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Reference Detail
| Reference | ||
|---|---|---|
| Author | Shao J.F., Yamaji N., Liu X.W., Yokosho K., Shen R.F., Ma J.F. | |
| Title | Preferential Distribution of Boron to Developing Tissues Is Mediated by the Intrinsic Protein OsNIP3. | |
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Abstract: Boron is especially required for the growth of meristem and reproductive organs, but the molecular mechanisms underlying the preferential distribution of B to these developing tissues are poorly understood. Here, we show evidence that a member of nodulin 26-like intrinsic protein (NIP), OsNIP3;1, is involved in this preferential distribution in rice (<i>Oryza sativa</i>). <i>OsNIP3</i>;<i>1</i> was highly expressed in the nodes and its expression was up-regulated by B deficiency, but down-regulated by high B. OsNIP3;1 was polarly localized at the xylem parenchyma cells of enlarged vascular bundles of nodes facing toward the xylem vessels. Furthermore, this protein was rapidly degraded within a few hours in response to high B. Knockout of this gene hardly affected the uptake and root-to-shoot translocation of B, but altered B distribution in different organs in the above-ground parts, decreased distribution of B to the new leaves, and increased distribution to the old leaves. These results indicate that OsNIP3;1 located in the nodes is involved in the preferential distribution of B to the developing tissues by unloading B from the xylem in rice and that it is regulated at both transcriptional and protein level in response to external B level. |
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| Journal | Plant Physiol. | |
| Country | Japan | |
| Volume | 176(2) | |
| Pages | 1739-1750 | |
| Year | 2018 | |
| PubMed ID | 29217595 | |
| PubMed Central ID | 5813552 | |
| DOI | 10.1104/pp.17.01641 | |
| URL | - | |
| Relation | ||
| Gene | ASA LSI1 | |
| 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 | - | |
