{"title":"First Report of <i>Aphelenchoides Bicaudatus</i> (Imamura, 1931) Filipjev and Schuurmans Stekhoven, 1941 Associated with Grass in South Africa.","authors":"E Shokoohi, N A G Moyo","doi":"10.2478/helm-2022-0035","DOIUrl":null,"url":null,"abstract":"<p><p><i>Aphelenchoides bicaudatus</i> associated with grass in South Africa was identified morphologically and molecularly. This population is characterized by a body length of 409 - 529 μm, a stylet length of 9.5 - 13 μm, a post-vulval uterine sac of 45 - 50 μm, and the characteristic tail bifurcated at the end with one prong longer than the other. Molecular analyses based on the 18S and ITS rDNA data confirmed the primary morphological identification of the <i>A. bicaudatus</i> species. The obtained phylogenetic trees revealed a close positioning of the South African population to other representatives of <i>A. bicaudatus</i> with the maximum (1.00) posterior probability value. Principal component analysis (PCA) also indicated a variation within the populations of <i>A. bicaudatus</i>. This is the first report of <i>A. bicaudatus</i> from South Africa.</p>","PeriodicalId":55061,"journal":{"name":"Helminthologia","volume":"59 4","pages":"414-423"},"PeriodicalIF":1.1000,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/f0/b1/helm-59-414.PMC9979064.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Helminthologia","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.2478/helm-2022-0035","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PARASITOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Aphelenchoides bicaudatus associated with grass in South Africa was identified morphologically and molecularly. This population is characterized by a body length of 409 - 529 μm, a stylet length of 9.5 - 13 μm, a post-vulval uterine sac of 45 - 50 μm, and the characteristic tail bifurcated at the end with one prong longer than the other. Molecular analyses based on the 18S and ITS rDNA data confirmed the primary morphological identification of the A. bicaudatus species. The obtained phylogenetic trees revealed a close positioning of the South African population to other representatives of A. bicaudatus with the maximum (1.00) posterior probability value. Principal component analysis (PCA) also indicated a variation within the populations of A. bicaudatus. This is the first report of A. bicaudatus from South Africa.
期刊介绍：
Helminthologia (HELMIN), published continuously since 1959, is the only journal in Europe that encompasses the individual and collaborative efforts of scientists working on a different topics of human, veterinary and plant helminthology. The journal responsibility is to enrich the theoretical and practical knowledge in very specific areas and thus contribute to the advancements in human and veterinary medicine and agronomy. Taking the advantage of comprehensive and multidisciplinary approaches journal still maintains its original spirit and is principal source of fresh scientific information regarding helminths, endoparasites and plant parasites. Addressing the most up-to date topics journal gained rightful and exceptional place next to the other high-quality scientific journals publishing in its field.
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