Epigenetic mechanisms regulating seed germination rate

被引：2

作者：

Kravets, O. P. ^{[1
]}

Sokolova, D. O. ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Cell Biol & Genet Engn, UA-03143 Kiev, Ukraine

来源：

CYTOLOGY AND GENETICS | 2017年 / 51卷 / 05期

关键词：

seed germination; stress; chronic exposure; DNA methylation; epigenetic polymorphism; POLYMORPHISM; ARABIDOPSIS; PLASTICITY;

D O I：

10.3103/S0095452717050048

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

Changes in epigenetic polymorphism degree within wheat seedlings' population under radiation stimulating exposure of germination were investigated. Variations in seeds sample allocations by germination rate in both control and chronically exposed variants were estimated. Changes in DNA methylation patterns of seedlings from seeds with different germination rate were studied. Variations in epigenetic polymorphism-"distance" between DNA methylation patterns of "fast" and "slow" seedlings of different wheat varieties under radiation exposure were assessed. Indicated, that increased germination rate of seeds sample was associated with decreasing degree of epigenetic polymorphism. Issue concerning both role of epigenetic polymorphism in plant population stability and its decreasing degree that could initiate less effectiveness of production process was discussed.

引用

页码：346 / 351

页数：6