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Title 

Polyphasic taxonomy of novel actinobacteria showing macromolecule degradation potentials in bigeum Island, Korea

Authors 

S G DastagerA PandeyJae Chan LeeW J LiChang-Jin Kim

Publisher 

Springer Verlag (Germany)

Issue Date 

2009

Citation 

Current Microbiology, vol. 59, no. 1, pp. 21-29

Keywords 

microbial diversitypolyphasic approachBigeum Island

Abstract 

Aerobic, alkaliphilic to alkalitolerant and mesophilic bacteria were isolated and characterized from soil and sediment samples collected from Bigeum Island, South Korea. The total numbers of microorganisms in the soil and sediment samples were found to be 103.105 cfu/g and 102.107 cfu/g, respectively. A total of 163 isolates were isolated and subjected to further characterization on the basis of pH, temperature and salt tolerance. Among the 163 isolates, 54 were selected based on their tolerance attributes to temperature, pH and NaCl. Out of the 54 isolates, 27 were further selected based on their multiple tolerance ability and enzyme profile and were subjected to 16S rRNA gene sequencing and phylogenetic analysis. The latter indicated that most of the Bigeum Island isolates were related to the phylum Actinobacteria. The phylogenetic tree based on 16S rRNA gene sequences placed the 27 isolates into 9 different major bacterial genera, each genus comprising pure cultures that shared B97% sequence identity and 18 putative novel species. Most of the strains were alkalitolerant and mesophilic, and produced biotechnologically important enzymes at alkaline pH.

ISSN 

0343-8651

Link 

http://dx.doi.org/10.1007/s00284-009-9397-8

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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