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J Genomics. 2016 Mar 10;4:10-2. doi: 10.7150/jgen.14051. eCollection 2016.

Draft Genome Sequence of Providencia sneebia Strain ST1, a Quorum Sensing Bacterium Associated with Marine Microalgae.

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The Division of Ocean Science and Technology, Graduate School at Shenzhen, Tsinghua University, Shenzhen, 518055, Guangdong Province, P. R. China.


Providencia sneebia strain ST1 is a symbiotic bacterium (belonging to phylum gammaproteobacteria) with marine microalgae. This bacterium exhibits the ability to produce N-Acyl homoserine lactone signal molecule. To date, no genome that originates from marine Providencia spp. has been reported. In this study, we present the genome sequence of this strain. It has a genome size of 4.89 M, with 19 contigs and an average G+C of 51.97%. The function of 4,631 proteins was predicted, and 3,652 proteins were assigned to COG functional categories. Among them, 407 genes are involved in carbohydrate metabolism, 306 genes participate in nitrogen utilization and energy conversion, and 185 genes related to signal transduction process. Thus, this strain plays an active role in the biogeochemical cycle in algal life history. The whole-genome of this isolate and annotation will help enhance understanding of bacterial ecological behavior in the phycosphere.


Genome sequence; Marine bacteria; N-Acyl homoserine lactone; Providencia sneebia

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