Isolation and Characterization of Cellulose-Degrading and Xylanolytic Bacteria from the Short-Nosed Fruit Bat Cynopterus sphinx
2012
Anand, A Alwin Prem | Chattopadhyay, Balaji | Kandula, Sripathi
Cynopterus sphinx is a frugivorous bat also known to feed regularly on leaves. This raises the question whether microorganisms capable of digesting such a diet are present in the gut. In the present study cellulolytic and xylanolytic bacteria were isolated from the intestine of C. sphinx on Berg's agar medium containing carboxymethyl cellulose and xylan. The isolated cultivable cellulose and xylan degrading bacteria were characterized biochemically and identified to be Bacillus sp., Clostridium sp., Streptococcus sp., and Staphylococcus sp. Among the cultivable bacteria from the intestine of the insectivorous Hipposideros fulvus, which was used as a control, no cellulolytic and xylanolytic bacteria could be isolated. We hypothesize that leaves could be a carbohydrate source for bats. By isolating polysaccharide-degrading bacteria from the intestine of C. sphinx, we infer that they help in digestion of xylan and soluble cellulose in their diet.
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