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对比基因组学和转录组学分析揭示了真菌中不同的植物生物质降解策略

Jiajia Li¹, Ad Wiebenga¹, Anna Lipzen²

¹Fungal Physiology, Westerdijk Fungal Biodiversity Institute & Fungal Molecular Physiology, Utrecht University, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands.

Journal of fungi (Basel, Switzerland)

|August 25, 2023

概括

菌类拥有多种不同的植物生物质降解酶 (CAZymes). 这项研究揭示了这些酶在物种中的显著基因组和转录组变异,为生物技术提供了洞察力.

科学领域:

生物技术是生物技术.
菌类学菌类学是指菌类学.
基因组学就是基因组学.
文字转录学 (Transcriptomics) 是一个学科.

背景情况:

植物生物质是一种可再生的碳来源,有可能取代化石燃料.
菌类使用碳水化合物活性酶 (CAZymes) 降解植物多糖.
了解植物生物质降解 (PBD) CAZymes对于真菌生物技术至关重要.

研究的目的:

系统地比较六种真菌物种中的PBD CAZyme基因组含量.
在各种单糖上分析这些真菌的转录组概况.
为了更好地理解生物质转化,将基因组和转录组数据与真菌生长相关联.

主要方法:

在 *Aspergillus niger*, *Aspergillus nidulans*, *Penicillium subrubescens*, *Trichoderma reesei*, *Phanerochaete chrysosporium* 和 *Dichomitus squalens* 中对PBD CAZymes 的基因组内容分析.
在九种不同的单糖体上生长过程中转录基因组概况.
推断碳利用率与观察到的真菌生长概况的比较.

主要成果:

在研究的真菌物种中发现了PBD CAZymes的显著基因组变异.
观察到CAZymes的显著转录组多样性,表明首选的碳来源和多样化的转录调节.
基因组和转录组数据与真菌生长相关,为碳利用提供了洞察力.

结论:

类PBDCAZyme的剧目和表达模式表现出相当大的多样性.
这种多样性反映了特定物种的碳来源偏好和监管机制.
这些发现为设计工业生物质转化酶混合物和工程真菌提供了基础.

关键词:

CAZymes 的意思是进行比较的基因组学.植物多糖体的降解降解转录组分析转录组分析

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