Genome-wide analysis identifies 36 LBD genes in Jasminum sambac and their response to abiotic stress

Researchers have identified 36 Lateral Organ Boundaries Domain (LBD) genes within the *Jasminum sambac* genome and analyzed their expression patterns across various plant tissues and stress conditions. The study classifies these genes into two subfamilies and examines their chromosomal distribution, gene structure, and evolutionary relationships to provide a comprehensive overview of the LBD gene family in the species.

The research team mapped the 36 identified *JsLBD* genes across 13 chromosomes, noting variations in gene structure and conserved motifs among the different members. Phylogenetic analysis grouped these genes into two distinct subfamilies, with the researchers observing that gene duplication events played a primary role in the expansion of the LBD family within the *Jasminum sambac* genome. Furthermore, the study evaluated the expression profiles of these genes in roots, stems, leaves, and flowers, identifying specific genes that respond to abiotic stresses such as drought, salinity, and temperature fluctuations. These findings offer a foundational dataset for understanding the regulatory functions of LBD genes in the growth, development, and environmental adaptation of *Jasminum sambac*.

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Source: GO-AI-ne1

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Date: June 3, 2026

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GOAI