| prevalence of specific ige to the storage mite, aleuroglyphus ovatus. | aleuroglyphus ovatus (ao) is a storage mite that has a worldwide distribution and has been found in stored bran, wheat, chicken meal, and dried fish products. ao was isolated from a chicken meal sample, cultured on whole wheat flour at 75% relative humidity, and 1 gm of pure ao bodies were extracted, 1:20 wt/vol, in 0.2 mol/l of ammonium bicarbonate. der p i, major allergen of dermatophagoides, pteronyssinus (dp), or der f i major allergen to dermatophagoides farinae (df), was not detected in ex ... | 1991 | 1918725 |
| [human pulmonary ascariasis in anhui province: an epidemiological survey]. | 924 subjects, 542 males and 382 females working in grainstoring, or herb-storing, from different parts of anhui province were examined for the possible existence of pulmonary acariasis. 49 cases(5.3%), 31 males and 18 females, were found positive for mites in their sputum. 83.7% of the sufferers aged 16-45. 22 out of the 22 out of the 49 sufferers developed a marked eosinophilia ranging from 4% to 48% and a count of 320-5,050/mm3, whereas x-ray films revealed varied degrees of widening lung hilu ... | 1990 | 2364504 |
| analyses of some mite antigens found in house dust and in food material. | antigen analyses by micro-ouchterlony, immunoelectrophoresis and passive hemagglutination tests were carried out on extracts from each of the following cultured mites: dermatophogoides farinae, dermatophogoides pteronyssinus, tyrophagus putrescentiae, aleuroglyphus ovatus and carpoglyphus lactis; and on an extract from the culture medium for each mite. antisera were raised against each extract or each medium in rabbits or in guinea pigs. up to 5 precipitin lines by micro-ouchterlony test and up ... | 1980 | 7277784 |
| a naturally occurring model of immunoglobulin e antibody-mediated hypersensitivity in laboratory animals. | a naturally occurring model of immunoglobulin e (ige) antibody-mediated hypersensitivity in canine and rhesus monkey species to environmental allergens is described. cutaneous responses to a dust mite mix (dermatophagoides farinae/pteronyssinus) and to four storage mite extracts (aleuroglyphus ovatus, blomia tropicalis, chortoglyphus sp., lepidoglyphus destructor) occurred in the canine species. rhesus monkeys had ige antibody-mediated hypersensitivity to dust mite on cutaneous challenge, but to ... | 1994 | 8201269 |
| mite allergy in the tropics: sensitization to six domestic mite species in cartagena, colombia. | sensitization to the domestic mites blomia tropicalis, chortoglyphus arcuatus, lepidoglyphus destructor and aleuroglyphus ovatus was investigated in 77 subjects with clinical symptoms of asthma and/or allergic rhinitis and a positive skin prick test (wheal > or = 3 mm) to dermatophagoides pteronyssinus and/or d. farinae. seventy patients were skin test-positive to d. pteronyssinus and 73 to d. farinae. serum samples from 29 nonallergic, skin test-negative individuals were used as negative contro ... | 1993 | 8281353 |
| sensitization to chortoglyphus arcuatus and aleuroglyphus ovatus in dermatophagoides spp. allergic individuals. | the prevalence of specific ige to the storage mites aleuroglyphus ovatus (ao) and chortoglyphus arcuatus (ca) was studied in 77 individuals with allergic asthma and/or chronic allergic rhinitis. all these individuals had a positive skin test (weal > or = 3 mm) to extracts of dermatophagoides pteronyssinus (dp) and/or dermatophagoides farinae (df). sera from 29 non-atopic individuals were used as controls. a rast was considered positive when a serum bound > or = 1% of the total counts added. the ... | 1993 | 8448678 |
| allergen-specific ige levels and mite allergen exposure in children with acute asthma first seen in an emergency department and in nonasthmatic control subjects. | sensitization to allergens has been shown to be a risk factor for adults with acute asthma first seen in the emergency department. | 1996 | 8757201 |
| mite sensitivity and exposure in the city of santa fe, argentina. | little information is available on mite allergen levels and rates of sensitization to domestic mites in south america. the purpose of this study was to establish the rate of sensitization to domestic mites in asthmatics and measure mite allergen levels in pillows and mattresses of mite allergic individuals in santa fe, argentina. dust samples were collected from the pillows and mattresses of 56 asthmatics (24 females and 32 males, mean age 17.6 +/- 11.5 years), who had been previously skin teste ... | 1996 | 8959537 |
| ige antibodies to aeroallergens in allergic children in são paulo, brazil. | the sensitization to inhaled allergens was studied in 80 brazilian children and 12 controls, aged 6 to 16 years. we performed skin tests with alternaria alternata, cat, dog, lolium perenne, grasses and the following domestic mites: blomia tropicalis, dermatophagoides pteronyssinus, dermatophagoides farinae, lepidoglyphus destructor, chortoglyphus arcutus and aleuroglyphus ovatus. the frequencies of positive skin tests (mean diameter > or = 23 mm) were respectively 15%, 11%, 11%, 6%, 7%, 95%, 92% ... | 1997 | 9330189 |
| acaroid mite, intestinal and urinary acariasis. | to investigate epidemiology and pathogenic mite species of intestinal and urinary acariasis in individuals with different occupations. | 2003 | 12679953 |
| [studies on the mites(order acarina) in korea: i. suborder sarcoptiformes] | acarid mites were isolated from samples collected in seoul during the period of october 1975 to august 1978. samples consisted of stored foods such as rice, flour, sugar, dried fishes, dusts of houses and freight offices. the identified mites were classified into 12 species belonging to 12 genera, 5 families as following lists, of which 4 species (*) are newly recorded in korea. family acaridae ewing and nesbitt, 1942 1. tyrophagus putrescentiae (schrank, 1781) 2. acarus siro linnaeus, 1758 *3. ... | 1980 | 12902723 |
| sequence tag catalogs of dust mite-expressed genomes: utility in allergen and acarologic studies. | dust mites are a major source of indoor allergens. they contain a large number of components that react with immunoglobulin (ig) e in individuals with allergies and are capable of inducing sensitization, and allergic respiratory and cutaneous diseases. with a significant proportion of the population affected in some way by mite allergies, it is essential that we improve our understanding of these organisms so that control strategies could be defined and its allergens better understood. thus, we ... | 2004 | 15651897 |
| sensitization and exposure to house dust and storage mites in high-altitude areas of ecuador. | few studies have addressed exposure and sensitization to mite allergens in andean countries. | 2006 | 17069110 |
| molecular and biochemical properties of storage mites (except blomia species). | in recent years, the allergological importance of different mite species not belonging to the family pyroglyphidae has been demonstrated. these mites, commonly named storage mites, include lepidoglyphus destructor, glycyphagus domesticus, tyrophagus putrescentiae, acarus siro, aleuroglyphus ovatus, suidasia medanensis and thyreophagus entomophagus. several allergens from these species have been purified, sequenced and cloned. many of these allergens have shown sequence homology and a biological ... | 2007 | 18220992 |
| morphological diagnosis of the eggs of stored-products mites. | eggs of 13 species of common, economically important stored-product pest mites (acarus siro, a. gracilis, tyrophagus putrescentiae, t. brevicrinatus, tyroborus lini, aleuroglyphus ovatus, caloglyphus redikorzevi, c. oudemansi, lepidoglyphus destructor, glycyphagus domesticus, aeroglyphus robustus, chortoglyphus arcuatus and carpoglyphus lactis) from four families (acaridae, glycyphagidae, chortoglyphidae, carpoglyphidae) were studied in order to build a diagnostic key. the morphological study de ... | 2009 | 19252823 |
| the importance of starch and sucrose digestion in nutritive biology of synanthropic acaridid mites: alpha-amylases and alpha-glucosidases are suitable targets for inhibitor-based strategies of mite control. | the adaptation of nine species of mites that infest stored products for starch utilization was tested by (1) enzymatic analysis using feces and whole mite extracts, (2) biotests, and (3) inhibition experiments. acarus siro, aleuroglyphus ovatus, and tyroborus lini were associated with the starch-type substrates and maltose, with higher enzymatic activities observed in whole mite extracts. lepidoglyphus destructor was associated with the same substrates but had higher activities in feces. dermato ... | 2009 | 19480003 |
| the effect of chitin metabolic effectors on the population increase of stored product mites. | the study tested the effect of the chitin metabolic effectors, teflubenzuron, diflubenzuron, and calcofluor, and a combination of a chitinase and soybean trypsin inhibitor (sti) on the population growth of eight species of stored product mites under laboratory conditions. the compounds were incorporated into the diets of the mites in concentrations ranging from 0.01 to 50 mg g(-1). the final populations of mites were observed after 21 days of growth in controlled conditions. diflubenzuron and ca ... | 2010 | 20229097 |
| comparative analyses of proteolytic activities in seven species of synanthropic acaridid mites. | microplate assays with 96 wells were optimized to screen proteolytic activities in mite homogenates. whole-mite extracts of acarus siro, aleuroglyphus ovatus, tyrophagus putrescentiae, tyroborus lini, carpoglyphus lactis, lepidoglyphus destructor, and dermatophagoides farinae exhibited non-specific proteolytic activity in buffers from ph 2 to 12, and three peaks of highest activity at ph 3, 5-6, and 10 were distinguished. the reducing agent tris(2-carboxyethyl)phosphine hydrochloride decreased g ... | 2010 | 20936642 |
| identification of astigmatid mites using its2 and coi regions. | identification of astigmatid mites based on their morphological characteristics is difficult because of the similarity of their organs, especially in immature mites. the ribosomal second internal transcribed spacer (its2) and the mitochondrial cytochrome oxidase subunit i (coi) regions are highly conserved in the eukaryotes and are usually used as barcodes. the its2 and coi regions of six species of astigmatid mites (aleuroglyphus ovatus, blomia tropicalis, dermatophagoides farinae, dermatophago ... | 2010 | 21072538 |
| Antigenic profile of Blomia tropicalis, Aleuroglyphus ovatus and Glycycometus malaysiensis. | House dust mites and storage mites are well-known causes for allergenic diseases. The aim of this study was to investigate the immunogenic sites of Blomia tropicalis, Aleurogyphus ovatus and Glycycometus malaysiensis. The mites were maintained in a culture medium at 25ºC and 75% relative humidity. Mites were harvested either with heat escape or floatation method, purified, homogenized, quantified and used for the production of polyclonal antibody and immunostaining. For each species of ... | 2011 | 22041741 |
| expression, cloning, and ige-binding of the full-length dust mite allergen der f 8. | dermatophagoides farinae, a domestic mite species, produces some of the most potent allergens that contribute to allergy in china and worldwide. we sought to clone and express the group 8 allergen of d. farinae (der f 8) to investigate its ige-binding reactivity. the full-length cdna encoding der f 8 was generated by using rt-pcr and 5' race, cloned into pcold-tf expression vector, confirmed by nucleotide sequencing, sub-cloned into pet-28b (+), and transfected into e. coli bl21 cells for expres ... | 2014 | 24838264 |
| potential of five brazilian populations of phytoseiidae (acari) for the biological control of bemisia tabaci (insecta: hemiptera). | biotype b of the whitefly, bemisia tabaci (gennadius) (hemiptera: aleyrodidae), causes considerable losses to growers worldwide. phytoseiid mites have been successfully used for the control of this pest in several countries. the brazilian phytoseiid fauna is very diverse and potentially useful for this purpose. the aim of this study was to evaluate five brazilian populations of phytoseiids as candidates for the control of the whitefly, a serious pest of different crops worldwide. evaluated speci ... | 2015 | 26470100 |
| potential of two populations of amblyseius swirskii (acari: phytoseiidae) for the control of bemisia tabaci biotype b (hemiptera: aleyrodidae) in brazil. | predatory mites of the family phytoseiidae are commercialized in european and north american countries for the control of whiteflies (insecta: aleyrodidae). amblyseius swirskii athias-henriot (acari: phytoseiidae) is one of the predators used for that purpose. this predator is not found in brazil and in many other countries, but its introduction could promote biological control of bemisia tabaci (gennadius) biotype b (silverleaf whitefly) in those countries. the aim of this study was to compare ... | 2015 | 26387112 |
| factitious food for mass production of predaceous phytoseiid mites (acari: phytoseiidae) commonly found in brazil. | phytoseiid mites are commonly used as biological control agents of mite and small insect pests. to facilitate the production of phytoseiids, alternative food sources have been evaluated. the aim of this study was to evaluate the suitability of different food sources for the rearing of the phytoseiids amblyseius tamatavensis blommers, euseius concordis (chant) and neoseiulus anonymus (chant and baker). this study evaluated the levels of oviposition of these predators when fed with 15 astigmatina ... | 2016 | 27631763 |
| suppressive potential of bean (phaseolus vulgaris) flour against five species of stored-product mites (acari: acarididae). | previous research has demonstrated that legume proteins have insecticidal activity against stored-product pests, but activity against stored-product mites has not been tested. a study was therefore conducted to explore the potential of bean, phaseolus vulgaris l., flour as novel botanical acaricide against five species of storage and dust mites: acarus siro l., aleuroglyphus ovatus (troupeau), caloglyphus redickorzevi (zachvatkin), lepidoglyphus destructor (schrank), and tyrophagus putrescentiae ... | 2007 | 17461087 |
| toxicity and efficacy of selected pesticides and new acaricides to stored product mites (acari: acaridida). | stored product mites can often infest stored products, but currently there is little information regarding the efficacy of pesticides that can be used for control. in this study we evaluated several common pesticides formulated from single active ingredients (a.i.) or commercially available mixtures (chlorpyrifos, deltamethrin, beta-cyfluthrin, and a combination of deltamethrin and s-bioallethrin), plus an acaricide composed of permethrin, pyriproxyfen and benzyl benzolate, for efficacy against ... | 2007 | 17674127 |
| [population dynamics and spatial distribution pattern of aleuroglyphus ovatus]. | to characterize the population dynamics and spatial distribution of aleuroglyphus ovatus in the flour warehouse, so as to provide the basic evidence for improving the sampling guidelines that are essential for effective pest monitoring and management. | 2016 | 29376285 |
| potential of astigmatid mites (acari: astigmatina) as prey for rearing edaphic predatory mites of the families laelapidae and rhodacaridae (acari: mesostigmata). | laelapidae and rhodacaridae are important families of edaphic predatory mites and species of these families have been considered for use in biological control programs of soil pests. mites of cohort astigmatina (acari: sarcoptiformes) have been largely used as factitious prey in the mass rearing of various edaphic or plant-inhabiting predatory mites. stratiolaelaps scimitus (womersley) (mesostigmata: laelapidae) (widely commercialized for the control of fungus gnats and thrips) and protogamasell ... | 2016 | 27115501 |
| sero-prevalence study of ige responses to allergens from malaysian house dust (hdm) and storage mites (sm). | allergens of dermatophagoides and blomia species are well-characterized but not for other species. this study was conducted to determine the prevalence of allergic sensitization to house dust (hdm) and storage mites (sm). one hundred adult subjects (aged ≥ 18) were recruited. the mite specific ige of all allergic subjects were higher compared with healthy subjetcs despite being not statistically significant except for d. farinae and g. malaysiensis. the mean serum ige levels against hdm and sm f ... | 2015 | 26695214 |
| diversity of house dust mite species in xishuangbanna dai, a tropical rainforest region in southwest china. | to survey the species diversity of home dust mites (hdm) in xishuangbanna, a tropical rainforest region in southwest china. | 2015 | 26064909 |
| the complete mitochondrial genome of the scab mite psoroptes cuniculi (arthropoda: arachnida) provides insights into acari phylogeny. | limited available sequence information has greatly impeded population genetics, phylogenetics and systematics studies in the subclass acari (mites and ticks). mitochondrial (mt) dna is well known to provide genetic markers for investigations in these areas, but complete mt genomic data have been lacking for many acari species. herein, we present the complete mt genome of the scab mite psoroptes cuniculi. | 2014 | 25052180 |
| the complete mitochondrial genome of the brown leg mite, aleuroglyphus ovatus (acari: sarcoptiformes): evaluation of largest non-coding region and unique trnas. | the circular mitochondrial genome (mitogenome) of aleuroglyphus ovatus was sequenced. it was 14,328 bp long, and consisted of 37 coding genes including 13 protein-coding genes, two ribosomal rna genes, and 22 transfer rna genes. this is the first description of the complete mitogenome of a species in the acaridae (acari: sarcoptiformes). the mtdna gene order for a. ovatus is identical to those of dermatophagoides farinae and d. pteronyssinus, but distinctly different from the mtdna of other acar ... | 2014 | 24777358 |
| complete mitochondrial genome of aleuroglyphus ovatus (acari: acaridae). | in this study, the complete mitochondrial genome (mitogenome) sequence of aleuroglyphus ovatus (acarinae: aleuroglyphus) was determined by long pcr and primer walking methods. the complete mitochondrial genome is 14,305 bp in length and contains 13 protein-coding genes, 2 ribosomal rna genes, 22 transfer rna genes as well as a displacement loop (d-loop). the overall base composition of the genome is a (23.61%), t (44.60%), c (13.03%) and g (18.76%) respectively. stop codon was missed for the cyt ... | 2016 | 24708126 |
| atopy patch test with aleuroglyphus ovatus antigen in patients with atopic dermatitis. | epicutaneous test made with dust mite antigens. | 2015 | 24628846 |
| cloning, bioinformatics analysis, and expression of the dust mite allergen der f 5 of dermatophagoides farinae. | crude extracts of house dust mites are used clinically for diagnosis and immunotherapy of allergic diseases, including bronchial asthma, perennial rhinitis, and atopic dermatitis. however, crude extracts are complexes with non-allergenic antigens and lack effective concentrations of important allergens, resulting in several side effects. dermatophagoides farinae (hughes; acari: pyroglyphidae) is one of the predominant sources of dust mite allergens, which has more than 30 groups of allergen. the ... | 2012 | 22584646 |
| effect of temperature on development and reproduction of neoseiulus barkeri (acari: phytoseiidae) fed on aleuroglyphus ovatus. | the effect of five constant temperatures (16, 20, 24, 28 and 32°c) on the development, survival and reproduction of neoseiulus barkeri hughes fed on aleuroglyphus ovatus toupeau (acari: acaridae) was examined in the laboratory at 85% relative humidity. development time of different immature stages decreased with increasing temperature, total egg-to-adult development time varied from 5.0 ± 0.13 to 17.5 ± 0.29 days. the lower thermal threshold for development was 9.7 ± 2.48°c and the thermal const ... | 2012 | 21792653 |
| molecular identification of house dust mites and storage mites. | mites are known causes of allergic diseases. currently, identification of mites based on morphology is difficult if only one mite is isolated from a (dust) sample, or when only one gender is found, or when the specimen is not intact especially with the loss of the legs. the purpose of this study was to use polymerase chain reaction-restriction fragment length polymorphism (pcr-rflp) of the its2 gene, to complement the morphological data for the identification of mites to the species level. for t ... | 2011 | 21468750 |
| molecular identification of pathogenic house dust mites using 12s rrna sequences. | house dust mites are microarthropods implicated in the cause of allergic diseases. currently, there is no phylogenetic analysis of dust mites based on genomic or mitochondrial dna (mtdna) evidence. for the first time, we report evolutionary relationships based on partial mtdna 12s rrna sequences among the four dust mite families pyroglyphidae (dermatophagoides pteronyssinus), glycyphagoidea (glycyphagus privatus), acaridae (aleuroglyphus ovatus), and echimyopodidae (blomia tropicalis). thirteen ... | 2005 | 16007695 |
| cutaneous sensitivity to six mite species in asthmatic patients from five latin american countries. | the prevalence of positive skin prick tests to the mite species dermatophagoides pteronyssinus, d. farinae, blomia tropicalis, chortoglyphus arcuatus, lepidoglyphus destructor and aleuroglyphus ovatus was determined in 297 asthmatic adults and children living in seven cities of five latin american countries. a standardized protocol and a common battery of extracts were used at each site. the mean wheal diameters were measured after 15 min, and those > or = 3 mm were considered positive. sensitiz ... | 2013 | 8298748 |
| proteinases in extracts of the storage mite, aleuroglyphus ovatus. | | 1992 | 1629500 |