Molecular Basis and Regulation of Ammonium Transporter in Rice
| Autor: | Bao-zhen Li, Su-mei Li, Mike Merrick, Wei-ming Shi, Hong-ying Li, Yan-hua Su, Shu-wen Zhu |
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| Rok vydání: | 2009 |
| Předmět: |
Future studies
Phosphorylation sites expression regulation Chemistry rice ammonium transporter food and beverages Transporter Plant Science phosphorylation site lcsh:Plant culture chemistry.chemical_compound Biochemistry Molecular mechanism Phosphorylation lcsh:SB1-1110 Ammonium Agronomy and Crop Science Gene Integral membrane protein Biotechnology |
| Zdroj: | Rice Science, Vol 16, Iss 4, Pp 314-322 (2009) |
| ISSN: | 1672-6308 |
| DOI: | 10.1016/s1672-6308(08)60096-7 |
| Popis: | Rice grows in flooded paddy fields and takes up ammonium as the preferred nitrogen (N) source. Ammonium uptake is facilitated by a family of integral membrane proteins known as ammonium transporters found in all domains of life. However, the molecular mechanism and functional characteristics of the ammonium transporters (AMT) in rice have not been determined in detail yet. In this review, we report a genome-wide search for AMT genes in rice, resulting in the increase of the number of potential AMT proteins to at least 12, including members of both the alpha and beta sub-groups. Analysis of the predicted protein sequences for the 12 OsAMT proteins identified many conserved phosphorylation sites in both the alpha and beta group members, which could potentially play a role in controlling the activity of the transporters. Present knowledge of the expression of rice AMT genes is also summarized in detail. Future studies should focus on the structural and functional characteristics of OsAMT proteins to provide insight into the mechanism of ammonium uptake and its regulation in rice. Such research could improve utilization and decrease wastage of N fertilizer in rice cultivation. |
| Databáze: | OpenAIRE |
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