[1]吴巨友,李启明,王鹏,等.梨自交不亲和性反应S-RNase新靶点——微丝骨架[J].南京农业大学学报,2018,41(5):775-777.[doi:10.7685/jnau.201808100]
 WU Juyou,LI Qiming,WANG Peng,et al.Actin cytoskeleton is a new target of S-RNase in self-incompatibility of pear[J].Journal of Nanjing Agricultural University,2018,41(5):775-777.[doi:10.7685/jnau.201808100]
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梨自交不亲和性反应S-RNase新靶点——微丝骨架()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
41卷
期数:
2018年5期
页码:
775-777
栏目:
出版日期:
2018-09-20

文章信息/Info

Title:
Actin cytoskeleton is a new target of S-RNase in self-incompatibility of pear
作者:
吴巨友 李启明 王鹏 张绍铃
南京农业大学园艺学院, 江苏 南京 210095
Author(s):
WU Juyou LI Qiming WANG Peng ZHANG Shaoling
College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
关键词:
自交不亲和花粉管微丝骨架
Keywords:
pearself-incompatibilitypollen tubeactin cytoskeleton
分类号:
S661.2
DOI:
10.7685/jnau.201808100
摘要:
S-RNase是梨等配子体型自交不亲和性的雌蕊决定因子,属于RNase T2家族核糖核酸酶,其经典的功能是降解RNA。我们研究证实了S-RNase可以与微丝骨架蛋白PbrAct1互作,解聚花粉管微丝骨架。同时,S-RNase诱导花粉管产生磷脂酸,抑制微丝骨架的解聚,减缓自交不亲和花粉管细胞程序性死亡的进程。
Abstract:
S-RNase,which belongs to RNase T2 family ribonuclease,is the female determining factor of S-RNase-based gametophytic self-incompatibility,such as in pear. The classic function of S-RNase is to degrade RNA. In this study,we confirmed a new function of S-RNase that interacts with PbrAct1 to depolymerize actin cytoskeleton in pollen tube. On other hand,the S-RNase increases the concentration of phosphatidic acid in pollen tube,inhibits the depolymerization of actin cytoskeleton and delays the process of programmed cell death in self-incompatibility pollen tube.

参考文献/References:

[1] Chen J,Wang P,de Graaf B H J,et al. Phosphatidic acid counteracts S-RNase signaling in pollen by stabilizing the actin cytoskeleton[J]. The Plant Cell,2018,30:1023-1039. DOI:10.1105/tpc.18.00021.

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备注/Memo

备注/Memo:
收稿日期:2018-8-28。
基金项目:国家自然科学基金优秀青年基金项目(31522048);国家自然科学基金项目(31772276)
作者简介:吴巨友,教授,主要从事梨生殖生理与分子生物学、细胞信号转导与发育生物学研究,E-mail:juyouwu@njau.edu.cn。
通信作者:张绍铃,教授,主要从事梨基因组学、发育生物学和品质代谢调控等方面研究,E-mail:slzhang@njau.edu.cn。
更新日期/Last Update: 1900-01-01