Abstract
Sinorhizobium phage ΦM6 infects the nitrogen-fixing rhizobial bacterium Sinorhizobium meliloti. ΦM6 most closely resembles marine phages, such as Puniceispirillum phage HMO-2011, rather than previously sequenced rhizobial phages. The 68,176-bp genome is predicted to encode 121 open reading frames, only 10 of which have similarity to those of otherwise-unrelated Sinorhizobium phages.
Highlights
Sinorhizobium phage ⌽M6 infects the nitrogen-fixing rhizobial bacterium Sinorhizobium meliloti. ⌽M6 most closely resembles marine phages, such as Puniceispirillum phage HMO-2011, rather than previously sequenced rhizobial phages
Our lack of knowledge of rhizobial phages limits our understanding of the effects of phage predation on rhizobial survival both in soil and in crop bioinoculants [2,3,4]. ⌽M6 is a bacteriophage from a historical collection [2] and infects Sinorhizobium meliloti SU47, a nitrogen-fixing symbiont of Medicago truncatula, and Medicago sativa [5, 6]
Infection of S. meliloti by ⌽M6 is dependent on both lipopolysaccharide [7] and the outer membrane protein RopA1 [8]
Summary
Sinorhizobium phage ⌽M6 infects the nitrogen-fixing rhizobial bacterium Sinorhizobium meliloti. ⌽M6 most closely resembles marine phages, such as Puniceispirillum phage HMO-2011, rather than previously sequenced rhizobial phages. Sinorhizobium phage ⌽M6 infects the nitrogen-fixing rhizobial bacterium Sinorhizobium meliloti. ⌽M6 most closely resembles marine phages, such as Puniceispirillum phage HMO-2011, rather than previously sequenced rhizobial phages. The 68,176-bp genome is predicted to encode 121 open reading frames, only 10 of which have similarity to those of otherwise-unrelated Sinorhizobium phages.
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