Journal
PLANT SIGNALING & BEHAVIOR
Volume 14, Issue 11, Pages -Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15592324.2019.1667207
Keywords
LEA protein; drought stress; NaCl stress; transgenic Arabidopsis; wheat
Categories
Funding
- National Natural Science Foundation of China [31671608]
- Fundamental Research Funds for the Central Universities [Z109021567]
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Late embryogenesis abundant (LEA) proteins are highly hydrophilic and thermostable proteins that could be induced by abiotic stresses in plants. Previously, we have isolated a group 3 LEA gene WZY3-1 (GenBank: KX090360.1) in wheat. In this study, the recombinant plasmid with WZY3-1 was transformed into Escherichia coli BL21 for protein expression. Furthermore, we transformed WZY3-1 into Arabidopsis. Overexpression of WZY3-1 in E.coli enhanced their tolerance to mannitol and NaCl. WZY3-1 protein could protect lactate dehydrogenase (LDH) under freeze and heat stress. Overexpression of WZY3-1 showed that WZY3-1 could help to improve the drought tolerance of transgenic Arabidopsis. In summary, our works show that WZY3-1 plays an important role in abiotic stress resistance in prokaryotic and eukaryotic organisms.
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