Journal
FEBS LETTERS
Volume 583, Issue 19, Pages 3291-3295Publisher
WILEY
DOI: 10.1016/j.febslet.2009.09.026
Keywords
Catalase; Hyphal development; Nucleoside diphosphate kinase; Reactive oxygen species; Neurospora
Funding
- Japanese Society for the Promotion of Science
- Yamada Science Foundation
- Yokohama Academic Foundation
- YCU
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) [21790227]
- Nissan Motor Co., Ltd.
- Japanese Ministry of Agriculture
- Rural Development Administration (RDA), Republic of Korea [PJ00672920091136300] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Grants-in-Aid for Scientific Research [21790227] Funding Source: KAKEN
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A nucleoside diphosphate kinase-1-disrupted (ndk-1(RIP-1)) mutant was observed to be defective in aerial hyphal and conidial development. In this study, two types of hyphae, fine and thick, were observed in wild-type (Wt) strains. However, only fine-type hyphae were observed in the ndk-1(RIP-1) mutants. The ndk-1(RIP-1) mutants were stimulated by oxidative stress and constitutively expressed an antioxidant enzyme catalase (CAT)-3. Furthermore the ndk-1(RIP-1) mutants could form thick hyphae by oxidative stress and a disruption of cat-3. These results suggest that the loss of thick hyphae in the ndk-1(RIP-1) mutants may be caused by the over-expression of cat-3. (C) 2009 Published by Elsevier B.V. on behalf of the Federation of European Biochemical Societies.
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