Isolation of Megaplasmids from Azospirillum spry. Isolated from Korean Paddy Field and Their Homology to nod ABC Gene from Rhizobium meliloti

한국 논에서 분리한 Azospirillum 속 균주의 Megaplasmid 분리와 Rhizobium meliloti nod ABC 유전자와의 상동성

Megaplasmids of Azospirillum strains isolated in the Korean paddy field were identified. Five megaplasmids were identified from Azospirillum lipoferum AS192. Homology between nod ABC gene of Rhizobium meliloti and megaplasmids of Azospirillum lipoferum AS192 and Azospirillum brasilense AS112 was found. This observation might have reflected a common mechanism in the early process of soil bacterial association with plants.