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Reference Detail
| Reference | ||
|---|---|---|
| Author | Li F., Wang K., Zhang X., Han P., Liu Y., Zhang J., Peng T., Li J., Zhao Y., Sun H., Du Y. | |
| Title | <i>BPB1</i> regulates rice (<i>Oryza sative</i> L.) panicle length and panicle branch development by promoting lignin and inhibiting cellulose accumulation. | |
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Abstract: Panicle structure is one of the most important agronomic traits directly related to rice yield. This study identified a rice mutant <i>basal primary branch 1</i> (<i>bpb1</i>), which exhibited a phenotype of reduced panicle length and arrested basal primary branch development. In addition, lignin content was found to be increased while cellulose content was decreased in <i>bpb1</i> young panicles. Map-based cloning methods characterized the gene <i>BPB1</i>, which encodes a peptide transporter (PTR) family transporter. Phylogenetic tree analysis showed that the <i>BPB1</i> family is highly conserved in plants, especially the PTR2 domain. It is worth noting that <i>BPB1</i> is divided into two categories based on monocotyledonous and dicotyledonous plants. Transcriptome analysis showed that <i>BPB1</i> mutation can promote lignin synthesis and inhibit cellulose synthesis, starch and sucrose metabolism, cell cycle, expression of various plant hormones, and some star genes, thereby inhibiting rice panicle length, resulting in basal primary branch development stagnant phenotypes. In this study, <i>BPB1</i> provides new insights into the molecular mechanism of rice panicle structure regulation by <i>BPB1</i> by regulating lignin and cellulose content and several transcriptional metabolic pathways. The online version contains supplementary material available at 10.1007/s11032-023-01389-x. |
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| Journal | Mol. Breed. | |
| Country | unknown | |
| Volume | 43(5) | |
| Pages | 41 | |
| Year | 2023 | |
| PubMed ID | 37312745 | |
| PubMed Central ID | 10248638 | |
| DOI | 10.1007/s11032-023-01389-x | |
| URL | - | |
| Relation | ||
| Gene | SP1 | |
| 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 | - | |
