Publications
| Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
|---|
| [the role of the aedes aegypti vector in the epidemiology of dengue in mexico]. | the role of aedes aegypti (lineo) in the epidemiology of dengue fever in mexico is herein discussed based on the vectorial capacity model. comments on the advantages and disadvantages of each model component at the time of field determinations are also presented. emphasis is made on the impact of sampling and method bias on the results of vectorial capacity studies. the paper also addresses the need to increase vector biology knowledge as an input for epidemiological work to explain and predict ... | 1995 | 8599147 |
| [vectors of dengue in mexico: a critical review)]. | the mosquito aedes (stegomyia) aegypti (linneaus, 1762) is the vector of dengue viruses in america. recently, another related species, aedes albopictus (skuse, 1894) was first introduced to america in 1986 in texas, usa and later on in sao paulo, brazil. since then, this mosquito has rapidly colonized new areas along the northern border states of mexico. the importance of this species as a vector of dengue virus is not clear. this work presents a revision of some characteristics of the two speci ... | 1995 | 8599149 |
| global distribution and continuing spread of aedes albopictus. | aedes albopictus ranks second only to ae. aegypti in importance to man as a vector of dengue and dengue haemorrhagic fever (dhf) which viruses place at risk a potential population of 2 billion people living in tropical and sub-tropical regions. due to its predilection for breeding in a plethora of habitat within urban and suburban environs as well as peri-rural areas it is spreading rapidly where suitable breeding is available. it exhibits strain differences ranging from the cold-hardy to tropic ... | 1995 | 8778670 |
| the role of aedes albopictus as an arbovirus vector. | the recent rapid spread of aedes albopictus to many areas previously free of such infestations, including albania and italy, has heightened concern among public health and vector control officials. ae. albopictus is a proven or potential vector of several arboviruses, including some that are, or have been, actively transmitted in southern europe. these virus/vector relationships are reviewed with a view toward assessing the risk posed by the current presence of ae. albopictus in the region. | 1995 | 8778651 |
| aedes albopictus: a potential problem in france. | aedes albopictus, a mosquito of asian origin, has been rapidly spreading in all the continents since a decade: it is now established in north and south america, africa, oceania and even in europe where it was detected in albania, 1979 and in italy, 1990. the international shipping trade of used tires provides to ae. albopictus an ideal mechanism of dissemination, and everywhere the tire stocks constitute an extremely productive ecological niche. now, this mosquito is present in several localitie ... | 1995 | 8778652 |
| aedes albopictus: a potential problem in the united kingdom. | the united kingdom is within the geographical area in which aedes albopictus could survive. a large number of used car tyres are imported and a number of introduced cases of dengue fever occur annually. the health authorities should be aware of the possibility of dengue transmission. | 1995 | 8778653 |
| development of dirofilaria and setaria nematodes in aedes albopictus. | the development of dirofilaria repens, d immitis and setaria labiatopapillosa up to l3 stage was documented in a laboratory colony of aedes albopictus originating from specimens collected in civitavecchia (central italy). the susceptibility of ae albopictus and its plastic trophic habits, strongly suggest that this mosquito may contribute to the spreading of these nematodes in the country. it is particularly emphasized the danger for human health of an increased probability of transmission of di ... | 1995 | 8778656 |
| workshop on the geographic spread of aedes albopictus in europe and the concern among public health authorities. proceedings of a workshop held at the istituto superiore di sanità, rome, italy, 19-20 december 1994. | 1995 | 8778669 | |
| a small scale field trial with expanded polystyrene beads for mosquito control in septic tanks. | a field trial of the use of expanded polystyrene beads (epsb) to control the breeding of mosquito larvae in household septic tanks was conducted in sarawak. one week after treatment, the breeding of culex quinquefasciatus and aedes albopictus was reduced by 100% and 68.7% respectively. for both species combined, a 57.25% reduction in the adult emergence rate was achieved. no adult was caught in the emergence trap one month after treatment. a reduction in mosquito biting rates was reported by 87. ... | 1995 | 7778135 |
| survey of container-inhabiting mosquitoes in clemson, south carolina, with emphasis on aedes albopictus. | a total of 530 oviposition trap samples were collected within a 10-km radius of clemson university between march 30 and october 19, 1993. from 19,664 larvae reared from collected eggs, 7 species were identified: aedes albopictus (89%), ae. triseriatus (6.5%), culex restuans (2.7%), cx. territans (0.6%), cx. pipiens complex (0.7%), toxorhynchites rutilus septentrionalis (0.2%), and orthopodomyia signifera (0.1%). this is the first record of ae. albopictus in clemson. aedes aegypti was not found. ... | 1995 | 8825496 |
| history and updating on the spread of aedes albopictus in italy. | the present distribution in italy of aedes albopictus, the asian mosquito recently introduced, is described. until now this mosquito species has been established in 8 regions of our country: liguria, veneto, lazio, lombardia, emilia-romagna, toscana, piemonte and recently sardegna. the established populations have been able to overcome the winter season. these populations, certainly imported from temperate areas, have reconfirmed the great adaptation of the species, reaching the high latitude of ... | 1995 | 8778671 |
| duration of larval and pupal development stages of aedes albopictus in natural and artificial containers. | aedes albopictus were reared in different containers: a tree hole, a bamboo stump and an auto tire. the total times from egg hatching to adult emergence were of 19.6, 27.3 and 37.5 days, respectively, according to the container. the first, second and third-instar larvae presented growth periods with highly similar durations. the fourth-instar larvae was longer than the others stages. the pupation time was longer than the fourth-instar larvae growth period. the temperature of the breeding sites s ... | 1995 | 8525309 |
| [studies on the susceptibility of two northern taiwan strains of aedes albopictus mosquitoes to japanese encephalitis virus]. | aedes albopictus is a dominant mosquito species in northern taiwan. in laboratory, the vector competence of 2 geographical strains of aedes albopictus mosquitoes to nt 113 strain of japanese encephalitis virus was examined. the mosquito infection dose50 (mi-d50) of sanhsia (sh) strain by intrathoracic (i.t.) inoculation was shown to be -1.1 log wmicld50 (weanling mice intracerebrum lethal dose), while that of yungho (yh) strain was -2.0 log wmicld50. the infection dose for 50% mosquitoes transmi ... | 1995 | 9774983 |
| emerging zoonotic diseases. | 1995 | 22514399 | |
| operational and scientific notes. | published information on the distribution of aedes albopictus in south carolina is limited and fragmentary. this paper draws on various published and unpublished sources and presents synoptic information on the occurrence of the mosquito in 17 counties. additional surveys are required to establish the infestation status of the other 29 counties in the state. | 1995 | 8825510 |
| prey density effect on cannibalism by toxorhynchites towadensis (diptera: culicidae). | the effect of prey density on cannibalism by the larvae of toxorhynchites towadensis (matsumura) was studied in the laboratory. frequency of cannibalism was compared among pairs of all possible instar combinations of tx. towadensis in the presence and absence of aedes albopictus (skuse). cannibalism occurred despite the presence of prey larvae, but more frequently between different instars than the same instars. cannibalized larvae were always younger than or the same age as their attackers. six ... | 1995 | 7473620 |
| aedes albopictus (diptera: culicidae) eggs: field survivorship during northern indiana winters. | aedes albopictus (skuse) is an asian mosquito that recently has colonized north america via used tire transport. temperate ae. albopictus populations overwinter as diapausing eggs, but tropical populations cannot diapause. eggs of tropical (sabah) and temperate (indy) ae. albopictus were obtained in diapause-inducing conditions and placed inside a scrap tire to monitor overwintering survival in northern indiana during the winters of 1989-1990 and 1990-1991. diapause eggs of ae. triseriatus (say) ... | 1995 | 7473614 |
| immunoglobulins specific to mosquito salivary gland proteins in the sera of persons with common or hypersensitive reactions to mosquito bites. | using the immunoblot technique, we analyzed the quality and quantity of igg, igg4, and ige specific to mosquito salivary gland (hereafter abbreviate as sg) components of aedes albopictus in the sera of volunteers with common reactions and of 3 patients with severe reactions. in the volunteers with delayed reactions only or with both delayed and immediate reactions, igg against sg components of a. albopictus formed several faint or moderately stained bands. those with immediate reactions showed s ... | 1995 | 7650239 |
| absolute configuration of a new mosquito repellent, (+)-eucamalol and the repellent activity of its epimer. | (+)-eucamalol (1) and (-)-1-epi-eucamalol (2) were synthesized from (s)-(-)-perillaldehyde to determine the absolute configuration of 1, the structure of natural (+)-eucamalol being determined to be (1r,6r)-(+)-3-formyl-6-isopropyl-2-cyclohexen-1-ol. (+)-eucamolol (1) and its 1-epimer (2) exhibited significant repellent activity against aedes albopictus, and inhibited its feeding as well as deet. | 1995 | 7613002 |
| repellent action of neem cream against mosquitoes. | neem cream was used as mosquito repellent to provide protection against aedes albopictus, ae. aegypti, culex quinquefasciatus, anopheles culicifacies and an. subpictus mosquitoes. the application of neem cream on exposed body parts @2.0 gm/person showed 78 (range 65-95), 89 (range 66-100) and 94.4 (range 66-100) per cent protection against aedes, culex and anopheles mosquitoes respectively. significant difference was observed between neem cream treated and untreated group of population for aedes ... | 1995 | 7589727 |
| evaluation of a viral thymidine kinase gene for suicide selection in transfected mosquito cells. | an aedes albopictus cell line previously shown to be deficient in thymidine kinase activity was transfected with a thymidine kinase gene (tk) from herpes simplex virus. survival of the transfected lines in a 'tk+ selective medium' indicated that the viral gene was actively expressed at a level sufficient to rescue the tk-deficient phenotype of the parent line. unlike the parental cells, tk+ transformants (tk6:hsv cells) were sensitive to 5-bromodeoxyuridine, and contained dna corresponding to th ... | 1995 | 7551194 |
| sequences of the 18s rdnas from two collembolan insects: shorter sequences in the v4 and v7 regions. | the complete 18s rdna sequences were determined for hypogastrura sp. and crossodonthina koreana (insecta: collembola) using pcr cloning and taq dideoxy sequencing. these two wingless insects show high sequence similarity to each other, without large insertions and/or deletions, and are clearly distinguished from the two dipteran insects drosophila melanogaster and aedes albopictus by shorter sequences in the v4 (61-76 bp) and in the v7 (89-104 bp). regions. | 1995 | 7890180 |
| oviposition site preference of aedes albopictus in the laboratory. | several parameters on the oviposition site preference of aedes albopictus were studied, including color, container type, salinity, and water type. dark-colored glass jars, especially black, blue, and red ones were preferred over light-colored jars. the black-colored ovitrap with a paper strip performed better than other types of containers. seasoned tap water had the highest egg count when compared with a saline water series. in addition, water that had previously been used for the culture of ae ... | 1995 | 7616179 |
| promoter utilization in a mosquito ribosomal dna cistron. | in the mosquito aedes albopictus, two potential rna polymerase i promoters that map 531 and 143 nucleotides upstream of the 18s rrna gene have been defined on the basis of sequence homology with rrna promoters from other species. using the polymerase chain reaction, we confirmed that a 717 nucleotide region spanning the upstream (-531) and downstream (-143) promoters is homogeneous in genomic dna and in cloned dna. dna probes representing each of these promoters, as well as upstream "spacer" pro ... | 1995 | 7894052 |
| evidence for dna endonuclease activity in nuclear extracts from mosquito cells. | we describe a deoxyribonuclease activity from nuclear protein extracts of cultured aedes albopictus mosquito cells. the nuclease cleaved linear and circular double-stranded dna, first generating 3' oh single-stranded nicks followed by second strand cleavage, but had little or no exonucleolytic activity. detection of this activity was optimal at ph 7.1, in the presence of a divalent cation (mg2+, ca2+, mn2+, ba2+). in the presence of mg2+, zn2+, hg2+ and cu2+ inhibited activity, sulfhydryl reagen ... | 1995 | 7858941 |
| a north american model to contain the spread of aedes albopictus through tire legislation. | the introduction, spread, and establishment of the asian tiger mosquito, aedes albopictus, in the united states has been facilitated by used or waste tires. this species has not only caused considerable concern among public health officials but also highlighted that the growing accumulations of used tires are a serious solid waste problem and a challenge to the recycling industry. this paper illustrates how the state of illinois addressed the public health and solid waste problems associated wit ... | 1995 | 8778655 |
| control of aedes albopictus from the perspective of north america. | aedes albopictus is a serious nuisance species and a potential vector of domestic arboviruses in the u.s. public health and mosquito control agencies have taken numerous actions to address the problems posed by this species. federally mandated programs of disinsection and inspection of tire casings imported into the u.s. are aimed at preventing additional introductions of this and other exotic mosquito species. control programs, including the use of traditional chemical larvicides and adulticide ... | 1995 | 8778654 |
| efficacy of different ovitraps and binomial sampling in aedes albopictus surveillance activity. | the efficacy of plastic, glass, and metal ovitraps has been compared in the desenzano del garda (northern italy) urban area, infested by aedes albopictus since 1993. plastic and glass ovitraps gave similar results while metal ovitraps collected a significantly lower number of eggs (-56 and -59%, respectively). the reason may be related to the different internal color of the metal trap with respect to plastic and glass ones. utilizing the gerrard and chiang binomial model we obtained a high r2 fo ... | 1996 | 9046468 |
| control of aedes albopictus in waste tire piles with reduced rates of temephos-treated granules. | two days following treatment, larval populations of aedes albopictus in waste tires treated with granular formulations of temephos were reduced 90% at the 0.11 kg ai/ha rate, 98% at the 0.56 kg ai/ha rate, and 100% at the 1.12, 11.21, and 22.42 kg ai/ha rates. nearly 100% control was achieved for 8 wk at the 0.5 kg ai/ha rate, for 7 wk at the 1.12 kg ai/ha rate in one replicate, and for at least 5 months at the 11.21 and 22.42 kg ai/ha rates. these results indicate that prolonged control can be ... | 1996 | 8887227 |
| first record of aedes albopictus from new jersey. | in early august 1995, aedes albopictus was detected in a light trap collection at a coastal location of monmouth county, nj. larval surveillance indicated the species was breeding in a variety of containers over an area of at least 1.0 km2. this new jersey record currently represents the northernmost breeding population of ae. albopictus on the eastern seaboard. the collection site is very close to the 0 degree c daily mean january isotherm that has been used as a conservative estimate for the n ... | 1996 | 8827609 |
| cell cycle parameters in aedes albopictus mosquito cells. | we have analyzed cell cycle parameters for the aedes albopictus c7-10 mosquito cell line, which has been systematically developed for somatic cell genetics, expression of transfected genes, and synthesis of hormone-inducible proteins. in rapidly cycling cells, we measured a generation time of 10-12 h. the duration of mitosis (m) was < or = 1 h, and the dna synthesis phase (s) required 6 h. unlike drosophila melanogaster kc cells, in which the g2 gap is substantially longer than g1, in c7-10 cell ... | 1996 | 8792161 |
| distention and sugar feeding induce autogenous egg development by the asian tiger mosquito (diptera:culicidae). | mechanisms initiating autogenous egg development were studied using a selected strain of asian tiger mosquito, aedes albopictus (skuse), that required a sugar meal to develop eggs autogenously. caloric intake and the abdominal distention produced by ingesting sucrose solutions were interrelated in their effects on autogeny. distention of the abdomen with 2 microliters of saline, with no caloric intake, induced autogenous egg maturation in 66% of the females. abdominal distention produced by 2 mi ... | 1996 | 8667383 |
| [effects of temperature on the viability and infectivity of preparasitic larvae of romanomermis yuanenesis]. | romanomermis yuanenesis (mermithidae: nematoda) was found in henan, china (song and peng, 1987), which has a broad host range in culicinae mosquito and has been used successfully in field test for control of culex tritaeniorhynchus, culex fatigans and aedes albopictus in sichuan, yunnan, guangxi and henan provinces. this study was attempted to determine the viability and infectivity of preparasitic larvae in various temperatures. the cultures containing r. yuanenesis eggs were flooded 2h with di ... | 1996 | 9208610 |
| aedes albopictus and ae. triseriatus eggs survive waste tire processing. | tires that were either crudely chopped or more finely processed into shreds contained viable eggs. field-collected remnants of 2-3 chopped tires contained viable aedes albopictus eggs. after shredding tires seeded with mosquito eggs, 34 (4.6%) of an estimated 746 ae. albopictus eggs and 21 (2.7%) of an estimated 774 aedes triseriatus eggs survived. chopped and shredded tire remnants may serve as a means of dispersing mosquitoes. | 1996 | 9046483 |
| [problems posed by the spread of aedes albopictus]. | ae. albopictus is originated from asia, and is known as a natural vector of dengue in south-east asia. since about 10 years, ae. albopictus has spread all around the world. it was introduced into the americas: united states, mexico, brazil, barbados and the dominican republic; into some pacific islands as solomons, fidji and australia; into africa in nigeria; and finally into europe: in italy and albany. these introductions were made primarily through imported tyres containing eggs and/or larvae ... | 1996 | 8924772 |
| repellency of lantana camara (verbenaceae) flowers against aedes mosquitoes. | the repellent effect of lantana camara flowers was evaluated against aedes mosquitoes. lantana flower extract in coconut oil provided 94.5% protection from aedes albopictus and ae. aegypti. the mean protection time was 1.9 h. one application of lantana flower can provide more than 50% protection up to 4 h against the possible bites of aedes mosquitoes. no adverse effects of the human volunteers were observed through 3 months after the application. | 1996 | 8887218 |
| first record of genus coelomomyces in macau (china): coelomomyces stegomyiae var. stegomyiae parasitizing aedes albopictus. | during a mosquito survey carried out in 1994-95, in macau, southern china, coelomomyces stegomyiae var. stegomyiae was found parasitizing aedes albopictus. this constitutes the first record of this genus as potential agents of mosquito control in the area. | 1996 | 8887236 |
| attraction of aedes albopictus adults in sod infusion. | aedes albopictus adults were recovered from sod-baited gravid traps at 7 sites in 5 counties of southern and southwestern illinois in areas ranging from suburban to rural. the attraction of this species to a lure usually associated with members of the culex pipiens complex was investigated under laboratory and field conditions. olfactometer and oviposition preference tests in the laboratory showed that ae. albopictus is attracted to sod infusion and females readily oviposit on substrates in cont ... | 1996 | 8723268 |
| enhanced infectivity of modified bluetongue virus particles for two insect cell lines and for two culicoides vector species. | previous studies (mertens et al., virology 157, 375-386, 1987) have shown that removal of the outer capsid layer from bluetongue virus (btv) significantly reduces (approximately x 10(-4)) the infectivity of the resultant core particle for mammalian cells (bhk 21 cells). in contrast, the studies reported here, using a cell line (kc cells) derived from a species of culicoides that can act as a vector for btv (culicoides variipennis), demonstrated a much higher infectivity of core particles than th ... | 1996 | 8610450 |
| inter- and intraspecific variation in resistance to desiccation by adult aedes (stegomyia) spp. (diptera: culicidae) from indonesia. | desiccation survival times of adult mosquitoes were studied for yellow fever mosquito, aedes aegypti (l.) (6 strains), asian tiger mosquito, ae. albopictus (skuse) (5 strains), and ae. paullusi stone & farmer (1 strain) colonized from south sulawesi, indonesia. at both 90 and 70% rh, ae. aegypti males and females outlived the other species. the forest species ae. paullusi was least resistant to desiccation. strains of ae. aegypti and ae. albopictus from urban areas were more resistant to desicca ... | 1996 | 8906905 |
| occurrence of aedes (stegomyia) spp. mosquitoes (diptera: culicidae) in halmahela villages, indonesia. | aedes (stegomyia) spp. mosquitoes breeding in containers in and around human houses were surveyed in halmahela villages, the north moluccas, indonesia. adults reared from larvae found in containers and those reared from eggs collected by ovitraps revealed the dominance of aedes scutellaris (walker) in residential areas. breeding of aedes aegypti (l.) and aedes albopictus (skuse) was confirmed in a few coastal villages with high human densities. | 1996 | 8906924 |
| the fragmentation of incoming semliki forest virus nucleocapsids in mosquito (aedes albopictus) cells might be coupled to virion uncoating. | the fate of semliki forest virus (sfv) nucleocapsid, especially the capsid protein (c-protein), was investigated during the early stages of a productive infection in mosquito aedes albopictus cells. infection of the cells resulted in a time dependent accumulation of a c-protein derived fragment. this fragmentation of incoming viral nucleocapsid was prevented by nh4cl, an agent generally used to elevate the ph in acidic intracellular compartments, suggesting that a low intravesicular ph is requir ... | 1996 | 8920817 |
| [the risk of urban yellow fever outbreaks in brazil by dengue vectors. aedes aegypti and aedes albopictus]. | urban yellow fever (yf) epidemics have disappeared from brazil since about 50 years, but a selvatic cycle still exist. in many states, cases are more or less numerous each year. ae. aegypti was eradicated in 1954, re-appeared temporarily in 1967, and then definitively in 1976-1977. ae. aegypti is a vector of yellow few (yf), but also of dengue, whose first cases were reported in 1982. today, dengue is endemic in many regions. a second flavivirus vector, aedes albopictus is present since about te ... | 1996 | 8924767 |
| [epidemiology of arbovirus diseases: use and value of physiologic age determination of female mosquito vectors]. | the physiological age of yellow fever aedes females in africa was studied during four years, from 1988 to 1992. we used a method, according to polovodova's method, which looks for the "yellow body" under natural light. those yellow bodies exist in the old females, the "parous" ones, and not in the young females, the "nulliparous" ones. we present some results to illustrate the interest of studying the physiological age of mosquitoes in the epidemiology of the arboviral diseases. the transmission ... | 1996 | 8924776 |
| [the situation of dengue in the world]. | the situation of dengue in the world can be summarized as follows: 2,5 billions persons at risk, 60 millions cases per year, and 30 000 deaths per year. the four dengue serotypes, den-1, den-2, den-3 and den-4 are nearly human-specific. clinical symptoms of dengue vary from unapparent infection, mild febrile manifestations to hemorrhagic forms with or without shock syndrome. dengue viruses are transmitted by aedes mosquitoes, the most important vectors being aedes aegypti and aedes albopictus. t ... | 1996 | 8924780 |
| apyrase and alpha-glucosidase in the salivary glands of aedes albopictus. | an apyrase and an alpha-glucosidase were detected in the salivary glands extracts of adult aedes albopictus. the apyrase is a 61,000 da secreted protein that hydrolyses atp and adp. this protein is synthe-sized in adults and is preferentially accumulated in the distal lateral lobes of the female salivary glands. the alpha-glucosidase is a secreted 67,000 da protein. this enzyme is synthesized during adult life and accumulated in the proximal-lateral lobes of both males and females. the results a ... | 1996 | 8925436 |
| pathogenicity of the aedes albopictus parvovirus (aapv), a denso-like virus, for aedes aegypti mosquitoes. | aapv, a denso-like virus isolated from a c6/36 clone of the aedes albopictus cell line, proved to be very pathogenic for aedes aegypti first and third instar larvae following per os infection. the mortality reached 90% in 10 days for larvae infected at the first instar. several factors, such as temperature, larval density and stage, and duration of contact with infectious particles, influenced infection. the virus titer in females surviving infection at the third larval instar reached 10(8) tcid ... | 1996 | 8931366 |
| evaluation of methoprene (altosid) and diflubenzuron (dimilin) for control of mosquito breeding in tezpur (assam). | insect growth regulators (igrs) namely, isopropyl (e-e)-(rs)-11-methoxy-3,7,11-trimethyldodeca-2, 4-dinoate (methoprene) and 1-(4-cyclophenyl)-3-(2,6-diflerobenzoyl) urea (diflubenzuron) were evaluated against mosquito larvae in laboratory as well as in different breeding habitats in tezpur, assam. lc90 values of diflubenzuron against culex quinquefasciatus and aedes albopictus were 0.0022 and 0.0027 ppm respectively, while it was 0.0027 and 0.0022 ppm respectively in case of methoprene. however ... | 1996 | 8952169 |
| occurrence and spread in italy of aedes albopictus, with implications for its introduction into other parts of europe. | aedes albopictus is considered second only to ae. aegypti in its importance to man as a disease vector of dengue and dengue hemorrhagic fever. the first sighting in 1979 of the vector species in europe came from albania; however, it was only when ae. albopictus was introduced into italy in 1990, through the importation of used tires, followed by its subsequent spread, that the species was considered as a threat to public health. at the close of 1995, ae. albopictus infestations have been reporte ... | 1996 | 8827590 |
| the role of deer as a possible reservoir host of potosi virus, a newly recognized arbovirus in the united states. | potosi (pot) virus (bunyaviridae) was isolated from aedes albopictus, an introduced asian mosquito species, collected at a used tire yard in potosi, missouri (usa), in august and september, 1989. in september, 1990, small animals were trapped at the tire yard and six cattle were sampled at an adjacent farm; in november 1990 and 1991, blood samples were collected with filter paper strips from 364 hunter-killed, white-tailed deer (odocoileus virginianus) in the region to determine the possible res ... | 1996 | 8827670 |
| possible introduction of aedes albopictus into texas from vietnam. | 1996 | 9046487 | |
| [detection of aedes aegypti and aedes albopictus, in an urban zone of the municipality of catanduva, sp, after control of a dengue epidemic]. | after the realization of control research that had in view the transmission of dengue virus, we started to monitor two kinds of entomological vigilance, breteau index and ovitrap. we intended to evaluate the necessary time elapsed before aedes sp mosquitoes were again detected at the urban area of catanduva s town (sp). the ovitraps showed positiveness for the aedes aegypti two months after the control research, while the breteau index became positive only at the fourth month after the end of th ... | 1996 | 9026829 |
| dengue vector mosquitos at a tourist attraction, ko samui, in 1995. | on ko samui, thailand there were two epidemics of dengue hemorrhagic fever (dhf) in 1966 and 1967, followed by endemics up to 1994. aedes aegypti and aedes albopictus were the vectors. from january to july 1995, 51 cases of dhf were reported, out of these were many foreigners who still suffer from dengue fever and return home with negative impression. we carried out an entomological survey around the island and collected the mosquitos to detect dengue virus by digoxigenin-cdna probe. the data re ... | 1996 | 9031420 |
| insecticide susceptibility of aedes aegypti and aedes albopictus in the lower rio grande valley of texas and mexico. | in response to a potential dengue fever outbreak in south texas during 1995, the susceptibilities of aedes aegypti and aedes albopictus to commonly used mosquito adulticides were assessed. larvae collected from the lower rio grande valley of texas and mexico were reared to adults and tested against susceptible laboratory strains at texas a&m university. resistance ratios at both the lc50 and lc95 rates were all less than 10, indicating that adult populations of both species are still susceptible ... | 1996 | 8887230 |
| effects of three larvicides on the production of aedes albopictus based on removal of pupal exuviae. | the production of adult aedes albopictus from tires in northcentral florida was monitored for 169 days by the daily removal of pupal exuviae. more than twice as many adults emerged from tires located in the shade (1.74 adults/tire/day) compared to tires in the sun (0.64 adults/tire/day). the effect of 3 larvicides on the production of adult ae albopictus was evaluated. the fungal pathogen lagenidium giganteum was ineffective. a liquid formulation of bacillus thuringiensis israelensis (acrobe) pr ... | 1996 | 8887234 |
| low ph-induced pore formation by spike proteins of enveloped viruses. | exposure of aedes albopictus cells infected with semliki forest virus (sfv; togaviridae) to mildly acidic ph (5.6) results in a dramatic increase in the host cell membrane permeability due to pore formation by the virus spike proteins. identical results were obtained when the cells were infected with two other viruses, sindbis virus (sin, togaviridae) and vesicular stomatitis virus (vsv, rhabdoviridae). this permeability change could also be observed on isolated virions of sfv, sin and vsv by me ... | 1996 | 9000093 |
| [description of the colonization of aedes albopictus (diptera: culicidae) in the region of saõ josé do rio preto, sp, 1991-1994]. | this study aims to describe and analyze the colonization of aedes albopictus whose presence was detected in 1991 in the area of sào josé do rio. preto already colonized by the aedes aegypti. year and month of occurrence, counties, composition and location of larval samples, kinds of containers, average number of larvae an breteau index bare been analyzed from the information obtained in measurements of larval density by superintendência de controle de endemias (sucen). the presence of aedes albo ... | 1996 | 9011878 |
| molecularly engineered resistance to california serogroup virus replication in mosquito cells and mosquitoes. | introduction of genetic elements derived from a viral pathogen's genome may be used to reduce the vectorial capacity of mosquitoes for that virus. a double subgenomic sindbis virus expression system was utilized to transcribe sequences of lacrosse (lac) virus small (s) or medium (m) segment rna in sense or antisense orientation; wild-type sindbis and lacrosse viruses have single-stranded rna genomes, the former being positive sense and the latter being negative sense. recombinant viruses were ge ... | 1996 | 8633038 |
| pathogen-derived resistance to dengue type 2 virus in mosquito cells by expression of the premembrane coding region of the viral genome. | the full-length premembrane (prm) coding region of the dengue virus type 2 (den-2; jamaica) genome was expressed in c6/36 (aedes albopictus) cells in either the sense or the antisense orientation from a double subgenomic sindbis (dssin) virus. northern (rna) blot analysis confirmed the expression of sense or antisense den-2 prm rna in infected c6/36 cells. prm protein was demonstrated in cells infected with dssin virus expressing den-2 sense rnas by an immunofluorescence assay. c6/36 cells were ... | 1996 | 8642634 |
| the e1 protein is mandatory for pore formation by semliki forest virus spikes. | insect cells (aedes albopictus, clone c6/36) were infected with various variants of semliki forest virus including the wild type using the sfv replicon system. the variants included deletion mutants lacking one of the structural proteins and a mutant with a point mutation in p62 (sql). the latter mutation results in a failure to process p62 to e2 and e3. after infection of the cells with different variant viruses and subsequent expression of viral proteins in the host cell plasma membrane low ph ... | 1996 | 8659114 |
| experimental evidence against replication or dissemination of hepatitis c virus in mosquitoes (diptera:culicidae) using detection by reverse transcriptase polymerase chain reaction. | in 3 laboratory experiments, mosquitoes were fed hepatitis c virus (hcv)-rna positive blood by using membrane feeders, separated into head, thorax, and abdomen, and tested by a reverse transcriptase polymerase chain reaction for hcv-rna. hcv did not replicate or disseminate in mosquitoes that had ingested blood from patients that were hcv-viremic positive. when yellow fever mosquitoes, aedes aegypti (l.), were held for 1, 3, 7, 14, and 21 d after feeding, hcv-rna was detected in the abdomens of ... | 1996 | 8667387 |
| short report: lack of virus replication in arthropods after intrathoracic inoculation of ebola reston virus. | to evaluate the potential for arthropods to serve as reservoir hosts of ebola virus, three mosquito species, aedes albopictus, aedes taeniorhynchus, and culex pipiens, and a soft tick, ornithodoros sonrai, were inoculated with 1o2.5 plaque-forming units of ebola reston virus. after incubation at 22 degrees c for 11 days, at least six specimens of each species were triturated and examined for evidence of viral replication by enzyme-linked immunosorbent assay and plaque assay. there was no evidenc ... | 1996 | 8702028 |
| isolations of potosi virus from mosquitoes collected in the united states, 1989-94. | potosi (pot) virus, a recently characterized bunyamwera serogroup virus, was discovered when it was isolated from aedes albopictus collected at a waste-tire site in potosi, washington county, missouri, during 1989. during the following year, pot virus was not isolated from 39,048 mosquitoes, including 17,519 ae. albopictus, collected in washington county. in 1991, mosquito collections from south carolina, ohio, and michigan yielded 8 strains of pot virus: 6 from coquillettidia perturbans and one ... | 1996 | 8723251 |
| human host avidity in aedes albopictus: influence of mosquito body size, age, parity, and time of day. | diel patterns of human host attack by aedes albopictus in the laboratory were studied in relation to mosquito body size, age, parity, and time of day. analysis of responses in 10-, 15-, and 20-day-old females indicated a significant main effect due to time of observation in the diel period, as well as significant time x parity and time x age interactions. the distribution of mean host attack responses during the diel period was bimodal with approximately 70% of all activity during photophase (08 ... | 1996 | 8723259 |
| rescue of a segmented negative-strand rna virus entirely from cloned complementary dnas. | we provide the first report, to our knowledge, of a helper-independent system for rescuing a segmented, negative-strand rna genome virus entirely from cloned cdnas. plasmids were constructed containing full-length cdna copies of the three bunyamwera bunyavirus rna genome segments flanked by bacteriophage t7 promoter and hepatitis delta virus ribozyme sequences. when cells expressing both bacteriophage t7 rna polymerase and recombinant bunyamwera bunyavirus proteins were transfected with these pl ... | 1996 | 8986823 |
| discovery of aedes albopictus in guatemala. | aedes albopictus was discovered for the first time in guatemala during june 1995. it was collected in 10 out of 15 localities sampled in and around the community of puerto barrios in the department of izabal. the location of the positive collections indicates a more rural distribution than aedes aegypti. sampling was conducted along the atlantic highway up to the capital city to determine the extent of its introduction into the country. larvae were not found more than 4 km outside of puerto barr ... | 1996 | 8887235 |
| stable expression of insect gaba receptors in insect cell lines. promoters for efficient expression of drosophila and mosquito rdl gaba receptors in stably transformed mosquito cell lines. | we are interested in establishing stably transformed insect cell lines efficiently expressing the insect gamma-aminobutyric acid (gaba) receptor subunit gene resistance to dieldrin or rdl. in order to facilitate this we utilized a system based on stable transformation of aedes albopictus mosquito cell lines using the dihydrofolate reductase (dhfr) gene as a selected marker. here we report the production of stable mosquito cell lines carrying high copy numbers of rdl genes from both drosophila an ... | 1996 | 8601436 |
| developmental synchrony of ascogregarina taiwanensis (apicomplexa: lecudinidae) within aedes albopictus (diptera: cuclicidae). | development of ascogregarina taiwanensis lien & levine was synchronized with its host, the asian tiger mosquito, aedes albopictus (skuse). trophozoites of the parasite migrate to the malpighian tubules where the gamonts fuse to form gametocysts and later mature oocysts. in this study, we observed that water temperature, which alters the development time of mosquito larvae, also affected parasite development. a. taiwanensis developed in a shorter time at 29 degrees c, whereas at 14 degrees c, the ... | 1996 | 8742523 |
| biochemical, molecular, and phylogenetic analysis of pyruvate carboxylase in the yellow fever mosquito, aedes aegypti. | pyruvate carboxylase (pc, pyruvate: carbon dioxide ligase [adp-forming], ec 6.4.1.1) was purified from the yellow fever mosquito, aedes aegypti. the purified pc showed two polypeptides of similar m(r) (133 and 128 k). the n-terminal sequences of both polypeptides were shown to be very similar, if not identical. a polyclonal antiserum against the 133 kda polypeptide cross-reacted strongly with the 128 kda polypeptide. pc was found in all tissues examined. using a semi-quantitative western blot as ... | 1997 | 9066123 |
| biophysical properties of heterotypic gap junctions newly formed between two types of insect cells. | 1. cell pairs of the insect cell line sf9 (spodoptera frugiperda) were chosen to examine the electrical properties of gap junction channels. the dual voltage-clamp method was used to control the membrane potential of each cell (vm,1 and vm,2) and hence the junctional voltage gradient (vj), and to measure intercellular current. 2. studies with preformed pairs revealed that the gap junction conductance (gj) is controlled by a vj- and a vm-sensitive gate. at steady state, gj = f(vj) was bell shaped ... | 1997 | 9130166 |
| distribution of mayaro virus rna in polysomes during heat shock. | mayaro virus (alphavirus) infection of aedes albopictus cells results in inhibition of cell protein synthesis and viral proteins are preferably synthesized. when infected cells are heat shocked, however, there is also an inhibition of viral protein synthesis, and there is preferential synthesis of heat shock proteins. based on these observations, the distribution of mayaro viral rna in polysomes and the association of p34 (capsid protein) with ribosomal fractions of the cells under such conditio ... | 1997 | 9175251 |
| changes in the dengue virus major envelope protein on passaging and their localization on the three-dimensional structure of the protein. | to help define the molecular events involved in dengue virus adaptation during serial passage in vivo and in cultured cells, we have sequenced the structural protein genes of three dengue type 3 isolates after intracerebral passage in mice and after passage in cultured monkey kidney (vero) and aedes albopictus (mosquito) cells. passaging in each host selected for amino acid changes in the envelope protein e and occasionally in prm but not in the capsid protein. most changes were first apparent w ... | 1997 | 9191841 |
| adsorptive endocytosis of california encephalitis virus into mosquito and mammalian cells: a role for g1. | the g1 glycoprotein of california encephalitis (ce) virus plays a critical role in the infection of mosquito and mammalian cells. we found that ce virus enters baby hamster kidney (bhk-21) and aedes albopictus (c6/36) cells by the endocytic pathway. ammonium chloride, a lysosomotropic amine that prevents release of virus from endosomes, inhibited infection of both cell types when added within 10 min after viral adsorption. in addition, infected cells formed polykaryons when the extracellular ph ... | 1997 | 9300035 |
| in vitro culture and phylogenetic analysis of "candidatus arsenophonus triatominarum," an intracellular bacterium from the triatomine bug, triatoma infestans. | an intracellular symbiotic bacterium was isolated from the hemolymph of triatoma infestans and cultured in an aedes albopictus cell line. 16s ribosomal dna sequence analysis revealed that the bacterium was a member of the gamma-3 subgroup of the class proteobacteria, having 96.2% sequence identity with the most closely related bacterium, arsenophonus nasoniae, the causative agent of the son-killer trait in the parasitoid wasp nasonia vitripennis. these bacteria share morphological features and a ... | 1997 | 9336921 |
| [impact of changes in the environment on vector-transmitted diseases]. | we have defined the relationship between infectious diseases and environmental conditions and considered the development of this relationship to its current situation, where human intervention is occurring more often and is becoming more aggressive. the increase in the transport of freight and passengers by air has allowed parasite vectors to spread quickly and easily over large distances. every country can now be reached from any other country within a couple of days. usually, foreign species a ... | 1997 | 9410453 |
| analysis of lacrosse virus s mrna 5' termini in infected mosquito cells and aedes triseriatus mosquitoes. | nucleotide sequences were determined for the 5' termini of la crosse virus (lac) s segment mrna from persistently infected mosquito cell cultures (c6/36 from aedes albopictus) and embryos (aedes triseriatus). lac primes transcription of its mrna with "scavenged" 5' caps and adjacent oligonucleotides from host mrnas, and these non-virus-encoded 5'-terminal extensions are heterogeneous in infected mammalian cells. the nature of mosquito host-derived primers has not been previously investigated. du ... | 1997 | 9151829 |
| cholesterol-independent targeting of golgi membrane proteins in insect cells. | distinct lipid compositions of intracellular organelles could provide a physical basis for targeting of membrane proteins, particularly where transmembrane domains have been shown to play a role. we tested the possibility that cholesterol is required for targeting of membrane proteins to the golgi complex. we used insect cells for our studies because they are cholesterol auxotrophs and can be depleted of cholesterol by growth in delipidated serum. we found that two well-characterized mammalian g ... | 1997 | 9362056 |
| first record in america of aedes albopictus naturally infected with dengue virus during the 1995 outbreak at reynosa, mexico. | mosquito collections were conducted during a dengue outbreak in reynosa, tamaulipas, mexico, july-december 1995. a total of 6694 adult mosquitoes (four genera and nine species) were captured, of which 2986 (78.3% females and 21.7% males) were aedes albopictus and 2339 (39.7% females and 60.3% males) were ae.aegypti. these two species comprised 84.2% of the total collection. specimens were grouped into pools, nearly 50% of them processed for detection of virus by cythopathic effect in c6-36 and v ... | 1997 | 9430106 |
| susceptibility of three laboratory strains of aedes albopictus (diptera: culicidae) to japanese encephalitis virus from taiwan. | the susceptibility of 3 laboratory strains of aedes albopictus (skuse) (sanhsia [sh], yungho [yh], liyang [ly], and 1 strain of culex tritaeniorhynchus giles from northern and central taiwan were compared for susceptibility to the mq1-2 strain of japanese encephalitis (je) virus. the median infective dose (mid50) by intrathoracic inoculation was 0.23, 0.76, 1.60, and -0.03 log10 wmicld50 (50% weanling mice intracranial lethal dose) with ae. albopictus sh, yh, ly, and cx. tritaeniorhynchus, respe ... | 1997 | 9439133 |
| comparison of the autogenous potentials of newly-emerged anautogenous female mosquitoes. | the autogenous potentials in several species of newly emerged anautogenous female mosquitoes were examined by homoplastic transplantion of resting stage ovaries into newly-emerged females. ovaries from 4-day-old female culex pipiens quinquefasciatus, with follicles at stage ib, were all activated in the newly emerged hosts and deposited some yolk in the oocyte. in addition, some of the implants (5-10%) matured. transplanted c. tritaeniorhynchus ovaries also started to develop beyond the ib resti ... | 1997 | 12769925 |
| in vitro cultivation of wolbachia pipientis in an aedes albopictus cell line. | a continuous cell line, aa23, was established from eggs of a strain of the asian tiger mosquito, aedes albopictus, naturally infected with the intracellular symbiont wolbachia pipientis. the resulting cell line was shown to be persistently infected with the bacterial endosymbiont. treatment with antibiotics cured the cells of the infection. in the course of establishing this cell line it was noticed that rflps in the pcr products of two wolbachia genes from the parental mosquitoes were fixed in ... | 1997 | 9013253 |
| characterization of jkt-7400, an orbivirus which grows in aedes albopictus mosquito cells: evidence pointing to a minor virion protein, vp6, as the rna guanylyltransferase. | jkt-7400 virus, an orbivirus originally isolated from culex mosquitos, was plaque purified and adapted to aedes albopictus mosquito cells. conditions which enhance viral cytopathic effect and optimize plaque formation are described. in contrast to bluetongue virus, the prototype orbivirus, no replication of jkt-7400 virus in vertebrate cells was observed. the core particle of jkt-7400 virus contains 10 segments of dsrna and three minor proteins, vp1, vp4, and vp6. the inner shell contains two ma ... | 1997 | 9024806 |
| parasites of the asian tiger mosquito and other container-inhabiting mosquitoes (diptera:culicidae) in northcentral florida. | seven microorganisms including 4 protozoans, 2 fungi, and a bacterium infected aedes albopictus (skuse) larvae collected from 12 counties in northecentral florida. ae albopictus and 14 other species of mosquitoes were collected from tires, flower-holding vases in cemeteries, other types of artificial containers, and treeholes. ascogregarina taiwanensis (lien & levine) was the most common parasite of ae. albopictus throughout the year. the microsporidium vavraia culicis (weiser) infected aedes ae ... | 1997 | 9103767 |
| characterization of the infection of aedes albopictus cell clones by sindbis virus. | we have investigated the infection of aedes albopictus (mosquito) cell clones by sindbis virus. variation in the multiplicity of infection (moi) from ranges of 50-0.00005 pfu/cell was determined to have no effect on the progression of the infection to high acute phase titer, suggesting that intracellular factors alone are responsible for the restriction of virus production seen as the infection enters the persistent phase: while persistently infected (over 1 year post infection) cell clones are ... | 1997 | 9255930 |
| superinfection exclusion of alphaviruses in three mosquito cell lines persistently infected with sindbis virus. | three aedes albopictus (mosquito) cell lines persistently infected with sindbis virus excluded the replication of both homologous (various strains of sindbis) and heterologous (aura, semliki forest, and ross river) alphaviruses. in contrast, an unrelated flavivirus, yellow fever virus, replicated equally well in uninfected and persistently infected cells of each line. sindbis virus and semliki forest virus are among the most distantly related alphaviruses, and our results thus indicate that mosq ... | 1997 | 9261447 |
| aedes albopictus in the united states: ten-year presence and public health implications. | since its discovery in houston, texas, in 1987, the asian "tiger mosquito" aedes albopictus has spread to 678 counties in 25 states. this species, which readily colonizes container habitats in the peridomestic environment, was probably introduced into the continental united states in shipments of scrap tires from northern asia. the early pattern of dispersal followed the interstate highway system, which suggests further dispersal by human activities. the public health service act of 1988 require ... | 1997 | 9284377 |
| venereal and vertical transmission of the aedes albopictus parvovirus in aedes aegypti mosquitoes. | following per oral infection of aedes aegypti larvae with aedes albopictus parvovirus (aapv), infected males and females adults were tested for their ability to transmit the virus venereally and vertically, respectively. both types of transmission were observed. a low percentage (2.2%) of aapv-free females were found contaminated by the virus after mating with aapv-infected males. although no significant difference was observed in the fecundity of orally infected and virus-free females, 17.1% of ... | 1997 | 9288802 |
| wolbachia, normally a symbiont of drosophila, can be virulent, causing degeneration and early death. | wolbachia, a maternally transmitted microorganism of the rickettsial family, is known to cause cytoplasmic incompatibility, parthenogenesis, or feminization in various insect species. the bacterium-host relationship is usually symbiotic: incompatibility between infected males and uninfected females can enhance reproductive isolation and evolution, whereas the other mechanisms enhance progeny production. we have discovered a variant wolbachia carried by drosophila melanogaster in which this cozy ... | 1997 | 9380712 |
| identification of a north american mosquito species, aedes atropalpus (diptera: culicidae), in italy. | in late september 1996, during a routine survey for aedes albopictus in italy, a population of aedes atropalpus s.s. was discovered in the veneto region (northern italy). larvae were collected in 2 tire storage areas belonging to tire recapping companies that imported loads of car and large equipment used tires from eastern europe and north america. aedes atropalpus is found only in north america and hence it is the origin of this species. control measures were carried out in october, but by the ... | 1997 | 9383765 |
| keys for the identification of the mosquitoes of greece. | keys to the adult females and 4th instar larvae of the mosquitoes of greece are presented. in all, 53 species in 7 genera are included. also, aedes albopictus is added because of the potential for its introduction into greece. | 1997 | 9383766 |
| detection of dengue virus from field aedes aegypti and aedes albopictus adults and larvae. | mosquito adults and larvae were collected from dengue high risk areas and transported to the laboratory for identification. identified mosquitos were pooled according to the species, date and locality and stored at -70 degrees c. a total of 1,385 pools of aedes albopictus and 267 pools of ae. aegypti were collected from major towns in 12 states in peninsular malaysia. virus isolation was carried out using cell culture (c6/36 clone) of ae. albopictus and detection of dengue virus by the peroxidas ... | 1997 | 9322296 |
| does transovarial transmission of dengue virus occur in malaysian aedes aegypti and aedes albopictus? | 1997 | 9322311 | |
| dengue infection in paracambi, state of rio de janeiro, 1990-1995. | a seroepidemiological survey was carried out during 1994 in the municipality of paracambi, state of rio de janeiro. haemagglutination inhibition test positivity was detected in 145 out of 370 (39.2%) schoolchildren. the frequency of positive test by sex was 53.8% (78/145) female and 46.2% (67/145) male. distribution by age showed the increasing of antibody positivity in older children. strains of dengue virus type 1 and dengue virus type 2 were isolated before (1990) showing the co-circulation o ... | 1997 | 9322424 |
| chikungunya in thailand: a re-emerging disease? | the first reported case of chikungunya virus diagnosed by serology in thailand was in 1960 and the last one was in 1991. the disease surveillance system does not specifically include chikungunya cases and the signs and symptoms are similar to these of dengue fever/dengue hemorrhagic fever (df/dhf), rubella, and fever of unknown origin (fuo); thus cases might often be reported under those diagnoses. during the rainy season of 1995 (jun-aug), there were at least 2 reported chikungunya outbreaks wh ... | 1997 | 9444021 |
| aedes albopictus (diptera:culicidae) is incompetent as a vector of hepatitis c virus. | in laboratory experiments, aedes albopictus females were fed hepatitis c virus (hcv)-infected human blood with a unit-feeding apparatus. pools of engorged females were tested at various time intervals after their blood meal for the presence of hcv rna using two methods in parallel: reverse transcription-nested polymerase chain reaction (pcr) and pcr with the amplicor hcv system. comparable results were obtained with both methods. mosquitoes were found to be positive only immediately and 24 h aft ... | 1997 | 9164472 |
| performance of ulv formulations (pesguard 102/vectobac 12as) against three mosquito species. | adulticidal and larvicidal performances of a water-based pyrethroid microemulsion pesguard ps 102 (ai d-allethrin and d-phenothrin, both at 5.0% w/w) and vectobac 12as, an aqua-suspension bacillus thuringiensis israelensis (b.t.i.) formulation (ai 1,200 itu/mg) were assessed against mosquitoes aedes aegypti, aedes albopictus, and culex quinquefasciatus using a leco ulv fog generator model 1600 and a scorpion 20 ulv airblast sprayer. laboratory-cultured mosquito adults and larvae were used for ef ... | 1997 | 9474567 |
| field evaluation of vectobac g, vectobac 12as and bactimos wp against the dengue vector aedes albopictus in tires. | the efficacy of three formulations of bacillus thuringiensis var. israelensis was studied against aedes albopictus in discarded tires. the formulations were: vectobac g (corn cob formulation), vectobac 12as (aqueous suspension), and bactimos wp (wettable powder formulation). both vectobac g and vectobac 12as were effective for 24 hr with more than 80% mortality. both vectobac formulations were significantly more effective than bactimos wp for 24 hr after treatment (p < 0.0005). a week after trea ... | 1997 | 9491362 |
| [anthropophilic behavior of aedes albopictus (skuse) (diptera: culicidae) in the vale do paraíba region, southeastern brazil]. | the epidemiological role of aedes albopictus has been investigated in the state of s. paulo by the study of its biological and ecological characteristics. the biting activity of ae.albopictus taking stationary and moving collectors as parameters, is determined. | 1997 | 9497558 |
| hemagglutinins in mosquitoes and their role in the immune response to brugia malayi (filarioidea:nematoda) larvae. | hemagglutinins were determined in six species of mosquitoes that are susceptible and refractory to brugia malayi (filarioidea: nematoda). high titers of hemagglutinins were found in the salivary gland extract and in the body fluid of a completely refractory species, aedes taeniorhynchus, and in partially refractory species, anopheles quadrimculatus but low levels of hemagglutinins were also present in the body fluid of aedes aegypti (black-eye, liverpool strain), a susceptible species. hemagglut ... | 1997 | 9505436 |
| identification of mayaro virus nucleocapsid protein in nucleus of aedes albopictus cells. | the modifications in the pattern of nuclear proteins of aedes albopictus cells in response to mayaro virus infection were analysed early and late after infection. the viral capsid (c) protein of 34 kda (p34) could be detected in the nuclear compartment 4 h after infection, soon after its synthesis in the cytoplasm. in addition to p34, a group of high molecular weight proteins was also present in this compartment late after infection. the exposition of infected cells to supra optimal temperature ... | 1997 | 9037738 |