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基因组范围内鉴定和全面分析低温胁迫下西伯利亚李属的 AP2/ERF 基因家族。

Genome-wide identification and comprehensive analysis of the AP2/ERF gene family in Prunus sibirica under low-temperature stress.

机构信息

College of Forestry, Shenyang Agricultural University, Shenyang, China.

Key Laboratory for Silviculture of Liaoning Province, Shenyang, China.

出版信息

BMC Plant Biol. 2024 Sep 28;24(1):883. doi: 10.1186/s12870-024-05601-8.

DOI:10.1186/s12870-024-05601-8
PMID:39342089
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11438396/
Abstract

BACKGROUND

AP2/ERF transcription factors are involved in the regulation of growth, development, and stress response in plants. Although the gene family has been characterized in various species, such as Oryza sativa, Arabidopsis thaliana, and Populus trichocarpa, studies on the Prunus sibirica AP2/ERF (PsAP2/ERF) gene family are lacking. In this study, PsAP2/ERFs in P. sibirica were characterized by genomic and transcriptomic analyses.

RESULTS

In the study, 112 PsAP2/ERFs were identified and categorized into 16 subfamilies. Within each subfamily, PsAP2/ERFs exhibited similar exon-intron structures and motif compositions. Additionally, 50 pairs of segmentally duplicated genes were identified within the PsAP2/ERF gene family. Our experimental results showed that 20 PsAP2/ERFs are highly expressed in leaves, roots, and pistils under low-temperature stress conditions. Among them, the expression of PsAP2/ERF21, PsAP2/ERF56 and PsAP2/ERF88 was significantly up-regulated during the treatment period, and it was hypothesised that members of the PsAP2/ERF family play an important role inlow temperature stress tolerance.

CONCLUSIONS

This study improves our understanding of the molecular basis of development and low-temperature stress response in P. sibirica and provides a solid scientific foundation for further functional assays and evolutionary analyses of PsAP2/ERFs.

摘要

背景

AP2/ERF 转录因子参与植物的生长、发育和应激反应的调节。尽管该基因家族已在各种物种中得到了描述，如水稻、拟南芥和毛白杨，但对西伯利亚李的 Prunus sibirica AP2/ERF（PsAP2/ERF）基因家族的研究还很缺乏。在本研究中，通过基因组和转录组分析对 P. sibirica 的 PsAP2/ERFs 进行了特征描述。

结果

在研究中，鉴定了 112 个 PsAP2/ERFs，并将其分为 16 个亚家族。在每个亚家族中，PsAP2/ERFs 表现出相似的外显子-内含子结构和基序组成。此外，在 PsAP2/ERF 基因家族中鉴定出 50 对片段重复基因。我们的实验结果表明，在低温胁迫条件下，20 个 PsAP2/ERF 在叶片、根和雌蕊中高度表达。其中，PsAP2/ERF21、PsAP2/ERF56 和 PsAP2/ERF88 的表达在处理期间显著上调，假设 PsAP2/ERF 家族成员在低温胁迫耐受性中发挥重要作用。

结论

本研究提高了我们对 P. sibirica 发育和低温应激反应分子基础的理解，并为进一步的 PsAP2/ERF 功能分析和进化分析提供了坚实的科学基础。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/bd8f3a264a8e/12870_2024_5601_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/45af9c3453f9/12870_2024_5601_Fig1_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/52aeb5866784/12870_2024_5601_Fig5_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/bea471eb1ba9/12870_2024_5601_Fig7_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/255a509b0d1f/12870_2024_5601_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/bd8f3a264a8e/12870_2024_5601_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/45af9c3453f9/12870_2024_5601_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/3d3293448e46/12870_2024_5601_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/9f3fb70629ac/12870_2024_5601_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/f9b146b4af22/12870_2024_5601_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/52aeb5866784/12870_2024_5601_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/a159a23b87bf/12870_2024_5601_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/bea471eb1ba9/12870_2024_5601_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/c3a6305e93d8/12870_2024_5601_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/041f8eef6964/12870_2024_5601_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/255a509b0d1f/12870_2024_5601_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce1e/11438396/bd8f3a264a8e/12870_2024_5601_Fig11_HTML.jpg

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