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发明公开
CN105802892A 一种产角蛋白酶的嗜麦芽寡养单胞菌及其应用 有权

一种产角蛋白酶的嗜麦芽寡养单胞菌及其应用
摘要：
本发明公开了一种产角蛋白酶的嗜麦芽寡养单胞菌及其应用，所述嗜麦芽寡养单胞菌于2016年03月07日保藏于中国普通微生物菌种保藏管理中心，保藏编号为CGMCC No.12186；所述产角蛋白酶的嗜麦芽寡养单胞菌降解含角蛋白的物质，包括以下步骤：1)准备液体无机盐培养基；2)取嗜麦芽寡养单胞菌菌种和含角蛋白的物质，添加至步骤1)中制得的液体无机盐培养基中，所述嗜麦芽寡养单胞菌菌种在液体无机盐培养基中的接种量为a，0.5％≤a≤5％，在转速为150～220rpm，温度为27～47℃的条件下发酵，使含角蛋白的物质降解；该嗜麦芽寡养单胞菌在以羽毛为唯一碳氮源的液体培养基中可以高效降解角蛋白。
摘要（英）：

The invention discloses stenotrophomonas maltophilia for producing keratinase and application of the stenotrophomonas maltophilia. The stenotrophomonas maltophilia is preserved in China General Microbiological Culture Collection Center on March, 7, 2016, and the preservation number is CGMCC No. 12186. The stenotrophomonas maltophilia for producing the keratinase degrades a substance containing the keratinase, and comprises the following steps: (1) preparing a liquid inorganic salt culture medium; (2) adding a stenotrophomonas maltophilia strain and the substance containing the keratinase into the liquid inorganic salt culture medium prepared in the step (1), wherein an inoculation amount of the stenotrophomonas maltophilia strain in the liquid inorganic salt culture medium is a, a is greater than or equal to 0.5 percent and less than or equal to 5 percent, and the rotation speed is 150 to 220 rpm, fermenting at the temperature of 27 to 47 DEG C, and degrading the substance containing the keratinase. The stenotrophomonas maltophilia can efficiently degrade the keratinase in the liquid culture medium adopting feather as an exclusive carbon nitrogen source.

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