Cloning and characterization of a C genome-specific repetitive sequence in Aegilops caudata L.

被引：0
|
作者：
KONG Xiuying
机构：
来源：
Chinese Science Bulletin | 1999年 / 14期
关键词：
Aegilops caudata; genome; specific repetitive sequence;
D O I：
暂无
中图分类号：
Q943 [植物细胞遗传学];
学科分类号：
071007 ; 090102 ;
摘要：
pAeca212 is 204 bp in length, and the G + C content is 51%. It disperses on all seven chromosome pairs of Aegilops caudata except centromeres and secondary constrictions.Compared with the 316893 DNA sequences registered in Genbank/EMBL/DDJB/PDB, pAeca212 is a new C-genome specific repetitive sequence. The results of genomic specificity analysis of pAeca212 show that there are no hybridization signals detected in all donor Poaceae plants except in rye. pAeca212 is a very useful molecular marker in the study of the origin of Triticeace and the detection of C chromatin in wheat background.
引用
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页码：1301 / 1306
页数：6
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