Cited by 85Fungal and yeast genetics researchBacterial Genetics and BiotechnologyPolar Research and Ecology

Global Screening of Genes Essential for Growth in High-Pressure and Cold Environments: Searching for Basic Adaptive Strategies Using a Yeast Deletion Library

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Abe, Fumiyoshi, Minegishi, Hiroaki·2008·Genetics

Abstract

Microorganisms display an optimal temperature and hydrostatic pressure for growth. To establish the molecular basis of piezo- and psychroadaptation, we elucidated global genetic defects that give rise to susceptibility to high pressure and low temperature in Saccharomyces cerevisiae. Here we present 80 genes including 71 genes responsible for high-pressure growth and 56 responsible for low-temperature growth with a significant overlap of 47 genes. Numerous previously known cold-sensitive mutants exhibit marked high-pressure sensitivity. We identified critically important cellular functions: (i) amino acid biosynthesis, (ii) microautophagy and sorting of amino acid permease established by the exit from rapamycin-induced growth arrest/Gap1 sorting in the endosome (EGO/GSE) complex, (iii) mitochondrial functions, (iv) membrane trafficking, (v) actin organization mediated by Drs2-Cdc50, and (vi) transcription regulated by the Ccr4-Not complex. The loss of EGO/GSE complex resulted in a marked defect in amino acid uptake following high-pressure and low-temperature incubation, suggesting its role in surface delivery of amino acid permeases. Microautophagy and mitochondrial functions converge on glutamine homeostasis in the target of rapamycin (TOR) signaling pathway. The localization of actin requires numerous associated proteins to be properly delivered by membrane trafficking. In this study, we offer a novel route to gaining insights into cellular functions and the genetic network from growth properties of deletion mutants under high pressure and low temperature.

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Crossref · 10.1534/genetics.107.083063

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Authors
Abe, F., & Minegishi, H.
Affiliations
  • Japan Agency for Marine-Earth Science and Technology (JP)
  • Toyo University (JP)
Corresponding author
Abe, Fumiyoshi
Venue
Genetics
Published
2008-02-01
Volume
178
Issue
2
Pages
851-872
ISSN
  • 0016-6731 (ISSN-L)
  • 1943-2631
OpenAlex
W2129999012
Cited by
85
References
90
Citations by year
2026: 4 · 2025: 3 · 2024: 4 · 2023: 3 · 2022: 3 · 2021: 6 · 2020: 4 · 2019: 4 · 2018: 4 · 2017: 5 · 2016: 3 · 2015: 4 · 2014: 5 · 2013: 7 · 2012: 4
FWCI
3.01
Type
journal article
Language
en
Open access
Locations
  • Genetics (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Physical Sciences › Environmental Science › Ecology › Polar Research and Ecology
Keywords
high-pressure adaptation, cold adaptation, Saccharomyces cerevisiae, deletion mutants, amino acid biosynthesis, microautophagy, mitochondrial function, membrane trafficking, actin organization, CCR4-NOT complex, TOR signaling, amino acid uptake, cold-sensitive mutants
MeSH terms
Acclimatization, Cell Division, Cold Temperature, DNA, Fungal, Environment, Genetic Testing, Plasmids, Pressure, Saccharomyces cerevisiae, Gene Library, Gene Deletion, DNA Primers, Genes, Essential, DNA Fragmentation

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