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Genetic coupling of floral rewards and signals underlies pollinator attraction.
Cell · · Journal Article
Tan, Slavkovic + more
Abstract ↗AI summary
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YAB5, the YABBY-family transcription factor encoded by nectarless1 (nls1) in melon, integrates nectary identity and nectar-related metabolic and signal pathways to attract pollinators.
- Why it matters: Pollinator attraction depends on coordinated floral rewards and signals, but the molecular links that synchronize these traits during flower development are unclear.
- What they did: In phenotyped melon genetic diversity, YAB5 interacts with CRABS CLAW (CRC) during nectary initiation, activates DPE2 for starch remobilization, and engages an MYB111-dependent flavonoid pathway for UV nectar guides.
- The result: Disrupting YAB5, DPE2, or MYB111 reduces pollinator visitation, implying this coupled developmental and metabolic control synchronizes rewards and signals at anthesis.
The findingWhy it mattersWhat they didThe result
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