Evidence map›Paper›PMID 21439093›Full record

ArticleBMC research notes2011

A novel nucleo-cytoplasmic hybrid clone formed via androgenesis in polyploid gibel carp.

Zhong-Wei Wang, Hua-Ping Zhu, Da Wang, Fang-Fang Jiang, Wei Guo, Li Zhou, Jian-Fang Gui

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Article in BMC research notes, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

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33citing papers in PubMed
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3 · Its place in the literature

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33 citing papers in PubMed.

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  8. Divergent Antiviral Mechanisms of TwoFrontiers in immunology · 2021
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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Zhong-Wei WangState Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China. jfgui@ihb.ac.cn.
Hua-Ping Zhu
Da Wang
Fang-Fang Jiang
Wei Guo
Li Zhou
Jian-Fang Gui

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundUnisexual vertebrates have been demonstrated to reproduce by gynogenesis, hybridogenesis, parthenogenesis, or kleptogenesis, however, it is uncertain how the reproduction mode contributes to the clonal diversity. Recently, polyploid gibel carp has been revealed to possess coexisting dual modes of unisexual gynogenesis and sexual reproduction and to have numerous various clones. Using sexual reproduction mating between clone D female and clone A male and subsequent 7 generation multiplying of unisexual gynogenesis, we have created a novel clone strain with more than several hundred millions of individuals. Here, we attempt to identify genetic background of the novel clone and to explore the significant implication for clonal diversity contribution.

methodsSeveral nuclear genome markers and one cytoplasmic marker, the mitochondrial genome sequence, were used to identify the genetic organization of the randomly sampled individuals from different generations of the novel clone.

resultsChromosome number, Cot-1 repetitive DNA banded karyotype, microsatellite patterns, AFLP profiles and transferrin alleles uniformly indicated that nuclear genome of the novel clone is identical to that of clone A, and significantly different from that of clone D. However, the cytoplasmic marker, its complete mtDNA genome sequence, is same to that of clone D, and different from that of clone A.

conclusionsThe present data indicate that the novel clone is a nucleo-cytoplasmic hybrid between the known clones A and D, because it originates from the offspring of gonochoristic sexual reproduction mating between clone D female and clone A male, and contains an entire nuclear genome from the paternal clone A and a mtDNA genome (cytoplasm) from the maternal clone D. It is suggested to arise via androgenesis by a mechanism of ploidy doubling of clone A sperm in clone D ooplasm through inhibiting the first mitotic division. Significantly, the selected nucleo-cytoplasmic hybrid female still maintains its gynogenetic ability. Based on the present and previous findings, we discuss the association of rapid genetic changes and high genetic diversity with various ploidy levels and multiple reproduction modes in several unisexual and sexual complexes of vertebrates and even other invertebrates.

Identifiers

PMID21439093
PMCPMC3072332

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