Method of degrading lignin of plants with engineering bacteria of saccharomyces cerevisiae
A technology of Saccharomyces cerevisiae and lignin, applied in the field of construction and application of microbial engineering bacteria, which can solve the problems of low enzyme production, long cycle of degrading lignin, slow growth of white rot fungi, etc., and achieve the effect of low nutritional requirements and rapid growth and reproduction
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[0017] Example:
[0018] 1. Obtain the enzyme gene and related originals required for the construction of the expression vector
[0019] (1) PCR amplification of the promoter sequence of glyceraldehyde phosphate dehydrogenation of Saccharomyces cerevisiae
[0020] The cell wall of Saccharomyces cerevisiae was cleaved with helicase, the genomic DNA of Saccharomyces cerevisiae was extracted, and the following primers were used for PCR amplification: 5'TCGAGTTTATCATTATCAAT3' and 5'TCGAAACTAAGTTCTTGGTG3'). Promoter sequence of the yeast glyceraldehyde triphosphate dehydrogenase gene.
[0021] (2) PCR amplification of the laccase gene of Bacillus subtilis
[0022] The cell wall of Bacillus subtilis was lysed with helicase, the genomic DNA of Bacillus subtilis was extracted, and the upstream primer (5AA) was applied. CCTAGG ATGACACTTGAAAAATTTGTGGATGC3') and downstream primer (5'AA GCGGCCGC CTATTTATGGGGATCAGTTATA3') was amplified by PCR, and the PCR product was confirmed to be ...
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