The AtNFXL1 gene encodes a NF‐X1 type zinc finger protein required for growth under salt stress
- 8 August 2006
- journal article
- Published by Wiley in FEBS Letters
- Vol. 580 (20) , 4851-4856
- https://doi.org/10.1016/j.febslet.2006.07.079
Abstract
The human NF-X1 protein and homologous proteins in eukaryotes represent a class of transcription factors which are characterised by NF-X1 type zinc finger motifs. The Arabidopsis genome encodes two NF-X1 homologs, which we termed AtNFXL1 and AtNFXL2. Growth and survival was impaired in atnfxl1 knock-out mutants and AtNFXL1-antisense plants under salt stress in comparison to wild-type plants. In contrast, 35S: :AtNFXL1 plants showed higher survival rates. The AtNFXL2 protein potentially plays an antagonistic role. The Arabidopsis NF-X1 type zinc finger proteins likely are part of regulatory mechanisms, which protect major processes such as photosynthesis.Keywords
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