title: Micromonospora spongicola sp. nov., an actinomycete isolated from a marine sponge in the Gulf of Thailand.
abstract: An actinomycete strain, S3-1(T), was isolated from marine sponge sample collected from the Gulf of Thailand. The strain is aerobic, Gram-positive and produced single spores at the tip of the substrate mycelium. Strain S3-1(T) contained meso-diaminopimelic acid in the peptidoglycan, whole-cell sugars were arabinose, galactose, glucose, rhamnose, ribose and xylose. The polar lipid profile of strain S3-1(T) consisted of phosphatidylethanolamine, phosphatidylmethylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylinositol, phosphatidylinositol mannosides, phosphoglycolipid and unknown polar lipids. Morphological and chemotaxonomic characteristics of the strain were identified as a member of the genus Micromonospora. Phylogenetic analysis based on 16S rRNA gene sequence analysis of the strain showed similarity to Micromonospora nigra DSM 43818(T) (98.8%), Micromonospora yangpuensis FXJ6.011(T) (98.7%) and Micromonospora narathiwatensis BTG4-1(T) (98.6%). The DNA G+C content was 72.7 mol%. The phenotypic characteristics and DNA-DNA relatedness values supported that the classification of this strain as a novel species in the genus Micromonospora, for which the name Micromonospora spongicola sp. nov. (type strain S3-1(T) =BCC 45595(T)=NBRC 108779(T)) is proposed.
authors.affiliation: Department of Biology, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand.
authors.forename: Khomsan
authors.initials: K
authors.lastname: Supong
authors.forename: Chanwit
authors.initials: C
authors.lastname: Suriyachadkun
authors.forename: Pattama
authors.initials: P
authors.lastname: Pittayakhajonwut
authors.forename: Khanit
authors.initials: K
authors.lastname: Suwanborirux
authors.forename: Chitti
authors.initials: C
authors.lastname: Thawai
mesh_terms: D000818:Animals; D015373:Bacterial Typing Techniques; D001482:Base Composition; D002241:Carbohydrates / Q000032:analysis; D002473:Cell Wall / Q000737:chemistry; D016000:Cluster Analysis; D003600:Cytosol / Q000737:chemistry; D004269:DNA, Bacterial / Q000737:chemistry / Q000235:genetics; D004275:DNA, Ribosomal / Q000737:chemistry / Q000235:genetics; D003960:Diaminopimelic Acid / Q000032:analysis; D008847:Micromonospora / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification* / Q000502:physiology; D008969:Molecular Sequence Data; D009693:Nucleic Acid Hybridization; D010743:Phospholipids / Q000032:analysis; D010802:Phylogeny; D011161:Porifera / Q000382:microbiology*; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D012623:Seawater; D017422:Sequence Analysis, DNA; D013171:Spores, Bacterial / Q000166:cytology; D013785:Thailand
chemical_list: D002241:Carbohydrates; D004269:DNA, Bacterial; D004275:DNA, Ribosomal; D010743:Phospholipids; D012336:RNA, Ribosomal, 16S; D003960:Diaminopimelic Acid