The invention discloses a bacillus and application thereof in industry. The strain is screened from rotten kelp picked from the Yellow Sea, and was preserved in China Center for Type Culture Collection on April 28th, 2019, and the preservation number is CCTCC No. M 2019315. The strain can produce alginate lyase, and the enzyme activity adaptive temperature range of the produced alginate lyase is wide and is from 30 DEG C to 45 DEG C. The enzyme activity adaptive temperature range of the alginate lyase produced by the screened strain is wide, the strain has certain advantages in industry, a fermentation medium specially developed for the strain with the preservation number of CCTCC No. M 2019315 is sufficient in nutrition, and the strain can grow at high density, so that the produced alginate lyase is more in quantity, the alginate degradation capability is high, and the yield of the product alginate oligosaccharide is high.
; 秦松
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