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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Taïbi, Khaled Del Campo, Antonio D. Vilagrosa, Alberto Bellés, José María López-Gresa, M.P. López-Nicolás, José M. Mulet, José M. |
| Abstract | Background Forest species ranges are confined by environmental limitations such as cold stress. The natural range shifts of pine forests due to climate change and proactive-assisted population migration may each be constrained by the ability of pine species to tolerate low temperatures, especially in northern latitudes or in high altitudes. The aim of this study is to characterize the response of cold-tolerant versus cold-sensitive Pinus halepensis (P. halepensis) seedlings at the physiological and the molecular level under controlled cold conditions to identify distinctive features which allow us to explain the phenotypic difference. With this objective gas-exchange and water potential was determined and the photosynthetic pigments, soluble sugars, glutathione and free amino acids content were measured in seedlings of different provenances under control and cold stress conditions. Results Glucose and fructose content can be highlighted as a potential distinctive trait for cold-tolerant P. halepensis seedlings. At the amino acid level, there was a significant increase and accumulation of glutathione, proline, glutamic acid, histidine, arginine and tryptophan along with a significant decrease of glycine. Conclusion Our results established that the main difference between cold-tolerant and cold-sensitive seedlings of P. halepensis is the ability to accumulate the antioxidant glutathione and osmolytes such as glucose and fructose, proline and arginine. |
| Related Links | https://bmcplantbiol.biomedcentral.com/counter/pdf/10.1186/s12870-018-1464-5.pdf |
| Ending Page | 11 |
| Page Count | 11 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 14712229 |
| DOI | 10.1186/s12870-018-1464-5 |
| Journal | BMC Plant Biology |
| Issue Number | 1 |
| Volume Number | 18 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2018-10-16 |
| Access Restriction | Open |
| Subject Keyword | Plant Sciences Agriculture Tree Biology Pinus halepensis Climate change Cold stress Soluble sugars Osmolytes Antioxidants Glutathione Free amino acids Seed source evaluation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science |
| Journal Impact Factor | 4.3/2023 |
| 5-Year Journal Impact Factor | 5.2/2023 |
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