Dissection of rye B chromosomes, and nondisjunction properties of the dissected segments in a common wheat background
文献类型：期刊论文
| 作者 | Endo, Takashi Ryu1; Nasuda, Shuhei1; Jones, Neil2; Dou, Quanwen3; Akahori, Atsushi4; Wakimoto, Munenori4; Tanaka, Hiroyuki4; Niwa, Katsumasa5; Tsujimoto, Hishashi4 |
| 刊名 | genes & genetic systems
 |
| 出版日期 | 2008-02-01 |
| 卷号 | 83期号:1页码:23-30 |
| 关键词 | B chromosome dissection gametocidal chromosome nondisjunction rye |
| 合作状况 | 其它 |
| 中文摘要 | the rye b chromosome is a supernumerary chromosome that increases in number in its host by directed postmeiotic drive. two types of rye b chromosomes that had been introduced into common wheat were dissected into separate segments by the gametocidal system to produce a number of rearranged b chromosomes, such as telosomes, terminal deletions and translocations with wheat chromosomes. a total of 13 dissected b chromosomes were isolated in common wheat, and were investigated for their nondisjunction. properties. rearranged b chromosomes, separated from their b-specific repetitive sequences on the distal part of the long arm, did not undergo nondisjunction, and neither did a translocated wheat chromosome carrying a long-arm distal segment containing the b-specific repetitive sequences. however, such rearranged b chromosomes, missing their b-specific sequences could undergo nondisjunction when they coexisted with the standard b chromosome or a wheat chromosome carrying the b-specific sequences. deficiencies of the short arm did not completely abolish the nondisjunction properties of the b chromosome, but did reduce the frequency of nondisjunction. these results confirmed previous suggestions that the directed nondisjunction of the rye b chromosome is controlled by two elements, pericentromeric sticking sites and a trans-acting element carried at the distal region of the long arm of the b chromosome. additionally, it is now shown that the distal region of the long arm of the b chromosome which provides this function is that which carries the b-specific repetitive sequences. |
| 英文摘要 | the rye b chromosome is a supernumerary chromosome that increases in number in its host by directed postmeiotic drive. two types of rye b chromosomes that had been introduced into common wheat were dissected into separate segments by the gametocidal system to produce a number of rearranged b chromosomes, such as telosomes, terminal deletions and translocations with wheat chromosomes. a total of 13 dissected b chromosomes were isolated in common wheat, and were investigated for their nondisjunction. properties. rearranged b chromosomes, separated from their b-specific repetitive sequences on the distal part of the long arm, did not undergo nondisjunction, and neither did a translocated wheat chromosome carrying a long-arm distal segment containing the b-specific repetitive sequences. however, such rearranged b chromosomes, missing their b-specific sequences could undergo nondisjunction when they coexisted with the standard b chromosome or a wheat chromosome carrying the b-specific sequences. deficiencies of the short arm did not completely abolish the nondisjunction properties of the b chromosome, but did reduce the frequency of nondisjunction. these results confirmed previous suggestions that the directed nondisjunction of the rye b chromosome is controlled by two elements, pericentromeric sticking sites and a trans-acting element carried at the distal region of the long arm of the b chromosome. additionally, it is now shown that the distal region of the long arm of the b chromosome which provides this function is that which carries the b-specific repetitive sequences. |
| WOS标题词 | science & technology ; life sciences & biomedicine |
| 学科主题 | 生物化学 ; 分子生物学 |
| 类目[WOS] | biochemistry & molecular biology ; genetics & heredity |
| 研究领域[WOS] | biochemistry & molecular biology ; genetics & heredity |
| 关键词[WOS] | gametocidal chromosome ; accessory chromosomes ; repeated sequences ; satellite dna ; barley ; identification ; genome ; induction ; plants ; family |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000255579600003 |
| 公开日期 | 2009-12-04 |
| 源URL | [http://ir.nwipb.ac.cn/handle/363003/1219]  |
| 专题 | 西北高原生物研究所_中国科学院西北高原生物研究所 |
| 作者单位 | 1.Kyoto Univ, Grad Sch Agr, Kyoto 6068502, Japan 2.Aberystwyth Univ, Inst Biol Sci, Aberystwyth SY23 3DA, Dyfed, Wales 3.Chinese Acad Sci, NW Plateau Inst Biol, Xining 810001, Qinghai, Peoples R China 4.Tottori Univ, Fac Agr, Tottori 6808550, Japan 5.Tokyo Univ Agr, Fac Agr, Atsugi, Kanagawa 2430034, Japan |
| 推荐引用方式 GB/T 7714 | Endo, Takashi Ryu,Nasuda, Shuhei,Jones, Neil,et al. Dissection of rye B chromosomes, and nondisjunction properties of the dissected segments in a common wheat background[J]. genes & genetic systems,2008,83(1):23-30. |
| APA | Endo, Takashi Ryu.,Nasuda, Shuhei.,Jones, Neil.,Dou, Quanwen.,Akahori, Atsushi.,...&Tsujimoto, Hishashi.(2008).Dissection of rye B chromosomes, and nondisjunction properties of the dissected segments in a common wheat background.genes & genetic systems,83(1),23-30. |
| MLA | Endo, Takashi Ryu,et al."Dissection of rye B chromosomes, and nondisjunction properties of the dissected segments in a common wheat background".genes & genetic systems 83.1(2008):23-30. |
入库方式： OAI收割
来源：西北高原生物研究所
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