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Reference Detail
| Reference | ||
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| Author | Han Y., Song L., Peng C., Liu X., Liu L., Zhang Y., Wang W., Zhou J., Wang S., Ebbole D., Wang Z., Lu G.D. | |
| Title | A <i>Magnaporthe</i> Chitinase Interacts with a Rice Jacalin-Related Lectin to Promote Host Colonization. | |
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Abstract: The genome of rice blast fungus (<i>Magnaporthe oryzae</i>) encodes 15 glycoside hydrolase 18 family chitinases. In this study, we characterized the function of an <i>M. oryzae</i> extracellular chitinase, MoChi1, and its interaction with a host protein, OsMBL1, a jacalin-related Mannose-Binding Lectin (MBL) in rice (<i>Oryza sativa</i>). Deletion of <i>MoChi1</i> resulted in reduced aerial hyphal formation and reduced virulence in rice by activating the expression of defense-responsive genes. We confirmed MoChi1 interaction with rice OsMBL1 in vitro and in vivo. <i>OsMBL1</i> was induced by pathogen-associated molecular patterns and <i>M. oryzae</i> infection. Overexpression of <i>OsMBL1</i> led to activation of rice defense-responsive genes and a chitin-induced reactive oxygen species burst, thereby enhancing resistance to <i>M. oryzae</i> Knockdown of <i>OsMBL1</i> enhances susceptibility of rice plants to <i>M. oryzae</i> Furthermore, MoChi1 suppressed chitin-induced reactive oxygen species in rice cells and competed with OsMBL1 for chitin binding. Taken together, our study reveals a mechanism in which MoChi1 targets a host Lectin to suppress rice immunity. |
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| Journal | Plant Physiol. | |
| Country | China | |
| Volume | 179(4) | |
| Pages | 1416-1430 | |
| Year | 2019 | |
| PubMed ID | 30696749 | |
| PubMed Central ID | 6446787 | |
| DOI | 10.1104/pp.18.01594 | |
| URL | - | |
| Relation | ||
| Gene | ABA45 AOS2 NAC96 PAL1 PR10A SALT SGT1 WRKY45 WRKY71 | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
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Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
