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蒺藜苜蓿（Medicago sativa L.）中 PIF 基因家族的全基因组研究及其在发育和胁迫过程中的表达谱。

Genome-wide investigation of the PIF gene family in alfalfa (Medicago sativa L.) expression profiles during development and stress.

机构信息

College of Animal Science and Technology, Northeast Agricultural University, Harbin, China.

出版信息

BMC Genom Data. 2024 Sep 2;25(1):79. doi: 10.1186/s12863-024-01264-4.

DOI:10.1186/s12863-024-01264-4
PMID:39223486
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11370104/
Abstract

BACKGROUND

Phytochrome-interacting factors (PIFs) plays an important role in plants as hubs for intracellular signaling regulation. The PIF gene family has been identified and characterized in many plants, but alfalfa (Medicago sativa L.), an important perennial high-quality legume forage, has not been reported on the PIF gene family.

RESULTS

In this study, we presented the identification and characterization of five MsPIF genes in alfalfa (Medicago sativa L.). Phylogenetic analysis indicated that PIFs from alfalfa and other four plant species could be divided into three groups supported by similar motif analysis. The collinearity analysis of the MsPIF gene family showed the presence of two gene pairs, and the collinearity analysis with AtPIFs showed three gene pairs, indicating that the evolutionary process of this family is relatively conservative. Analysis of cis-acting elements in promoter regions of MsPIF genes indicated that various elements were related to light, abiotic stress, and plant hormone responsiveness. Gene expression analyses demonstrated that MsPIFs were primarily expressed in the leaves and were induced by various abiotic stresses.

CONCLUSION

This study conducted genome-wide identification, evolution, synteny analysis, and expression analysis of the PIFs in alfalfa. Our study lays a foundation for the study of the biological functions of the PIF gene family and provides a useful reference for improving abiotic stress resistance in alfalfa.

摘要

背景

光敏色素相互作用因子（PIFs）作为细胞内信号调节的枢纽，在植物中起着重要作用。PIF 基因家族已在许多植物中被鉴定和描述，但紫花苜蓿（Medicago sativa L.）作为一种重要的多年生优质豆科牧草，其 PIF 基因家族尚未被报道。

结果

本研究在紫花苜蓿中鉴定和描述了五个 MsPIF 基因。系统发育分析表明，来自紫花苜蓿和其他四种植物的 PIFs 可以分为三个组，这三个组得到了相似基序分析的支持。MsPIF 基因家族的共线性分析显示存在两对基因，与 AtPIFs 的共线性分析显示存在三对基因，表明该家族的进化过程相对保守。对 MsPIF 基因启动子区顺式作用元件的分析表明，各种元件与光、非生物胁迫和植物激素响应有关。基因表达分析表明，MsPIFs 主要在叶片中表达，并受到各种非生物胁迫的诱导。

结论

本研究对紫花苜蓿中的 PIFs 进行了全基因组鉴定、进化、共线性分析和表达分析。我们的研究为 PIF 基因家族的生物学功能研究奠定了基础，并为提高紫花苜蓿的抗非生物胁迫能力提供了有用的参考。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/2379b4514688/12863_2024_1264_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/03d0a2490473/12863_2024_1264_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/4426325abce1/12863_2024_1264_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/3cc2616b2af3/12863_2024_1264_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/673b51481069/12863_2024_1264_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/2c935780a9d8/12863_2024_1264_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/cd717311ffb7/12863_2024_1264_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/39254eaa94b3/12863_2024_1264_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/2379b4514688/12863_2024_1264_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/03d0a2490473/12863_2024_1264_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/4426325abce1/12863_2024_1264_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/3cc2616b2af3/12863_2024_1264_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/673b51481069/12863_2024_1264_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/2c935780a9d8/12863_2024_1264_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/cd717311ffb7/12863_2024_1264_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/39254eaa94b3/12863_2024_1264_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c97e/11370104/2379b4514688/12863_2024_1264_Fig8_HTML.jpg

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