好熱性纎維素分解菌に關する研究(第1報) : I 好熱性纎維素分解菌の檢索分離

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We got an active thermophilic cellulose digesting bacteria from cowlitter by the enrichment culture. This bacteria is classified provisionally into two types, A and enrichment culture. This bacteria is classified provisionally into two types, A and B. The A type has the vegetative cells of the burly rods of the size 5;0〜9.0×1.3〜1.6μ and produces the sporangia of the ordinary Plectridium type. The B type has the vegetative cells of long and slender rods of the size 9.0〜14.0×0.5μ some of which are occasionally winding, and the sporangia are the Plectridium type but somewhat different from the ordinary type by such an appearance as to have a long and slender tail. The A type was purely isolated by the plate culture method but B type was not able to be isolated by that method and also by a few special anaerobic methods The A type was eliminated by heating, on account of quik germination of its spores, and the B type only was left behind in pure state. The spore of B type, which was purified in the above mentioned manner, could grow only symbiotically with addition of the purified A type cells, so that is seems to us that there is mutual advaatage of the so called "Synergism" between both types. This bacteria grows most vigorously at ca. 62℃ and the optimum pH for its growth is 6.7. THis bacteria can digest about 52% of the supplied cellulose material and produces cellobiose and glucose as intermediate decomposition products, and ethyl alcohol, acetaldehyde, acetic acid, carbon dioxide and hydrogen as final fermentation products.
社団法人日本生物工学会の論文
1950-05-15

好熱性纎維素分解菌に關する研究(第1報) : I 好熱性纎維素分解菌の檢索分離

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