[Cellular response to stress]

Area of Science:

• Microbiology
• Molecular Biology
• Cell Biology

Background:

• Environmental changes trigger cellular adaptation mechanisms.
• Cellular stress responses involve alterations in genetic expression (transcriptome, proteome) and physiology.
• Understanding these responses is crucial for cell survival and adaptation.

Purpose of the Study:

• To explore the impact of various environmental stresses on cellular functions in bacteria and fungi.
• To investigate the relationship between stress conditions and genetic/physiological changes.
• To present recent findings on cellular stress response mechanisms.

Main Methods:

• Analysis of genetic expression patterns (transcriptome, proteome).
• Assessment of biochemical (metabolome), structural, and functional cellular changes.
• Review of studies on nutritional, oxidative, cold, and heat stress effects.

Main Results:

• Nutritional stress in Escherichia coli leads to DNA damage and mutagenesis.
• Nutritional and oxidative stress in Candida glabrata affects subtelomeric silencing.
• Cold stress in E. coli results in RNA degradation.
• Oxidative and heat stress in E. coli induce differential protein synthesis.

Conclusions:

• Diverse environmental stresses elicit specific cellular responses in bacteria and fungi.
• These responses involve complex regulatory networks affecting gene expression and cellular functions.
• Further research is needed to fully elucidate the mechanisms of cellular adaptation to stress.