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Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification
Gu, Zemao; Wang, Jianguo; Li, Ming; Zhang, Jinyong; Ke, Xiaoli; Gong, Xiaoning; Wang, JG, Chinese Acad Sci, Inst Hydrobiol, Res Ctr Fisheries Biotechnol, Wuhan 430072, Peoples R China
2007-08-01
Source PublicationPARASITOLOGY RESEARCH
ISSN0932-0113
Volume101Issue:3Pages:723-730
AbstractBlood smears and purified trypanosome from freshwater fishes yellow catfish (Pseudobagras fulvidraco) and common carp (Cyprinus carpio) captured from Niushan Lake, Hubei Province were examined to determine whether all of their trypanosomes were Trypanosoma pseudobagri, a species of supposed host specificity and widespread existence across China. Trypanosomes occurred in 16/16 blood smears, and morphometric character analysis of trypanosomes from these smears showed that there were three morphospecies, Trypanosoma sp Carpio, T. sp Pseudobagri, and T. sp. 18S rDNA sequences of trypanosomes from 16 samples revealed three genetic groups among these fish trypanosomes. Group 1 was from C. carpio containing T. sp Carpio; groups 2 and 3 were from P. fulvidraco containing T. sp Pseudobagri and T. sp, respectively. The high similarity of morphometric characters and 18S rDNA sequences showed that T. sp Carpio and T. siniperca probably were the same species. T. sp Pseudobagri was the first occurrence in China. Sequence comparison showed that T. sp Pseudobagri sequence was most similar to that of clone Marv, whereas T. sp sequence differ from those of T. sp Carpio and T. sp Pseudobagri by 5.4 and 5.8%, respectively, and tentatively identified as T. pseudobagri. It was concluded that three species of trypanosomes, at least three genotypes occur in Niushan Lake fishes, and P. fulvidraco in this region appear to contain both types, although the identification of T. pseudobagri remains a problem.; Blood smears and purified trypanosome from freshwater fishes yellow catfish (Pseudobagras fulvidraco) and common carp (Cyprinus carpio) captured from Niushan Lake, Hubei Province were examined to determine whether all of their trypanosomes were Trypanosoma pseudobagri, a species of supposed host specificity and widespread existence across China. Trypanosomes occurred in 16/16 blood smears, and morphometric character analysis of trypanosomes from these smears showed that there were three morphospecies, Trypanosoma sp Carpio, T. sp Pseudobagri, and T. sp. 18S rDNA sequences of trypanosomes from 16 samples revealed three genetic groups among these fish trypanosomes. Group 1 was from C. carpio containing T. sp Carpio; groups 2 and 3 were from P. fulvidraco containing T. sp Pseudobagri and T. sp, respectively. The high similarity of morphometric characters and 18S rDNA sequences showed that T. sp Carpio and T. siniperca probably were the same species. T. sp Pseudobagri was the first occurrence in China. Sequence comparison showed that T. sp Pseudobagri sequence was most similar to that of clone Marv, whereas T. sp sequence differ from those of T. sp Carpio and T. sp Pseudobagri by 5.4 and 5.8%, respectively, and tentatively identified as T. pseudobagri. It was concluded that three species of trypanosomes, at least three genotypes occur in Niushan Lake fishes, and P. fulvidraco in this region appear to contain both types, although the identification of T. pseudobagri remains a problem.
SubtypeArticle
KeywordGadus-morhua L. Okavango Delta Redescription Piscicolidae Phylogeny Sequences Botswana Atlantic Blood Cod
DepartmentChinese Acad Sci, Inst Hydrobiol, Res Ctr Fisheries Biotechnol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Wuhan 430072, Peoples R China; Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Lab Hlth Aquaculture, Wuhan 430072, Peoples R China
Subject AreaParasitology
DOI10.1007/s00436-007-0536-5
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaParasitology
WOS SubjectParasitology
WOS IDWOS:000248190500032
WOS KeywordGADUS-MORHUA L. ; OKAVANGO DELTA ; REDESCRIPTION ; PISCICOLIDAE ; PHYLOGENY ; SEQUENCES ; BOTSWANA ; ATLANTIC ; BLOOD ; COD
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8512
Collection期刊论文
Corresponding AuthorWang, JG, Chinese Acad Sci, Inst Hydrobiol, Res Ctr Fisheries Biotechnol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Res Ctr Fisheries Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Wuhan 430072, Peoples R China
3.Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, Lab Hlth Aquaculture, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Gu, Zemao,Wang, Jianguo,Li, Ming,et al. Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification[J]. PARASITOLOGY RESEARCH,2007,101(3):723-730.
APA Gu, Zemao.,Wang, Jianguo.,Li, Ming.,Zhang, Jinyong.,Ke, Xiaoli.,...&Wang, JG, Chinese Acad Sci, Inst Hydrobiol, Res Ctr Fisheries Biotechnol, Wuhan 430072, Peoples R China.(2007).Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification.PARASITOLOGY RESEARCH,101(3),723-730.
MLA Gu, Zemao,et al."Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification".PARASITOLOGY RESEARCH 101.3(2007):723-730.
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