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Recent advances in identification of male specificity determinant and its function in S-RNase-mediated gametophytic self-incompatibility

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成果类型:
期刊论文
作者:
张琳;谭晓风;乌云塔娜
通讯作者:
Xiao-feng Tan
作者机构:
[Xiao-feng Tan; Ta-na Wuyun] The Key Lab of Non-wood Forestry Product of Forestry Ministry, Central South Forestry University, Changsha, P. R. China
Henan College of Science and Technology, Xinxiang, P. R. China
[Lin Zhang] The Key Lab of Non-wood Forestry Product of Forestry Ministry, Central South Forestry University, Changsha, P. R. China<&wdkj&>Henan College of Science and Technology, Xinxiang, P. R. China
通讯机构:
[Xiao-feng Tan] T
The Key Lab of Non-wood Forestry Product of Forestry Ministry, Central South Forestry University, Changsha, P. R. China
语种:
英文
关键词:
Gametophytic self-incompatibility;Pollen specific F-box genes;Male determinant;SCF complex;26S proteasome pathway
关键词(中文):
配子体自交不亲和;花粉特异性F-box基因;雄性决定因子;SCF复合体;26S蛋白酶体通路
期刊:
林业研究(英文版)
ISSN:
1007-662X
年:
2006
卷:
17
期:
2
页码:
124-128
基金类别:
This work was supported by grants from Three Founda-tions of Hunan Province (00JZY2155) and International Cooperation Project;
机构署名:
本校为第一且通讯机构
院系归属:
林学院
摘要:
S-RNase-mediated gametophytic self-incompatibility (GSI) is controlled by a multiallelic S-locus at which two separate genes, the female (pistil) and male (pollen) specificity determinants, are tightly linked. This review described both the identification of pollen specific F-box genes, SLF/SFBs, in Antirrhinum, Petunia and Prunus species and the demonstration of SLF/SFB as pollen determinant together with their functions in GSI response. Recent studies of how the pollen determinant functions in pollination reaction revealed that pollen determinant interacted with S-RNases in a non-allele-spec...
摘要(中文):
配子体自交不亲和由具有多基因的单一位点S位点控制,该位点包括紧密连锁的雌性(雌蕊)和雄性(花粉)S决定因子。本文综述了近年来金鱼草、矮牵牛、李亚科植物花粉特异性F-box基因的鉴别及雄性S决定因子的鉴定,论述了雄性决定因子在自交不亲和反应中的功能研究进展。当前对雄性决定因子的功能研究认为,在亲和反应中它非特异地与S-RNases作用,通过形成一个功能的SCF复合体仅使非自身S-RNase被泛素介导的26S蛋白酶体降解,花粉管得以继续生长至胚囊完成双受精;而自身S-RNase的活性被特异保留,作为细胞毒素降解花粉管RNA,从而抑制自身花粉管的生长。图3参43。

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