- Published
- 2021-11-18
- Venue
- Plant Biology, vol. 24, no. 2, pp. 227-239
- Cited by
- 780
- Open access
- No free copy found
- DOI
- 10.1111/plb.13363
- PubMed
- 34796604
Abstract
Abiotic stresses have a detrimental impact on plant growth and productivity and are a major threat to sustainable crop production in rapidly changing environments. Proline, an important amino acid, plays an important role in maintaining the metabolism and growth of plants under abiotic stress conditions. Many insights indicate a positive relationship between proline accumulation and tolerance of plants to various abiotic stresses. Because of its metal chelator properties, it acts as a molecular chaperone, an antioxidative defence molecule that scavenges reactive oxygen species (ROS), as well as having signalling behaviour to activate specific gene functions that are crucial for plant recovery from stresses. It also acts as an osmoprotectant, a potential source to acquire nitrogen as well as carbon, and plays a significant role in the flowering and development of plants. Overproduction of proline in plant cells contributes to maintaining cellular homeostasis, water uptake, osmotic adjustment and redox balance to restore the cell structures and mitigate oxidative damage. Many reports reveal that transgenic plants, particularly those overexpressing genes tailored for proline accumulation, exhibit better adaptation to abiotic stresses. Therefore, this review aims to provide a comprehensive update on proline biosynthesis and accumulation in plants and its putative regulatory roles in mediating plant defence against abiotic stresses. Additionally, the current and future directions in research concerning manipulation of proline to induce gene functions that appear promising in genetics and genomics approaches to improve plant adaptive responses under changing climate conditions are also highlighted.
Cite this paper
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- APA 7
Ghosh, U. K., Islam, M. N., Siddiqui, M. N., Cao, X., & Khan, M. A. R. (2021). Proline, a multifaceted signalling molecule in plant responses to abiotic stress: understanding the physiological mechanisms. Plant Biology, 24(2), 227–239. https://doi.org/10.1111/plb.13363
- MLA 9
Ghosh, Uttam Kumar, et al. "Proline, a multifaceted signalling molecule in plant responses to abiotic stress: understanding the physiological mechanisms." Plant Biology, vol. 24, no. 2, 2021, pp. 227–239, https://doi.org/10.1111/plb.13363.
- Chicago
Ghosh, Uttam Kumar, Md. Nahidul Islam, Md. Nurealam Siddiqui, Xiaohuang Cao, and Md. Arifur Rahman Khan. "Proline, a multifaceted signalling molecule in plant responses to abiotic stress: understanding the physiological mechanisms." Plant Biology 24, no. 2 (2021): 227–239. https://doi.org/10.1111/plb.13363.
- GOST
Ghosh U. K., Islam M. N., Siddiqui M. N. [и др.] Proline, a multifaceted signalling molecule in plant responses to abiotic stress: understanding the physiological mechanisms // Plant Biology. — 2021. — Vol. 24, № 2. — P. 227–239. — URL: https://doi.org/10.1111/plb.13363
- BibTeX
@article{ghosh2021proline, title = {{Proline, a multifaceted signalling molecule in plant responses to abiotic stress: understanding the physiological mechanisms}}, author = {Uttam Kumar Ghosh and Md. Nahidul Islam and Md. Nurealam Siddiqui and Xiaohuang Cao and Md. Arifur Rahman Khan}, journal = {Plant Biology}, year = {2021}, volume = {24}, number = {2}, pages = {227--239}, doi = {10.1111/plb.13363}, url = {https://doi.org/10.1111/plb.13363} }- RIS
TY - JOUR AU - Ghosh, Uttam Kumar AU - Islam, Md. Nahidul AU - Siddiqui, Md. Nurealam AU - Cao, Xiaohuang AU - Khan, Md. Arifur Rahman TI - Proline, a multifaceted signalling molecule in plant responses to abiotic stress: understanding the physiological mechanisms JO - Plant Biology VL - 24 IS - 2 SP - 227 EP - 239 PY - 2021 DA - 2021/11/18 DO - 10.1111/plb.13363 UR - https://doi.org/10.1111/plb.13363 ER -
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