Original Paper

Antonie van Leeuwenhoek

, Volume 101, Issue 1, pp 73-104

Phylogenetic study of the species within the family Streptomycetaceae

  • D. P. LabedaAffiliated withNational Center for Agricultural Utilization Research, USDA-ARS Email author 
  • , M. GoodfellowAffiliated withSchool of Biology, University of Newcastle
  • , R. BrownAffiliated withSchool of Biology, University of Newcastle
  • , A. C. WardAffiliated withSchool of Biology, University of Newcastle
  • , B. LanootAffiliated withBCCM/LMG Bacteria Collection, Department of Biochemistry, Physiology and Microbiology, Universiteit Gent
  • , M. VanncanneytAffiliated withBCCM/LMG Bacteria Collection, Department of Biochemistry, Physiology and Microbiology, Universiteit Gent
  • , J. SwingsAffiliated withBCCM/LMG Bacteria Collection, Department of Biochemistry, Physiology and Microbiology, Universiteit Gent
  • , S.-B. KimAffiliated withDepartment of Microbiology and Molecular Biology, School of Bioscience and Biotechnology, Chungnam National University
  • , Z. LiuAffiliated withState Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences
    • , J. ChunAffiliated withSchool of Biological Sciences, Seoul National University
    • , T. TamuraAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , A. OguchiAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , T. KikuchiAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , H. KikuchiAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , T. NishiiAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , K. TsujiAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , Y. YamaguchiAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , A. TaseAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , M. TakahashiAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , T. SakaneAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , K. I. SuzukiAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation
    • , K. HatanoAffiliated withNITE Biological Resource Center (NBRC), National Institute of Technology and Evaluation

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Abstract

Species of the genus Streptomyces, which constitute the vast majority of taxa within the family Streptomycetaceae, are a predominant component of the microbial population in soils throughout the world and have been the subject of extensive isolation and screening efforts over the years because they are a major source of commercially and medically important secondary metabolites. Taxonomic characterization of Streptomyces strains has been a challenge due to the large number of described species, greater than any other microbial genus, resulting from academic and industrial activities. The methods used for characterization have evolved through several phases over the years from those based largely on morphological observations, to subsequent classifications based on numerical taxonomic analyses of standardized sets of phenotypic characters and, most recently, to the use of molecular phylogenetic analyses of gene sequences. The present phylogenetic study examines almost all described species (615 taxa) within the family Streptomycetaceae based on 16S rRNA gene sequences and illustrates the species diversity within this family, which is observed to contain 130 statistically supported clades, as well as many unsupported and single member clusters. Many of the observed clades are consistent with earlier morphological and numerical taxonomic studies, but it is apparent that insufficient variation is present in the 16S rRNA gene sequence within the species of this family to permit bootstrap-supported resolution of relationships between many of the individual clusters.

Keywords

Actinobacteria Systematics Streptomycetales Actinomycetes