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Toxins 2010, 2(4), 367-381; doi:10.3390/toxins2040367

Role of the Osmotic Stress Regulatory Pathway in Morphogenesis and Secondary Metabolism in Filamentous Fungi

1
Department of Biological Sciences, Lincoln Hwy. 1425W., Montgomery Hall, Northern Illinois University, DeKalb, IL 60115, USA
2
Food and Feed Safety Research Unit USDA, ARS, Southern Regional Research Center, 1100 Robert E. Lee Blvd, New Orleans, LA 70124, USA
*
Author to whom correspondence should be addressed.
Received: 19 February 2010 / Revised: 16 March 2010 / Accepted: 17 March 2010 / Published: 24 March 2010
(This article belongs to the Special Issue Advances in Mycotoxin Research)
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Abstract

Environmental stimuli trigger an adaptative cellular response to optimize the probability of survival and proliferation. In eukaryotic organisms from mammals to fungi osmotic stress, mainly through the action of the high osmolarity glycerol (HOG) pathway, leads to a response necessary for adapting and surviving hyperosmotic environments. In this review we show that the osmoadaptative response is conserved but not identical in different fungi. The osmoadaptative response system is also intimately linked to morphogenesis in filamentous fungi, including mycotoxin producers. Previous studies indicate that the response to osmotic stress is also coupled to the biosynthesis of natural products, including mycotoxins. View Full-Text
Keywords: Aspergillus; osmotic stress; regulation; morphogenesis; secondary metabolism Aspergillus; osmotic stress; regulation; morphogenesis; secondary metabolism
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Duran, R.; Cary, J.W.; Calvo, A.M. Role of the Osmotic Stress Regulatory Pathway in Morphogenesis and Secondary Metabolism in Filamentous Fungi. Toxins 2010, 2, 367-381.

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