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  • Title: Saccharomonospora piscinae sp. nov., a novel actinobacterium from fishpond sediment in Taiwan.
    Author: Tseng M, Chiang WP, Liao HC, Hsieh SY, Yuan GF.
    Journal: Int J Syst Evol Microbiol; 2018 May; 68(5):1418-1422. PubMed ID: 29533170.
    Abstract:
    Strain 06168H-1T was isolated from a fishpond sediment sample collected from the southern area of Taiwan, and a polyphasic approach was used to determine its taxonomic position. The isolate grew between 20-40 °C and 0-8 % (w/v) NaCl. It produced branched and unfragmented substrate mycelia. Short spore chains (3-10 spores per chain) formed on branched aerial mycelia. The spore chains contained non-motile, smooth-surfaced, oval spores. Galactose, arabinose and ribose were the whole-cell sugars and meso-diaminopimelic acid was present in its peptidoglycan. The polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylmethylethanolamine, phosphatidylcholine, hydroxyphosphati dylethanolamine and a ninhydrin-positive phosphoglycolipid. The predominant menaquinone was MK-9(H4) and minor components were MK-8(H4) and MK-9(H6). Mycolic acids were not detected. The major cellular fatty acids were iso-C16 : 0 and C17 : 1ω6c and C17 : 0ω8c. The DNA G+C content of the strain was 70.6 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed this strain clustered with the members of the genus Saccharomonospora and was closely related to Saccharomonospora xinjiangensis, Saccharomonospora azurea and Saccharomonosporacyanea. The levels of similarity between this strain and the closely related species were: Sxinjiangensis BCRC16887T, 98.34 %; S. azurea BCRC 16220T, 98.27 %; and S. cyanea BCRC 16886T, 97.99 %. Based on phylogenetic characteristics, strain 06168H-1T represents a novel species of the genus Saccharomonospora. We thus propose the name Saccharomonospora piscinae sp. nov. for this novel strain, with strain 06168H-1T (=BCRC 16893T=KCTC 19743T) as the type strain.
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