Studies on Isolation and Characterization of Anaerobic Bacteria from Gut of Holstein Cows and Korean Male Spotted Deer

꽃사슴과 Holstein 젖소의 장내 혐기성 박테리아의 분리 및 특성

  • 박소현 (한경대학교 낙농과학과) ;
  • 이기영 (한경대학교 생물정보통신전문대학원) ;
  • 안종호 (한경대학교 낙농과학과) ;
  • 장문백 (중앙대학교 동물자원과학과) ;
  • 김창현 (한경대학교 동물생명자원학과)
  • Published : 2006.02.28


The purpose of this study was to isolate cellulolytic and hemicellulolytic anaerobic bacteria inhabiting from gut of ruminants and investigate their hydrolytic enzyme activities. Extracellular CMCase activities of H-strains isolated from the rumen of a Holstein dairy cow were higher than those of D- and DC- strains from the rumen and large intestine of Korean spotted deer. Most isolated bacteria utilized more efficiently Dehority's artificial medium containing starch, glucose and cellobiose (DAS) than those in Dehority's artificial medium containing cellulose only (DAC). The results of biochemical reactions and sugar fermentation indicated that the isolated bacteria belong to one of bacterial strains of Peptostreptococcus spp., Bifidobacterium spp., Prevotela ruminicola/buccae, Clostridium beijer/butyricum and Streptococcus intermedis which are not highly cellulolytic. Activities of Avicelase, xylanase, β-D-glucosidase, α-L-arabinofuranosidase and β-xylosidase of the isolated anaerobic bacteria in DAS were higher than those in DAC. In conclusion, the results indicated the higher enzyme activities of the isolated strains cultured in DAS medium were mainly caused by their specific carbohydrate utilization for enzyme production and growth rate. The highly cellulolytic bacteria were not isolated in the present experiment. Thus further research is required to investigate characteristics of gut bacteria from Korean spotted deer.


Anaerobic bacteria;Enzyme;Korean spotted deer;Holstein cow


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