PoplarV1, Main, Exploration, bibRecord, 001777

Metabolic Responses of Poplar to Apripona germari (Hope) as Revealed by Metabolite Profiling.

Identifieur interne : 001777 ( Main/Exploration ); précédent : 001776; suivant : 001778

Metabolic Responses of Poplar to Apripona germari (Hope) as Revealed by Metabolite Profiling.

Auteurs : Lijuan Wang [République populaire de Chine] ; Liangjian Qu [République populaire de Chine] ; Liwei Zhang [République populaire de Chine] ; Jianjun Hu [République populaire de Chine] ; Fang Tang [République populaire de Chine] ; Mengzhu Lu [République populaire de Chine]

Source :

International journal of molecular sciences [ 1422-0067 ] ; 2016.

RBID : pubmed:27331808

Descripteurs français

KwdFr :
- Acide gamma-amino-butyrique (métabolisme), Acide quinique (métabolisme), Acide salicylique (métabolisme), Acides aminés (métabolisme), Alcools benzyliques (métabolisme), Animaux (MeSH), Catéchine (métabolisme), Coléoptères (pathogénicité), Cycle citrique (MeSH), Glucosides (métabolisme), Glycolyse (MeSH), Interactions hôte-parasite (MeSH), Métabolome (MeSH), Oligosaccharides (métabolisme), Phénols (métabolisme), Populus (métabolisme), Populus (parasitologie), Xylème (métabolisme), Écorce (métabolisme).
MESH :
- métabolisme : Acide gamma-amino-butyrique, Acide quinique, Acide salicylique, Acides aminés, Alcools benzyliques, Catéchine, Glucosides, Oligosaccharides, Phénols, Populus, Xylème, Écorce.
- parasitologie : Populus.
- pathogénicité : Coléoptères.
- Animaux, Cycle citrique, Glycolyse, Interactions hôte-parasite, Métabolome.

English descriptors

KwdEn :
- Amino Acids (metabolism), Animals (MeSH), Benzyl Alcohols (metabolism), Catechin (metabolism), Citric Acid Cycle (MeSH), Coleoptera (pathogenicity), Glucosides (metabolism), Glycolysis (MeSH), Host-Parasite Interactions (MeSH), Metabolome (MeSH), Oligosaccharides (metabolism), Phenols (metabolism), Plant Bark (metabolism), Populus (metabolism), Populus (parasitology), Quinic Acid (metabolism), Salicylic Acid (metabolism), Xylem (metabolism), gamma-Aminobutyric Acid (metabolism).
MESH :
- chemical , metabolism : Amino Acids, Benzyl Alcohols, Catechin, Glucosides, Oligosaccharides, Phenols, Quinic Acid, Salicylic Acid, gamma-Aminobutyric Acid.
- metabolism : Plant Bark, Populus, Xylem.
- parasitology : Populus.
- pathogenicity : Coleoptera.
- Animals, Citric Acid Cycle, Glycolysis, Host-Parasite Interactions, Metabolome.

Abstract

Plants have developed biochemical responses to adapt to biotic stress. To characterize the resistance mechanisms in poplar tree against Apripona germari, comprehensive metabolomic changes of poplar bark and xylem in response to A. germari infection were examined by gas chromatography time-of-flight mass spectrometry (GC-TOF/MS). It was found that, four days after feeding (stage I), A. germari infection brought about changes in various metabolites, such as phenolics, amino acids and sugars in both bark and xylem. Quinic acid, epicatechin, epigallocatechin and salicin might play a role in resistance response in bark, while coniferyl alcohol, ferulic acid and salicin contribute resistance in xylem. At feeding stages II when the larvae fed for more than one month, fewer defensive metabolites were induced, but levels of many intermediates of glycolysis and the tricarboxylic acid (TCA) cycle were reduced, especially in xylem. These results suggested that the defense strategies against A. germari might depend mainly on the early defense responses in poplar. In addition, it was found that bark and xylem in infected trees accumulated higher levels of salicylic acid and 4-aminobutyric acid, respectively, these tissues displaying a direct and systemic reaction against A. germari. However, the actual role of the two metabolites in A. germari-induced defense in poplar requires further investigation.

DOI: 10.3390/ijms17060923
PubMed: 27331808
PubMed Central: PMC4926456

Affiliations:

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Le document en format XML

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<term>Catechin (metabolism)</term>
<term>Citric Acid Cycle (MeSH)</term>
<term>Coleoptera (pathogenicity)</term>
<term>Glucosides (metabolism)</term>
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<term>Acide salicylique (métabolisme)</term>
<term>Acides aminés (métabolisme)</term>
<term>Alcools benzyliques (métabolisme)</term>
<term>Animaux (MeSH)</term>
<term>Catéchine (métabolisme)</term>
<term>Coléoptères (pathogénicité)</term>
<term>Cycle citrique (MeSH)</term>
<term>Glucosides (métabolisme)</term>
<term>Glycolyse (MeSH)</term>
<term>Interactions hôte-parasite (MeSH)</term>
<term>Métabolome (MeSH)</term>
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<term>Salicylic Acid</term>
<term>gamma-Aminobutyric Acid</term>
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<term>Acide quinique</term>
<term>Acide salicylique</term>
<term>Acides aminés</term>
<term>Alcools benzyliques</term>
<term>Catéchine</term>
<term>Glucosides</term>
<term>Oligosaccharides</term>
<term>Phénols</term>
<term>Populus</term>
<term>Xylème</term>
<term>Écorce</term>
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<front><div type="abstract" xml:lang="en">Plants have developed biochemical responses to adapt to biotic stress. To characterize the resistance mechanisms in poplar tree against Apripona germari, comprehensive metabolomic changes of poplar bark and xylem in response to A. germari infection were examined by gas chromatography time-of-flight mass spectrometry (GC-TOF/MS). It was found that, four days after feeding (stage I), A. germari infection brought about changes in various metabolites, such as phenolics, amino acids and sugars in both bark and xylem. Quinic acid, epicatechin, epigallocatechin and salicin might play a role in resistance response in bark, while coniferyl alcohol, ferulic acid and salicin contribute resistance in xylem. At feeding stages II when the larvae fed for more than one month, fewer defensive metabolites were induced, but levels of many intermediates of glycolysis and the tricarboxylic acid (TCA) cycle were reduced, especially in xylem. These results suggested that the defense strategies against A. germari might depend mainly on the early defense responses in poplar. In addition, it was found that bark and xylem in infected trees accumulated higher levels of salicylic acid and 4-aminobutyric acid, respectively, these tissues displaying a direct and systemic reaction against A. germari. However, the actual role of the two metabolites in A. germari-induced defense in poplar requires further investigation. </div>
</front>
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<DateCompleted><Year>2017</Year>
<Month>03</Month>
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<ArticleTitle>Metabolic Responses of Poplar to Apripona germari (Hope) as Revealed by Metabolite Profiling.</ArticleTitle>
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<Abstract><AbstractText>Plants have developed biochemical responses to adapt to biotic stress. To characterize the resistance mechanisms in poplar tree against Apripona germari, comprehensive metabolomic changes of poplar bark and xylem in response to A. germari infection were examined by gas chromatography time-of-flight mass spectrometry (GC-TOF/MS). It was found that, four days after feeding (stage I), A. germari infection brought about changes in various metabolites, such as phenolics, amino acids and sugars in both bark and xylem. Quinic acid, epicatechin, epigallocatechin and salicin might play a role in resistance response in bark, while coniferyl alcohol, ferulic acid and salicin contribute resistance in xylem. At feeding stages II when the larvae fed for more than one month, fewer defensive metabolites were induced, but levels of many intermediates of glycolysis and the tricarboxylic acid (TCA) cycle were reduced, especially in xylem. These results suggested that the defense strategies against A. germari might depend mainly on the early defense responses in poplar. In addition, it was found that bark and xylem in infected trees accumulated higher levels of salicylic acid and 4-aminobutyric acid, respectively, these tissues displaying a direct and systemic reaction against A. germari. However, the actual role of the two metabolites in A. germari-induced defense in poplar requires further investigation. </AbstractText>
</Abstract>
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   |texte=   Metabolic Responses of Poplar to Apripona germari (Hope) as Revealed by Metabolite Profiling.
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Metabolic Responses of Poplar to Apripona germari (Hope) as Revealed by Metabolite Profiling.

Metabolic Responses of Poplar to Apripona germari (Hope) as Revealed by Metabolite Profiling.

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