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Budding Yeast Protein Extraction and Purification for the Study of Function, Interactions, and Post-translational Modifications
Published on: October 30, 2013
Moonlighting proteins in yeasts.
Carlos Gancedo1, Carmen-Lisset Flores
1Department of Metabolism and Cell Signaling, Instituto de Investigaciones Biomédicas Alberto Sols, CSIC-UAM, 28029 Madrid, Spain. cgancedo@iib.uam.es
Microbiology and Molecular Biology Reviews : MMBR
|March 7, 2008
Summary
Moonlighting proteins perform multiple jobs in yeast cells, impacting gene expression and metabolism. These versatile proteins add regulatory complexity and are crucial for yeast cell function.
Area of Science:
- Molecular Biology
- Yeast Genetics
- Biochemistry
Background:
- Moonlighting proteins are defined by their ability to participate in multiple, distinct biological processes.
- Yeast species harbor numerous moonlighting proteins essential for cellular functions.
- These proteins regulate diverse activities including gene expression, organelle assembly, and metabolic pathways.
Purpose of the Study:
- To review well-characterized moonlighting proteins in various yeast species.
- To examine experimental methods used for identifying moonlighting activities.
- To discuss the evidence supporting these proteins' unexpected functions.
Main Methods:
- Literature review of studies on yeast moonlighting proteins.
- Analysis of experimental approaches for identifying dual protein functions.
- Case studies of prominent moonlighting proteins, particularly glycolytic enzymes.
Main Results:
- Moonlighting proteins in yeast are involved in diverse cellular functions.
- Identification of moonlighting activities often occurs serendipitously.
- No reliable predictive methods for moonlighting functions currently exist.
- Glycolytic enzymes are frequently identified as moonlighting proteins in yeasts.
- Moonlighting functions are not always conserved across related yeast species.
Conclusions:
- Moonlighting proteins provide an additional regulatory layer in biological networks.
- Understanding moonlighting proteins is vital for yeast research, including mutant screening and metabolic modeling.
- These proteins highlight the complexity and adaptability of cellular regulation in yeasts.
