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Jasmonate-insensitive mutant jar1b prevents petal elongation and flower opening coupling with parthenocarpic fruit development in Cucurbita pepo.

Plant physiology and biochemistry : PPB - 1 Sept 2024

Gautam Keshav, Segura María, Alonso Sonsoles, Pasadas Raúl, García-Mina José M, Zamarreño Angel M, Martínez Cecilia, Jamilena Manuel

Abstract excerpt

Jasmonates are growth regulators that play a key role in flower development, fruit ripening, root growth, and plant defence. The study explores the coordination of floral organ maturation to ensure proper flower opening for pollination and fertilization. A new mutant (jar1b) was discovered, lacking petal elongation and flower opening but showing normal pistil and stamen development, leading to parthenocarpic...

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PMID: 39002308
DOI: 10.1016/j.plaphy.2024.108923

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