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| Content Provider | Springer Nature Link |
|---|---|
| Author | Vicentini, Renato Maria Felix, Juliana Dornelas, Marcelo Carnier Messi, Marcelo |
| Copyright Year | 2008 |
| Abstract | The present article reports on the characterization of ScBAK1, a leucine-rich repeat receptor-like kinase from sugarcane (Saccharum spp.), expressed predominantly in bundle-sheath cells of the mature leaf and potentially involved in cellular signaling cascades mediated by high levels of sugar in this organ. In this report, it was shown that the ScBAK1 sequence was similar to the brassinosteroid insensitive1-associated receptor kinase1 (BAK1). The putative cytoplasmatic domain of ScBAK1 contains all the amino acids characteristic of protein kinases, and the extracellular domain contains five leucine-rich repeats and a putative leucine zipper. Transcripts of ScBAK1 were almost undetectable in sugarcane roots or in any other sink tissue, but accumulated abundantly in the mature leaves. The ScBAK1 expression was higher in the higher sugar content individuals from a population segregating for sugar content throughout the growing season. In situ hybridization in sugarcane leaves showed that the ScBAK1 mRNA accumulated at much higher levels in bundle-sheath cells than in mesophyll cells. In addition, using biolistic bombardment of onion epidermal cells, it was shown that ScBAK1-GFP fusions were localized in the plasma membrane as predicted for a receptor kinase. All together, the present data indicate that ScBAK1 might be a receptor involved in the regulation of specific processes in bundle-sheath cells and in sucrose synthesis in mature sugarcane leaves. |
| Starting Page | 481 |
| Ending Page | 491 |
| Page Count | 11 |
| File Format | |
| ISSN | 07217714 |
| Journal | Plant Cell Reports |
| Volume Number | 28 |
| Issue Number | 3 |
| e-ISSN | 1432203X |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2008-12-19 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Brassinosteroid signaling Functional analysis Receptor-like kinases Saccharum Signal transduction Plant Biochemistry Biotechnology Plant Sciences Cell Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Medicine Agronomy and Crop Science |
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