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冷适应性脂酶的催化活性纳入体:生产及其工业潜力

Muhammad Nura Bello^1,2, Suriana Sabri^1,3, Normi Mohd Yahaya^1,4

¹Enzyme and Microbial Technology Research Centre, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Malaysia.

|October 28, 2025

概括

冷适应性脂酶LipAMS8的催化活性纳入体 (CatIB) 在大肠杆菌中形成. 这些强大的CatIB表现出高活性和稳定性,为工业应用提供了有前途的生物催化剂.

科学领域:

生物化学生物化学
蛋白质工程是指蛋白质工程.
酶学是一种酶学.

背景情况:

大肠杆菌中的重组蛋白质表达可以导致包括体 (IBs).
传统上被认为是不活跃的,一些IBs (CatIBs) 保持生物活性.
脂酶是具有各种工业应用的关键酶.

研究的目的:

研究由重组冷适应脂酶LipAMS8.8形成的催化活性纳入体 (CatIB).
描述LipAMS8 CatIBs的酶活性和稳定性.
探索LipAMS8 CatIBs作为工业生物催化剂的潜力.

主要方法:

在大肠杆菌中,LipAMS8的异质过度表达.
在没有变质剂的情况下轻轻地分离和溶解纳入体.
扫描电子显微镜用于结构分析.
生物化学测试以确定酶活性,pH稳定性,最佳温度和溶剂耐受性.

主要成果:

形成了大量的LipAMS8包容体,并被描述为CatIBs.
LipAMS8 CatIBs表现出具有定义的最佳温度和广泛的pH稳定性的酶活性.
CatIBs表现出对有机溶剂的显著耐受性和在极端条件下的稳定性.
在广泛的pH值和温度范围内保持了显著的残留活性,在长时间储存后损失很小.

结论:

自然形成的脂酶CatIBs (LipAMS8) 可以在体内产生,没有人工标签.
LipAMS8 CatIBs提供了一个稳定,活跃和耐溶剂的生物催化剂.
这些CatIBs代表了一种可行的替代策略,用于获得用于工业生物转换的固定冷活性脂酶.

关键词:

具有催化作用的纳入机构.适应寒冷的适应者工业化工业化工业化工业化工业化利帕斯 (Lipase) 是一种脂肪酶.这是一个潜在的潜力.

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