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首页> 外文期刊>Annual Review of Phytopathology >Pathways of DNA Transfer to Plants from Agrobacterium tumefaciens and Related Bacterial Species
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Pathways of DNA Transfer to Plants from Agrobacterium tumefaciens and Related Bacterial Species

机译：DNA转移到从根癌土壤杆菌和相关细菌种类的植物的途径

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Genetic transformation of host plants by Agrobacterium tumefaciens and related species represents a unique model for natural horizontal gene transfer. Almost five decades of studying the molecular interactions between Agrobacterium and its host cells have yielded countless fundamental insights into bacterial and plant biology, even though several steps of the DNA transfer process remain poorly understood. Agrobacterium spp. may utilize different pathways for transferring DNA, which likely reflects the very wide host range of Agrobacterium. Furthermore, closely related bacterial species, such as rhizobia, are able to transfer DNA to host plant cells when they are provided with Agrobacterium DNA transfer machinery and T-DNA. Homologs of Agrobacterium virulence genes are found in many bacterial genomes, but only one non-Agrobacterium bacterial strain, Rhizobium etli CFN42, harbors a complete set of virulence genes and can mediate plant genetic transformation when carrying a T-DNA-containing plasmid.
机译：土壤杆菌和相关物种的宿主植物的遗传转化代表了自然水平基因转移的独特模型。几乎五十年来研究农杆菌和其宿主细胞之间的分子相互作用使得对细菌和植物生物学的无数基本洞察力，即使DNA转移过程的几个步骤仍然明白。农杆菌SPP。可以利用不同的转移DNA途径，这可能反映了农杆菌的非常广泛的宿主范围。此外，密切相关的细菌种类，例如根序恐怖症，当它们提供土壤杆菌DNA转移机械和T-DNA时，能够将DNA转移到宿主植物细胞中。在许多细菌基因组中发现了农杆菌毒力基因的同源物，但只有一种非农杆菌细菌菌株，Rhizobiumetli CFN42，Harbors是一组成套的毒力基因，并且在携带含T-DNA质粒时可以介导植物遗传转化。

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