DREB is a plant-specific transcription factor family that plays pleiotropic regulatory role in response to abiotic stresses such as drought and cold. In this study, we identified 51 genes of Camellia oleifera. These CoDREBs ranged from 88 518 amino acids (average/median 259/237 aa). The predicted molecular weights (MW) the CoDREB proteins 9.7 kDa 59.6 kDa, isoelectric points (pI) 4.62 10.44. A ...

The dehydration-responsive element binding (DREB) transcription factors binds to dehydration responsive element (DRE)/C-repeat (CRT) cis-element, induces a set of abiotic stress-related genes and imparts stress endurance to plants. In the present study, a DREB1 like gene, designated as LlDREB1A, was isolated from highly cold adapted ecotype of Lepidium latifolium L. Its full-length cDNA (JN5615...

Polyamines play pivotal roles in plant defense to environmental stresses. However, stress tolerance of genetically engineered plants for polyamine biosynthesis has been little examined so far. We cloned spermidine synthase cDNA from Cucurbita ficifolia and the gene was introduced to Arabidopsis thaliana under the control of the cauliflower mosaic virus 35S promoter. The transgene was stably int...

Defects in RNA processing and degradation pathways often lead to developmental abnormalities, impaired hormonal signaling and altered resistance to abiotic and biotic stress. Here we report that components of the 5'-3' mRNA decay pathway, DCP5, LSM1-7 and XRN4, contribute to a proper response to a key plant hormone abscisc acid (ABA), albeit in a different manner. Plants lacking DCP5 are more s...

ABF2 is a basic leucine zipper protein that regulates abscisic acid (ABA)-dependent stress-responsive gene expression. We carried out yeast two-hybrid screens to isolate genes encoding ABF2-interacting proteins in Arabidopsis (Arabidopsis thaliana). Analysis of the resulting positive clones revealed that two of them encode an AP2 domain protein, which is the same as AtERF48/DREB2C. This protein...