Impact of Repetitive Elements on the Y Chromosome Formation in Plants

被引：30
作者：
Hobza, Roman [1 ,2 ]
Cegan, Radim [1 ]
Jesionek, Wojciech [1 ]
Kejnovsky, Eduard [1 ]
Vyskot, Boris [1 ]
Kubat, Zdenek [1 ]
机构：
[1] Acad Sci Czech Republ, Inst Biophys, Dept Plant Dev Genet, Kralovopolska 135, Brno 61200, Czech Republic
[2] Ctr Reg Hana Biotechnol & Agr Res, Inst Expt Bot, Olomouc 78371, Czech Republic
来源：
GENES | 2017年 / 8卷 / 11期
关键词：
sex chromosomes; transposable elements; satellites; Y chromosome; MALE-SPECIFIC REGION; TRANSPOSABLE ELEMENTS; DIOECIOUS PLANT; SEX-CHROMOSOMES; RETROTRANSPOSON PROLIFERATION; SILENE-LATIFOLIA; DNA METHYLATION; COCCINIA-GRANDIS; GENE CONVERSION; SATELLITE DNA;
D O I：
10.3390/genes8110302
中图分类号：
Q3 [遗传学];
学科分类号：
071007 ; 090102 ;
摘要：
In contrast to animals, separate sexes and sex chromosomes in plants are very rare. Although the evolution of sex chromosomes has been the subject of numerous studies, the impact of repetitive sequences on sex chromosome architecture is not fully understood. New genomic approaches shed light on the role of satellites and transposable elements in the process of Y chromosome evolution. We discuss the impact of repetitive sequences on the structure and dynamics of sex chromosomes with specific focus on Rumex acetosa and Silene latifolia. Recent papers showed that both the expansion and shrinkage of the Y chromosome is influenced by sex-specific regulation of repetitive DNA spread. We present a view that the dynamics of Y chromosome formation is an interplay of genetic and epigenetic processes.
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页数：12
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