[Chang-Hsien Yang] New Discovery that OAGL6 and PaSEP1/3 Cooperatively Determine Perianth Organ Identity in the P Code Model of Phalaenopsis Orchids
Academician Chang-Hsien Yang and his team discovered that OAGL6-1/2 and the E-class genes PaSEP1/3 exhibit functional redundancy in Phalaenopsis orchids and cooperatively specify the identities of sepals, petals, and lips through the formation of advanced SP and L complexes. Multi-gene silencing caused floral organs to revert to leaf-like structures, confirming that PaSEP1/3 are important auxiliary factors required to maintain perianth specialization. These findings further expand the orchid P code model and were published in Plant and Cell Physiology (Hsu et al., 2025).
Article source: https://academic.oup.com/pcp/article/67/1/67/8303900?searchresult=1&login=true