基因组和代谢物分析驱动的基因组和代谢物分析对基因组菌类天然产品生物合成途径的修订
1Department of Pharmaceutical Sciences, University of Shizuoka.
Chemical & pharmaceutical bulletin
|November 30, 2025
概括
研究人员确定了两种真菌物种T. stans和T. albobrunneum的培养菌中的乌斯塔酸生产. 这一突破使未来对乌斯塔利酸生物合成及其在毒性中的作用的研究成为可能.
科学领域:
- 菌类学 菌类学是指菌类学.
- 生物化学 生物化学
- 代谢学 代谢学 代谢学
背景情况:
- 由于有限的细胞生长和在人造条件下的基因沉默,的二次代谢物生物合成具有挑战性.
- 乌斯塔利克酸是一种有毒的Na+/K+-ATPase抑制剂,以前只在的果实体中发现,而不是髓.
- 遗传学研究最近重新分类了以前被归类为*Tricholoma ustale*的物种.
研究的目的:
- 为了研究酸在Tricholoma物种的培养菌中的生物合成.
- 为了确定生物合成基因集群负责乌斯塔利酸的生产.
- 阐明乌斯塔利克酸和相关化合物合成的早期步骤.
主要方法:
- 培养了 *Tricholoma stans* 和 *Tricholoma albobrunneum* 菌的植物.
- 液体染色学-质谱学 (LC-MS) 绘制培养菌体的概况.
- 基因组测序和生物信息分析以识别基因集群.
- 在Aspergillus nidulans*中,候选基因的异质表达.
主要成果:
- 在T. stans和T. albobrunneum的培养菌中首次成功生产了乌斯塔酸.
- LC-MS检测到聚酸及其氧化衍生物,但未检测到拟议的前体 - - .
- 一个候选的酸生物合成基因集群 (uta集群) 被确定,其异质表达产生了多酸.
结论:
- 培养T. stans和T. albobrunneum的细胞可以产生乌斯塔酸,克服了以前的限制.
- 已识别的Uta星团在乌斯塔利克酸的支架组合中发挥作用,可能产生多酸.
- 这项研究为未来研究乌斯塔利克酸生物合成的完整生化和遗传途径提供了基础.
更多相关视频
07:59A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
Published on: October 4, 2019
10.3K
09:08From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028
Published on: January 13, 2017
17.7K
相关概念视频
Amino Acid Biosynthetic Pathways
998
Amino acid biosynthesis is essential for cell growth, protein synthesis, and metabolic regulation. Cells generate essential and non-essential amino acids from metabolic intermediates to sustain vital biological functions. These intermediates originate from key metabolic pathways: glycolysis, the tricarboxylic acid (TCA) cycle, and the pentose phosphate pathway. Important precursors include α-ketoglutarate, pyruvate, oxaloacetate, phosphoenolpyruvate, and erythrose-4-phosphate, which...
998
Biosynthesis in Bacteria
536
Biosynthesis in bacteria is a fundamental anabolic process that generates essential macromolecules, including proteins, nucleic acids, lipids, and polysaccharides. These macromolecules are critical for cellular growth, replication, and function. The process is tightly regulated and energetically linked to catabolic pathways to ensure optimal resource utilization.Biosynthetic pathways begin with precursor metabolites such as pyruvate, acetyl-CoA, and glucose-6-phosphate derived from glycolysis,...
536
Synthetic Biology
5.5K
Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, and systems biology. It involves remodeling existing organisms from nature or constructing completely new synthetic organisms for applications such as protein or enzyme production, bioremediation, value-added macromolecule production, and the addition of desirable traits to crops, to name a few.
Golden rice
Golden rice is a genetically modified...
Golden rice
Golden rice is a genetically modified...
5.5K
Biosynthesis of Nucleic Acids
924
Nucleic acid biosynthesis is a fundamental biochemical process that produces the purine and pyrimidine nucleotides essential for DNA and RNA synthesis. This pathway maintains a balanced nucleotide pool, preventing imbalances that could jeopardize genetic integrity and cellular function. Given the crucial role of nucleotides, their synthesis is tightly regulated to ensure proper cellular homeostasis.Purine BiosynthesisThe biosynthesis of purine nucleotides begins with ribose-5-phosphate, a...
924
Biosynthesis of Lipids
498
Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis...
498
