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Antibiotic mycelial dregs (AMDs) have been listed as industrial hazardous wastes. With the aim of reducing the
environmental risk, the integrated-omics and qPCR approaches were used to reveal the dynamics and removal
mechanisms of antibiotic and antibiotic resistance genes (ARGs) during the fermentation of different spectinomycin mycelial dregs (SMDs). The results showed that the removal efficiency of antibiotic in the fermentation of
high moisture SMDs reached up to 98%. The high abundance of aadA1 gene encoded by Streptomyces, Lactobacillus, and Pseudomonas was associated with the efficie...
Brown macroalgae have attracted great attention as an alternative feedstock for biorefining. Although direct conversion of ethanol from alginates (major components of brown macroalgae cell walls) is not amenable for industrial
production, significant progress has been made not only on enzymes involved in alginate degradation, but also on
metabolic pathways for biorefining at the laboratory level. In this article, we summarise recent advances on four
aspects: alginate, alginate lyases, different alginate-degrading systems, and application of alginate lyases and associated pathways. This know...
本发明中突变基因sschi18a_1所编码的突变几丁质酶sschi18a-k186a具有高酶活性,在60℃下酶活为84.2u/μmol,比野生型酶sschi18a提高了55%;与野生型一样,能够耐受70℃高温,并在ph4-11的缓冲体系中稳定。本发明突变的几丁质酶在实际工业生产过程中,在工农业生产中具有更大的应用空间。