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Significance Seed vigor is important to farmers, breeders, and industries, with critical implications for seed quality and germplasm preservation. We included RNA sequencing data, searching the differentially expressed genes, separately,… Click to show full abstract
Significance Seed vigor is important to farmers, breeders, and industries, with critical implications for seed quality and germplasm preservation. We included RNA sequencing data, searching the differentially expressed genes, separately, in seeds of two rice varieties with huge differences in seed vigor. We then compared the transcriptome profiles between them. We compared the metabolic profiling of these two seeds. We uncovered the genetic architecture of two rice varieties with distinct seed vigor. We identified PER1A that acts as a positive regulator and bZIP23 that functions upstream and as a transcription activator of PER1A and is also a positive regulator of seed vigor. Finally, we demonstrated that the bZIP23-PER1A regulatory module for rice seed vigor operates via the abscisic acid signaling pathway.
Journal Title: Proceedings of the National Academy of Sciences of the United States of America
Year Published: 2022
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