Characterization of a novel cotton MYB gene, GhMYB108-like responsive to abiotic stresses


Transcriptional factors are the major regulators of plant signaling pathways in response to environmental stresses i.e., drought, salinity and cold. Hereby, the GhMYB108-like was characterized to determine whether it regulate these stresses. The GhMYB108-like cDNA consisted of 1107 base pairs (bp) with 807 open reading frame encoded a protein of 268 amino acids. Its isoelectric point and molecular weight are 5.51 and 30.3 kDa respectively. Phylogenetic analysis and online databases revealed that GhMYB108-like proteins are closely related with the Arabidopsis thaliana MYB2. Important cis-elements were detected in the promotor region of GhMYB108-like responding to stresses and phytohormones. The 3D structure of GhMYB108-like protein has been predicted. In addition, various physico-chemical properties of GhMYB108-like have been determined. Subcellular localization confirmed that GhMYB108-like are nuclear localized protein. Quantitative expression analysis showed that polyethylene glycol and salt treatments significantly induced the expression of GhMYB108-like. Overall, our findings suggest that GhMYB108-like is an important gene that would plays important regulatory role in response to drought and salt stresses.

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I am grateful to Chinese Scholarship Council who financially supported me during my PhD study. This study was funded by the National Key Project of Research and the Development Plan (2016YFD0101006). There is no conflict of interest between the authors.

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Correspondence to Abid Ullah or Xiyan Yang.

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Ullah, A., Ul Qamar, M.T., Nisar, M. et al. Characterization of a novel cotton MYB gene, GhMYB108-like responsive to abiotic stresses. Mol Biol Rep (2020).

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  • Bioinformatics
  • Cotton
  • Drought
  • GhMYB108-like
  • Salinity