transcript profiling provides insights into molecular processes during shoot elongation in temperature-sensitive peach (prunus persica)

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ID: 142344
2020
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Abstract
Abstract Plant growth caused by ambient temperature is thought to be regulated by a complex transcriptional network. A temperature-sensitive peach (Prunus persica) was used to explore the mechanisms behind shoot internode elongation at elevated temperatures. There was a significantly positive correlation between the length of the terminal internode (TIL) and the maximum temperature three days prior to the measuring day. Four critical growth stages (initial period and initial elongation period at lower temperature, rapid growth period and stable growth period at higher temperature) were selected for comparative RNA-seq analysis. About 6.64G clean bases were obtained for each library, and 88.27% of the data were mapped to the reference genome. Differentially expressed gene (DEG) analysis among the three pairwise comparisons resulted in the detection of several genes related to the shoot elongation in temperature-sensitive peach. HSFAs were up-regulated in response to the elevated temperature, while the up-regulated expression of HSPs might influence hormone signaling pathways. Most of DEGs involved in auxin, abscisic acid and jasmonic acid were up-regulated, while some involved in cytokinin and brassinosteroid were down-regulated. Genes related to ethylene, salicylic acid and circadian rhythm were also differentially expressed. Genes related to aquaporins, expansins, pectinesterases and endoglucanase were up-regulated, which would promote cell elongation. These results lay a foundation for further dissection of the regulatory mechanisms underlying shoot elongation at elevated temperatures.
Reference Key
lian2020scientifictranscript Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Xiaodong Lian;Bin Tan;Liu Yan;Chao Jiang;Jun Cheng;Xianbo Zheng;Wei Wang;Tanxing Chen;Xia Ye;Jidong Li;Jiancan Feng
Journal historia de la educación
Year 2020
DOI
10.1038/s41598-020-63952-2
URL
http://link.springer.com/article/10.1038/s41598-020-63952-2
Keywords
medicinescience

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