Annales de parasitologie humaine et comparee最新文献

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Cuticular markings in species differentiation of Streptopharagus (Nematoda-Spiruroidea) parasitic in rodents 啮齿动物中寄生螺旋体线虫物种分化的表皮标记
Annales de parasitologie humaine et comparee Pub Date : 1993-01-01 DOI: 10.1051/PARASITE/199368149
G. Wertheim
{"title":"Cuticular markings in species differentiation of Streptopharagus (Nematoda-Spiruroidea) parasitic in rodents","authors":"G. Wertheim","doi":"10.1051/PARASITE/199368149","DOIUrl":"https://doi.org/10.1051/PARASITE/199368149","url":null,"abstract":"Species of Streptopharagus, parasitic in rodents, show a great similarity in cephalic structures of males and females and in male reproductive organs, making taxonomic separation difficult. In the present communication species are differentiated by cuticular morphology: the number (0-2) of longitudinal alae and the distribution of interstriai, irregularly spaced, short, longitudinal ridges.Two new species are discribed, 2-are rediscribed and some observations on cuticular markings are added to the original description of a fifth one. S. numidicus Seurat, 1917, parasitic in Gerbillus pyramidum and G. gerbillus in Africa, is characterized by absence of longitudinal alae and the presence of the interstriai ridges over the entire body. Pharynx looped.S. kutassi (Schulz, 1927) Chabaud, 1954, from Citellus fulvus and Meriones persicus in Iran, found also by Schulz in four species of sciurid rodents over an area extending from Ukraine to Central Asia (Turkmenistan), has one (left) longitudinal ala and interstriai ridges only in the anterior part of the body. Pharynx bent.S. lerouxi Quentin, 1965, parasitic in Tatera lobengulae in the Congo, has one (left) logitudinal ala and a cuticle devoid of interstrial ridges. Pharynx looped S. greenbergi n. sp., found in 12 species of murid and gerbillid rodents in southern Israel, in the Sinai peninsula and in Egypt, has two longitudinal alae and interstriai ridges only in the anterior part of the body. Pharynx bent.S. schmidti n. sp., found in Meriones persicus in Iran, is characterized by two lateral alae and absence of interstriai ridges. Pharynx bent.","PeriodicalId":72205,"journal":{"name":"Annales de parasitologie humaine et comparee","volume":"68 1","pages":"49-60"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1051/PARASITE/199368149","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57954162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Oswaldocruzia (Trichostrongyloidea) parasites d’amphibiens des collections du Muséum de Paris 巴黎博物馆收藏的两栖动物寄生虫Oswaldocruzia(毛圆线虫总科)
Annales de parasitologie humaine et comparee Pub Date : 1993-01-01 DOI: 10.1051/PARASITE/199368288
B. B. Slimane, M. Durette-Desset, A. Chabaud
{"title":"Oswaldocruzia (Trichostrongyloidea) parasites d’amphibiens des collections du Muséum de Paris","authors":"B. B. Slimane, M. Durette-Desset, A. Chabaud","doi":"10.1051/PARASITE/199368288","DOIUrl":"https://doi.org/10.1051/PARASITE/199368288","url":null,"abstract":"Les Oswaldocruzia parasites du tube digestif d’Amphibiens de France sont proches morphologiquement les uns des autres et ont ete confondus sous le nom de O. filiformis. Une deuxieme espece, O. bialata, a cependant ete separee par certains auteurs du fait que les ailes cervicales sont larges. Nous ne l’avons pas trouvee en France mais seulement en Europe centrale.Cependant, l’analyse plus detaillee du synlophe montre qu’il existe en realite, au moins quatre especes (donc deux nouvelles) qui se distinguent surtout par la forme et le nombre des cretes situees en face des champs lateraux, ces cretes formant les ailes cervicales.Les quatres especes se distinguent de la facon suivante :—O. bialata (Molin, 1861), qui sera redecrite ulterieurement, a des ailes cervicales tres enflees, en forme de demi-sphere et est depourvue de cretes dans la region œsophagienne.—O. filiformis (Goeze, 1782) a des ailes cervicales formees, chacune, par trois cretes laterales tres petites et possede des cretes dans la region œsophagienne.—O. duboisi n. sp. a des ailes cervicales formees, chacune, par trois cretes : une grosse crete triangulaire et deux petites et possede des cretes dans la region œsophagienne.—O. guyetanti a des ailes cervicales saillantes, en forme de vesicule triangulaire armees, chacune, d’une epine a leur pointe ; elle possede seulement des cretes dorsales dans la region œsophagienne.Les synlophes de O. filiformis et de O. duboisi sont tres polymorphes, ce qui est exceptionnel chez les Trichostrongles.A de rares exceptions pres, les Oswaldocruzia d’Europe occidentale ont une prevalence et un taux d’infestation faibles et les determinations des hotes figurant sur les etiquettes des tubes de collection ne correspondent plus a la nomenclature actuelle. Il est donc actuellement difficile de preciser la repartition geographique et le spectre d’hotes de chacune des especes.","PeriodicalId":72205,"journal":{"name":"Annales de parasitologie humaine et comparee","volume":"68 1","pages":"88-100"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1051/PARASITE/199368288","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57954235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Redescription of the tail and fin folds of Echinostoma revolutum cercariae from its type locality (Trematoda : Echinostomatidae) 从其类型地区对革命棘孔虫尾蚴尾鳍的再描述(吸虫目:棘孔虫科)
Annales de parasitologie humaine et comparee Pub Date : 1993-01-01 DOI: 10.1051/PARASITE/1993683125
I. Kanev, U. Eisenhut, M. O. D. Núñez, M. Gonzalez, D. Tzolov, V. Dimitrov, V. Radev
{"title":"Redescription of the tail and fin folds of Echinostoma revolutum cercariae from its type locality (Trematoda : Echinostomatidae)","authors":"I. Kanev, U. Eisenhut, M. O. D. Núñez, M. Gonzalez, D. Tzolov, V. Dimitrov, V. Radev","doi":"10.1051/PARASITE/1993683125","DOIUrl":"https://doi.org/10.1051/PARASITE/1993683125","url":null,"abstract":"From its type locality in Germany, Echinostoma revolutum (Froelich, 1802) Dietz, 1909 have cercariae with long cylindrical tails, and typical slender finger-like tips. The tail surface bears seven independent fin folds arranged in three pairs : proximal dorso-ventral, distal dorso-ventral and ventro-lateral pairs, plus a single small papilla-like fold. Previous descriptions are inadequate due to incorrect interpretations or incomlete descriptions of the nature of the cercarial fin folds.","PeriodicalId":72205,"journal":{"name":"Annales de parasitologie humaine et comparee","volume":"274 1","pages":"125-127"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1051/PARASITE/1993683125","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57954349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Redescription de la femelle et description de l'œuf de Nemopalpus flavus Macquart, 1838 (Bruchomyinae, Psychodidae, Diptera). Affinités avec les phlébotomes 黄斑Nemopalpus Macquart, 1838 (Bruchomyinae, Psychodidae,双翅目)雌性的重新描述和卵的描述。与静脉瘤的亲和力
Annales de parasitologie humaine et comparee Pub Date : 1993-01-01 DOI: 10.1051/PARASITE/1993683154
N. Léger, B. Pesson, H. Ferté, H. Gijon-Botella, F. Morilla-Marquez
{"title":"Redescription de la femelle et description de l'œuf de Nemopalpus flavus Macquart, 1838 (Bruchomyinae, Psychodidae, Diptera). Affinités avec les phlébotomes","authors":"N. Léger, B. Pesson, H. Ferté, H. Gijon-Botella, F. Morilla-Marquez","doi":"10.1051/PARASITE/1993683154","DOIUrl":"https://doi.org/10.1051/PARASITE/1993683154","url":null,"abstract":"Description de la femelle (avec dessins) et de l’oeuf (avec photographies en microscopie electronique a balayage) de Nemopalpus flavus Macquart, 1838.Les deux sexes ont ete captures a Tenerife (Canaries) en 1991-1992. Les caracteres observes permettent de confirmer que les Bruchomyinae constituent le groupe frere des Phlebotominae.","PeriodicalId":72205,"journal":{"name":"Annales de parasitologie humaine et comparee","volume":"68 1","pages":"154-160"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1051/PARASITE/1993683154","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57954770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Utilisation de l'indicateur végétal pour la cartographie d'une tique exophile à l'échelle de la France: exemple d'Ixodes ricinus (Linné, 1758), vecteur de la borréliose de Lyme 利用植物指标绘制法国尺度上的嗜外蜱:以蓖麻硬蜱(linne, 1758)为例,它是莱姆病的载体
Annales de parasitologie humaine et comparee Pub Date : 1993-01-01 DOI: 10.1051/PARASITE/1993684188
B. Doche, B. Gilot, B. Degeilh, J. Pichot, C. Guiguen
{"title":"Utilisation de l'indicateur végétal pour la cartographie d'une tique exophile à l'échelle de la France: exemple d'Ixodes ricinus (Linné, 1758), vecteur de la borréliose de Lyme","authors":"B. Doche, B. Gilot, B. Degeilh, J. Pichot, C. Guiguen","doi":"10.1051/PARASITE/1993684188","DOIUrl":"https://doi.org/10.1051/PARASITE/1993684188","url":null,"abstract":"Ixodes ricinus est, en Europe occidentale, le classique vecteur de plusieurs maladies animales ou humaines. La derniere entite nosologique liee a cette espece, mise en evidence, est la borreliose de Lyme, dont la repartition est mal connue. Pour delimiter les territoires favorables a la genese de la maladie, il faut avoir une vision d’ensemble de la distribution de l’acarien. Il s’agit d’une espece exophile principalement sylvicole.Pour cartographier l’espece en France, nous avons elabore une methode reposant sur l’utilisation de l’indicateur vegetal. Les etapes de la methode (du zonage a l’echantillonnage de la tique) sont presentees : zonage phyto-ecologique du territoire fonde sur l’utilisation des cartes de vegetation a petite et moyenne echelles, choix des unites de vegetation – etages et series –, designation des sites de prospection, utilisation standardisee de la technique du drapeau.Quelques resultats sont analyses pour montrer l’interet et les limites de la methode. Ainsi, dans le quart sud-ouest de la France ou les series de vegetation sont bien individualisees, la frequence de l’acarien se revele tres variable d’une serie a l’autre. Dans ces conditions, la vegetation joue pleinement son role indicateur et les resultats obtenus refletent bien la variabilite ecologique manifestee par la vegetation. Par contre, dans le Massif Armoricain, la plus grande uniformite des conditions ecologiques se traduit par des series moins bien individualisees et par des populations de tiques distribuees plus uniformement. L’indicateur vegetal est alors d’un interet plus limite.","PeriodicalId":72205,"journal":{"name":"Annales de parasitologie humaine et comparee","volume":"68 1","pages":"188-195"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1051/PARASITE/1993684188","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57955526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Survival of first-stage Neostrongylus linearis larvae in ovine faeces under environmental conditions in Galicia (north-west Spain). 加利西亚(西班牙西北部)环境条件下绵羊粪便中第一阶段线性新圆线虫幼虫的存活。
Annales de parasitologie humaine et comparee Pub Date : 1993-01-01 DOI: 10.1051/parasite/199368138
M Prieto-Novoa, P Morrondo-Pelayo, C Lopez-Sandez, P Diez-Baños
{"title":"Survival of first-stage Neostrongylus linearis larvae in ovine faeces under environmental conditions in Galicia (north-west Spain).","authors":"M Prieto-Novoa,&nbsp;P Morrondo-Pelayo,&nbsp;C Lopez-Sandez,&nbsp;P Diez-Baños","doi":"10.1051/parasite/199368138","DOIUrl":"https://doi.org/10.1051/parasite/199368138","url":null,"abstract":"<p><p>A study was made on the survival of first larval stage of Neostrongylus linearis, from November 1990 to October 1991, under natural conditions in an inland locality in Galicia (North-West Spain). The faeces were obtained from a sheep naturally infected with this nematode. Once a month, faeces were placed on a 0.5 x 0.5 m plot, in natural conditions, until we had 12 deposits. Samplings were done weekly until there was no more faecal matter in the plots. Larval survival was determined using the Baermann migration technique, and we calculated the number of larvae per gram after the transformation of the weight of the faecal sample, in order to discard weight variations owing to climatic conditions. Over the whole period of this study, the percentages of larval survival in the faeces of the 12 deposits changed from the first week onwards. In those samples that were left in the pasture more than three weeks, survival was less than 50%. After the seventh week only very small numbers of active N. linearis larvae were obtained. We observed a positive influence of relative humidity on survival during the first week's presence of the faeces in the pasture. In the same way, a statistically significant negative correlation was proved between larval survival in faeces and temperatures during the first three weeks post-deposit.</p>","PeriodicalId":72205,"journal":{"name":"Annales de parasitologie humaine et comparee","volume":"68 1","pages":"38-42"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1051/parasite/199368138","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19475102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Comparative population biology of fish digenes : The case of 3 Helicometra (Trematoda, Opecoelidae) mesoparasites of marine teleosts in a mediterranean lagoon 鱼类基因的比较种群生物学:地中海泻湖海洋硬骨鱼中3种螺纹鱼(水螅目,硬骨鱼科)中寄生虫的案例
Annales de parasitologie humaine et comparee Pub Date : 1993-01-01 DOI: 10.1051/PARASITE/1993683128
J. Reversat, P. Silan
{"title":"Comparative population biology of fish digenes : The case of 3 Helicometra (Trematoda, Opecoelidae) mesoparasites of marine teleosts in a mediterranean lagoon","authors":"J. Reversat, P. Silan","doi":"10.1051/PARASITE/1993683128","DOIUrl":"https://doi.org/10.1051/PARASITE/1993683128","url":null,"abstract":"In the Etang de Thau (Herault, France), three species of Helicometra parasitize in their adult stage the digestive tract of the black goby Gobius niger, the grass goby Zosterisessor ophiocephalus, the grey wrasse Symphodus cinereus, and the common eel Anguilla anguilla (Teleostei). These fish act as definitive hosts in the biological cycle of these platyhelminths. Also H. gobii exists in G. niger, Z. ophiocephalus, S. cinereus and A. anguilla ; H. fasciata is found in G. niger ; and H. pulchella is only found in S. cinereus. In the case of the two gobies and the eel, these three congeneric digenes sometimes coexist in the same infracommunity. Spatio-temporal analysis of these different populations has enabled : 1) detection of seasonal variations in their structure, 2) identification of the relationships between the nature of their specificity and demographic strategy, and 3) the global absence of statistical dependence between the intensities of different species in the same infracommunity to be show. Implications arising from previous research concerning the demographic behaviour of these trematodes in their first intermediate host (mollusc compartment), were taken into account when interpreting structures observed in the definitive hosts. The problems of coexistence between these species, which are taxonomically very close in the same parasite community, and the under-lying speciation mechanisms are discussed in the light of population structuration.","PeriodicalId":72205,"journal":{"name":"Annales de parasitologie humaine et comparee","volume":"68 1","pages":"128-135"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1051/PARASITE/1993683128","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57954651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
OVIPOSITION IN BOOPHILUS MICROPLUS INFECTED ARTIFICIALLY WITH BABESIA BOVIS AND NATURALLY WITH B. BOVIS AND BABESIA BIGEMINA 人工感染牛巴贝斯虫、自然感染牛巴贝斯虫和双生巴贝斯虫的微乳杆菌的产卵
Annales de parasitologie humaine et comparee Pub Date : 1993-01-01 DOI: 10.1051/PARASITE/1993684196
M. Cafrune, D. Aguirre, A. Mangold, A. Guglielmone
{"title":"OVIPOSITION IN BOOPHILUS MICROPLUS INFECTED ARTIFICIALLY WITH BABESIA BOVIS AND NATURALLY WITH B. BOVIS AND BABESIA BIGEMINA","authors":"M. Cafrune, D. Aguirre, A. Mangold, A. Guglielmone","doi":"10.1051/PARASITE/1993684196","DOIUrl":"https://doi.org/10.1051/PARASITE/1993684196","url":null,"abstract":"Ten Boophilus microplus engorged females (GI) (average weight 327.7 mg), with induced Babesia bovis infection (0.2 to 20.5 kinetes per microscope field of haemolymph on day 5 from detachment) were monitored for egg production. Egg output was also measured in 20 engorged females ticks (GII) (average weight 327.2 mg) free of B. bovis and in 11 B. microplus (GUI) (average weight 211.5 mg) found naturally infected with B. bovis and Babesia bigemina (0.1 to 14.9 kinetes per microscope field of haemolymph) on day 5 from collection. All ticks were held in darkness at 27 ± 1° C, 83-86 % relative humidity.The pre-oviposition period in GI was 2.4 ± 0.52 days and 3.1 ± 0.37 days in GII (P  » test). The Reproductive Efficiency Index (REI) (number of eggs laid/tick weight) was 5.75 ± 2.239 and 12.86 ± 1.340 for GI and GII, respectively (P 0.05) and - 0.0855 (P > 0.05) in GIII. Adaptive tolerance between B. microplus and Babesia, probably occurs under natural conditions.","PeriodicalId":72205,"journal":{"name":"Annales de parasitologie humaine et comparee","volume":"68 1","pages":"196-198"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1051/PARASITE/1993684196","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"57955334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Nonspecific immunomodulation influences the course and location of Cryptosporidium parvum infection in neonatal BALB/c mice. 非特异性免疫调节影响新生BALB/c小鼠小隐孢子虫感染的过程和部位。
Annales de parasitologie humaine et comparee Pub Date : 1993-01-01 DOI: 10.1051/parasite/19936813
B Koudela, J Hermánek
{"title":"Nonspecific immunomodulation influences the course and location of Cryptosporidium parvum infection in neonatal BALB/c mice.","authors":"B Koudela,&nbsp;J Hermánek","doi":"10.1051/parasite/19936813","DOIUrl":"https://doi.org/10.1051/parasite/19936813","url":null,"abstract":"<p><p>The influence of nonspecific immunomodulation with Thymomodulin (a calf thymic extract with immunomodulatory activity) and hydrocortisone on the course and location of Cryptosporidium parvum infection in neonatal BALB/c mice (infected with 10(6) or 10(5) oocysts on day 7 of life) was studied using scanning electron microscopy of the inner surface of different parts of intestine. Daily peroral treatment of suckling mice with 20 mg/kg/day of Thymomodulin for 5 days before inoculation resulted in an earlier peak and earlier termination of cryptosporidial infection when compared with control infected mice. On the other hand, peroral administration of 25 mg/kg of hydrocortisone every second day led to the persistence of cryptosporidial infection in the ileum of immunosuppressed mice until the end of observation (day 15 post infection), whereas only transient infection was observed in the intestine of control infected mice. The location of infection was also altered in hydrocortisone--treated mice--the severe infection was observed in more proximal parts of the intestine (anterior and middle jejunum), whereas no cryptosporidia were found in these parts of the intestine in nontreated infected mice.</p>","PeriodicalId":72205,"journal":{"name":"Annales de parasitologie humaine et comparee","volume":"68 1","pages":"3-10"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1051/parasite/19936813","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19475100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
[Schizogony of Plasmodium yoelii nigeriensis. Role of latent merozoites]. 尼日利亚约利氏疟原虫的分裂性。潜伏分裂子的作用[j]。
Annales de parasitologie humaine et comparee Pub Date : 1993-01-01 DOI: 10.1051/parasite/1993685211
A Beauté-Lafitte, A Chabaud, V Altemayer-Caillard, E Deharo, P Gautret, I Landau
{"title":"[Schizogony of Plasmodium yoelii nigeriensis. Role of latent merozoites].","authors":"A Beauté-Lafitte,&nbsp;A Chabaud,&nbsp;V Altemayer-Caillard,&nbsp;E Deharo,&nbsp;P Gautret,&nbsp;I Landau","doi":"10.1051/parasite/1993685211","DOIUrl":"https://doi.org/10.1051/parasite/1993685211","url":null,"abstract":"<p><p>Several procedures were employed to try to specify the schizogonic cycle of Plasmodium yoelii nigeriensis. The Percoll-glucose gradient technique for concentrating the very young stages (rings and young trophozoites), allowing a very precise follow up of the development of the parasitaemia during the first schizogonic cycles. A method for studying the prepatencies, providing an approximation of the number of merozoites inoculated. A comparison between the numbers of merozoites present in the blood, after--firstly simple dilutions in saline, revealing the total number of merozoites,--secondly dilutions in saline after a passage of a few hours in the organism of a mouse, revealing the number of latent merozoites. It was shown that the infection, during the first two cycles, varies according to the time of inoculation. In all cases the increase of the parasitaemia occurred mainly from 00:01 to 06:00. This increase of parasitaemia in mice inoculated with the Percoll concentrated parasites was significantly high during the first cycle in mice inoculated at 06:00 and 09:00 and during the second cycle in those inoculated at 12:00, 15:00 and 18:00. However, differences were rapidly compensated and parasitaemias became comparable at the 3rd or 4th cycle when they ceased to be dependent on the time of inoculation.</p>","PeriodicalId":72205,"journal":{"name":"Annales de parasitologie humaine et comparee","volume":"68 5-6","pages":"211-9"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1051/parasite/1993685211","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19146365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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