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[Colonization with arbuscular mycorrhizal fungus Funneliformis mosseae enhanced the responses of tomato plants to mechanical wounding].

Identifieur interne : 000662 ( Main/Corpus ); précédent : 000661; suivant : 000663

[Colonization with arbuscular mycorrhizal fungus Funneliformis mosseae enhanced the responses of tomato plants to mechanical wounding].

Auteurs : Yuan Yuan Song ; Ming Xia ; Yi Bin Lin ; Xian Hui Lin ; Chao Hui Ding ; Jie Wang ; Lin Hu ; Ren Sen Zeng

Source :

RBID : pubmed:30460828

English descriptors

Abstract

Insect herbivore feeding causes mechanical damage to plants, which can activate plant defense responses. Whether symbiosis with beneficial microorganisms can enhance the responses of plants to mechanical damage is of importance for plant anti-herbivore resistance. In this study, defense responses of tomato (Lycopersicon esculentum) plants to mechanical wounding was investigated after the tomato roots being infected by arbuscular mycorrhizal fungus (AMF) Funneliformis mosseae. The results showed that in response to leaf mechanical wounding, the activities of phenylalanine ammonia-lyase (PAL), superoxide dismutase (SOD), peroxidase (POD), polyphenol oxidase (PPO) and catalase (CAT) in the leaves of tomato pre-inoculated with AMF (FD), as well as transcript levels of genes encoding phenylalanine ammonia lyase (PAL) and β-1,3-glucanase (PR2) in the leaves and roots were significantly higher in relative to sole mechanical wounding (D), sole mycorrhizal inoculation (F), and control without mechanical wounding and mycorrhizal inoculation (CK). Although the activities of protective enzyme and transcript levels of the two defense-related genes were induced in the plants of sole mechanical wounding (D) and sole mycorrhizal inoculation (F), the induction was faster and stronger in the plants with leaf mechanical wounding and mycorrhizal pre-inoculation (FD). Our findings indicated that arbuscular mycorrhizal colonization could prime quicker and stronger defense responses of tomato plants to mechanical damage.

DOI: 10.13287/j.1001-9332.201811.035
PubMed: 30460828

Links to Exploration step

pubmed:30460828

Le document en format XML

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<term>Plant Roots (MeSH)</term>
<term>Symbiosis (MeSH)</term>
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<div type="abstract" xml:lang="en">Insect herbivore feeding causes mechanical damage to plants, which can activate plant defense responses. Whether symbiosis with beneficial microorganisms can enhance the responses of plants to mechanical damage is of importance for plant anti-herbivore resistance. In this study, defense responses of tomato (Lycopersicon esculentum) plants to mechanical wounding was investigated after the tomato roots being infected by arbuscular mycorrhizal fungus (AMF) Funneliformis mosseae. The results showed that in response to leaf mechanical wounding, the activities of phenylalanine ammonia-lyase (PAL), superoxide dismutase (SOD), peroxidase (POD), polyphenol oxidase (PPO) and catalase (CAT) in the leaves of tomato pre-inoculated with AMF (FD), as well as transcript levels of genes encoding phenylalanine ammonia lyase (PAL) and β-1,3-glucanase (PR2) in the leaves and roots were significantly higher in relative to sole mechanical wounding (D), sole mycorrhizal inoculation (F), and control without mechanical wounding and mycorrhizal inoculation (CK). Although the activities of protective enzyme and transcript levels of the two defense-related genes were induced in the plants of sole mechanical wounding (D) and sole mycorrhizal inoculation (F), the induction was faster and stronger in the plants with leaf mechanical wounding and mycorrhizal pre-inoculation (FD). Our findings indicated that arbuscular mycorrhizal colonization could prime quicker and stronger defense responses of tomato plants to mechanical damage.</div>
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<AbstractText>Insect herbivore feeding causes mechanical damage to plants, which can activate plant defense responses. Whether symbiosis with beneficial microorganisms can enhance the responses of plants to mechanical damage is of importance for plant anti-herbivore resistance. In this study, defense responses of tomato (Lycopersicon esculentum) plants to mechanical wounding was investigated after the tomato roots being infected by arbuscular mycorrhizal fungus (AMF) Funneliformis mosseae. The results showed that in response to leaf mechanical wounding, the activities of phenylalanine ammonia-lyase (PAL), superoxide dismutase (SOD), peroxidase (POD), polyphenol oxidase (PPO) and catalase (CAT) in the leaves of tomato pre-inoculated with AMF (FD), as well as transcript levels of genes encoding phenylalanine ammonia lyase (PAL) and β-1,3-glucanase (PR2) in the leaves and roots were significantly higher in relative to sole mechanical wounding (D), sole mycorrhizal inoculation (F), and control without mechanical wounding and mycorrhizal inoculation (CK). Although the activities of protective enzyme and transcript levels of the two defense-related genes were induced in the plants of sole mechanical wounding (D) and sole mycorrhizal inoculation (F), the induction was faster and stronger in the plants with leaf mechanical wounding and mycorrhizal pre-inoculation (FD). Our findings indicated that arbuscular mycorrhizal colonization could prime quicker and stronger defense responses of tomato plants to mechanical damage.</AbstractText>
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<Affiliation>College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.</Affiliation>
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<AffiliationInfo>
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<AffiliationInfo>
<Affiliation>College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.</Affiliation>
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<AffiliationInfo>
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<AffiliationInfo>
<Affiliation>Institute of Crop Resistance and Chemical Ecology, Fujian Agriculture and Forestry University, Fuzhou 350002, China.</Affiliation>
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<LastName>Wang</LastName>
<ForeName>Jie</ForeName>
<Initials>J</Initials>
<AffiliationInfo>
<Affiliation>Mini-stry of Education Key Laboratory for Genetics, Breeding and Multiple Utilization of Crops, College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.</Affiliation>
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<AffiliationInfo>
<Affiliation>Institute of Crop Resistance and Chemical Ecology, Fujian Agriculture and Forestry University, Fuzhou 350002, China.</Affiliation>
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<LastName>Hu</LastName>
<ForeName>Lin</ForeName>
<Initials>L</Initials>
<AffiliationInfo>
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<LastName>Zeng</LastName>
<ForeName>Ren Sen</ForeName>
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<AffiliationInfo>
<Affiliation>Mini-stry of Education Key Laboratory for Genetics, Breeding and Multiple Utilization of Crops, College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.</Affiliation>
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<VernacularTitle>丛枝菌根真菌摩西管柄囊霉侵染增强番茄对机械损伤的响应.</VernacularTitle>
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<MeshHeading>
<DescriptorName UI="D055137" MajorTopicYN="N">Glomeromycota</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D018551" MajorTopicYN="N">Lycopersicon esculentum</DescriptorName>
<QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
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<DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName>
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<MeshHeading>
<DescriptorName UI="D013559" MajorTopicYN="Y">Symbiosis</DescriptorName>
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<AbstractText>植食性昆虫取食会给植物造成机械损伤并激活植物的防御反应,而与有益微生物共生是否可以增强植物对机械损伤的响应对植物抗虫有重要意义.本研究在番茄根系被丛枝菌根真菌摩西管柄囊霉侵染后,研究机械损伤对番茄防御反应的影响.结果表明: 预先接种菌根真菌的番茄叶片受到机械损伤处理(FD)后,叶片苯丙氨酸解氨酶(PAL)、超氧化物歧化酶(SOD)、过氧化物酶(POD)、多酚氧化酶(PPO)和过氧化氢酶(CAT)活性,以及叶片和根系苯丙氨酸解氨酶基因(
<i>PAL</i>
)和β-1,3-葡聚糖酶基因(
<i>PR2</i>
)的转录水平均显著高于只进行机械损伤的处理(D)、只接种摩西管柄囊霉的处理(F),以及既未接种菌根菌也未进行机械损伤的健康番茄植株(CK).虽然D和 F处理也可诱导部分酶活性及基因转录水平升高,但FD处理诱导的防御反应更迅速和强烈.表明丛枝菌根真菌侵染可以警备(prime)番茄对机械损伤做出更快速和强烈的响应.</AbstractText>
</OtherAbstract>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="N">Funneliformis mosseae</Keyword>
<Keyword MajorTopicYN="N">defense priming</Keyword>
<Keyword MajorTopicYN="N">mechanical wounding</Keyword>
<Keyword MajorTopicYN="N">tomato</Keyword>
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<Day>22</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="medline">
<Year>2019</Year>
<Month>2</Month>
<Day>27</Day>
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<PublicationStatus>ppublish</PublicationStatus>
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   |flux=    Main
   |étape=   Corpus
   |type=    RBID
   |clé=     pubmed:30460828
   |texte=   [Colonization with arbuscular mycorrhizal fungus Funneliformis mosseae enhanced the responses of tomato plants to mechanical wounding].
}}

Pour générer des pages wiki

HfdIndexSelect -h $EXPLOR_AREA/Data/Main/Corpus/RBID.i   -Sk "pubmed:30460828" \
       | HfdSelect -Kh $EXPLOR_AREA/Data/Main/Corpus/biblio.hfd   \
       | NlmPubMed2Wicri -a MycorrhizaeV1 

Wicri

This area was generated with Dilib version V0.6.37.
Data generation: Wed Nov 18 15:34:48 2020. Site generation: Wed Nov 18 15:41:10 2020