Analysis of Heat Shock Transcription Factors (HSFs) Gene Family in Coffea arabica
DOI:
https://doi.org/10.25186/.v21i.2479Abstract
Coffee (Coffea arabica) is an important commodity with global trade reaching US$ 90 billion. Coffee production is greatly shaped by environmental factors to obtain high yield and quality. The growth of coffee plants is greatly influenced by how the plant responds to various stresses. Heat shock factors (HSFs) play a role in plant growth and its response to stress. This study aims to analyze the role and characteristics of heat shock protein (HSP) in C. arabica plants (CaHSF). The analysis method was carried out bioinformatically consisting of HSF identification in C. arabica genome, analysis of physical properties, structure, motifs, subcellular localization, phylogenetics, chromosomal localization, and protein interactions. C. arabica contains 54 HSF genes that exhibit diverse intron–exon arrangements, and motifs 1 and 3 are conserved across all CaHSFs. The analysis of the CaHSF gene promoters contain several cis-acting elements that play a role in responding to stress in plants such as ARE, ABRE, LTR and MBS. All CaHSF proteins exhibit a strong degree of subcellular localization in the nucleus and the phylogenetic results of these proteins are grouped into a single clade according to their respective species. CaHSF proteins interactions are also involved with WD-repeats proteins that function in stress regulation and plant development.
Key words: Coffea arabica; Heat shock factors (HSFs); Plant stress
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