A bacillus subtilis strain and applications thereof
A technology of Bacillus subtilis and strains, applied in the direction of bacteria, enzymes, biochemical equipment and methods, etc., can solve the problems of long production cycle and increased production cost of production cycle
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[0018] A Bacillus subtilis strain SB13 (Bacillus subtilis) of the present invention is obtained by culturing and enriching the rotten rice straw soil collected from the farmland around Mangdang Mountain, Nanping City, Fujian Province, and screening out endoglucanase and xylan. enzyme strain, and a complex solution containing endoglucanase and xylanase is prepared by the strain.
[0019] 1. Screening and isolation of the bacterial strain SB13
[0020] The soil containing rotten straw was collected from the farmland around Mangdang Mountain, Nanping City, Fujian Province, and dried naturally at room temperature for 7 days. After that, 5 g of the dried soil was weighed in a triangular flask equipped with 195 ml of enrichment medium, under the condition of 160 r / min Cultivate and enrich at a constant temperature at 30°C for 5 days to obtain the enriched bacterial solution; take 1g of the enriched bacterial solution for dilution, and the dilution factor is 10 -5 、10 -6 、10 -7 , ...
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