Thiol redox state and related enzymes in sclerotium-forming filamentous phytopathogenic fungi

Mycological Research
Nikolaos Patsoukis, D Christos Georgiou

Abstract

Thiol redox state (TRS) reduced and oxidized components form profiles characteristic of each of the four main types of differentiation in the sclerotiogenic phytopathogenic fungi: loose, terminal, lateral-chained, and lateral-simple, represented by Rhizoctonia solani, Sclerotinia sclerotiorum, Sclerotium rolfsii, and Sclerotinia minor, respectively. A common feature of these fungi is that as their undifferentiated mycelium enters the differentiated state, it is accompanied by a decrease in the low oxidative stress-associated total reduced thiols and/or by an increase of the high oxidative stress-associated total oxidized thiols either in the sclerotial mycelial substrate or in its corresponding sclerotium, indicating a relationship between TRS-related oxidative stress and sclerotial differentiation. Moreover, the four studied sclerotium types exhibit high activities of TRS-related antioxidant enzymes, indicating the existence of antioxidant protection of the hyphae of the sclerotium medulla until conditions become appropriate for sclerotium germination.

References

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Jul 30, 2003·Mycological Research·George ZervoudakisChristos D Georgiou
Feb 27, 2004·Analytical and Bioanalytical Chemistry·Nikolaos Patsoukis, Christos D Georgiou
Mar 2, 2005·Trends in Microbiology·Jesús AguirreWilhelm Hansberg
Nov 2, 2005·Analytical and Bioanalytical Chemistry·Nikolaos Patsoukis, Christos D Georgiou
Jun 14, 2006·Mycological Research·Richard S Winder
Dec 1, 2006·Integrative and Comparative Biology·Christos D GeorgiouGeorge Zervoudakis

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Citations

Jun 20, 2013·BMC Genomics·Zhangyong SongZhongkang Wang
Jan 7, 2014·Microbiological Research·Ioannis PapapostolouChristos D Georgiou
Aug 5, 2010·Journal of Applied Microbiology·I Papapostolou, C D Georgiou

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