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合成コミュニティを使用した高温ダク菌群と代謝物の誘導的調節
Qiuxiang Tang1, Yi Zhang1, Jun Huang1
1College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China.
Food microbiology
|September 1, 2025
まとめ
バチルス菌株とキノコの組み合わせにより,高温ダク (HTD) の微生物群と香味化合物が,江西の香味バイジュー (JXFB) の生産に著しく変化した. 王国間の相互作用により,味のコントロールと代謝物の生成が強化された.
科学分野:
- 食品微生物学
- 発酵科学
- バイオテクノロジー
背景:
- 高温ダク (HTD) は,微生物群と代謝産物に影響を与え,江西風味バイジウ (JXFB) の生産に不可欠です.
- 複雑な生物学的および非生物学的相互作用のためにHTDの性質を制御することは困難です.
研究 の 目的:
- モナスクス・フロリダナス (Monascus floridanus) やムク (Mucua) を含むバチルス菌株とその合成微生物群 (synthetic microbial communities,SynMCs) が,HTDの微生物群と代謝産物プロファイルに及ぼす影響を調査する.
- 菌類と細菌の相互作用を理解し,JXFBの味覚制御を強化する.
主な方法:
- 単一のバシルス菌株とSynMCをモナスクス・フロリダナスまたはムクと組み合わせる.
- 微生物群の構造 (真菌と細菌) の分析
- メタボロミックプロファイリング (ピラジン,有機酸,非揮発性物質,揮発性物質) と共発生ネットワーク分析.
主要な成果:
- バチルスの介入,特にSynMCsは,ピラジン含有量を大幅に増加させた.
- モナスクスとバチルスの組み合わせは,有機酸,非揮発性物質,揮発性物質のより高い一貫性をもたらした.
- 菌類のコミュニティは 細菌のコミュニティと比較して より高い類似性と 方向性の順番を示した.
- 同時に発生するネットワークの分析は,高生産性代謝体コミュニティにおける接続密度と情報転送の増加を明らかにした.
結論:
- 特定の微生物の組み合わせは 微生物のコミュニティの構造と生態学的役割を 調整することができます クロペンステッダのようなものです
- これらの発見は,JXFBの品質を改善するために制御されたHTD発酵のための理論的基礎を提供します.
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