Perspectives of the Development of 16S rDNA Probe Specific for Algicidal and/or Algal-lytic Gliding Bacteria

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Abstract

Sequence analyses of small subunit ribosomal RNA gene (16S rDNA) were performed on 16 strains of gliding marine bacteria isolated at the time of bloom of Skeletonema costatum in Ariake Sea. The strains were comprised of 8 strains which have capabilities to kill and lyse Skeletonema costatum, 5 strains with algicidal or algal-lytic activity and 3 strains without activity. The strains were divided into 4 clusters including 1, 2, 3, and 10 strains. Cluster A, C and D were close to Cytophaga latercula, Flexibacter maritimus and Cytophaga marinoflava, respectively. Cluster B was close to Flavobacterium aquatile. Neither algicidal nor algal-lytic activity was restricted to any of the clusters. The strains of cluster B contained flexirubin and did not require addition of Na+ in growth peptone media.

Journal

  • Fisheries science

    Fisheries science 64 (6), 861-865, 1998

    The Japanese Society of Fisheries Science

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