相关实验视频

Updated: May 11, 2026

Establishing Fungal Entomopathogens as Endophytes: Towards Endophytic Biological Control

Establishing Fungal Entomopathogens as Endophytes: Towards Endophytic Biological Control

Published on: April 11, 2013

在Penicillium italicum中,SntB影响生长以调节感染潜力

Chunyan Li¹, Shuzhen Yang¹, Meihong Zhang¹

¹College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.

Journal of fungi (Basel, Switzerland)

|June 26, 2024

概括

表观遗传阅读器SntB对于Penicillium italicum的致病性至关重要. 在这种蓝菌中删除SntB可以减少生长,子产生和毒性,提供潜在的控制策略.

科学领域:

植物病理学植物病理学
菌类学菌类学是指菌类学.
分子生物学分子生物学

背景情况:

* Penicillium italicum 在类水果中引起大量的收获后蓝色菌腐烂.
*像SntB这样的表观遗传调节剂越来越多地被认为是它们在真菌病原性中的作用.

研究的目的:

* 调查表观遗传阅读器SntB在Penicillium italicum的致病性中的功能.
* 了解SntB在真菌毒性和应激反应中的作用背后的分子机制.

主要方法:

* 在P. italicum中删除SntB的基因.
* 现象类型分析 (生长,分泌,糖糖利用).
* 压力耐受性测试 (pH,铁,).
* 对类水果进行病毒性检测.
* 超结构分析 (细胞膜,细胞基质,自).
*转录基因分析 (基因表达概况).

主要成果:

* SntB 删除导致菌株生长延迟,子产生减少,糖糖利用受损.
* 突变菌株对pH,铁和压力的敏感性增加,导致毒性减少.
* 超结构性变化包括细胞膜的破坏,细胞矩阵的混乱和自的迹象.
* 转录组学揭示了水解酶,氧化降解酶和运输蛋白的上调,这表明能量需求增加和潜在的碳饥饿反应.

结论:

* SntB在维持P. italicum的致病性特征方面发挥着关键作用.
* SntB删除表型表明与碳饥饿反应和依赖铁的细胞死亡途径的联系.
* 准PiSntB为控制类真菌病和收获后腐烂提供了一个潜在的新战略.

关键词:

这种植物名为Penicillium italicum.一个RNA序列的RNA序列.这是SntB.碳饥饿碳饥饿是什么意思基因淘汰赛基因淘汰赛

更多相关视频

Bacterial Leaf Infiltration Assay for Fine Characterization of Plant Defense Responses using the Arabidopsis thaliana-Pseudomonas syringae Pathosystem

Bacterial Leaf Infiltration Assay for Fine Characterization of Plant Defense Responses using the Arabidopsis thaliana-Pseudomonas syringae Pathosystem

Published on: October 1, 2015

Measuring Volatile and Non-volatile Antifungal Activity of Biocontrol Products

Measuring Volatile and Non-volatile Antifungal Activity of Biocontrol Products

Published on: December 5, 2020

相关概念视频

Gene Regulation in Microbial Communities: Quorum Sensing

Gene Regulation in Microbial Communities: Quorum Sensing

Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...

Microbe-Plant Interactions

Microbe-Plant Interactions

Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...

Production of Antibiotics

Production of Antibiotics

Penicillin, one of the earliest and most widely used antibiotics, is produced industrially by the filamentous fungus Penicillium chrysogenum. Large stirred-tank bioreactors ranging from tens to hundreds of thousands of liters maintain tightly controlled temperature, pH, and dissolved oxygen conditions to support fungal metabolism and maximize antibiotic yield. Penicillin is a secondary metabolite, synthesized primarily during the stationary growth phase, which requires a carefully managed...