Unveiling transfer RNA modifications of oil palm and their dynamic changes during fruit ripening
文献类型： 外文期刊
第一作者： Deng, Dehai
作者： Deng, Dehai;Qin, Yichao;Lin, Xiuying;Chu, Meng;Lin, Huan;Deng, Dehai;Lin, Xiuying;Chu, Meng;Lv, Daizhu
作者机构：
关键词： tRNA modifications; Oil palm fruit development; RNA mass spectrometry; Epitranscriptome
期刊名称：BMC PLANT BIOLOGY （ 影响因子：4.8； 五年影响因子：5.4 ）
ISSN： 1471-2229
年卷期： 2025 年 25 卷 1 期
页码：
收录情况： SCI
摘要： Background The oil palm (Elaeis guineensis) is a crucial agricultural commodity, yielding the highest oil output among oil-bearing crops. Despite its significance, productivity challenges persist due to genetic and environmental factors. This study breaks new ground by mapping tRNA modifications in oil palm, exploring their roles during fruit ripening, an area not extensively studied in non-model crops. Results Utilizing advanced RNA mass spectrometry techniques, we identified 48 distinct tRNA modifications across 88 sites, alongside 164 genes associated with tRNA modifying enzymes. This comprehensive mapping reveals the decreasing nature of most tRNA modifications during fruit development, except for adenosine 2'-O methylation (Am). It hints at a gradual weakening of protein translation quality control and highlights a unique role for Am during fruit ripening. Additionally, lipidomic analysis tracked 674 lipids in oil palm fruits, indicating a correlation between tRNA modifications and the accumulation of specific lipids. Conclusions This study mapped tRNA modifications in oil palm for the first time and showed the diversity of dynamic changes in tRNA modifications as the fruits develop.
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