Journal of Helminthology最新文献_第7页

The occurrence of Corynosoma strumosum in the grey seal, Halichoerus grypus, caught off the Atlantic coast of Ireland 在爱尔兰大西洋沿岸捕获的灰海豹（Halichoerus grypus）体内出现的 Corynosoma strumosum

IF 1.6 3区生物学

Journal of Helminthology Pub Date : 2024-04-12 DOI: 10.1079/joh2002117

G. O'Neill, J. Whelan

引用次数: 0

Changes in hepatic lipids of mice infected with cysticerci of Taenia crassiceps 小鼠肝脂质在感染克氏疟原虫囊尾蚴后的变化

IF 1.6 3区生物学

Journal of Helminthology Pub Date : 2024-04-12 DOI: 10.1017/s0022149x00700927

I. Corbin, M. Novak, B.J. Blackburn

引用次数: 0

Rodents as reservoir hosts in the transmission of Schistosoma mansoni in Richard-Toll, Senegal, West Africa 啮齿动物是西非塞内加尔理查德-托尔地区曼氏血吸虫传播的蓄积宿主

IF 1.6 3区生物学

Journal of Helminthology Pub Date : 2024-04-12 DOI: 10.1017/s0022149x00700794

J.M. Duplantier, M. Sène

{"title":"Rodents as reservoir hosts in the transmission of Schistosoma mansoni in Richard-Toll, Senegal, West Africa","authors":"J.M. Duplantier, M. Sène","doi":"10.1017/s0022149x00700794","DOIUrl":"https://doi.org/10.1017/s0022149x00700794","url":null,"abstract":"More than 2000 animals belonging to six different rodent species and one insectivore species were examined for infection with schistosomes in the region of Richard-Toll, Senegal. Two murid rodents, Arvicanthisniloticus and Mastomyshuberti, were found infected with Schistosomamansoni. Prevalences were about 5% for both rodent species with a mean worm burden of about 20 worms per host. The sex-ratios of S.mansoni worms were always biased towards males. Prevalences and worm burdens, although similar in both male and female rodents, increased significantly with age. The highest prevalences and worm burdens were found near habitations and decreased significantly with the distance from the town of Richard-Toll. Eggs were also observed in the liver and faeces of the two naturally infected rodent species. The results suggest that rodents participate in the transmission of intestinal schistosomiasis in Richard-Toll but the human population is the main source of infection. The genetic resemblance between human and murine isolates of S. mansoni suggests that further epidemiological studies are needed in this region of Senegal.","PeriodicalId":15928,"journal":{"name":"Journal of Helminthology","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140587633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The potential role of habitat on intestinal helminths of mountain hares, Lepus timidus 栖息地对山兔肠道蠕虫的潜在作用

IF 1.6 3区生物学

Journal of Helminthology Pub Date : 2024-04-12 DOI: 10.1017/s0022149x00701520

I.A.R. Hulbert, B. Boag

{"title":"The potential role of habitat on intestinal helminths of mountain hares, Lepus timidus","authors":"I.A.R. Hulbert, B. Boag","doi":"10.1017/s0022149x00701520","DOIUrl":"https://doi.org/10.1017/s0022149x00701520","url":null,"abstract":"Over the last century in the uplands of Scotland, the extent of heather moorland which supports high densities of mountain hares Lepus timidus has diminished and has gradually been replaced by large-scale commercial forestry plantations or expanding natural woodlands. The potential impact of such a change in land use on host–parasite interactions was investigated by comparing the intensity and prevalence of infection of hares by parasites in two separate habitats: a large hare-fenced young forestry plantation and the adjacent open moorland. Carcasses were collected in November 1990 from within both habitats and after the woodland had been enclosed for nine months. Age, sex, fatness (kidney fat index) and degree of infection of hares were noted. Two parasites were recorded: the nematode Trichostrongylus retortaeformis and the cestode Mosgovoyia pectinata. Clear differences in the intensity of infection of adults occupying the different habitats had occurred in the nine months since woodland enclosure. Adult mountain hares in the woodland had levels of infections approaching four times that observed in hares occupying the open moorland and although not significant, the prevalence of infection was greater in hosts inhabiting the woodland than the open moorland. It is suggested that the parasite–host relationship differs between the two habitats and as heather-dominated moorland landscapes become more fragmented with the increasing establishment of woodlands, the impact of parasites on the life history strategies of mountain hares needs to be reconsidered.","PeriodicalId":15928,"journal":{"name":"Journal of Helminthology","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140579380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The life cycle and transmission dynamics of the larval stages of Hypoderaeum conoideum 芋蝇幼虫的生命周期和传播动力学

IF 1.6 3区生物学

Journal of Helminthology Pub Date : 2024-04-12 DOI: 10.1017/s0022149x0070085x

C. Muñoz-Antolí, R. Toledo, J.G. Esteban

引用次数: 0

Regional specializations of the tegument of the metacercaria of Timoniella imbutiforme imbutiforme 蒂莫尼氏菌甲壳的区域特化

IF 1.6 3区生物学

Journal of Helminthology Pub Date : 2024-04-12 DOI: 10.1017/s0022149x00700095

H.E.M. El-Darsh, P.J. Whitfield

引用次数: 0

Effects of anthelmintics on the development of eggs of Angiostrongylus costaricensis in vitro 抗蠕虫药对成本角闪尾蛛卵体外发育的影响

IF 1.6 3区生物学

Journal of Helminthology Pub Date : 2024-04-12 DOI: 10.1017/s0022149x00701532

A. Ishih, M. Yanoh, C. Ikeya, A. Ban, M. Terada

引用次数: 0

Comparison of IgG3 responses to carbohydrates following mouse infection or immunization with six species of Trichinella 比较小鼠感染或免疫六种毛线虫后对碳水化合物的 IgG3 反应

IF 1.6 3区生物学

Journal of Helminthology Pub Date : 2024-04-12 DOI: 10.1017/s0022149x00700939

M.A. Dea-Ayuela, A.R. Martinez-Fernandez, F. Bolas-Fernandez

{"title":"Comparison of IgG3 responses to carbohydrates following mouse infection or immunization with six species of Trichinella","authors":"M.A. Dea-Ayuela, A.R. Martinez-Fernandez, F. Bolas-Fernandez","doi":"10.1017/s0022149x00700939","DOIUrl":"https://doi.org/10.1017/s0022149x00700939","url":null,"abstract":"The IgG3 antibody responses to carbohydrate epitopes were compared in BALB/c mice infected or immunized with six species of Trichinella: T. spiralis (T1), T. nativa (T2), T. britovi (T3), T6, T. nelsoni (T7), and T8. The dynamics of IgG3 responses and antigen recognition following infection or immunization were measured by ELISA and Western blot respectively, using glycosylated and deglycosylated larval crude extracts (LCE) prepared from homologous isolates. A high degree of protein glycosylation was found in all species and with similar profiles. Deglycosylation was completely achieved only in LCE from T1 and T6 isolates. The dynamics of IgG3 responses following infection or immunization significantly differed whereas the antigen recognition profiles appeared similar. Variations in the levels and antigen recognition patterns of IgG3 among the different species were apparent. The highest IgG3 levels were recorded in infections by the T8 isolate and the lowest in infections by the T6 isolate, whereas for immunization the highest IgG3 response was induced by T7 and the lowest by T8. Following antigen deglycosylation, the IgG3 responses were significantly reduced or abrogated and the recognition patterns markedly modified or suppressed in the different species of Trichinella.","PeriodicalId":15928,"journal":{"name":"Journal of Helminthology","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140587354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of a 100 metacercarial cyst inoculum on the host–parasite relationship of Echinostoma caproni and ICR mice 100 个蛔虫囊蚴接种体对棘尾虫和 ICR 小鼠宿主寄生关系的影响

IF 1.6 3区生物学

Journal of Helminthology Pub Date : 2024-04-12 DOI: 10.1017/s0022149x00701490

C.D. Balfour, M. Rossi, B. Fried

{"title":"Effects of a 100 metacercarial cyst inoculum on the host–parasite relationship of Echinostoma caproni and ICR mice","authors":"C.D. Balfour, M. Rossi, B. Fried","doi":"10.1017/s0022149x00701490","DOIUrl":"https://doi.org/10.1017/s0022149x00701490","url":null,"abstract":"The host–parasite relationship of a 100 metacercarial cyst inoculum of Echinostoma caproni in the ICR mouse was examined. Three groups of mice, A, B and C, each with six mice per group were used and all mice were necropsied at 14 days postinfection (p.i.), at which time the worms were ovigerous. Group A consisted of uninfected controls, whereas group B received 25 cysts per mouse (low dose) and group C received 100 cysts per mouse (high dose). There was no significant difference in food consumption between any of the groups from 0 to 14 days p.i. Control mice increased their body weight by 12%, group B by 5%, and group C showed a less than 1% increase in body weight between 0 and 14 days p.i. Echinostome parasitism caused a significant increase in the diameter of the mouse gut, with the gut of group C being more significantly dilated than that of either group A or B. The average worm recovery from group B was 20 worms per host, compared to 72 worms per host from group C. The mean wet and dry weights per worm from group B were 2.4 and 0.4 mg, respectively as compared to 0.6 and 0.2 mg respectively for group C. The mean number of uterine eggs per worm from group B was 180 compared to 125 for worms from group C. Worms from group C were more widely distributed in the small intestine than those from group B. Crowding effects associated with the high dose infection were clearly demonstrated in E. caproni from ICR mice.","PeriodicalId":15928,"journal":{"name":"Journal of Helminthology","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140587408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Pomphorhynchus heronensis and restricted movement of Lutjanus carponotatus on the Great Barrier Reef 大堡礁上的庞氏海龙和鲤鱼的活动受限

IF 1.6 3区生物学

Journal of Helminthology Pub Date : 2024-04-12 DOI: 10.1017/s0022149x00700071

T.H. Cribb, G.R. Anderson, A.D.M. Dove

引用次数: 0