相关实验视频

Updated: Jan 10, 2026

Investigating the Detrimental Effects of Low Pressure Plasma Sterilization on the Survival of Bacillus subtilis Spores Using Live Cell Microscopy
10:03

Investigating the Detrimental Effects of Low Pressure Plasma Sterilization on the Survival of Bacillus subtilis Spores Using Live Cell Microscopy

Published on: November 30, 2017

10.0K

稳定的超休 Bacillus 子低于 500 MPa:在高压加工下隔离,表征和制定减少其丰度的策略

Junyi Zhang1, Shengnan Kang1, Jinfeng Wang2

  • 1College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Laboratory of Fruit and Vegetable Processing of Ministry of Agriculture and Rural Affairs, Beijing Key Laboratory for Food Non-Thermal Processing, China Agricultural University, Beijing, China.

International journal of food microbiology
|November 25, 2025
PubMed
概括

高水静压 (HHP) 可以诱导细菌子发芽,但超休的子抵御这一点. 这项研究描述了稳定的高压超休眠 (HPSD) 子,揭示了它们的抗性变化,并优化了HHP条件,以最大限度地减少它们的存在,从而有效地使子无活化.

关键词:
细菌子是一种细菌子.高水静压的高水静压压力自发发芽的自发发芽.这是一个超级睡眠状态.

更多相关视频

Physical Isolation of Endospores from Environmental Samples by Targeted Lysis of Vegetative Cells09:38

Physical Isolation of Endospores from Environmental Samples by Targeted Lysis of Vegetative Cells

Published on: January 21, 2016

14.8K
Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution07:20

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution

Published on: December 30, 2021

4.1K

相关概念视频

Endospores and Sporulation01:20

Endospores and Sporulation

Endospores are specialized, dormant cells primarily formed by Gram-positive bacteria, including Bacillus and Clostridium, enabling survival under extreme environmental conditions. Due to their unique composition and formation process, these structures are highly resistant to physical and chemical insults, such as extreme heat, ultraviolet and ionizing radiation, desiccation, and toxic chemicals. Rare instances of endospore-like structures have also been observed in some Gram-negative bacteria,...
4.8K
Gene Regulation During Sporulation01:17

Gene Regulation During Sporulation

Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...
420
Physical Methods for Controlling Microbial Growth: Temperature01:23

Physical Methods for Controlling Microbial Growth: Temperature

Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
914
Stringent Response in E. coli01:23

Stringent Response in E. coli

Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...
272