DNA content, rDNA loci, and DAPI bands reflect the phylogenetic distance between Lathyrus species

被引：31

作者：

Ali, H ^{[1
]}

Meister, A ^{[1
]}

Schubert, I ^{[1
]}

机构：

[1] Inst Pflanzengenet & Kulturpflanzenforsch, D-06466 Gatersleben, Germany

来源：

GENOME | 2000年 / 43卷 / 06期

关键词：

Lathyrus karyotypes; 5S/25S rDNA loci; FISH; DAPI banding pattern; nuclear DNA content;

D O I：

10.1139/gen-43-6-1027

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：

The nuclear DNA content, the proportion of A+T base pairs, the chromosomal positions of 5S and 25S rRNA genes, as well as of DAPI (4',6-diamidino-2-phenylindole) bands are described for seven species belonging to three different sections of the genus Lathyrus. These data and chromosome measurements allowed to establish precise idiograms and to discriminate most of the chromosome pairs of the seven species. The karyotypic features correlate well with the phylogenetic distances between these species.

引用

页码：1027 / 1032

页数：6

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