Chromosomal localization of rDNA in the Brassicaceae

被引：41

作者：

Ali, HBM ^{[1
]}

Lysak, MA ^{[1
]}

Schubert, I ^{[1
]}

机构：

[1] IPK, D-06466 Gatersleben, Germany

来源：

GENOME | 2005年 / 48卷 / 02期

关键词：

Brassicaceae; 5S and 45S rRNA genes; rDNA; FISH;

D O I：

10.1139/g04-116

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

A survey is given about the number and chromosomal position of rDNA loci in 45 Brassicaceae species. For 34 species, 5S and 45S rDNA loci have been localized by two-colour fluorescence in situ hybridization for the first time. These data show the variability of rDNA within karyotypes of the Brassicaceae, provide anchor points for (comparative) genetic maps, and might be important for studies on concerted evolution of internal transcribed sequence types of rDNA in cruciferous plants.

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页码：341 / 346

页数：6

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