Genome-wide Analysis of the VQ Gene Family and Expression Profiling in Sorghum bicolor

SbVQ gene family in Sorghum bicolor comprises 35 VQ genes in seven subfamilies, with expansion mainly driven by segmental duplication and distinct salt-responsive members.

• Why it matters: Soil salinization limits crop productivity, and plant VQ motif co-regulators are linked to stress responses, but their sorghum-specific roles are insufficiently characterized.
• What they did: The authors performed genome-wide identification and classification of VQ genes, evolutionary and synteny analyses versus Arabidopsis, and expression profiling under salt stress, plus protein-protein interaction prediction.
• The result: SbVQ34, SbVQ39, and SbVQ40 are significantly upregulated under salt stress, and SbVQ39 is highlighted as a potential key regulator for sorghum salt tolerance, informing breeding efforts.

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