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- Title
Transcriptome analysis of oil palm pistil during pollination and fertilization to unravel the role of phytohormone biosynthesis and signaling genes.
- Authors
Yang, Mengdi; Yarra, Rajesh; Zhang, Ruining; Zhou, Lixia; Jin, Longfei; Martin, Jerome Jeyakumar John; Cao, Hongxing
- Abstract
Phytohormones play an important role in the pollination and fertilization of crops, but the regulatory mechanisms of oil palm pollination and fertilization are unclear. The purpose of this study is to explore the hormonal changes of oil palm pistils during flowering. We used RNA sequencing to evaluate differentially expressed genes (DEGs) in oil palm pistils at the pollination and non-pollination stages. In this study, we found that the hormone contents of oil palm pistil changed drastically after pollination. The transcriptome of the oil palm pistil without pollination and at 2 h, 4 h, 12 h, 24 h, and 48 h after pollination was comprehensively analyzed, and a large number of differential genes and metabolic pathways were explored. Based on the transcriptome data, it could be recognized that the changes of indoleacetic acid (IAA), zeatin riboside (ZR), and abscisic acid (ABA) during pollination were consistent with the changes in the corresponding gene transcripts. Differentially expressed genes during pollination and fertilization of oil palm were mainly related to energy metabolism and hormone signal transduction. It provides new insights to elucidate the interaction and regulation mechanisms of plant hormones before and after oil palm pollination, providing a theoretical basis and reference for the research on sexual reproduction of oil palm.
- Subjects
OIL palm; TRANSCRIPTOMES; BIOSYNTHESIS; POLLINATORS; INDOLEACETIC acid; PLANT hormones; POLLINATION
- Publication
Functional & Integrative Genomics, 2022, Vol 22, Issue 2, p261
- ISSN
1438-793X
- Publication type
Article
- DOI
10.1007/s10142-022-00834-y