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学科主题: Fisheries; Marine & Freshwater Biology; Veterinary Sciences
题名: Infection of Myxobolus turpisrotundus sp n. in allogynogenetic gibel carp, Carassius auratus gibelio (Bloch), with revision of Myxobolus rotundus (s. l.) Nemeczek reported from C-auratus auratus (L.)
作者: Zhang, J. Y.1; Wang, J. G.1; Li, A. H.1; Gong, X. N.1
通讯作者: Zhang, JY, Chinese Acad Sci, Inst Hydrobiol, 7 Donghu S Rd, Wuhan, Hubei Province, Peoples R China
关键词: allogynogenetic gibel carp ; Carassius auratus gibelio ; Myxobolus rotundus ; Myxobolus turpisrotundus ; Myxozoa ; prevalence
刊名: JOURNAL OF FISH DISEASES
发表日期: 2010-08-01
DOI: 10.1111/j.1365-2761.2010.01161.x
卷: 33, 期:8, 页:625-638
收录类别: SCI
文章类型: Article
部门归属: [Zhang, J. Y.; Wang, J. G.; Li, A. H.; Gong, X. N.] Chinese Acad Sci, Inst Hydrobiol, Wuhan, Hubei Province, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Sciences Foundation of China [30271028]; Key Science-Technology Gongguan Project of Hubei Province [2007AA203A01]; National 973 project [2009CB118700]
类目[WOS]: Fisheries ; Marine & Freshwater Biology ; Veterinary Sciences
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology ; Veterinary Sciences
摘要: Infection of a Myxobolus species, previously identified as Myxobolus rotundus, was detected in 182 of 7892 (2.31%) allogynogenetic gibel carp, Carassius auratus gibelio, in a closed pond culture system in China. Morphological and molecular data showed that this myxosporean is a different species from M. rotundus parasitizing Abramis brama in Europe and is thus designated as a new species, Myxobolus turpisrotundus. M. rotundus (s.l.) ex C. auratusauratus is a synonym of M. turpisrotundus. Plasmodia of M. turpisrotundus develop in the subepidermal tissues of the body surface resulting in an unaesthetic appearance and causing severe economic losses. Prevalence of infection with the myxosporean plasmodia varied seasonally, increasing in winter and decreasing in spring. Prevalence was positively correlated to host size, but no host sex-specificity was found. No infection was observed in other fish species (grass carp, bighead carp and yellow catfish) reared in the same pond, suggesting that the parasite has a relatively strict host specificity. Plasmodia grew gradually as the parasite developed, and reached up to a maximum 5.6 mm in diameter. Plasmodia ruptured naturally to release the mature spores and host fish completely recovered with no mortality. Release of spores and regeneration of lesions were not correlated with water temperature. Histology showed that plasmodia developed sub-epidermally, and that the wall of the plasmodia was composed of a multiple complex structure, including layers of fibroblasts, a collagenous membrane, melanophores and a layer of cup-like cells of unknown derivation and function. The cup-like cells are in direct contact with pre-sporogonic stages located in the peripheral parts of the large plasmodia. No severe host inflammatory response was seen.
英文摘要: Infection of a Myxobolus species, previously identified as Myxobolus rotundus, was detected in 182 of 7892 (2.31%) allogynogenetic gibel carp, Carassius auratus gibelio, in a closed pond culture system in China. Morphological and molecular data showed that this myxosporean is a different species from M. rotundus parasitizing Abramis brama in Europe and is thus designated as a new species, Myxobolus turpisrotundus. M. rotundus (s.l.) ex C. auratusauratus is a synonym of M. turpisrotundus. Plasmodia of M. turpisrotundus develop in the subepidermal tissues of the body surface resulting in an unaesthetic appearance and causing severe economic losses. Prevalence of infection with the myxosporean plasmodia varied seasonally, increasing in winter and decreasing in spring. Prevalence was positively correlated to host size, but no host sex-specificity was found. No infection was observed in other fish species (grass carp, bighead carp and yellow catfish) reared in the same pond, suggesting that the parasite has a relatively strict host specificity. Plasmodia grew gradually as the parasite developed, and reached up to a maximum 5.6 mm in diameter. Plasmodia ruptured naturally to release the mature spores and host fish completely recovered with no mortality. Release of spores and regeneration of lesions were not correlated with water temperature. Histology showed that plasmodia developed sub-epidermally, and that the wall of the plasmodia was composed of a multiple complex structure, including layers of fibroblasts, a collagenous membrane, melanophores and a layer of cup-like cells of unknown derivation and function. The cup-like cells are in direct contact with pre-sporogonic stages located in the peripheral parts of the large plasmodia. No severe host inflammatory response was seen.
关键词[WOS]: PHYLOGENETIC INFERENCE ; CEREBRALIS INFECTION ; CERATOMYXA-SHASTA ; WHIRLING DISEASE ; RIBOSOMAL DNA ; CRUCIAN CARP ; LIFE-CYCLE ; MYXOSPOREA ; MYXOZOA ; SUSCEPTIBILITY
语种: 英语
WOS记录号: WOS:000279669700001
ISSN号: 0140-7775
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13607
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Hubei Province, Peoples R China

Recommended Citation:
Zhang, J. Y.; Wang, J. G.; Li, A. H.; Gong, X. N..Infection of Myxobolus turpisrotundus sp n. in allogynogenetic gibel carp, Carassius auratus gibelio (Bloch), with revision of Myxobolus rotundus (s. l.) Nemeczek reported from C-auratus auratus (L.),JOURNAL OF FISH DISEASES,2010,33(8):625-638
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