ArticleBMC genomics2025
Identification of BoRR gene family in cauliflower: roles in curd development and salt tolerance.
Article in BMC genomics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
- Genome-Wide Identification of the WheatPlants (Basel, Switzerland) · 2026Article
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7 authors.
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Abstract
backgroundCauliflower, as an important vegetable crop, the research on its curd formation mechanism and stress-responsive gene networks is of great significance for improving its quality, yield and abiotic stress tolerance. The response regulator (RR) gene family plays a crucial role in the regulation of various life processes of many organisms. In this research, a comprehensive analysis of the BoRR gene family in cauliflower was carried out.
resultsA Total of 57 BoRR genes were identified in cauliflower and classified into seven subtypes (type A/B-I/B-II/B-IV/C/B-PRR/Clock PRR) based on sequence homology. Chromosomal mapping showed even distribution across genomes, while physicochemical analysis revealed diverse protein properties (134-915 amino acids, pI 4.51-9.19) with predominant nuclear localization. Structural analyses found all BoRR proteins contain REC-type domains, with subtype-specific features: type A has REC_typeA_ARR, type B harbors REC_typeB_ARR domains, and Clock PRR shows circadian-related psREC_RR domains. Exon numbers range from 2 to 10, with type A BoRR genes having shorter CDS lengths. Collinearity analysis identified 28 pairs of gene duplicates (26 inter-chromosomal). Comparative analysis showed 133 collinear pairs with Brassica napus, 96 with Brassica. rapa, and only 1 with monocots specie (rice and maize). Promoter analysis identified hormone-responsive motifs (ABRE, TGACG), development-related elements (ARE), and stress-responsive sequences (e.g., MBS for drought tolerance) in the promoters of BoRR genes. GO enrichment linked BoRR genes to phosphorelay signaling, cytokinin/ethylene response, and developmental processes like meristem maintenance. Expression profiling during curd development showed type A genes (BoRR23/27/34/38/45) up-regulated in vegetative-reproductive transition, BoRR3/6/12/32/54 in curd enlargement, and several genes like BoRR49 in flower bud differentiation. Salt stress (1.5% NaCl) induced transient expression in 8 of 9 selected BoRR genes at day 1 after treatment. qRT-PCR validated their roles in developmental regulation and salt tolerance.
conclusionThis study provides valuable insights into the BoRR gene family in cauliflower, laying a foundation for further understanding its genetic mechanisms and potentially guiding efforts to enhance curd quality and salt tolerance in cauliflower.
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