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Morphological and molecular-genetic characterization of Chloromyxum trilineatum n. sp. (Myxosporea: Bivalvulida) in the gall bladder of pale chub (Zacco platypus) in Japan
Sekiya, Mariko1; Rosyadi, Imron1; Zhang, Jinyong2; Sato, Hiroshi1,3
2019-12-01
Source PublicationPARASITOLOGY RESEARCH
ISSN0932-0113
Volume118Issue:12Pages:3349-3357
Abstract

The genus Chloromyxum (Myxozoa: Myxosporea: Bivalvulida) is defined as having ridged or smooth bivalvular myxospores containing four polar capsules, with/without caudal filaments. Currently containing more than 140 nominal species, this genus is reasonably speciose with myxospores of unique but heterogeneous morphology. Recent phylogenetic studies have demonstrated its polyphyletic nature. During our myxosporean survey of freshwater fish, a new coelozoic myxosporean species, Chloromyxum trilineatum n. sp., was detected in the gall bladder of the pale chub, Zacco platypus (Cypriniformes: Cyprinidae), which originated from central Japan. Spores were subspherical, measuring 8.5-9.1 (8.8) mu m in length, 7.6-8.2 (8.0) mu m in width, and 6.8-7.8 (7.4) mu m in thickness (n=20). The valvular surface was smooth and three or four distinct ridges ran parallel to the suture line. Four almost equal polar capsules, 2.9-3.8 (3.3) mu m in length and 1.6-2.4 (2.0) mu m in width, assembled at the apical part of the spores. The partial nucleotide sequence of the 18S ribosomal RNA gene, 2014 bp in length, was closest to that of morphologically distinct Chloromyxum ellipticum, infecting the gall bladder of grass carp (Ctenopharyngodon idella) in China with 96.99% (1673/1725) identity and three insertion/deletion (indel) sites, followed by Chloromyxum legeri, infecting the gall bladder of common carp (Cyprinus carpio) in the Czech Republic with 89.97% (1803/2004) identity and 14 indel sites. Other myxosporean species, including Chloromyxum spp. from the gall bladder or urinary system of freshwater and marine fish, were phylogenetically distant from the present species.

KeywordMyxozoa Chloromyxum Zacco platypus Morphology SEM 18S rDNA Phylogeny
DOI10.1007/s00436-019-06500-w
Indexed BySCI
Language英语
WOS Research AreaParasitology
WOS SubjectParasitology
WOS IDWOS:000504206000014
WOS Keyword1890 MYXOZOA MYXOSPOREA ; RIBOSOMAL-RNA GENE ; ALLOGYNOGENETIC GIBEL CARP ; MYXOBOLUS-SPP. ; PHYLOGENETIC ANALYSIS ; CYPRINUS-CARPIO ; LIFE-CYCLE ; MINGAZZINI ; REDESCRIPTION ; REVISION
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/35517
Collection鱼类生物学及渔业生物技术研究中心_期刊论文
Corresponding AuthorSato, Hiroshi
Affiliation1.Yamaguchi Univ, Joint Fac Vet Med, Lab Parasitol, 1677-1 Yoshida, Yamaguchi 7538515, Japan
2.Chinese Acad Sci, Inst Hydrobiol, Fish Dis Lab, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
3.Airlangga Univ, Fac Vet Med, Campus C, Surabaya 60115, Indonesia
Recommended Citation
GB/T 7714
Sekiya, Mariko,Rosyadi, Imron,Zhang, Jinyong,et al. Morphological and molecular-genetic characterization of Chloromyxum trilineatum n. sp. (Myxosporea: Bivalvulida) in the gall bladder of pale chub (Zacco platypus) in Japan[J]. PARASITOLOGY RESEARCH,2019,118(12):3349-3357.
APA Sekiya, Mariko,Rosyadi, Imron,Zhang, Jinyong,&Sato, Hiroshi.(2019).Morphological and molecular-genetic characterization of Chloromyxum trilineatum n. sp. (Myxosporea: Bivalvulida) in the gall bladder of pale chub (Zacco platypus) in Japan.PARASITOLOGY RESEARCH,118(12),3349-3357.
MLA Sekiya, Mariko,et al."Morphological and molecular-genetic characterization of Chloromyxum trilineatum n. sp. (Myxosporea: Bivalvulida) in the gall bladder of pale chub (Zacco platypus) in Japan".PARASITOLOGY RESEARCH 118.12(2019):3349-3357.
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