Physiology, Transcriptome and Root Exudates Analysis of Response to Aluminum Stress in <i>Pinus massoniana</i>

<i>Pinus massoniana</i> is an important timber tree species in southern China, and acid aluminum stress seriously endangers its growth. This study focuses on physiology, gene regulation and root exudates. Aluminum stress increased the activity of malondialdehyde (MDA), proline (PRO), per...

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Main Authors: Jinyan Ling, Jianhui Tan, Hu Chen, Zhangqi Yang, Qunfeng Luo, Jie Jia
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Forests
Subjects:
Online Access:https://www.mdpi.com/1999-4907/14/7/1410
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author Jinyan Ling
Jianhui Tan
Hu Chen
Zhangqi Yang
Qunfeng Luo
Jie Jia
author_facet Jinyan Ling
Jianhui Tan
Hu Chen
Zhangqi Yang
Qunfeng Luo
Jie Jia
author_sort Jinyan Ling
collection DOAJ
description <i>Pinus massoniana</i> is an important timber tree species in southern China, and acid aluminum stress seriously endangers its growth. This study focuses on physiology, gene regulation and root exudates. Aluminum stress increased the activity of malondialdehyde (MDA), proline (PRO), peroxidase (POD), soluble proteins (SP), soluble sugars (SS) and superoxide dismutase (SOD) in <i>P. massoniana</i> seedlings, and led to changes in growth. We identified hub genes (<i>UCHL3</i>, <i>TCP1</i>, <i>SEC27</i>, <i>GluRS</i> and <i>ACTF</i>) responding to aluminum stress of low concentration and hub genes (<i>RGP</i>, <i>MPT</i>, <i>RPL24</i>, <i>RPL7A</i> and EC3.2.1.58) responding to aluminum stress of high concentration. Aluminum stress mainly affected phenylpropanoid biosynthesis and flavonoid biosynthesis, and it may alleviate aluminum toxicity by inducing the upregulation of genes such as <i>CHS</i>, <i>COMT</i>, <i>DFR</i> and <i>LAR</i> to enhance root exudation of catechin. These results lay the foundation for in-depth studying the molecular mechanism of <i>P. massoniana</i> aluminum stress.
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spelling doaj.art-9b4dfe7c1eec428fab878bb4a3a6e0532023-11-18T19:23:54ZengMDPI AGForests1999-49072023-07-01147141010.3390/f14071410Physiology, Transcriptome and Root Exudates Analysis of Response to Aluminum Stress in <i>Pinus massoniana</i>Jinyan Ling0Jianhui Tan1Hu Chen2Zhangqi Yang3Qunfeng Luo4Jie Jia5Key Laboratory of Central South Fast-Growing Timber Cultivation of Forestry Ministry of China, Guangxi Forestry Research Institute, Nanning 530002, ChinaKey Laboratory of Central South Fast-Growing Timber Cultivation of Forestry Ministry of China, Guangxi Forestry Research Institute, Nanning 530002, ChinaKey Laboratory of Central South Fast-Growing Timber Cultivation of Forestry Ministry of China, Guangxi Forestry Research Institute, Nanning 530002, ChinaKey Laboratory of Central South Fast-Growing Timber Cultivation of Forestry Ministry of China, Guangxi Forestry Research Institute, Nanning 530002, ChinaKey Laboratory of Central South Fast-Growing Timber Cultivation of Forestry Ministry of China, Guangxi Forestry Research Institute, Nanning 530002, ChinaKey Laboratory of Central South Fast-Growing Timber Cultivation of Forestry Ministry of China, Guangxi Forestry Research Institute, Nanning 530002, China<i>Pinus massoniana</i> is an important timber tree species in southern China, and acid aluminum stress seriously endangers its growth. This study focuses on physiology, gene regulation and root exudates. Aluminum stress increased the activity of malondialdehyde (MDA), proline (PRO), peroxidase (POD), soluble proteins (SP), soluble sugars (SS) and superoxide dismutase (SOD) in <i>P. massoniana</i> seedlings, and led to changes in growth. We identified hub genes (<i>UCHL3</i>, <i>TCP1</i>, <i>SEC27</i>, <i>GluRS</i> and <i>ACTF</i>) responding to aluminum stress of low concentration and hub genes (<i>RGP</i>, <i>MPT</i>, <i>RPL24</i>, <i>RPL7A</i> and EC3.2.1.58) responding to aluminum stress of high concentration. Aluminum stress mainly affected phenylpropanoid biosynthesis and flavonoid biosynthesis, and it may alleviate aluminum toxicity by inducing the upregulation of genes such as <i>CHS</i>, <i>COMT</i>, <i>DFR</i> and <i>LAR</i> to enhance root exudation of catechin. These results lay the foundation for in-depth studying the molecular mechanism of <i>P. massoniana</i> aluminum stress.https://www.mdpi.com/1999-4907/14/7/1410<i>Pinus massoniana</i>aluminum stressphysiologicaltranscriptomicroot exudates
spellingShingle Jinyan Ling
Jianhui Tan
Hu Chen
Zhangqi Yang
Qunfeng Luo
Jie Jia
Physiology, Transcriptome and Root Exudates Analysis of Response to Aluminum Stress in <i>Pinus massoniana</i>
Forests
<i>Pinus massoniana</i>
aluminum stress
physiological
transcriptomic
root exudates
title Physiology, Transcriptome and Root Exudates Analysis of Response to Aluminum Stress in <i>Pinus massoniana</i>
title_full Physiology, Transcriptome and Root Exudates Analysis of Response to Aluminum Stress in <i>Pinus massoniana</i>
title_fullStr Physiology, Transcriptome and Root Exudates Analysis of Response to Aluminum Stress in <i>Pinus massoniana</i>
title_full_unstemmed Physiology, Transcriptome and Root Exudates Analysis of Response to Aluminum Stress in <i>Pinus massoniana</i>
title_short Physiology, Transcriptome and Root Exudates Analysis of Response to Aluminum Stress in <i>Pinus massoniana</i>
title_sort physiology transcriptome and root exudates analysis of response to aluminum stress in i pinus massoniana i
topic <i>Pinus massoniana</i>
aluminum stress
physiological
transcriptomic
root exudates
url https://www.mdpi.com/1999-4907/14/7/1410
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