TITLE:
In silico Analysis of the Entire P. glaucum Genome Identifies Regulatory Genes of the bZIP Family Modulated in Response Pathways to Water Stress
AUTHORS:
Laura Beatriz Garay Farías, Sergio Litwiniuk, Cristian Antonio Rojas
KEYWORDS:
P. glaucum, Water Stress, RNA-seq, cis Elements, FT PgBZIP
JOURNAL NAME:
American Journal of Plant Sciences,
Vol.13 No.2,
February
25,
2022
ABSTRACT: The literature reviewed places P. glaucum as a cereal characterized by its nutritional quality and
high tolerance to drought stress. However, very little is known about the fine
mechanism it uses in response to water stress. To try to clarify this point, we
carried out an analysis of the modulation of the expression of regulatory genes
of the FT bZIP family. A full genome screening of P. glaucum identified 52 putative FT bZIPs, identifying 9 FT PgbZIP
differentially expressed under water stress conditions filtered from RNA-seq
data from a Transcriptome deposited at the NCBI. The promoter regions of these
genes presented multiple elements or cis ABREs and DRE motifs, thus suggesting their double modulated participation in
the slow or adaptive response and in the rapid response of this cereal to water
stress. The findings of this study provide complementary data for the
understanding of the mechanism behind the adaptation of P. glaucum under water stress, and may be relevant for molecular
applications of potential crops.