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<p>The Non-Structural Protein 1 (NSP1) gene family plays a significant role in plant–microbe interactions, particularly in leguminous plants where it mediates symbiotic relationships with nitrogen-fixing microorganisms. This study explores the genome-wide identification and characterization of NSP1 genes in <i>Solanum tuberosum</i> (potato), a non-leguminous species, to better understand their potential roles in plant development and stress response. A total of 11 NSP1 genes were identified in the <i>Solanum tuberosum</i> genome. Phylogenetic analysis revealed distinct evolutionary groupings with homologous genes in <i>Arabidopsis thaliana</i> and <i>Lens culinaris</i>. Furthermore, motif and domain analysis highlighted the presence of conserved regulatory elements, particularly motifs associated with stress response and signaling pathways. Chromosomal mapping of <i>Solanum tuberosum</i> showed a scattered distribution of NSP1 genes, suggesting possible evolutionary divergence and functional specialization. Our findings provide insights into the functional diversity of NSP1 genes in non-leguminous plants, expanding the understanding of plant genetic regulation in relation to stress tolerance and plant–microbe interactions.</p>

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Genome-Wide Identification and Expression Analysis of the Non-Structural Protein 1 (NSP1) Gene in Solanum tuberosum (Potato)

  • 期刊论文

  • 发表日期：

    2026年1月16日

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  • Zain Mushtaq,
  • Anum Nazir,
  • Abdulrahman Alasmari

摘要

The Non-Structural Protein 1 (NSP1) gene family plays a significant role in plant–microbe interactions, particularly in leguminous plants where it mediates symbiotic relationships with nitrogen-fixing microorganisms. This study explores the genome-wide identification and characterization of NSP1 genes in Solanum tuberosum (potato), a non-leguminous species, to better understand their potential roles in plant development and stress response. A total of 11 NSP1 genes were identified in the Solanum tuberosum genome. Phylogenetic analysis revealed distinct evolutionary groupings with homologous genes in Arabidopsis thaliana and Lens culinaris. Furthermore, motif and domain analysis highlighted the presence of conserved regulatory elements, particularly motifs associated with stress response and signaling pathways. Chromosomal mapping of Solanum tuberosum showed a scattered distribution of NSP1 genes, suggesting possible evolutionary divergence and functional specialization. Our findings provide insights into the functional diversity of NSP1 genes in non-leguminous plants, expanding the understanding of plant genetic regulation in relation to stress tolerance and plant–microbe interactions.