复制起始蛋白 TrfA 的系统发育揭示了高度分化的 P1 质粒不相容群簇。
Phylogeny of replication initiator protein TrfA reveals a highly divergent clade of incompatibility group P1 plasmids.
机构信息
San Joaquin Valley Agricultural Sciences Center, Agricultural Research Service, United States Department of Agriculture, Parlier, California 93648, USA.
出版信息
Appl Environ Microbiol. 2011 Apr;77(7):2522-6. doi: 10.1128/AEM.02789-10. Epub 2011 Feb 4.
Abstract
Incompatibility group P1 (IncP-1) plasmid diversity was evaluated based on replication initiator protein (TrfA) phylogeny. A new and highly divergent clade was identified. Replication assays indicated that TrfA of recently discovered IncP-1 plasmids from Xylella fastidiosa and Verminephrobacter eiseniae initiated plasmid replication using cognate or heterologous origins of replication.
摘要
根据复制起始蛋白 (TrfA) 系统发育评估了不相容群 P1 (IncP-1) 质粒的多样性。鉴定出一个新的高度分化的分支。复制实验表明，从韧皮部坏死病菌和噬纤维菌中发现的新型 IncP-1 质粒的 TrfA 使用同源或异源复制起点启动质粒复制。
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