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Reference Detail
| Reference | ||
|---|---|---|
| Author | Cao L., Gao Y., Yu J., Niu S., Zeng J., Yao Q., Wang X., Bu Z., Xu T., Liu X., Zhu Y. | |
| Title | Streptomyces hygroscopicus OsiSh-2-induced mitigation of Fe deficiency in rice plants. | |
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Abstract: The limited availability of nutrient Fe severely impairs the health of almost all organisms. Endophytic actinobacteria can benefit the host plant in different ways. We previously inferred that the rice (Oryza) endophytic Streptomyces hygroscopicus OsiSh-2 possesses a highly efficient Fe-acquisition system. In this work, we first evaluated the effects of OsiSh-2 on the Fe-deficiency resilience of the host rice. The results demonstrated that the inoculation of OsiSh-2 considerably increased the plant biomass, Fe concentration and translocation factor, and chlorophyll content, and net leaf photosynthetic rate under Fe limiting condition. The expression of genes involved with Fe3+-reduction-related strategy in rice was up-regulated, while that involved with Fe3+-chelation-related strategy was down-regulated by OsiSh-2 treatment. Meanwhile, the OsiSh-2-rice symbiont showed enhancement of Fe3+-chelate reductase activity, total siderophore production, and acidification trend in the rhizosphere under Fe deficiency compared to plants without this endophyte. In conclusion, endophytic OsiSh-2 could protect plants against Fe-deficient stress by a sophisticated interaction with the host, including modulating Fe chelation, solubilization, reduction and translocation, ultimately leading to enhanced fitness of plant. |
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| Journal | Plant Physiol. Biochem. | |
| Country | China | |
| Volume | 158 | |
| Pages | 275-283 | |
| Year | 2021 | |
| PubMed ID | 33243710 | |
| PubMed Central ID | - | |
| DOI | 10.1016/j.plaphy.2020.11.013 | |
| URL | - | |
| Relation | ||
| Gene | FRDL1 FRO2 IRT1 NAS1 NAS2 NRAMP1 YSL15 | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
|
Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
