An account of fungal 14-3-3 proteins

Area of Science:

• Molecular Biology
• Cell Biology
• Biochemistry

Background:

• 14-3-3 proteins are conserved acidic dimeric proteins found from yeast to humans.
• These proteins lack catalytic activity but are crucial for numerous cellular processes.
• Emerging evidence links 14-3-3 proteins to various medical conditions.

Purpose of the Study:

• To review the localization, interactions, transcription, and regulation of fungal 14-3-3 proteins.
• To discuss the diverse cellular roles of these proteins, with a focus on yeast.
• To provide a comprehensive understanding of 14-3-3 protein significance in cell physiology.

Main Methods:

• Literature review focusing on fungal 14-3-3 proteins.
• Analysis of protein localization, interactions, and transcriptional regulation.
• Compilation of roles in cellular processes such as DNA duplication, cell cycle, and stress response.

Main Results:

• Fungal 14-3-3 proteins are involved in DNA duplication, cell cycle progression, protein trafficking, apoptosis, autophagy, and gene expression.
• These proteins play a vital role in maintaining cell viability under stress conditions.
• Specific roles in carbon metabolism and spindle positioning were also discussed.

Conclusions:

• Fungal 14-3-3 proteins are critical regulators of fundamental cellular processes.
• Understanding yeast 14-3-3 proteins provides insights into broader eukaryotic cell physiology.
• This review emphasizes the multifaceted importance of 14-3-3 proteins in cellular functions.