Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
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| parasites of stray cats (felis domesticus l., 1758) on st. kitts, west indies. | during 2005-2006, 100 stray cats on st. kitts were examined using standard parasitological methods. eggs identified were those of hookworms (88%), trichuris spp. (71%), eucoleus aerophillus (16%), mammomonogamus spp. (45%), physaloptera spp. (18%), toxocara spp. (4%), platynosomum spp. (81%) and taeniids (30%). coccidian oocysts were found in 12% of the cats and ctenocephalides felis found on 26%. when the direct fecal smear, benchtop flotation, modified double centrifugation, fecal sedimentatio ... | 2010 | 20537465 |
| gastrointestinal and ectoparasites from urban stray dogs in fortaleza (brazil): high infection risk for humans? | dogs are important definite or reservoir hosts for zoonotic parasites. however, only few studies on the prevalence of intestinal parasites in urban areas in brazil are available. we performed a comprehensive study on parasites of stray dogs in a brazilian metropolitan area. we included 46 stray dogs caught in the urban areas of fortaleza (northeast brazil). after euthanization, dogs were autopsied. ectoparasites were collected, and the intestinal content of dogs were examined for the presence of ... | 2010 | 20532563 |
| the efficacy of neem seed extracts (tre-san, mitestop on a broad spectrum of pests and parasites. | the paper summarizes the acaricidal and insecticidal effects of a patented neem seed extract when diluted 1:10 with shampoo or 1:20, 1:30, 1:33, 1:40, respectively, 1:66 with tap water. it was shown that a broad range of pests and parasites, such as house dust mites, poultry mites, harvest mites, ixodes and rhipicephalus ticks, cat fleas (adults, larvae), bed bugs (all stages), head lice and mallophaga, cockroaches (genera blatta, blattella, gomphadorhina), raptor bugs (triatoma), and even food- ... | 2010 | 20461406 |
| evaluation of topical application of 10% imidacloprid-1% moxidectin to prevent bartonella henselae transmission from cat fleas. | to determine whether monthly topical administration of a combination of 10% imidacloprid and 1% moxidectin would lessen flea (ctenocephalides felis) transmission of bartonella henselae among cats. | 2010 | 20392182 |
| [evaluation of different meridic diets upon adult emergence of ctenocephalides felis felis (siphonaptera: pulicidae)]. | the objective of the present study was to evaluate the influence of meridic diets composed by blood from different animal species upon the adult emergence of ctenocephalides felis felis fleas. six artificial diets containing dried blood of cattle (standard), dogs, rabbit and chicken, combined with sand or sand/wheat bran were prepared. for each diet six samples containing ten c. f. felis eggs were evaluated. after 25 days of incubation, samples were assessed for adult emergence. the number of em ... | 2010 | 20385063 |
| ectoparasites of small ruminants in three selected agro-ecological sites of tigray region, ethiopia. | a study on ectoparasites of small ruminants in three selected agro-ecological sites of tigray region, ethiopia disclosed an overall prevalence of 55.5% and 58% in each examined 750 sheep and goats, respectively. in the sheep population, melophagus ovinus (19.1%), tick infestations (16%), damalinia ovis (15.3%), linognathus africanus (11.5%), and ctenocephalides felis (9%) were the major ectoparasites. the major ectoparasites identified in goats were tick infestations (29.7%), l. africanus (27.9% ... | 2010 | 20369295 |
| epidemiology of spotted fever group and typhus group rickettsial infection in the amazon basin of peru. | a seroprevalence study for igg antibodies against spotted fever group (sfgr) and typhus group (tgr) rickettsia among humans and domestic pets was conducted in the city of iquitos, located in the amazon basin of peru. of 1,195 human sera analyzed, 521 (43.6%) and 123 (10.3%) were positive for sfgr and tgr antibodies, respectively. district of residence and participant age were associated with antibody positivity for both groups, whereas rodent sightings in the home were associated with tgr antibo ... | 2010 | 20348519 |
| what's eating you? cat flea (ctenocephalides felis). | 2010 | 20184206 | |
| presence of bartonella species and rickettsia species dna in the blood, oral cavity, skin and claw beds of cats in the united states. | the purpose of this study was to determine the prevalence of bartonella species and rickettsia species dna in the blood, oral cavity, skin and claw beds of feral cats without evidence of skin disease that were housed in alabama (n = 24), florida (n = 27) and colorado (n = 32). samples were assessed by use of polymerase chain reaction assays. the bartonella species igg prevalence was also determined. while bartonella species dna was not amplified from any sample from colorado cats, it was commonl ... | 2009 | 20178489 |
| bartonellosis, an increasingly recognized zoonosis. | cat scratch disease is the most common zoonotic infection caused by bartonella bacteria. among the many mammals infected with bartonella spp., cats represent a large reservoir for human infection, as they are the main reservoir for bartonella henselae, bartonella clarridgeiae and bartonella koehlerae. bartonella spp. are vector-borne bacteria, and transmission of b. henselae by cat fleas occurs mainly through infected flea faeces, although new potential vectors (ticks and biting flies) have been ... | 2010 | 20148999 |
| acetylcholinesterases of the cat flea ctenocephalides felis: identification of two distinct genes and biochemical characterization of recombinant and in vivo enzyme activities. | acetylcholinesterase (ache, ec3.1.1.7.) is a prime target for insecticides and is the site of action of carbamate and organophosphate drugs used to combat the cat flea ctenocephalides felis. in this paper we report the identification and cdna cloning of two ache-encoding genes from the cat flea, cface1 and cface2. functional heterologous expression of the catalytic domains in pichia pastoris shows that both genes encode functional enzymes, cfache1 and cfache2. bioinformatical analysis of the pre ... | 2010 | 20096355 |
| [activity of neem extract on the embryonary development of ctenocephalides felis felis (bouché, 1835) (siphonaptera: pulicidae)]. | the present study had as objective to evaluate the activity of limonoid azadiractin, extracted of the seeds of the plant azadirachta indica, neem, on the embryonary development of ctenocephalides felis felis. a dog was sprayed with the formulation 10%, another dog was kept as control, without treatment. both had been infested weekly with 600 fleas, in the ratio of 1:1 between males and females. the deriving positions of the infestations had been incubate per seven days in assay pipes, and evalua ... | 2008 | 20059823 |
| molecular detection of hemoprotozoa and rickettsia species in arthropods collected from wild animals in the burgos province, spain. | limited information on the presence of bacterial and hematozoan infections in parasitic arthropods from spain is available. in an attempt to address this issue, the prevalence of theileria, babesia, hepatozoon, and rickettsia species was investigated by polymerase chain reaction plus sequencing. in a survey for zoonotic pathogens in ectoparasites, 42 wild animals (which included rodents, carnivores, sciuridae, and cervidae) were captured in burgos (spain). a total of 256 arthropods (including 10 ... | 2010 | 20055580 |
| effects of orally administered spinosad (comfortis) in dogs on adult and immature stages of the cat flea (ctenocephalides felis). | the efficacy of spinosad against adult fleas (ctenocephalides felis) on dogs was evaluated in three controlled, blinded studies. one study was conducted to determine speed of kill on experimentally infested dogs. two additional studies were designed to assess the efficacy of spinosad in preventing environmental contamination with flea eggs (usa study and eu study). an additional objective of the usa study was to assess the effects of skin and hair-coat debris from spinosad-treated dogs on eggs a ... | 2010 | 20045256 |
| [comparative efficacy of two topical formulations containing 10% fipronil on the control of ctenocephalides felis felis on cats]. | the goal of the present study was to evaluate the comparative efficacy of two topical formulations containing 10% fipronil on the control of ctenocephalides felis felis on cats. the trial was performed at the laboratory of experimental chemotherapy in veterinary parasitology from the department of animal parasitology of the institute of veterinary of the universidade federal rural do rio de janeiro. eighteen mixed-breed cats were divided in three groups of six animals each. one group remained wi ... | 2009 | 20040215 |
| [ectoparasites and intestinal helminths in felis catus domesticus from lages city, sc, brazil and social-economical and cultural aspects of owners of family pets]. | the purpose of this research was to determinate the prevalence of ectoparasites and gastrointestinal (gi) parasites in domiciliated cats, from central and peripheral region, of lages city, santa catarina state and also characterize the economic, social and cultural status of families' pet owners. from the period of december 2005 to december 2006, 600 questionnaires were distributed to pet owners of lages city and ectoparasites and faeces were collected. the prevalence of ectoparasites was 13.8% ... | 2009 | 20040205 |
| analysis of rickettsia typhi-infected and uninfected cat flea (ctenocephalides felis) midgut cdna libraries: deciphering molecular pathways involved in host response to r. typhi infection. | murine typhus is a flea-borne febrile illness that is caused by the obligate intracellular bacterium, rickettsia typhi. the cat flea, ctenocephalides felis, acquires r. typhi by imbibing a bloodmeal from a rickettsemic vertebrate host. to explore which transcripts are expressed in the midgut in response to challenge with r. typhi, cdna libraries of r. typhi-infected and uninfected midguts of c. felis were constructed. in this study, we examined midgut transcript levels for select c. felis serine ... | 2010 | 20017753 |
| discovery of ectoparasiticidal hydrazonotrifluoromethanesulfonanilides. | a series of hydrazonotrifluorosulfonanilide derivatives were synthesized and evaluated for in vitro activity against the ectoparasites ctenocephalides felis and rhipicephalus sanguineus. some compounds with excellent activity against tick were identified. | 2010 | 19962303 |
| bacterial communities associated with flea vectors of plague. | the microbial flora associated with fleas may affect their ability to transmit specific pathogens, including yersinia pestis, and also could be used to develop paratransgenesis-based approaches to interfere with transmission. to begin addressing this hypothesis, the microbial flora associated with the relatively efficient y. pestis vectors xenopsylla cheopis (rothschild) (siphonaptera: pulicidae) and oropsyllamontana (baker) (siphonaptera: ceratophyllidae), and the inefficient vector ctenocephal ... | 2009 | 19960708 |
| the antiparasitic isoxazoline a1443 is a potent blocker of insect ligand-gated chloride channels. | a structurally unique isoxazoline class compound, a1443, exhibits antiparasitic activity against cat fleas and dog ticks comparable to that of the commercial ectoparasiticide fipronil. this isoxazoline compound inhibits specific binding of the gamma-aminobutyric acid (gaba) receptor channel blocker [(3)h]4'-ethynyl-4-n-propylbicycloorthobenzoate (ebob) to housefly-head membranes, with an ic(50) value of 455pm. in contrast, the ic(50) value in rat-brain membranes is>10mum. to study the mode of ac ... | 2010 | 19944072 |
| detection and identification of bartonella sp. in fleas from carnivorous mammals in andalusia, spain. | a total of 559 fleas representing four species (pulex irritans, ctenocephalides felis, ctenocephalides canis and spilopsyllus cuniculi) collected on carnivores (five iberian lynx lynx pardinus, six european wildcat felis silvestris, 10 common genet genetta genetta, three eurasian badger meles meles, 22 red fox vulpes vulpes, 87 dogs and 23 cats) in andalusia, southern spain, were distributed in 156 pools of monospecific flea from each carnivore, and tested for bartonella infection in an assay ba ... | 2009 | 19941605 |
| fleatickrisk: a meteorological model developed to monitor and predict the activity and density of three tick species and the cat flea in europe. | mathematical modelling is quite a recent tool in epidemiology. geographical information system (gis) combined with remote sensing (data collection and analysis) provide valuable models, but the integration of climatologic models in parasitology and epidemiology is less common. the aim of our model, called "fleatickrisk", was to use meteorological data and forecasts to monitor the activity and density of some arthropods. our parasitological model uses the weather research and forecasting (wrf) me ... | 2009 | 19908193 |
| a survey of ectoparasitic arthropods on domestic animals in tak province, thailand. | in july 2008 a survey of ectoparasites on domestic animals was conducted in the royal thai army areas of operation along the thai-myanmar border, tak province, thailand. eleven different ectoparasites were collected: two species of hard ticks (ixodidae), three species of fleas (siphonaptera) and 6 species of sucking or chewing lice (2 species each in the suborders anoplura, ischnocera and amblycera) were collected. domestic dogs (canis lupusfamiliaris) (n = 94) were found infested with 2 species ... | 2009 | 19842427 |
| ectoparasite infestation on rural dogs in the municipality of são vicente férrer, pernambuco, northeastern brazil. | this article presents the results of a study on ectoparasites infesting rural dogs in pernambuco, northeastern brazil. forty-one dogs from a rural community of pernambuco were examined and 70.7% were infested by ectoparasites. the prevalence rates of infestation by ticks, fleas, and lice were 58.5, 43.9 and 22%, respectively. of 24 dogs parasitized by ticks, 15 were exclusively infested by rhipicephalus sanguineus (latreille) (32 females, 66 males, 9 nymphs; prevalence, 48.8%; mean intensity, 5. ... | 2009 | 19772781 |
| evaluation of the speed of kill of fleas and ticks with frontline top spot in dogs. | the speed of kill of a spot-on formulation of fipronil (frontline top spot, merial limited, duluth, ga) against adult cat fleas (ctenocephalides felis) and brown dog ticks (rhipicephalus sanguineus) was evaluated in dogs in a commercial laboratory setting. forty dogs were allocated to 20 replicates of two based on sex and pretreatment flea counts. within each replicate, dogs were randomly allocated to an untreated control group or to treatment with fipronil, administered topically as a spot-on p ... | 2001 | 19753710 |
| comparison of lufenuron and nitenpyram versus imidacloprid for integrated flea control. | a one-year field study was carried out in 45 households in cairns, north queensland to evaluate the efficacy of three topical or systemic treatment programs in controlling cat flea (ctenocephalidesfelis) infestations within the residence and on dogs and cats. homes were randomly assigned to one of three treatments. in the first group of homes, lufenuron was administered orally to all household pets according to label recommendations for the study duration, and nitenpyram was administered orally ... | 2001 | 19746650 |
| efficacy of a combination of a fipronil-(s)-methoprene spot-on formulation and a deltamethrin-impregnated collar in controlling fleas and sandflies on dogs. | this study investigated the use of two commercial products, a deltamethrin-impregnated collar and a fipronil-(s)-methoprene spot-on formulation, in combination to protect dogs against sandflies and fleas when they live in or travel to leishmaniasis-enzootic areas. interactions, tolerance, and efficacy were evaluated. the combination was well tolerated by the six treated dogs. the antifeeding effect on phlebotomus perniciosus ranged from 89.6% (day 1) to 99.51% (day 21) and exceeded 95% from day ... | 2009 | 19742450 |
| comparative in vivo adulticidal activity of a topical dinotefuran versus an imidacloprid-based formulation against cat fleas (ctenocephalides felis) on cats. | fleas cause significant discomfort to pet cats and distress to their owners and are also vectors of disease severe infestations can cause anemia or flea allergy dermatitis and can lead to infections with dipylidium caninum and bartonella henselae. rapid flea kill is an important feature of flea preventives. the efficacy of dinotefuran (vectra for cats and kittens, summit vetpharm) was compared with that of imidacloprid (advantage, bayer animal health) against ctenocephalides felis when applied t ... | 2009 | 19742443 |
| prevalence of flea infestation in dogs and cats in hungary combined with a survey of owner awareness. | a survey was conducted in order to gain current information on flea species (siphonaptera: pulicidae) infesting dogs and cats living in urban and rural areas of hungary, along with data on the factors that affect the presence, distribution and seasonality of infestation. in addition, owner awareness of flea infestation was evaluated. practitioners in 13 veterinary clinics were asked to examine all dogs and cats attending the clinic and to collect fleas, when present, on 2 days in each month from ... | 2009 | 19712149 |
| ectoparasites of dogs and cats in albania. | one hundred eighty-one dogs and 26 short-hair cats from suburban areas around tirana, albania were examined for ectoparasite infestation. the dogs were examined on several occasions from 2005 through 2009 representing three seasons: winter (december-february), spring (march-may), and summer (june-august); the cats were examined in late autumn (november). in addition, deep ear swab specimens of 30 dogs were examined for ear mites. the arthropod ectoparasite fauna of the dogs included two tick spe ... | 2009 | 19690887 |
| molecular investigation of hard ticks (acari: ixodidae) and fleas (siphonaptera: pulicidae) as potential vectors of rickettsial and mycoplasmal agents. | the aim of the present study was twofold. first, in general, to reveal new aspects of the potential vector role of ixodid ticks and fleas by screening large numbers of specimens with recently developed molecular biological methods. second, to evaluate the occurrence of vector-borne infectious agents in a geographical context. altogether 3442 unfed hard ticks (ixodes ricinus, dermacentor marginatus, d. reticulatus, haemaphysalis inermis, h. concinna, h. punctata) and 939 fleas of cats and dogs (c ... | 2010 | 19660880 |
| ecology of rickettsia felis: a review. | it has been two decades since the first description of rickettsia felis, and although a nearly cosmopolitan distribution is now apparent, much of the ecology of this unique microorganism remains unresolved. the cat flea, ctenocephalides felis, is currently the only known biological vector of r. felis; however, molecular evidence of r. felis in other species of fleas as well as in ticks and mites suggests a variety of arthropod hosts. studies examining the transmission of r. felis using colonized ... | 2009 | 19645274 |
| identification and characterization of two arginine kinases from the parasitic insect ctenocephalides felis. | arginine kinase (atp:l-arginine omega-n-phosphotransferase, ec2.7.3.3.; ak) is an enzyme crucial for the energy metabolism of insects and other invertebrates, that has known allergenic potential in humans and that has been proposed as a pesticidal drug target. here we report the identification, cdna cloning, genomic gene structure and functional expression of ak genes from ctenocephalides (c.) felis (cat flea). in contrast to other insect species investigated so far, c. felis possesses two ak ge ... | 2009 | 19595766 |
| overview of flea allergy dermatitis. | flea allergy dermatitis, or flea-bite hypersensitivity, is the most common small animal dermatologic condition. in some regions of the world, it is the most commonly seen canine disease. this disease does not exist in locations that are inhospitable to fleas, such as those at elevations above 1500 ft or with low humidity (e.g., the desert).although there are more than 2000 documented species and subspecies of fleas, the cat flea (ctenocephalides felis felis) is the species most frequently found ... | 2009 | 19517416 |
| occurrence of rickettsia felis in dog and cat fleas (ctenocephalides felis) from italy. | abstract : rickettsia felis is an obligate intracellular bacterium belonging to the spotted fever group, suspected to cause a murine typhus-like illness in humans, with a cosmopolitan distribution. this study was designed to estimate presence and occurrence of this pathogen in fleas collected from dogs and cats in different areas of italy. two species of fleas were identified, ctenocephalides felis (80.3%) and ctenocephalides canis (19.7%).overall, 320 fleas (257 c. felis and 63 c. canis) collec ... | 2009 | 19426447 |
| first detection of rickettsia felis in ctenocephalides felis fleas from italy. | 2009 | 19416289 | |
| [fleas (siphonaptera): a new old infestant in urban environment. analysis of the cases verified in the south piedmont in the years 2005-2008]. | in the present study, ten cases of human and environmental infestation, observed between 2005 and 2008 in the southern part of piedmont, are reported. the infestation were caused by fleas and in particular by ctenocephalides felis. the importance of human pulicasis transmitted by animals you have with (cats) and related risks to human health is inderlined. in the past pulicasis, mainly due to pulex irritans, was related to poor hygienic conditions. on the contrary nowadays, pulicasis in urban ha ... | 2009 | 19385329 |
| rickettsia rickettsii, rickettsia felis and rickettsia sp. twkm03 infecting rhipicephalus sanguineus and ctenocephalides felis collected from dogs in a brazilian spotted fever focus in the state of rio de janeiro/brazil. | 2009 | 19298400 | |
| infection of the cat flea, ctenocephalides felis (bouché) by neoaplectana carpocapsae weiser. | infection of cat flea, ctenocephalides felis, larvae by the entomophilic nematode neoaplectana carpocapsae was accomplished in the laboratory. the breton strain of n. carpocapsae provided higher larval mortality at lower dosages than did the dd-136 strain. adult nematodes were evident in the insect hemocoel after 48 h; however, no infective third-stage larvae were produced. larval flea infection increased with an increase in the moisture content of sand from 2% to 7% and of sandy clay from 7% to ... | 1982 | 19295728 |
| transmission of feline calicivirus via the cat flea (ctenocephalides felis). | in this study, a possible role of the cat flea (ctenocephalides felis) in transmitting feline calicivirus (fcv) was examined. fleas were fed via artificial membranes with fcv-spiked bovine blood, free of anti-fcv antibodies. flea feces were collected daily for 10 days and incubated at room temperature. infectivity of the feces was tested in vitro using crandell-reese feline kidney (crfk) cells. fcv remained infectious for 8 days. these flea feces were also used to oronasally inoculate four speci ... | 2009 | 19277714 |
| [residual activity in vitro of treated dog's hair coat with dinotefuran on larvae and adults of ctenocephalides felis felis (bouché, 1835) (siphonaptera: pulicidae)]. | the aim of this study was to evaluate the residual activity of treated dog's hair coat with dinotefuran on larvae and adults of ctenocephalides felis felis. three female beagle dogs were used. one female dog was treated with 0.834% dinotefuran spray, the second was treated with 30% dinotefuran strip-on and the third was not treated. some areas of dog's hair were clipped on days 2, 9, 16, 23, 30, 37 and 44 after treatment. for the evaluation of adulticidal and larvicidal activities, flea adults a ... | 2008 | 19265577 |
| [characterization of ectoparasites on dogs in the nucleus of urban expansion of juiz de fora, minas gerais, brazil]. | the present work studied the characterization of ectoparasites on dogs in the nucleus of urban expansion of juiz de fora, minas gerais, brazil. the collections were conducted from july to september 2003, examining 101 dogs of no defined breed. the ectoparasites were collected through visual and tactile inspection of the animals' bodies, and were then placed in bottles with 70 degrees gl ethanol and identified under a stereomicroscope. specimens were clarified and mounted on slides for analysis u ... | 2008 | 19265575 |
| rdl gene polymorphism and sequence analysis and relation to in vivo fipronil susceptibility in strains of the cat flea. | the gamma-amino butyric acid (gaba)-gated chloride ion channel in the insect central nervous system is the target of cyclodiene and phenylpyrazole insecticides. resistance to dieldrin has been reported in several insect species and was associated with a point mutation (ala285 to ser substitution) in the m2 transmembrane domain of the gaba-gated chloride ion channel (the resistant to dieldrin [rdl] gene). a partial rdl gene sequence was reported previously in specimens of the cat flea, ctenocepha ... | 2009 | 19253656 |
| rickettsia felis in cat fleas in taiwan. | we describe the first detection of rickettsia felis in cat fleas (ctenocephalides felis) in taiwan. natural infections of r. felis in cat fleas were isolated and confirmed using polymerase chain reaction (pcr) and an immunofluorescence assay. the infection rate in individual fleas and the minimum infection rate in pooled fleas detected by the pcr method were found to be 18.8% (13/69) and 8.2% (8/97), respectively. partial sequences of the plasmid prf, 17-kda antigen, and outer membrane protein a ... | 2009 | 19125661 |
| virulence of metarhizium anisopliae and beauveria bassiana to ctenocephalides felis felis. | ctenocephalides felis felis is a flea species that parasitizes dogs and cats. the current study verified the in vitro virulence of the entomopathogenic fungi metarhizium anisopliae and beauveria bassiana to eggs and adults of c. felis felis. the fungal isolates were cultivated on rice grains in plastic bags. conidial suspensions were then prepared by immersing the grains in tween 80 aqueous solution (0.01%). eggs and adults of c. felis felis were obtained from a laboratory colony. experiments we ... | 2008 | 19120257 |
| the prevalence of bartonella, hemoplasma, and rickettsia felis infections in domestic cats and in cat fleas in ontario. | the prevalence of persistent bacteremic bartonella spp. and hemoplasma infections was determined in healthy pet cats in ontario. blood samples from healthy cats sent to a diagnostic laboratory for routine health assessment over the course of 1 y were tested for bartonella spp. using both polymerase chain reaction (pcr) and blood culture, and for the presence of hemoplasma by pcr. the overall prevalence of bartonella spp. by pcr and by culture combined was 4.3% (28/646) [3.7% (24/646) bartonella ... | 2008 | 19086373 |
| ctenocephalides felis in dogs and cats in tandojam region. | one hundred dogs and equal number of cats was examined in tandojam town and its surroundings, with an object to record the flea infestation in these hosts. during this study, only one species of flea, i.e., ctenocephalides felis was founding infesting both host animals. pooled compilation of data revealed that 34% of dogs and 28% cats were infested. however, categorical compilation of results showed that in case of dogs, the higher rate of infestation (50%) was recorded in females than in males ... | 2007 | 19070134 |
| [interhost migration behaviour of ctenocephalides felis on cats and in their resting sites]. | the cat flea, ctenocephalides felis, maintains its life cycle indoors feeding on pets. however, it must be emphasized that only about 1-5% of the flea population is on their hosts, the remaining 95-99% (eggs, larvae and pupae) are spread around the habitat. the eggs and dried blood feces fall from the coat of the animal on its sleeping, resting or feeding sites. in the first study, 100 pupae of the cat flea were applied on the resting sites of 6 cats' (3 female, 3 male), each in a separate box. ... | 2008 | 19066771 |
| seasonality and prevalence rates of steinina sp. (eugregarinorida: actinocephalidae) in ctenocephalides felis felis (siphonaptera: pulicidae) from dogs captured in belo horizonte, minas gerais, brazil. | in total, 1500 specimens (448 males and 1052 females) of the flea ctenocephalides felis felis (bouché (siphonaptera: pulicidae) were collected over a period of a year from 150 dogs captured by the centro de controle de zoonoses de belo horizonte, minas gerais, brazil. microscopic examination of the dissected fleas revealed that 180 fleas were infected with a species of gregarine that was subsequently identified as a member of the genus steinina. the relative abundances, prevalence rates, and sea ... | 2008 | 19058639 |
| comparative efficacy of imidacloprid, selamectin, fipronil-(s)-methoprene, and metaflumizone against cats experimentally infested with ctenocephalides felis. | four active ingredients--imidacloprid selamectin, fipronil-(s)-methoprene, and metaflumizone--were tested to assess the speed of flea kill against existing flea infestations and subsequent reinfestations. thirty flea-infested cats were allocated to four treatment groups and one untreated control group. flea counts were performed 6, 18, and 48 hours after treatment (day 0) and 2, 4, and 24 hours after weekly flea reinfestations. cats were also reinfested with fleas after the 6- and 18-hour counts ... | 2008 | 19003778 |
| ectoparasites and associated pathogens of free-roaming and captive animals in zoos of south carolina. | a survey of ectoparasites and their associated pathogens was conducted in two south carolina zoos, from 2004 to 2007. dead, wild birds and mammals, as well as captive animals examined during routine veterinary checks constituted the study populations. ectoparasites were tested for species of anaplasma, bartonella, coxiella burnetii, ehrlichia, rickettsia, and trypanosoma. forty-six species of ectoparasites were collected from 133 free-roaming and captive hosts and their associated nesting and be ... | 2009 | 18973443 |
| hyaluronidase of bloodsucking insects and its enhancing effect on leishmania infection in mice. | salivary hyaluronidases have been described in a few bloodsucking arthropods. however, very little is known about the presence of this enzyme in various bloodsucking insects and no data are available on its effect on transmitted microorganisms. here, we studied hyaluronidase activity in thirteen bloodsucking insects belonging to four different orders. in addition, we assessed the effect of hyaluronidase coinoculation on the outcome of leishmania major infection in balb/c mice. | 2008 | 18820742 |
| rickettsia felis in fleas, germany. | among 310 fleas collected from dogs and cats in germany, rickettsia felis was detected in all specimens (34) of archaeopsylla erinacei (hedgehog flea) and in 9% (24/226) of ctenocephalides felis felis (cat flea). r. helvetica was detected in 1 ceratophyllus gallinae (hen flea). | 2008 | 18680660 |
| prevalence and infection load dynamics of rickettsia felis in actively feeding cat fleas. | rickettsia felis is a flea-associated rickettsial pathogen recurrently identified in both colonized and wild-caught cat fleas, ctenocephalides felis. we hypothesized that within colonized fleas, the intimate relationship between r. felis and c. felis allows for the coordination of rickettsial replication and metabolically active periods during flea bloodmeal acquisition and oogenesis. | 2008 | 18665265 |
| flea blood feeding patterns in cats treated with oral nitenpyram and the topical insecticides imidacloprid, fipronil and selamectin. | a series of studies was conducted to determine the effect of systemically and topically active insecticides on blood consumption by fleas (ctenocephalides felis). infestations were conducted by placing fleas into plexi-glass chambers attached to the lateral rib cage of domestic short-hair cats. after pre-defined periods, fleas and flea feces were extracted using vacuum aspiration and spectrophotometrically analyzed for hemoglobin using drabkin's reagent. to determine how rapidly nitenpyram kills ... | 2008 | 18619735 |
| transmission of bartonella henselae by ixodes ricinus. | bartonella spp. are facultative intracellular bacteria associated with several emerging diseases in humans and animals. b. henselae causes cat-scratch disease and is increasingly associated with several other syndromes, particularly ocular infections and endocarditis. cats are the main reservoir for b. henselae and the bacteria are transmitted to cats by cat fleas. however, new potential vectors are suspected of transmitting b. henselae, in particular, ixodes ricinus, the most abundant ixodid ti ... | 2008 | 18598628 |
| rickettsia felis as emergent global threat for humans. | rickettsia felis is an emergent pathogen belonging to transitional group rickettsiae. first described in 1990, r. felis infections have been reported to occur worldwide in fleas, mammals, and humans. because clinical signs of the illness are similar to those of murine typhus and other febrile illnesses such as dengue, the infection in humans is likely underestimated. r. felis has been found throughout the world in several types of ectoparasites; cat fleas appear to be the most common vectors. r. ... | 2008 | 18598619 |
| a comparative evaluation of the speed of kill and duration of efficacy against weekly infestations with fleas on cats treated with fipronil-(s)-methoprene or metaflumizone. | spot-on formulations of metaflumizone and a combination of fipronil-(s)-methoprene were evaluated in adult cats to determine the duration of 24- and 48-hour efficacy and short-term speed of kill against adult cat fleas, ctenocephalides felis felis. speed of kill efficacies (at 12, 18, 24, and 48 hours) were assessed against existing (day -1) infestations and against infestations at day 7, and efficacy was assessed 24 and 48 hours after weekly flea infestations through day 42. cats treated with f ... | 2008 | 18597248 |
| monitoring of basophil sensitization to antigens of the cat flea (ctenocephalides felis felis): a new tool for the diagnosis of feline flea bite hypersensitivity? | suitability of blood basophils for in vitro diagnosis of flea allergy dermatitis (fad) or flea bite hypersensitivity was studied in cats. a functional in vitro test (fit) for sensitized type i allergic effector cells was used to evaluate the degree and kinetics of in vivo basophil sensitization against flea antigens in cats under long-term flea exposure. fit results were compared with intradermal (idt) and serological testing. before, during, and after weekly repeated exposure to ctenocephalides ... | 2008 | 18594863 |
| early-phase transmission of yersinia pestis by cat fleas (ctenocephalides felis) and their potential role as vectors in a plague-endemic region of uganda. | in recent decades, the majority of human plague cases (caused by yersinia pestis) have been reported from africa. in northwest uganda, which has had recent plague outbreaks, cat fleas (ctenocephalides felis) have been reported as the most common fleas in the home environment, which is suspected to be a major exposure site for human plague in this country. in the past, c. felis has been viewed as only a nuisance-biting insect because limited laboratory studies suggested it is incapable of transmi ... | 2008 | 18541775 |
| molecular cloning, partial genomic structure and functional characterization of succinic semialdehyde dehydrogenase genes from the parasitic insects lucilia cuprina and ctenocephalides felis. | the enzyme succinic semialdehyde dehydrogenase (ssadh; ec1.2.1.24) is a component of the gamma-aminobutyric acid degradation pathway in mammals and is essential for development and function of the nervous system. here we report the identification, cdna cloning and functional expression of ssadh from the parasitic insects lucilia cuprina and ctenocephalides felis. the recombinant proteins possess potent nad+-dependent ssadh activity, while their catalytic efficiency for other aldehyde substrates ... | 2008 | 18477242 |
| molecular identification of rickettsia felis in ticks and fleas from an endemic area for brazilian spotted fever. | rickettsioses are arthropod-borne diseases caused by parasites from the order rickettsiales. the most prevalent rickettsial disease in brazil is brazilian spotted fever (bsf). this work intends the molecular detection of those agents in ectoparasites from an endemic area of bsf in the state of espírito santo. a total of 502 ectoparasites, among them amblyomma cajennense, amblyomma dubitatum (a. cooperi), riphicephalus sanguineus, anocentor nitens and ctenocephalides felis, was collected from dom ... | 2008 | 18425272 |
| efficacy of pyriprole topical solution against the cat flea, ctenocephalides felis, on dogs. | three studies evaluating various aspects of the performance of pyriprole against the cat flea, ctenocephalides felis, on dogs demonstrated that 12.5% pyriprole applied as a spot-on provides rapid, long-lasting efficacy against adult cat fleas, even under severe flea challenge. speed of kill data indicate treatment with this product can interrupt an already established adult flea infestation, whereas monthly treatment can prevent reinfestation. pyriprole disrupts the flea life cycle by killing ad ... | 2008 | 18415942 |
| identification of rickettsia felis in the salivary glands of cat fleas. | rickettsia felis, a flea-associated rickettsial pathogen, has been identified in many tissues, including the digestive and reproductive tissues, within the cat flea, ctenocephalides felis. we utilized transmission electron microscopy and polymerase chain reaction to identify r. felis in the salivary glands of fed fleas and further define the distribution of r. felis within the arthropod host. we identified rickettsia-like organisms in salivary glands using electron microscopy. sequence analysis ... | 2008 | 18399779 |
| efficacy of imidacloprid 10%/moxidectin 1% (advocate/advantage multi) against fleas (ctenocephalides felis felis) on ferrets (mustela putorius furo). | ferrets (mustela putorius furo) are becoming increasingly popular as pets and are kept in households with other pet animals such as dogs and cats, from which they may catch flea infestations with the predominant flea species ctenocephalides felis. in this study, the efficacy of imidacloprid/moxidectin spot-on (advocate/advantage multi) was investigated in the therapy and prevention of flea infestation in ferrets. sixteen adult ferrets of varying weights and ages and of both sexes were included. ... | 2008 | 18386063 |
| rickettsia felis in ctenocephalides felis from argentina. | this article reports on the detection of rickettsia felis in argentina in ctenocephalides felis fleas collected from a dog and analyzed by polymerase chain reaction (pcr) amplification and dna sequencing. | 2008 | 18279005 |
| murine typhus: an unrecognized suburban vectorborne disease. | murine typhus, an acute febrile illness caused by rickettsia typhi, is distributed worldwide. mainly transmitted by the fleas of rodents, it is associated with cities and ports where urban rats (rattus rattus and rattus norvegicus) are abundant. in the united states, cases are concentrated in suburban areas of texas and california. contrary to the classic rat-flea-rat cycle, the most important reservoirs of infection in these areas are opossums and cats. the cat flea, ctenocephalides felis, has ... | 2008 | 18260783 |
| efficacy of selamectin and fipronil-(s)-methoprene spot-on formulations applied to cats against adult cat fleas (ctenocephalides felis), flea eggs, and adult flea emergence. | a study was conducted to evaluate the efficacy of selamectin and fipronil-(s)-methoprene against adult cat fleas (ctenocephalides felis), flea egg production, and the viability of flea eggs collected from treated cats. cats were infested with approximately 50 adult fleas 2 days before treatment and weekly thereafter; flea eggs were collected and counted on days 0, 1, 2, and 3 and 48 and 72 hours after each weekly flea infestation. live fleas were collected approximately 72 hours after treatment ... | 2007 | 18183544 |
| rickettsia infection in five areas of the state of são paulo, brazil. | this study investigated rickettsial infection in animals, humans, ticks, and fleas collected in five areas of the state of são paulo. eight flea species (adoratopsylla antiquorum antiquorum, ctenocephalides felis felis, polygenis atopus, polygenis rimatus, polygenis roberti roberti, polygenis tripus, rhopalopsyllus lugubris, and rhopalopsyllus lutzi lutzi), and five tick species (amblyomma aureolatum, amblyomma cajennense, amblyomma dubitatum, ixodes loricatus, and rhipicephalus sanguineus) were ... | 2007 | 18094887 |
| [development of the fungi metarhizium anisopliae (metschnikoff, 1879) sorokin, 1883 and beauveria bassiana (balsamo) vuillemin, 1912 on the ctenophephalides felis felis (bouché, 1835)]. | the flea ctenocephalides felis felis is a parasite that causes allergic dermatitis and also may transmit etiologic agents to domestic animals and humans. this study investigated by scanning electron microscopy the development of entomopathogenic fungi on flea cuticle. fleas were exposed to conidia (10(8) ml(-1)) of metarhizium anisopliae (isolate 959) or beauveria bassiana (isolate 986). following standard protocols for electron microscopy, the specimens were prepared 2, 15, 26 and 96 h after in ... | 2007 | 18078609 |
| the effect of water and shampooing on the efficacy of a pyriprole 12.5% topical solution against brown dog tick (rhipicephalus sanguineus) and cat flea (ctenocephalides felis) infestations on dogs. | the efficacy of a single treatment with a 12.5% pyriprole spot-on formulation against induced infestations with r. sanguineus ticks and cat fleas (c. felis) as well as its persistence after repeated washing and shampooing was investigated in four separate studies. in a first study on r. sanguineus involving 32 beagle dogs, the efficacy at various time-points during the 30 days that followed treatment assessed 48 h after re-infestation ranged from 100% to 99.3%. no engorged ticks, alive or dead, ... | 2008 | 18061355 |
| comparative microbiota of rickettsia felis-uninfected and -infected colonized cat fleas, ctenocephalides felis. | fleas serve as arthropod vectors for several emerging and re-emerging infectious disease causing agents including, rickettsia felis. although the prevalence of r. felis infection in colonies of fleas has been examined, the influence of the r. felis infection on flea microbiota has not been investigated. we identified three colonies of cat fleas, ctenocephalides felis, with varying prevalence of r. felis infection (louisiana state university (lsu), 93.8%; professional laboratory and research serv ... | 2007 | 18043659 |
| fleas parasitizing domestic dogs in spain. | in addition to their importance to veterinary clinical practice as ectoparasites, fleas of domestic dogs are of special concern because they can be vectors of disease, including zoonoses. flea assemblages parasitizing domestic dogs usually comprise several flea species whose distribution is determined by factors acting at several scales. knowledge of these factors will aid in assessment of the distribution patterns of flea parasitism, and is an important tool in developing control strategies and ... | 2008 | 18031934 |
| efficacy of a topically applied spot-on formulation of a novel insecticide, metaflumizone, applied to cats against a flea strain (ks1) with documented reduced susceptibility to various insecticides. | a spot-on metaflumizone formulation was evaluated in adult domestic short hair cats to determine its adultidical efficacy against a flea strain that has reduced susceptibility to a number of insecticides. eight cats served as non-treated controls, eight cats were treated with a metaflumizone formulation at 0.2 ml/kg (40 mg metaflumizone/kg) and eight cats were treated with fipronil 10% w/v-(s)-methoprene 12%w/v at 0.075 ml/kg (7.5-7.7 mg fipronil/kg:9.0-9.2 mg (s)-methoprene/kg). on days -1, 7, ... | 2008 | 18022186 |
| parasiticidal 2-alkoxy- and 2-aryloxyiminoalkyl trifluoromethanesulfonanilides. | a series of novel 2-alkoxy- and 2-aryloxyiminoalkyl trifluoromethanesulfonanilide derivatives have shown significant in vitro parasiticidal activity against the ectoparasites ctenocephalides felis and rhipicephalus sanguineus. a number of these compounds also displayed significant in vitro endoparasite activity against the nematode haemonchus contortus. | 2008 | 18006308 |
| phylogenetic analysis of bartonella detected in rodent fleas in yunnan, china. | previous studies have demonstrated a diversity of bartonella spp. in rodent populations in yunnan province, china. although bartonella spp. have been isolated from cat fleas and cattle ticks collected from their animal hosts, little is known about bartonella carried by rodent fleas. in this study, bartonella dna was detected by polymerase chain reaction (pcr) in two of five species of rodent fleas. these included xenopsylla cheopis and ctenophthalmus lushuiensis, which were collected from rattus ... | 2007 | 17984255 |
| preliminary studies on the effectiveness of the novel pulicide, spinosad, for the treatment and control of fleas on dogs. | spinosad is a novel mode-of-action insecticide produced from a family of natural products derived from fermentation of the actinomycete, saccharopolyspora spinosa. separate studies were undertaken to determine the minimum effective dose of spinosad given orally for the treatment of experimentally induced flea infestations (ctenocephalides felis) on dogs, and to assess any potential impacts of feeding canned or dry food at the time of dosing. both were randomized block (blocked by gender and pre- ... | 2007 | 17980490 |
| repetitive sequences in the its1 region of the ribosomal dna of tunga penetrans and other flea species (insecta, siphonaptera). | different tunga penetrans isolates from various hosts obtained from south america (fortaleza. brazil) have been studied by nucleotide sequence comparison of the first and the second internal transcribed spacer (its1, its2) of the ribosomal deoxyribonucleic acid (rdna) and part of the mitochondrial 16s rdna. results show no significant host-dependent sequence differences. no indication for intraindividual and intraspecific polymorphisms could be detected. comparing the its1 spacer region of t. pe ... | 2008 | 17952470 |
| efficacy of a novel formulation of metaflumizone for the control of fleas (ctenocephalides felis) on cats. | a novel spot-on formulation containing metaflumizone (promeris for cats, fort dodge animal health, overland park, ks) was evaluated in five laboratory studies to determine the duration of residual efficacy in cats against fleas after a single spot treatment. in each study, eight domestic shorthair cats were randomly allocated to each treatment group and individually housed. one group in each study remained non-treated. in one study, an additional group of eight cats was treated with a placebo fo ... | 2007 | 17931782 |
| dose determination of a novel formulation of metaflumizone plus amitraz for control of cat fleas (ctenocephalides felis felis) and brown dog ticks (rhipicephalus sanguineus) on dogs. | a novel spot-on formulation containing metaflumizone and amitraz (promeris/promeris duo for dogs, fort dodge animal health, overland park, ks) was evaluated in a laboratory study to determine the appropriate dose for efficacy against fleas and ticks on dogs for 1 month. thirty-six beagles were randomly allocated to six equal groups and individually housed. one group remained nontreated. another was treated with a placebo formulation (solvents with no active ingredients). three groups of dogs wer ... | 2007 | 17931781 |
| confirmation of the efficacy of a novel formulation of metaflumizone plus amitraz for the treatment and control of fleas and ticks on dogs. | a novel spot-on formulation containing metaflumizone plus amitraz (promeris/promeris duo for dogs, fort dodge animal health, overland park, ks) was evaluated in four laboratory studies to confirm efficacy against fleas and ticks on dogs for 1 month. three different strains of cat flea (ctenocephalides felis felis) and four tick species were used. rhipicephalus sanguineus and dermacentor variabilis were evaluated concurrently in two studies and ixodes scapularis and amblyomma americanum in one st ... | 2007 | 17923330 |
| efficacy of a topically applied formulation of metaflumizone on cats against the adult cat flea, flea egg production and hatch, and adult flea emergence. | a spot-on metaflumizone formulation was evaluated to determine its adulticidal efficacy, effect upon egg production, and ovicidal activity when applied to flea infested cats. eight male and eight female adult domestic shorthair cats were randomly assigned to either serve as non-treated controls or were treated topically with a minimum of 40mg/kg metaflumizone in single spot-on day 0. on days -2, 7, 14, 21, 28, 35, 42, 49, and 56, each cat was infested with approximately 100 unfed cat fleas, cten ... | 2007 | 17919817 |
| a survey of fleas on dogs in southern italy. | a survey aimed at studying the presence and distribution of fleas on dogs was conducted in an area of southern italy. between february 2005 and 2006, dogs were examined for fleas at four private veterinary clinics, with a twice-weekly frequency. fleas were detected on 246 (17.9%) out of the 1376 tested dogs. a total of 960 fleas were sampled and two species were identified, namely ctenocephalides felis felis (16.3% of the tested dogs) and ctenocephalides canis (1.5% of the tested dogs). the resu ... | 2007 | 17683867 |
| real-time pcr investigation of potential vectors, reservoirs, and shedding patterns of feline hemotropic mycoplasmas. | three hemotropic mycoplasmas have been identified in pet cats: mycoplasma haemofelis, "candidatus mycoplasma haemominutum," and "candidatus mycoplasma turicensis." the way in which these agents are transmitted is largely unknown. thus, this study aimed to investigate fleas, ticks, and rodents as well as saliva and feces from infected cats for the presence of hemotropic mycoplasmas, to gain insight into potential transmission routes for these agents. dna was extracted from arthropods and from rod ... | 2007 | 17468284 |
| an insight into the sialome of the oriental rat flea, xenopsylla cheopis (rots). | the salivary glands of hematophagous animals contain a complex cocktail that interferes with the host hemostasis and inflammation pathways, thus increasing feeding success. fleas represent a relatively recent group of insects that evolved hematophagy independently of other insect orders. | 2007 | 17437641 |
| survey of flea infestation in dogs and cats in the united kingdom during 2005. | during 2005, 31 uk veterinary practices participated in a survey of flea infestation, during which 2653 dogs and 1508 cats were examined for evidence of flea infestation and skin disease compatible with flea allergy dermatitis (fad). the prevalence of flea infestation in the cats was 21.09 per cent, significantly (p<0.001) higher than in the dogs (6.82 per cent). the prevalence of skin lesions compatible with fad in the cats (8.02 per cent) was also significantly (p<0.001) higher than in the dog ... | 2007 | 17435095 |
| prevalence of rickettsia felis dna in the blood of cats and their fleas in the united states. | rickettsia felis is associated with fever, headache, myalgia, and macular rash in some infected humans and has been detected in the cat flea (ctenocephalides felis) in many countries around the world. while some naturally exposed cats have been assessed for antibodies against r felis, to our knowledge, no one has reported use of polymerase chain reaction (pcr) to attempt to amplify r felis dna from client-owned cats and the fleas collected from them. in this study, we assayed 92 pairs of cat blo ... | 2007 | 17276123 |
| spotted fever rickettsioses in southern and eastern europe. | mediterranean spotted fever due to rickettsia conorii conorii was thought, for many years, to be the only tick-borne rickettsial disease prevalent in southern and eastern europe. however, in recent years, six more species or subspecies within the spotted fever group of the genus rickettsia have been described as emerging pathogens in this part of the world. tick-borne agents include rickettsia conorii israelensis, rickettsia conorii caspia, rickettsia aeschlimannii, rickettsia slovaca, rickettsi ... | 2007 | 17266709 |
| bartonella infections in fleas (siphonaptera: pulicidae) and lack of bartonellae in ticks (acari: ixodidae) from hungary. | fleas (95 pulex irritans, 50 ctenocephalides felis, 45 ctenocephalides canis) and ixodid ticks (223 ixodes ricinus, 231 dermacentor reticulatus, 204 haemaphysalis concinna) were collected in hungary and tested, in assays based on pcr, for bartonella infection. low percentages of p. irritans (4.2%) and c. felis (4.0%) were found to be infected. the groel sequences of the four isolates from p. irritans were different from all the homologous sequences for bartonellae previously stored in genbank bu ... | 2006 | 17252927 |
| discovery of (z)-2-phenyl-3-(1h-pyrrol-2-yl)acrylonitrile derivatives active against haemonchus contortus and ctenocephalides felis (cat flea). | a series of 2-phenyl-3-(1h-pyrrol-2-yl)acrylonitrile derivatives were synthesized and evaluated for in vitro activity against the endoparasite haemonchus contortus and the ectoparasite ctenocephalides felis. some compounds had significant in vitro activity against these parasites. | 2007 | 17150358 |
| bartonella infection in domestic cats and wild felids. | bartonella are vector-borne, fastidious gram-negative bacteria causing persistent bacteremia in their reservoir hosts. felids represent a major reservoir for several bartonella species. domestic cats are the main reservoir of b. henselae, the agent of cat-scratch disease. prevalence of infection is highest in warm and humid climates that are optimal for the survival of cat fleas, as fleas are essential for the transmission of the infection. flea feces are the likely infectious substrate. prevale ... | 2006 | 17114749 |
| prevalence of rickettsia felis in the fleas ctenocephalides felis felis and ctenocephalides canis from two indian villages in sao paulo municipality, brazil. | we evaluated the presence of rickettsia infection among fleas collected on domestic dogs in two guarani indian communities in the suburban area of são paulo municipality, brazil. a total of 114 ctenocephalides felis felis and 47 ctenocephalides canis were collected from 40 dogs. a total of 41 c. felis felis (36.0%) and 9 c. canis (19.1%) fleas yielded expected bands by pcr, which were all shown by dna sequencing to be indentical to the corresponding sequence of a fragment of the rickettsia felis ... | 2006 | 17114741 |
| incidence and distribution pattern of rickettsia felis in peridomestic fleas from andalusia, southeast spain. | the presence of rickettsia felis was investigated in three species of pulicid fleas (ctenocephalides felis, ctenocephalides canis and pulex irritans) collected in 38 locales in andalusia (spain) over the period 1999-2004. amplification of a fragment of ompb gene was positive in 54.17 % of lots of ct. felis. the identity of the pcr bands was confirmed as r. felis by sequence data obtained directly from the pcr amplicon. no rickettsia was found in ct. canis nor p. irritans. | 2006 | 17114737 |
| prevalence of rickettsia felis in ctenocephalides felis and ctenocephalides canis from uruguay. | our aim was to determine the presence of rickettsia spp. in 66 fleas from uruguay. rickettsial dna was amplified using glta and ompb pcr primers. rickettsia spp. were found in 41% of the fleas (25 ctenocephalides felis and 2 ctenocephlides canis). sequences resulted in the identification of rickettsia felis and four genotypes closely related to this species (rickettsia sp. twkm03, california 2, hf187, and rf2125). the presence of r. felis in fleas from uruguay in was demonstrated. this is the se ... | 2006 | 17114726 |
| prevalence of rickettsia felis-like and bartonella spp. in ctenocephalides felis and ctenocephalides canis from la rioja (northern spain). | our aim was to determine the presence of rickettsia spp. and bartonella spp. in ctenocephalides felis and ctenocephalides canis from la rioja (spain). a total of 88 specimens were tested by polymerase chain reaction (pcr) using glta and ompb genes as targets for rickettsia spp., and 16s rrna and ribc genes for bartonella spp. rickettsia felis-like (28.4%), bartonella clarridgeiae (6.8%), and bartonella henselae (3.4%) were detected in ctenocephalides spp. other bartonella sp. different from b. c ... | 2006 | 17114721 |
| arthropod-borne diseases in homeless. | homeless people are particularly exposed to ectoparasite. the living conditions and the crowded shelters provide ideal conditions for the spread of lice, fleas, ticks, and mites. body lice have long been recognized as human parasites and although typically prevalent in rural communities in upland areas of countries close to the equator, it is now increasingly encountered in developed countries especially in homeless people or inner city economically deprived population. fleas are widespread but ... | 2006 | 17114713 |
| endosymbionts of ctenocephalides felis felis (siphonaptera: pulicidae) obtained from dogs captured in belo horizonte, minas gerais, brazil. | specimens of fleas ctenocephalides felis felis (1052 female symbol/448 male symbol), obtained from 150 dogs in centro de controle de zoonoses de belo horizonte, minas gerais, brazil, were dissected and examined for endosymbionts. three protozoan, nolleria pulicis, a gregarine (actinocephalidae) and leptomonas sp., together with one cestode, dipylidium caninum were identified. infections by n. pulicis and leptomonas sp. occurred mainly in the warm-rainy period. the prevalence and distribution of ... | 2007 | 17113100 |
| notes on some ectoparasites received by the medical entomology unit, institute for medical research. | there were a spate of recent complaints of insect bites and the entomological specimens received from various sources were identified to be those of cat flea (ctenocephalides felis) and rat flea (xenopsylla cheopis), the tropical bed-bug (cimex hemipterus) and the dog louse (heterodoxus spiniger). only the fleas and the bed-bug are known to attack humans. | 2006 | 17041562 |
| comparison of the activity of selamectin, imidacloprid and fipronil for the treatment of cats infested experimentally with ctenocephalides felis felis and ctenocephalides felis strongylus. | twenty adult, domestic short hair cats were randomly allocated into four groups of five cats and housed in separated cages. each cat was infested with 25 fleas ctenocephalides felis felis and 25 ctenocephalides felis strongylus and 2 days later (day 0) the cats in group 1, 2 and 3 received a spot on application of selamectin, imidacloprid or fipronil, respectively, while the cats in group four were not treated. the cats were combed 48 h later, the fleas were removed, counted and their subspecies ... | 2007 | 17034950 |
| identification and characterisation of the dopamine receptor ii from the cat flea ctenocephalides felis (cfdoprii). | g protein-coupled receptors (gpcrs) represent a protein family with a wide range of functions. approximately 30% of human drug targets are gpcrs, illustrating their pharmaceutical relevance. in contrast, the knowledge about invertebrate gpcrs is limited and is mainly restricted to model organisms like drosophila melanogaster and caenorhabditis elegans. especially in ectoparasites like ticks and fleas, only few gpcrs are characterised. from the cat flea ctenocephalides felis, a relevant parasite ... | 2006 | 17027841 |