Recent Breakthroughs in DNA Repair Enzymes Offer New Opportunities for Plant Stress Tolerance
Researchers from Heilongjiang University in China have made significant progress in understanding the role of DNA repair enzymes in plant stress tolerance. The study, published in Physiologia Plantarum, demonstrates the importance of DNA glycosylases in recognizing and repairing DNA damage caused by internal and external stresses. The research, funded by the National Natural Science Foundation of China and the Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region, provides valuable insights into the molecular mechanisms of plant stress tolerance.
Key Takeaways:
- The study highlights the crucial role of DNA glycosylases in plant stress responses, particularly in the base excision repair (BER) pathway.
- The research focuses on the classification, phylogeny, and conserved structural domains of DNA glycosylases in the plant base excision repair pathway.
- DNA glycosylases play a key role in recognizing and repairing DNA damage caused by internal and external stresses, which negatively affects plant growth and development.
- The study discusses new opportunities for the development of plant-derived DNA repair genes and DNA repair enzyme resources.
- The research has been peer-reviewed and published in Physiologia Plantarum, a leading international journal in plant biology.
- The authors, including Bing Yu, Ying Zhao, Daniel Chen, Inga R. Grin, and Dmitry O. Zharkov, investigated the molecular mechanisms of plant stress tolerance from the perspective of the DNA repair system.
Statistics:
- The study was funded by the National Natural Science Foundation of China (NSFC) and the Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region.
- The research was conducted at Heilongjiang University, in collaboration with the Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Harbin, People's Republic of China.
- The journal Physiologia Plantarum is published by Wiley-Blackwell and has an impact factor of 2.245 (according to the Journal Citation Reports).
- The study was published in the May 2025 issue of Physiologia Plantarum, volume 177, issue 2.
Sources:
- Developing Plant-derived Dna Repair Enzyme Resources Through Studying the Involvement of Base Excision Repair Dna Glycosylases In Stress Responses of Plants. Physiologia Plantarum, 2025; 177(2).
- Physiologia Plantarum. Wiley, 111 River St, Hoboken 07030-5774, NJ, USA. (Wiley-Blackwell - www.wiley.com/; Physiologia Plantarum - onlinelibrary.wiley.com/journal/10.1111/(ISSN)1399-3054)
- NewsRx. Reports from Heilongjiang University Highlight Recent Findings in DNA Repair Enzymes (Developing Plant-derived Dna Repair Enzyme Resources Through Studying the Involvement of Base Excision Repair Dna Glycosylases In Stress Responses of Plants). Life Science Weekly. May 13, 2025; p 3935.