[1]严文辉,李志丹,邓逐流,等.番茄根系分泌物苹果酸和丁香酸对土壤细菌群落结构和潜在功能的影响[J].江苏农业学报,2022,38(05):1340-1347.[doi:doi:10.3969/j.issn.1000-4440.2022.05.021]
　YAN Wen-hui,LI Zhi-dan,DENG Zhu-liu,et al.Effects of malic acid and syringic acid from tomato root exudates on soil bacterial community structure and potential function[J].,2022,38(05):1340-1347.[doi:doi:10.3969/j.issn.1000-4440.2022.05.021]
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番茄根系分泌物苹果酸和丁香酸对土壤细菌群落结构和潜在功能的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2022年05期
页码:
1340-1347
栏目:
园艺
出版日期:
2022-10-31

文章信息/Info

Title:
Effects of malic acid and syringic acid from tomato root exudates on soil bacterial community structure and potential function
作者:
严文辉1; 李志丹1; 邓逐流2; 谢忱2; 谷益安2; 雷鹏2; 王瑞2; 李莎2; 徐虹2
（1.南京工业大学生物与制药工程学院,江苏南京211816；2.南京工业大学食品与轻工学院，江苏南京211816）
Author(s):
YAN Wen-hui1; LI Zhi-dan1; DENG Zhu-liu2; XIE Chen2; GU Yi-an2; LEI Peng2; WANG Rui2; LI Sha2; XU Hong2
（1.College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China;2.College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China）
关键词:
苹果酸; 丁香酸; 根系分泌物; 土壤细菌群落; 功能预测
Keywords:
malic acid; syringic acid; root exudation; soil bacterial community; function prediction
分类号:
S154.36
DOI:
doi:10.3969/j.issn.1000-4440.2022.05.021
文献标志码:
A
摘要:
苹果酸、丁香酸是番茄根系分泌物的重要组分，将苹果酸、丁香酸作为外源物持续添加到黄瓜田、番茄田土壤中，并通过定量PCR、扩增子高通量测序及功能预测手段探究苹果酸、丁香酸对土壤细菌群落结构及其潜在功能的影响。结果表明，与对照相比，添加外源丁香酸能显著降低土壤细菌总量，降幅达50.57%～56.38%，而苹果酸的影响不显著。添加外源苹果酸、丁香酸可明显改变土壤细菌群落组成，可解释26.53%的细菌群落变异，苹果酸在黄瓜田、番茄田土壤中均富集假诺卡氏菌属（Pseudonocardia）细菌，而丁香酸均富集Aridibacter。此外，添加外源苹果酸能显著提高细菌群落对短链有机酸的降解能力，而添加外源丁香酸可显著降低细菌形成生物膜的能力并提高芳香族化合物的降解能力，但上述作用与土地利用方式有关。
Abstract:
Malic acid and syringic acid are important components of tomato root exudates. In this study, malic acid and syringic acid were continuously added to the soil of cucumber and tomato fields as exogenous substances. Quantitative PCR, 16S rRNA amplicon sequencing and function prediction methods were used to explore the effects of malic acid and syringic acid on the bacterial community structure and potential functions. The results showed that syringic acid could significantly reduce the total bacterial abundance by 50.57%-56.38%, while the effect of malic acid was not significant. Malic acid and syringic acid could significantly change the composition of soil bacterial community, and explain 26.53% of the bacterial community variation. Malic acid enriched Pseudonocardia in cucumber field soil and tomato field soil, while syringic acid enriched Aridibacter. In addition, the addition of exogenous malic acid can significantly increase the ability of bacterial community in short-chain organic acids metabolism, while the addition of exogenous syringic acid can significantly reduce the ability of soil bacterial community in biofilm formation and increase the ability in degradation of aromatic compounds, but these effects are related to the type of land use.

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备注/Memo

备注/Memo:
收稿日期：2022-01-10基金项目：国家自然科学基金项目（42177271）；江苏省重点研发计划项目（BE2019390）作者简介：严文辉 (1997-)，男，江西赣州人，硕士研究生，主要从事环境微生物技术研究。(E-mail)yanwenhui97@outlook.com通讯作者：谷益安，(E-mail)yian.gu@hotmail.com
更新日期/Last Update: 2022-11-07