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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Benitez, L. C. Do Amaral, M. N. Vighi, I. L. Bianchi, V. J. Moraes, G. P. da Maia, L. C. Auler, P. A. Braga, E. J. B. |
| Spatial Coverage | Brazil |
| Description | Country affiliation: Brazil Author Affiliation: Moraes GP ( Departamento de Botânica, Universidade Federal de Pelotas, Pelotas, RS, Brasil.); Benitez LC ( Departamento de Botânica, Universidade Federal de Pelotas, Pelotas, RS, Brasil.); do Amaral MN ( Departamento de Botânica, Universidade Federal de Pelotas, Pelotas, RS, Brasil.); Vighi IL ( Departamento de Botânica, Universidade Federal de Pelotas, Pelotas, RS, Brasil.); Auler PA ( Departamento de Botânica, Universidade Federal de Pelotas, Pelotas, RS, Brasil.); da Maia LC ( Departamento de Fitotecnia, Universidade Federal de Pelotas, Pelotas, RS, Brasil.); Bianchi VJ ( Departamento de Botânica, Universidade Federal de Pelotas, Pelotas, RS, Brasil.); Braga EJ ( Departamento de Botânica, Universidade Federal de Pelotas, Pelotas, RS, Brasil.) |
| Abstract | Saline stress is one of the primary factors limiting increased rice productivity in the southern region of Brazil. Farming can be affected by salinity that is due to both the origin of the soils as well as the irrigation water. Lipid transfer proteins (LTPs) have many physiological functions, including in the response to saline stress. Therefore, the objective of this study was to quantify the relative expression of 11 genetic isoforms that encode LTP1-type proteins in rice genotypes tolerant and sensitive to saline stress in the vegetative period. When the plants reached development stage V4, alternating irrigation was started with nutritive solution and water containing 150 mM NaCl. The LTP7 gene showed an increase in expression by 13.81-fold after 96 h of stress exposure in the saline-tolerant group, whereas the LTP10 gene expression level was increased by 71.10-fold after 96 h in the saline-sensitive group. The LTP26, LTP23, and LTP18 genes showed increased expression in both genotypes; however, the expression levels and response times were different. Thus, LTP7 and LTP10 showed the highest response to salinity. The LTP18, LTP23, and LTP26 genes were negatively correlated with the response to salinity. |
| 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 | 2015-07-27 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Antigens, Plant Biosynthesis Carrier Proteins Oryza Sativa Genetics Plant Proteins Salinity Seedling Gene Expression Regulation, Plant Genotype Multigene Family Growth & Development Drug Effects Sodium Chloride Toxicity Stress, Physiological Research Support, Non-u.s. Gov't Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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