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Isolation and Characterization of Bacillus subtilis CA105 from Spent Mushroom (Pleurotus ostreatus) Substrates
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  • Journal title : Journal of Mushroom
  • Volume 13, Issue 4,  2015, pp.305-309
  • Publisher : The Korean Society Of Mushroom Science
  • DOI : 10.14480/JM.2015.13.4.305
 Title & Authors
Isolation and Characterization of Bacillus subtilis CA105 from Spent Mushroom (Pleurotus ostreatus) Substrates
Kim, Hye Soo; Kim, Chul Hwan; Kwon, Hyun Sook; Lee, Chan-Jung; Kong, Won-Sik; Cho, Soo Jeong;
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 Abstract
In order to isolate compost-promoting bacteria with high activity of cellulase and xylanase, spent mushroom substrates with sawdust were collected from mushroom cultivation farm, Jinju, Gyeongnam in Korea. Among of the isolates, one strain, designated CA105 was selected by agar diffusion method. The strain CA105 was identified as members of the Bacillus subtilis by biochemical characteristics using VITEK 2 system. Comparative 16S rRNA gene sequence analysis showed that isolate CA105 formed a distinct phylogenetic tree within the genus Bacillus and was most closely related to Bacillus subtilis with 16S rRNA gene sequence similarity of 98.9%. On the basis of its physiological properties, biochemical characteristics and phylogenetic distinctiveness, isolate CA105 was classified within the genus Bacillus subtilis, for which the name Bacillus subtilis CA105 is proposed. The cellulase and xylanase activity of B. subtilis CA105 was slightly increased according to bacterial population from exponential phase to stationary phase in growth curve for Bacillus sp. CA105.
 Keywords
Bacillus subtilis CA105;Cellulase;Compost-promoting bacteria;Spent mushroom substrates;Xylanase;
 Language
Korean
 Cited by
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