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  • KOREAN
  • P-ISSN2287-8327
  • E-ISSN2288-1220
  • SCOPUS, KCI

ISSN : 2287-8327

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Vol.29 No.4

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Bacterial Diversity in the Rhizosphere of the Halophyte Suaeda Japonica in Western and Southern Mudflats of korea

Journal of Ecology and Environment / Journal of Ecology and Environment, (P)2287-8327; (E)2288-1220
2006, v.29 no.4, pp.399-404


& (2006). Bacterial Diversity in the Rhizosphere of the Halophyte Suaeda Japonica in Western and Southern Mudflats of korea. Journal of Ecology and Environment, 29(4), 399-404.

Abstract

This study was carried out to investigate the population densities, R/S ratios, and identification ofheterotrophic bacteria on the rhizosphere soil of halophyteSuaeda japonica found on the western and southernmudflats of Korea. The population densities of aerobic and anaerobic heterotrophic bacteria on the rhizospheresoil of Suaeda japonica were in the range of 1.3 0.3 106~ 6.3 3.3 1074~ 1 . 8 0 . 7 107cfu g-1d. wt., respectively. In case of physiologicaly specific bacteria, population densities of amylolyticbacteria on the rhizosphere soil ofSuaeda japonica were in the range of 4.4 0.6 106~ 2.5 1.2 107cfu g-1d. wt., those of cellulolytic bacteria were from 8.5 6.0 104~ 2.3 1.6 106cfu g-1d. wt., and thoseof proteolytic bacteria were from 3.8 1.8 1056cfu g-1d. wt., respectively. The R/S ratioswere ranged from 2.33 to 2.39. Among eleven isolates from the rots of halophyteSuaeda japonica of Go-heung bay by using 16S rDNA analysis, five clones were closely related toγ-Proteobacteria group and sixclones were closely related toα-Proteobacteria group. Among four isolates from Suncheon bay, two strains wererelated toγ-Proteobacteria group and another two were related toActinobacteriaand Bacilli group, respectively.

keywords
Suaeda japonica, 1 6 S r D N APark, Suhk-Hwan and Geon-Hyoung Lee J. Ecol. Field Biol. 29 (4) 400of halophyteSuaeda japonicawere collected from July to October, 2003 from 4 stations on the mudflats of western and southernmudflats of Korea (Fig. 1)., Suaeda japonica, 1 6 S r D N APark, Suhk-Hwan and Geon-Hyoung Lee J. Ecol. Field Biol. 29 (4) 400of halophyteSuaeda japonicawere collected from July to October, 2003 from 4 stations on the mudflats of western and southernmudflats of Korea (Fig. 1).

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