ArticleFrontiers in plant science2026
Transcriptomic insights into the molecular regulatory mechanism of staminody in Chinese narcissus (
Article in Frontiers in plant science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Staminody (petaloid stamen) contributes to floral diversity in horticultural plants, yet its molecular regulation remains poorly understood. Using two Chinese narcissus varieties, 'Jinzhanyintai' (single-flowered) and 'Yulinglong' (double-flowered), we conducted anatomical and histological analyses, which confirmed that the petaloid stamens of 'Yulinglong' arise from a homeotic transformation of normal stamens of 'Jinzhanyintai', as evidenced by conserved internal locule-like structures and gradual morphological intermediates. Comparative transcriptomics across five key developmental stages revealed global gene expression dynamics during staminody. Screening for differentially expressed transcription factors across these stages identified a bZIP TGA-subfamily homolog, designated
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