来自未测序细菌的血酶的发现和表征:应用于微生物木质素降解的应用
Margaret E Brown1, Mark C Walker, Toshiki G Nakashige
1Department of Chemistry, University of California, Berkeley, California 94720-1460, United States.
Journal of the American Chemical Society
|June 16, 2011
概括
研究人员开发了一种快速管道,从未测序的细菌中发现新的酶. 这种方法在土壤细菌中发现了两种新的血红蛋白,有助于理解复杂的生物催化剂.
科学领域:
- 生物化学 生物化学
- 基因组学就是基因组学.
- 微生物学 微生物学
背景情况:
- 在复杂的细菌表型中识别分子参与者是具有挑战性的.
- 由于未测序生物体的遗传分析存在困难,许多酶仍然未被发现.
研究的目的:
- 开发一个快速的管道,从未测序的细菌基因组中发现新的酶.
- 识别和描述参与生物质降解的新酶.
主要方法:
- 使用短读序列的细菌基因组序列的新组装.
- 管道应用于土壤细菌中的Amycolatopsis sp. 75iv2.2. 这就是75iv2.
- 已识别的血红蛋白的生物化学表征.
主要成果:
- 成功发现并描述了两种新的血红蛋白.
- 这些蛋白质在Amycolatopsis sp.的细胞外氧化系统中丰富. 75iv2 在素反应条件下.
- 开发的管道使得从未测序的宿主中有效地发现酶.
结论:
- 快速的基因组管道有助于从未测序的细菌中发现新的酶.
- 已识别的血红蛋白是Amycolatopsis sp.细胞外氧化系统的关键组成部分. 75iv2.2. 这就是75iv2.
- 这种方法加速了对复杂生物现象型背后的分子机制的阐明.
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