Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification.

Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification. Research Abstract Details 

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Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification. Abstract Text:

Zemao Gu,Jianguo Wang,Ming Li,Jinyong Zhang,Xiaoli Ke,Xiaoning Gong,

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.

Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification. Publishing Authors By Initials

Z Gu,J Wang,M Li,J Zhang,X Ke,X Gong,

For similar parasitic diseases: protozoan infections: sarcomastigophora infections: mastigophora infections: trypanosomiasis research abstracts see: parasitic diseases: protozoan infections: sarcomastigophora infections: mastigophora infections: trypanosomiasis research

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Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Parasitology research

VOLUME: 101

Page Numbers: 723-30

Journal Abbreviation: Parasitol. Res.

ISSN: 0932-0113

DAY: 9

MONTH: 06

YEAR: 2007

Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification. Information

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LANGUAGE: eng

NlmUniqueID: 8703571

Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification. Keywords Mesh Terms:

KEYWORDS: Trypanosomiasis

MESH TERMS: veterinary

Chemical & Substance for Abstract: Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification. Information

Substance Name: RNA, Ribosomal, 18S

Registry Number: 0

Grant and Affiliation Information for Morphological and genetic differences of Trypanosoma in some Chinese freshwater fishes: difficulties of species identification.

AFFILIATION: Laboratory of Healthy Aquaculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, People's Republic of China.

Country: Germany

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MEDLINETA: Parasitol Res

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