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  • Title: Racemicystis crocea gen. nov., sp. nov., a soil myxobacterium in the family Polyangiaceae.
    Author: Awal RP, Garcia R, Müller R.
    Journal: Int J Syst Evol Microbiol; 2016 Jun; 66(6):2389-2395. PubMed ID: 27046779.
    Abstract:
    A novel bacterial strain designated MSr9521T was isolated in 2014 from a soil sample collected in 1986 from the Philippines. The novel bacterium shows myxobacterial characteristics that include pseudoplasmodial swarming, fruiting body formation and predatory ability to lyse microorganisms. The strain is chemoheterotrophic, mesophilic and aerobic. Major fatty acids are C18:1, C17:1 2-OH and iso-C15:0, and also contains trace amounts of omega-3/-6 polyunsaturated fatty acids. The G+C content of the genomic DNA is 70.4 mol%. The 16S rRNA gene sequence shows 95-96 % closest similarity to Sorangium cellulosum DSM 14627T, Polyangium fumosum Pl fu5T, Jahnella thaxteri Pl t4T and Byssovorax cruenta By c2T. The molecular phylogenetic analysis shows that the novel isolate forms a novel branch in the family Polyangiaceae, suborder Sorangiineae. Polyphasic taxonomic characterization suggests that the strain MSr9521T represents a novel species of a new genus in the family Polyangiaceae, for which the name Racemicystis crocea gen. nov., sp. nov. is proposed. The type strain of Racemicystis crocea is MSr9521T (=DSM 100773T=NCCB 100574T).
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