Proteins of the SWEET (Sugar Will Eventually be Exported Transporters) family play an important role in plant development, adaptation, and stress response by functioning as transmembrane uniporters of soluble sugars. However, the information on the SWEET family in the plants of the genus, which includes many crop species, is lacking. In this study, we performed a genome-wide analysis of garlic ( L.) and identified 27 genes putatively encoding clade I-IV SWEET proteins. The promoters of the () genes contained hormone- and stress-sensitive elements associated with plant response to phytopathogens. genes had distinct expression patterns in garlic organs. The expression levels and dynamics of clade III , , and genes significantly differed between -resistant and -susceptible garlic cultivars subjected to . infection, suggesting the role of these genes in the garlic defense against the pathogen. Our results provide insights into the role of SWEET sugar uniporters in and may be useful for breeding -resistant cultivars.
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| http://dx.doi.org/10.3390/ijms24087533 | DOI Listing |
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