Isolation and Identification of Cellulolytic Bacteria from the Gut of Three Phytophagus Insect Species

AUTOR(ES)

Shil, Rajib Kumar, Mojumder, Suman, Sadida, Faozia Faleha, Uddin, Myn, Sikdar, Dwaipayan

FONTE

Braz. arch. biol. technol.

DATA DE PUBLICAÇÃO

2014-12

RESUMO

The cellulolytic bacteria from the gut of three different phytophagous insects were studied to isolate novel cellulolytic organism for biofuel industry. Among the threse, gut of P. quatuordecimpunctata larvae contained both highest no of total bacterial count (6.8x107CFU/gut) and cellulolytic bacteria (5.42x103CFU/gut). Fifteen different isolates were obtained from the gut of O. velox, A. miliarisand P. quatuordecimpunctata. All the isolates produced clear zone in CMC medium staining with Congo red. The isolates included Gram positive Enterococcus, Microbacterium and Gram negative Aeromonas, Erwinia, Serretia, Flavobacterium, Acenitobacter, Klebsiella, Yersinia, Xenorhabdus, Psedomonas and Photorhabdus. Out of the fifteen isolated and identified bacterial species, twelve bacterial species were novel being reported for first time as having cellulase activity.

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