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题名: First record of the natural occurrence of pentaploid loach, Misgurnus anguillicaudatus in Hubei Province, China
作者: Cui, L ; Abbas, K ; Yu, YY ; Wang, WM ; Zhou, L ; Zhou, XY
通讯作者: Zhou, XY (reprint author), Huazhong Agr Univ, Coll Fisheries, Key Lab Freshwater Anim Breeding,Minist Educ, Key Lab Agr Anim Genet Breeding & Reprod,Minist A, Wuhan 430070, Hubei, Peoples R China.
关键词: chromosomes ; ploidy identification ; unusual cytotype ; weather loach
刊名: FOLIA ZOOLOGICA
发表日期: 2013
卷: 62, 期:1, 页:14-18
收录类别: SCI
部门归属: [Cui, Lei; Yu, Yongyao; Wang, Weimin; Zhou, Xiaoyun] Huazhong Agr Univ, Coll Fisheries, Key Lab Freshwater Anim Breeding,Minist Educ, Key Lab Agr Anim Genet Breeding & Reprod,Minist A, Wuhan 430070, Hubei, Peoples R China; [Abbas, Khalid] Univ Agr Faisalabad, Dept Zool, Faisalabad 38040, Pakistan; [Abbas, Khalid] Univ Agr Faisalabad, Dept Fisheries, Faisalabad 38040, Pakistan; [Zhou, Li; Zhou, Xiaoyun] State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430070, Hubei, Peoples R China
资助者: National Natural Science Foundation of China [31001103]; State Key Laboratory of Freshwater Ecology and Biotechnology, China [2011FB19]; PhD Programs Foundation of Ministry of Education of China [20100146120012]
摘要: Natural occurrence of pentaploid loach, Misgurnus anguillicaudatus discovered from Liangzi Lake area, Hubei Province, central China, is reported here for the first time. The evidences from karyotyping, DNA content analysis and nuclear volume measurements were described to confirm the pentaploid nature of the identified individual. This individual was phenotypically indistinguishable from its sympatric diploid and tetraploid counterparts. The chromosome number was 5n = 125, the mean erythrocyte nuclear DNA content was 2.62 and 1.25 times of their diploid and tetraploid counterparts, respectively. An origin of such polyploidy form either from genome addition of normal sperm nuclei to unreduced egg and the mating of tetraploid individual and hexaploid individual, respectively, is hypothesized.
语种: 英语
ISSN号: 0139-7893
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19363
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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