根瘤菌属

根瘤菌属4个新种群菌体红外光谱研究

A Study of the Infrared Spectra of Four New Species Groups of Rhizobium

细菌纤维素是由醋酸杆菌属、根瘤菌属、土壤杆菌属、八叠球菌属等的某些细菌在一定条件下产生的，其中最有代表性的细菌是木醋杆菌。

Bacterial cellulose was synthesized by bacteria belonging to the genera Acetobacter , Rhizobium , Agrobacterium , and Sarcina , etc.

根据形态特征观察、生理生化特征测定和16Srdna序列分析结果，将As-1、As-2和As-3菌株鉴定为根瘤菌属RhizobiumFrank，Ag-1菌株鉴定为土壤杆菌属AgrobacteriumConn。

These strains were classified into the genus of Rhizobium Frank and Agrobacterium Conn according to their morphology , physiological and biochemical characteristics and analysis of 16S rDNA sequence .

群Ⅱ、群Ⅲ和群Ⅳ在80%的相似水平上聚在一起，距中慢生根瘤菌属较近，但并没与已知参比菌株聚在一群，为新的独立群。

The group ⅰ was fast-growing clusters , which were clustered with reference strains of Rhizobium .

根瘤菌典型属；通常长在豆类的根结节处；可以固定大气中氧的含量。

The type genus of Rhizobiaceae ; usually occur in the root nodules of legumes ; can fix atmospheric oxygen .

根瘤菌内源质粒的属间转移及多样性的研究

Study on the Transfer of Indigenous Plasmid in Rhizobia between Genera and Diversity of Rhizobia