Journal
MICROBIOLOGY SPECTRUM
Volume 5, Issue 4, Pages -Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/microbiolspec.FUNK-0048-2016
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Funding
- European Research Council (STRIFE) [ERC-2009-AdG-249793]
- UK Medical Research Council [MR/M026663/1, MR/N006364/1]
- UK Biotechnology and Biological Research Council [BB/K017365/1, BB/K016939/1]
- Wellcome Trust [080088, 097377]
- Canadian Institutes of Health Research Operating Grants [MOP-86452, MOP-119520]
- Natural Sciences and Engineering Research Council (NSERC) of Canada Discovery Grants [06261, 462167]
- NSERC E.W.R. Steacie Memorial Fellowship [477598]
- National Institutes of Health [R01AI120958]
- Canada Research Chair in Microbial Genomics and Infectious Disease
- Spanish Ministerio de Innovacion y Competitividad [BIO2013-47870-R]
- European Commission [FP7-PEOPLE-ITN-607963]
- Junta de Andalucia [BIO296]
- BBSRC [BB/K016393/1, BB/K017365/1, BB/P020119/1] Funding Source: UKRI
- MRC [MR/N006364/1, MR/M026663/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/P020119/1, BB/K017365/1, BB/K016393/1] Funding Source: researchfish
- Medical Research Council [MR/M026663/1, MR/N006364/1] Funding Source: researchfish
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Fungal species display an extraordinarily diverse range of lifestyles. Nevertheless, the survival of each species depends on its ability to sense and respond to changes in its natural environment. Environmental changes such as fluctuations in temperature, water balance or pH, or exposure to chemical insults such as reactive oxygen and nitrogen species exert stresses that perturb cellular homeostasis and cause molecular damage to the fungal cell. Consequently, fungi have evolved mechanisms to repair this damage, detoxify chemical insults, and restore cellular homeostasis. Most stresses are fundamental in nature, and consequently, there has been significant evolutionary conservation in the nature of the resultant responses across the fungal kingdom and beyond. For example, heat shock generally induces the synthesis of chaperones that promote protein refolding, antioxidants are generally synthesized in response to an oxidative stress, and osmolyte levels are generally increased following a hyperosmotic shock. In this article we summarize the current understanding of these and other stress responses as well as the signaling pathways that regulate them in the fungi. Model yeasts such as Saccharomyces cerevisiae are compared with filamentous fungi, as well as with pathogens of plants and humans. We also discuss current challenges associated with defining the dynamics of stress responses and with the elaboration of fungal stress adaptation under conditions that reflect natural environments in which fungal cells may be exposed to different types of stresses, either sequentially or simultaneously.
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