How many genes in Arabidopsis come from cyanobacteria?: An estimate from 386 protein phylogenies

被引：95

作者：

Rujan, T ^{[1
]}

Martin, W ^{[1
]}

机构：

[1] Univ Dusseldorf, Inst Bot 3, D-40225 Dusseldorf, Germany

来源：

TRENDS IN GENETICS | 2001年 / 17卷 / 03期

关键词：

D O I：

10.1016/S0168-9525(00)02209-5

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

It is well known that chloroplasts and mitochondria donated many genes to nuclear chromosomes during evolution - but how many is 'many'? A sample of 3961 Arabidopsis nuclear protein-coding genes was compared with the complete set of proteins from yeast and 17 reference prokaryotic genomes, including one cyanobacterium (the lineage from which plastids arose). The analysis of 386 phylogenetic trees distilled from these data suggests that between similar to 400 (1.6%) and similar to 2200 (9.2%) of Arabidopsis nuclear genes stem from cyanobacteria. The degree of conservation preserved in protein sequences in addition to lateral gene transfer between free-living prokaryotes pose substantial challenges to genome phylogenetics.

引用

页码：113 / 120

页数：8

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