MoGrr1, a novel F-box protein, is involved in conidiogenesis and cell wall integrity and is critical for the full virulence of Magnaporthe oryzae
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| 024 | 7 | 0 | |a 10.1007/s00253-015-6820-x |2 doi |
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| 245 | 0 | 0 | |a MoGrr1, a novel F-box protein, is involved in conidiogenesis and cell wall integrity and is critical for the full virulence of Magnaporthe oryzae |h [Elektronische Daten] |c [Min Guo, Fei Gao, Xiaolei Zhu, Xiang Nie, YueMin Pan, Zhimou Gao] |
| 520 | 3 | |a The production of asexual spores plays a critical role in rice blast disease. However, the mechanisms of the genes involved in the conidiogenesis pathway are not well understood. F-box proteins are specific adaptors to E3 ubiquitin ligases that determine the fate of different substrates in ubiquitin-mediated protein degradation and play diverse roles in fungal growth regulation. Here, we identify a Saccharomyces cerevisiae Grr1 homolog, MoGrr1, in Magnaporthe oryzae. Targeted disruption of Mogrr1 resulted in defects in vegetative growth, melanin pigmentation, conidial production, and resistance to oxidative stress, and these mutants consequently exhibited attenuated virulence to host plants. Microscopy studies revealed that the inability to form conidiophores is responsible for the defect in conidiation. Although the Mogrr1 mutants could develop melanized appressoria from hyphal tips, the appressoria were unable to penetrate into plant tissues due to insufficient turgor pressure within the appressorium, thereby attenuating the virulence of the mutants. Quantitative RT-PCR results revealed significantly decreased expression of chitin synthase-encoding genes, which are involved in fungal cell wall integrity, in the Mogrr1 mutants. The Mogrr1 mutants also displayed reduced expression of central components of the MAP kinase and cAMP signaling pathways, which are required for appressorium differentiation. Furthermore, domain complementation analysis indicated that two putative protein-interacting domains in MoGrr1 play essential roles during fungal development and pathogenicity. Taken together, our results suggest that MoGrr1 plays essential roles in fungal development and is required for the full virulence of M. oryzae. | |
| 540 | |a Springer-Verlag Berlin Heidelberg, 2015 | ||
| 690 | 7 | |a Magnaporthe oryzae |2 nationallicence | |
| 690 | 7 | |a Conidiation |2 nationallicence | |
| 690 | 7 | |a Appressoria formation |2 nationallicence | |
| 690 | 7 | |a Cell wall integrity |2 nationallicence | |
| 690 | 7 | |a Pathogenicity |2 nationallicence | |
| 700 | 1 | |a Guo |D Min |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | |
| 700 | 1 | |a Gao |D Fei |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | |
| 700 | 1 | |a Zhu |D Xiaolei |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | |
| 700 | 1 | |a Nie |D Xiang |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | |
| 700 | 1 | |a Pan |D YueMin |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | |
| 700 | 1 | |a Gao |D Zhimou |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | |
| 773 | 0 | |t Applied Microbiology and Biotechnology |d Springer Berlin Heidelberg |g 99/19(2015-10-01), 8075-8088 |x 0175-7598 |q 99:19<8075 |1 2015 |2 99 |o 253 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s00253-015-6820-x |q text/html |z Onlinezugriff via DOI |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 900 | 7 | |a Metadata rights reserved |b Springer special CC-BY-NC licence |2 nationallicence | |
| 908 | |D 1 |a research-article |2 jats | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-springer | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s00253-015-6820-x |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Guo |D Min |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Gao |D Fei |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Zhu |D Xiaolei |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Nie |D Xiang |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Pan |D YueMin |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Gao |D Zhimou |u Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, 230036, Hefei, China |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Applied Microbiology and Biotechnology |d Springer Berlin Heidelberg |g 99/19(2015-10-01), 8075-8088 |x 0175-7598 |q 99:19<8075 |1 2015 |2 99 |o 253 | ||