Identification of salinity responsive genes in lavender through cDNA-AFLP

Currently, a global demand exists forlavender as a significant medicinal plant and source of essential oils. Freshwater and arable lands are two major factors that inhibit extensive farming of medicinal plants in Iran. Saline water from seas and salty soil may be new resources for agricultural use, especially for medicinal plants. We sought to extend our knowledge of the Lavandula angustifolia genome and molecular basis of its salinity tolerance by using cDNA amplified fragment length polymorphism (cDNA-AFLP) to investigate the changes in plant transcriptomes in response to NaCl. All identified transcript derived fragments (TDF) were assigned as novel L. angustifolia genes related to signal transduction, regulation of gene expression, alternative splicing, autophagy, and secondary metabolite biosynthesis. qRT-PCR analysis of the TDFs in response to different concentrations of NaCl revealed various levels of mRNA of the identified genes in this plant. Our findings provided primary insights into the molecular response of L. angustifolia to salinity.

Abstract licence: CC BY-NC

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