1887

Abstract

A Gram-positive, yellow-pigmented, actinobacterial strain, DW152, was isolated from a dairy industry effluent treatment plant. 16S rRNA gene sequence analysis indicated that strain DW152 exhibited low similarity with many species with validly published names belonging to the genera and . However, phenotypic properties including chemotaxonomic markers affiliated strain DW152 to the genus . Strain DW152 had ai-C and i-C as major cellular fatty acids, and MK-8(H) as the major menaquinone. The cell-wall peptidoglycan of strain DW152 had -lysine as the diagnostic amino acid and the type was A4α. The DNA G+C content of strain DW152 was 68.0 mol%. In 16S rRNA gene sequence analysis, strain DW152 exhibited significant similarity with NBRC 104258, but the mean value of DNA–DNA relatedness between these strains was only 42.3 %. Moreover, strain DW152 differed in biochemical and chemotaxonomic characteristics from and other species of the genus . Based on the above differences, we conclude that strain DW152 should be treated as a novel species of the genus , for which the name sp. nov. is proposed. The type strain of sp. nov. is DW152 ( = MTCC10523  = DSM 23694).

Funding
This study was supported by the:
  • , Council of Scientific and Industrial Research (CSIR)
  • , Department of Biotechnology, Government of India
  • , CSIR network project , (Award NWP006)
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2011-12-01
2020-08-08
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