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Comparison of homoeologous chromosome pairing between hybrids of wheat genotypes Chinese Spring ph1b and Kaixian-luohanmai with rye
Hao, Ming1; Luo, Jiangtao1; Yang, Min1; Zhang, Lianquan1; Yan, Zehong1; Yuan, Zhongwei1; Zheng, Youliang1; Zhang, Huaigang2; Liu, Dengcai1,2
2011-12-01
发表期刊GENOME
ISSN0831-2796
卷号54期号:12页码:959-964
文章类型Article
摘要The ph-like genes in the Chinese common wheat landrace Kaixian-luohanmai (KL) induce homoeologous pairing in hybrids with alien species. In the present study, meiotic phenotypic differences on homoeologous chromosome pairing at metaphase I between hybrids of wheat genotypes Chinese Spring ph1b (CSph1b) and KL with rye were studied by genomic in situ hybridization (GISH). The frequency of wheat–wheat associations was higher in CSph1b × rye than in KL × rye. However, frequencies of wheat–rye and rye–rye associations were higher in KL × rye than in CSph1b × rye. These differences may be the result of different mechanisms of control between the ph-like gene(s) controlling homoeologous chromosome pairing in KL and CSph1b. Wheat–wheat associations were much more frequent than wheat–rye pairing in both hybriods. This may be caused by lower overall affinity, or homoeology, between wheat and rye chromosomes than between wheat chromosomes.; The ph-like genes in the Chinese common wheat landrace Kaixian-luohanmai (KL) induce homoeologous pairing in hybrids with alien species. In the present study, meiotic phenotypic differences on homoeologous chromosome pairing at metaphase I between hybrids of wheat genotypes Chinese Spring ph1b (CSph1b) and KL with rye were studied by genomic in situ hybridization (GISH). The frequency of wheat-wheat associations was higher in CSph1b x rye than in KL x rye. However, frequencies of wheat-rye and rye-rye associations were higher in KL x rye than in CSph1b x rye. These differences may be the result of different mechanisms of control between the ph-like gene(s) controlling homoeologous chromosome pairing in KL and CSph1b. Wheat-wheat associations were much more frequent than wheat-rye pairing in both hybriods. This may be caused by lower overall affinity, or homoeology, between wheat and rye chromosomes than between wheat chromosomes.
关键词Ph Gene Homoeologous Metaphase i Pairing Gish
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]TRITICUM-AESTIVUM ; COMMON WHEAT ; CENTROMERE ASSOCIATION ; HEXAPLOID WHEAT ; GENETIC-CONTROL ; LOCUS ; RECOGNITION ; MEIOSIS ; MUTANTS ; DIFFERENTIATION
收录类别SCI
语种英语
WOS研究方向Biotechnology & Applied Microbiology ; Genetics & Heredity
WOS类目Biotechnology & Applied Microbiology ; Genetics & Heredity
WOS记录号WOS:000299012000001
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/1988
专题中国科学院西北高原生物研究所
作者单位1.Sichuan Agr Univ, Triticeae Res Inst, Wenjiang 611130, Sichuan, Peoples R China
2.Chinese Acad Sci, NW Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810001, Peoples R China
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GB/T 7714
Hao, Ming,Luo, Jiangtao,Yang, Min,et al. Comparison of homoeologous chromosome pairing between hybrids of wheat genotypes Chinese Spring ph1b and Kaixian-luohanmai with rye[J]. GENOME,2011,54(12):959-964.
APA Hao, Ming.,Luo, Jiangtao.,Yang, Min.,Zhang, Lianquan.,Yan, Zehong.,...&Liu, Dengcai.(2011).Comparison of homoeologous chromosome pairing between hybrids of wheat genotypes Chinese Spring ph1b and Kaixian-luohanmai with rye.GENOME,54(12),959-964.
MLA Hao, Ming,et al."Comparison of homoeologous chromosome pairing between hybrids of wheat genotypes Chinese Spring ph1b and Kaixian-luohanmai with rye".GENOME 54.12(2011):959-964.
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