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Volume 62, Issue Pt_3

sp. nov., an exopolysaccharide-producing bacterial species isolated from the rhizoplane of the herb Free

Abstract

Three exopolysaccharide-producing bacteria, designated strains DRP28, DRP29 and DRP31, were isolated from the rhizoplane of from the Geumsan, Republic of Korea. Cells were straight rods, Gram reaction-negative, aerobic, non-motile, and catalase- and oxidase- positive. Flexirubin-type pigments were absent. Phylogenetic analysis of the 16S rRNA gene indicated that these bacteria belong to the genus in the phylum 16S rRNA gene sequence similarities to strains of recognized species of the genus were 93.8–97.4 %. The major fatty acids were iso-C and summed feature 3 (Cω7 and/or iso-C 2-OH). The strains contained MK-7 as the major isoprenoid quinone. Strains DRP28, DRP29 and DRP31 formed a single, distinct genomospecies with DNA G+C contents of 41.9–42.7 mol% and DNA hybridization values of 82.6–86.8 %; the strains exhibited DNA–DNA hybridization values of only 20.4–41.3 % with related species of the genus . On the basis of evidence presented in this study, strains DRP28, DRP29 and DRP31 were considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is DRP28 ( = KACC 15075  = NBRC 107757).

  • Published Online:
Funding
This study was supported by the:
  • Ministry of Education, Science and Technology (MEST)
  • Korea Institute for Advancement of Technology (KIAT) (Award M-02-20080704171810)
© 2012 IUMS
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2012-03-01
2024-04-18
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Mucilaginibacter polysacchareus sp. nov., an exopolysaccharide-producing bacterial species isolated from the rhizoplane of the herb Angelica sinensis
Int J Syst Evol Microbiol 62, 632 (2012); https://doi.org/10.1099/ijs.0.029793-0
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