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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wang, X. T. Guo, N. Sun, J. T. Li, L. H. Wu, Z. Y. Xing, H. Zhao, J. M. |
| Description | Country affiliation: China Author Affiliation: Li LH ( State Key Laboratory of Crop Genetics and Germplasm Enhancement, National Center for Soybean Improvement, Nanjing Agricultural University, Nanjing, China.); Guo N ( State Key Laboratory of Crop Genetics and Germplasm Enhancement, National Center for Soybean Improvement, Nanjing Agricultural University, Nanjing, China.); Wu ZY ( State Key Laboratory of Crop Genetics and Germplasm Enhancement, National Center for Soybean Improvement, Nanjing Agricultural University, Nanjing, China.); Zhao JM ( State Key Laboratory of Crop Genetics and Germplasm Enhancement, National Center for Soybean Improvement, Nanjing Agricultural University, Nanjing, China.); Sun JT ( State Key Laboratory of Crop Genetics and Germplasm Enhancement, National Center for Soybean Improvement, Nanjing Agricultural University, Nanjing, China.); Wang XT ( State Key Laboratory of Crop Genetics and Germplasm Enhancement, National Center for Soybean Improvement, Nanjing Agricultural University, Nanjing, China.); Xing H ( State Key Laboratory of Crop Genetics and Germplasm Enhancement, National Center for Soybean Improvement, Nanjing Agricultural University, Nanjing, China.) |
| Abstract | Available phosphate (Pi) is a major limiting factor for plant growth, development, and productivity. Phosphate starvation response 1 (PHR1) is a binding dimer that binds to an imperfect palindromic sequence. PHR1-binding sequences (GnATATnC) exist in the promoter of Pi starvation-responsive structural genes, indicating an effect occurring downstream in the Pi starvation signaling pathway. These sequences are referred to as PHR1-binding site (P1BS) structures. In this study, the sequences of GmPHR1 and GmSPX1 from Glycine max (L.) Merr. soybean were determined and analyzed. We found that GmPHR1 is an MYB-related transcription factor. In addition, GmSPX1 contained a P1BS structure, which is an important cis-regulatory motif in the phosphate signaling pathway. We found that GmPHR1 can physically interact with GmSPX1 through the cis-element, which may be a major pathway for the GmPHR1-mediated Pi starvation stress response. Thus, the P1BS structure in the Pi starvation signaling pathway is an important cis-regulatory motif that improves the tolerance to low phosphorus conditions in soybean. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 3 |
| Volume Number | 14 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2015-08-14 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Binding Sites Dna-binding Proteins Genetics Metabolism Nucleotide Motifs Phosphates Soybeans Stress, Physiological Amino Acid Sequence Cloning, Molecular Chemistry Molecular Sequence Data Protein Binding Regulatory Sequences, Nucleic Acid Sequence Alignment Sequence Analysis, Dna Research Support, Non-u.s. Gov't Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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