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SlIAA9 mutation enhances tomato seed resilience to heat stress.

Plant physiology and biochemistry : PPB - 1 Mar 2026

Rahmat Bayu Pradana Nur, Elfakhriano Iqbal Fathurrahim, Carsono Nono, Damayanti Farida, Mubarok Syariful, Ken Hoshikawa, Ezura Hiroshi, Kang Seung Won

Abstract excerpt

Heat stress during seed germination represents a critical constraint to crop establishment, yet the hormonal and genetic mechanisms governing seed resilience to heat stress remains poorly understood. In tomato (Solanum lycopersicum), the role of auxin signaling repressor SlIAA9 in regulating seed germination and responses to heat stress has not been defined. Here, we investigated how loss of function mutation in...

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PMID: 41691929
DOI: 10.1016/j.plaphy.2026.111103

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