Draft Genome Sequence of Marine Cyanobacterium Synechococcus sp. Strain NKBG042902, Which Harbors a Homogeneous Plasmid Available for Metabolic Engineering

Abstract

The marine cyanobacterium Synechococcus sp. strain NKBG042902 was isolated from coastal areas in Japan. Strain NKBG042902 has four plasmids: pSY8, pSY9, pSY10, and pSY11. Moreover, the hybrid plasmid pUSY02 containing pSY11 and Escherichia coli plasmid pUC18 was constructed for this strain. The genetic manipulation technique using pUSY02 was established for this strain and used in metabolic engineering. Here, we report the draft genome sequence of this strain, which has 77 contigs comprising a total length of 3,319,479 bp, with a G+C content of 49.4%.

Genetic diversity and phenotypic plasticity of AHL-mediated Quorum sensing in environmental strains of Vibrio mediterranei

“…Mutualistic interactions were described between Synechococcus species and heterotrophic bacteria [59], and coculture experiments Table 4 and the contribution of each variable in the construction of PCO axis (Pearson correlation) is detailed in Supplementary Table 5 between Vibrio species and Synechococcus revealed a deleterious effect on the cyanobacteria physiology especially on the iron, phosphate, and nitrogen pathways [60]. In the other hand, since Synechococcus species harbor "orphan" luxR genes, possibly encoding for the receptor LuxR involved in AHL signal reception, and also shows the quorum quenching activity against Vibrio species, complex QS-based relationships might occur between these two genera [61][62][63][64][65]. Thereby, the temporal dynamics of different APPs can be related to changes in the cyanobacterial assemblages, switching between commensal/consumers, probably benefiting from the cyanobacterial dissolved organic matter and behaving as competitors for inorganic nutrients, such as phosphate, nitrogen, and iron.…”