PoplarV1, Main, Exploration, bibRecord, 000749

PtomtAPX, a mitochondrial ascorbate peroxidase, plays an important role in maintaining the redox balance of Populus tomentosa Carr.

Identifieur interne : 000749 ( Main/Exploration ); précédent : 000748; suivant : 000750

PtomtAPX, a mitochondrial ascorbate peroxidase, plays an important role in maintaining the redox balance of Populus tomentosa Carr.

Source :

Scientific reports [ 2045-2322 ] ; 2019.

RBID : pubmed:31862975

Descripteurs français

English descriptors

KwdEn :
- Ascorbate Peroxidases (genetics), Ascorbate Peroxidases (metabolism), Chloroplasts (metabolism), Enzyme-Linked Immunosorbent Assay (MeSH), Flow Cytometry (MeSH), Gene Expression Regulation, Plant (genetics), Immunoblotting (MeSH), Mitochondria (metabolism), Oxidation-Reduction (MeSH), Plant Proteins (genetics), Plant Proteins (metabolism), Plants, Genetically Modified (genetics), Plants, Genetically Modified (metabolism), Polymerase Chain Reaction (MeSH), Populus (enzymology), Populus (genetics), Populus (metabolism).
MESH :
- chemical , genetics : Ascorbate Peroxidases, Plant Proteins.
- chemical , metabolism : Ascorbate Peroxidases, Plant Proteins.
- enzymology : Populus.
- genetics : Gene Expression Regulation, Plant, Plants, Genetically Modified, Populus.
- metabolism : Chloroplasts, Mitochondria, Plants, Genetically Modified, Populus.
- Enzyme-Linked Immunosorbent Assay, Flow Cytometry, Immunoblotting, Oxidation-Reduction, Polymerase Chain Reaction.

Abstract

Plant mitochondria are important energy-producing structure and ROS are generated as byproducts. APX is one enzyme of the AsA-GSH cycle to reduces H₂O₂ to water. We identified both PtomtAPX and PtosAPX are located in mitochondria of Populus tomentosa Carr. PtomtAPX is specifically targeted to mitochondria, while PtosAPX is dual targeted to both chloroplast and mitochondria. The expression of PtomtAPX in mitochondria was 60-fold that of PtosAPX by ELISA and qPCR analysis. Under high light stress, the expression levels of PtosAPX increased, while that of PtomtAPX only slightly changed. Compared to the WT, the antisense transgenic PtomtAPX cell lines showed slowed growth, smaller cells impaired mitochondria in MS medium under normal growth. RNA-seq results showed 3121 genes significantly altered expression in the antisense cells, and most of them are important for mitochondrial function, particularly in oxidative phosphorylation. Our findings demonstrates a mitochondrial location for one APX isoform, and provide valuable insight into the mechanism which ROS balance is modulated by AsA-GSH cycle in mitochondria.

DOI: 10.1038/s41598-019-56148-w
PubMed: 31862975
PubMed Central: PMC6925217

Affiliations:

République populaire de Chine

Links toward previous steps (curation, corpus...)

to stream Main, to step Corpus: 000552
to stream Main, to step Curation: 000552

Le document en format XML

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<author><name sortKey="Li, Conghui" sort="Li, Conghui" uniqKey="Li C" first="Conghui" last="Li">Conghui Li</name>
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<author><name sortKey="Du, Xihua" sort="Du, Xihua" uniqKey="Du X" first="Xihua" last="Du">Xihua Du</name>
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<author><name sortKey="Li, Yinjun" sort="Li, Yinjun" uniqKey="Li Y" first="Yinjun" last="Li">Yinjun Li</name>
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<author><name sortKey="Liu, Di" sort="Liu, Di" uniqKey="Liu D" first="Di" last="Liu">Di Liu</name>
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<author><name sortKey="Lu, Hai" sort="Lu, Hai" uniqKey="Lu H" first="Hai" last="Lu">Hai Lu</name>
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<term>Ascorbate Peroxidases (metabolism)</term>
<term>Chloroplasts (metabolism)</term>
<term>Enzyme-Linked Immunosorbent Assay (MeSH)</term>
<term>Flow Cytometry (MeSH)</term>
<term>Gene Expression Regulation, Plant (genetics)</term>
<term>Immunoblotting (MeSH)</term>
<term>Mitochondria (metabolism)</term>
<term>Oxidation-Reduction (MeSH)</term>
<term>Plant Proteins (genetics)</term>
<term>Plant Proteins (metabolism)</term>
<term>Plants, Genetically Modified (genetics)</term>
<term>Plants, Genetically Modified (metabolism)</term>
<term>Polymerase Chain Reaction (MeSH)</term>
<term>Populus (enzymology)</term>
<term>Populus (genetics)</term>
<term>Populus (metabolism)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Ascorbate peroxidases (génétique)</term>
<term>Ascorbate peroxidases (métabolisme)</term>
<term>Chloroplastes (métabolisme)</term>
<term>Cytométrie en flux (MeSH)</term>
<term>Immunotransfert (MeSH)</term>
<term>Mitochondries (métabolisme)</term>
<term>Oxydoréduction (MeSH)</term>
<term>Populus (enzymologie)</term>
<term>Populus (génétique)</term>
<term>Populus (métabolisme)</term>
<term>Protéines végétales (génétique)</term>
<term>Protéines végétales (métabolisme)</term>
<term>Réaction de polymérisation en chaîne (MeSH)</term>
<term>Régulation de l'expression des gènes végétaux (génétique)</term>
<term>Test ELISA (MeSH)</term>
<term>Végétaux génétiquement modifiés (génétique)</term>
<term>Végétaux génétiquement modifiés (métabolisme)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Ascorbate Peroxidases</term>
<term>Plant Proteins</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Ascorbate Peroxidases</term>
<term>Plant Proteins</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Gene Expression Regulation, Plant</term>
<term>Plants, Genetically Modified</term>
<term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Ascorbate peroxidases</term>
<term>Populus</term>
<term>Protéines végétales</term>
<term>Régulation de l'expression des gènes végétaux</term>
<term>Végétaux génétiquement modifiés</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Chloroplasts</term>
<term>Mitochondria</term>
<term>Plants, Genetically Modified</term>
<term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Ascorbate peroxidases</term>
<term>Chloroplastes</term>
<term>Mitochondries</term>
<term>Populus</term>
<term>Protéines végétales</term>
<term>Végétaux génétiquement modifiés</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Enzyme-Linked Immunosorbent Assay</term>
<term>Flow Cytometry</term>
<term>Immunoblotting</term>
<term>Oxidation-Reduction</term>
<term>Polymerase Chain Reaction</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Cytométrie en flux</term>
<term>Immunotransfert</term>
<term>Oxydoréduction</term>
<term>Réaction de polymérisation en chaîne</term>
<term>Test ELISA</term>
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<front><div type="abstract" xml:lang="en">Plant mitochondria are important energy-producing structure and ROS are generated as byproducts. APX is one enzyme of the AsA-GSH cycle to reduces H<sub>2</sub>
O<sub>2</sub>
 to water. We identified both PtomtAPX and PtosAPX are located in mitochondria of Populus tomentosa Carr. PtomtAPX is specifically targeted to mitochondria, while PtosAPX is dual targeted to both chloroplast and mitochondria. The expression of PtomtAPX in mitochondria was 60-fold that of PtosAPX by ELISA and qPCR analysis. Under high light stress, the expression levels of PtosAPX increased, while that of PtomtAPX only slightly changed. Compared to the WT, the antisense transgenic PtomtAPX cell lines showed slowed growth, smaller cells impaired mitochondria in MS medium under normal growth. RNA-seq results showed 3121 genes significantly altered expression in the antisense cells, and most of them are important for mitochondrial function, particularly in oxidative phosphorylation. Our findings demonstrates a mitochondrial location for one APX isoform, and provide valuable insight into the mechanism which ROS balance is modulated by AsA-GSH cycle in mitochondria.</div>
</front>
</TEI>
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<Title>Scientific reports</Title>
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<ArticleTitle>PtomtAPX, a mitochondrial ascorbate peroxidase, plays an important role in maintaining the redox balance of Populus tomentosa Carr.</ArticleTitle>
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<ELocationID EIdType="doi" ValidYN="Y">10.1038/s41598-019-56148-w</ELocationID>
<Abstract><AbstractText>Plant mitochondria are important energy-producing structure and ROS are generated as byproducts. APX is one enzyme of the AsA-GSH cycle to reduces H<sub>2</sub>
O<sub>2</sub>
 to water. We identified both PtomtAPX and PtosAPX are located in mitochondria of Populus tomentosa Carr. PtomtAPX is specifically targeted to mitochondria, while PtosAPX is dual targeted to both chloroplast and mitochondria. The expression of PtomtAPX in mitochondria was 60-fold that of PtosAPX by ELISA and qPCR analysis. Under high light stress, the expression levels of PtosAPX increased, while that of PtomtAPX only slightly changed. Compared to the WT, the antisense transgenic PtomtAPX cell lines showed slowed growth, smaller cells impaired mitochondria in MS medium under normal growth. RNA-seq results showed 3121 genes significantly altered expression in the antisense cells, and most of them are important for mitochondrial function, particularly in oxidative phosphorylation. Our findings demonstrates a mitochondrial location for one APX isoform, and provide valuable insight into the mechanism which ROS balance is modulated by AsA-GSH cycle in mitochondria.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yin</LastName>
<ForeName>Bin</ForeName>
<Initials>B</Initials>
<Identifier Source="ORCID">0000-0002-5542-3209</Identifier>
<AffiliationInfo><Affiliation>Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Zhang</LastName>
<ForeName>Jiaxue</ForeName>
<Initials>J</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Liu</LastName>
<ForeName>Yadi</ForeName>
<Initials>Y</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Pan</LastName>
<ForeName>Xiang</ForeName>
<Initials>X</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Zhao</LastName>
<ForeName>Zhijing</ForeName>
<Initials>Z</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Li</LastName>
<ForeName>Hui</ForeName>
<Initials>H</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Zhang</LastName>
<ForeName>Chong</ForeName>
<Initials>C</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Li</LastName>
<ForeName>Conghui</ForeName>
<Initials>C</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Du</LastName>
<ForeName>Xihua</ForeName>
<Initials>X</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Li</LastName>
<ForeName>Yinjun</ForeName>
<Initials>Y</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Liu</LastName>
<ForeName>Di</ForeName>
<Initials>D</Initials>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China. liudi@bjfu.edu.cn.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Lu</LastName>
<ForeName>Hai</ForeName>
<Initials>H</Initials>
<Identifier Source="ORCID">0000-0003-0937-954X</Identifier>
<AffiliationInfo><Affiliation>Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing Forestry University, Beijing, 100083, People's Republic of China. luhai1974@bjfu.edu.cn.</Affiliation>
</AffiliationInfo>
<AffiliationInfo><Affiliation>College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, 100083, People's Republic of China. luhai1974@bjfu.edu.cn.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
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<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic"><Year>2019</Year>
<Month>12</Month>
<Day>20</Day>
</ArticleDate>
</Article>
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<MedlineTA>Sci Rep</MedlineTA>
<NlmUniqueID>101563288</NlmUniqueID>
<ISSNLinking>2045-2322</ISSNLinking>
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<NameOfSubstance UI="D010940">Plant Proteins</NameOfSubstance>
</Chemical>
<Chemical><RegistryNumber>EC 1.11.1.11</RegistryNumber>
<NameOfSubstance UI="D060387">Ascorbate Peroxidases</NameOfSubstance>
</Chemical>
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<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
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<MeshHeading><DescriptorName UI="D002736" MajorTopicYN="N">Chloroplasts</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D004797" MajorTopicYN="N">Enzyme-Linked Immunosorbent Assay</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D005434" MajorTopicYN="N">Flow Cytometry</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D015151" MajorTopicYN="N">Immunoblotting</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D008928" MajorTopicYN="N">Mitochondria</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D010084" MajorTopicYN="N">Oxidation-Reduction</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D010940" MajorTopicYN="N">Plant Proteins</DescriptorName>
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</MeshHeading>
<MeshHeading><DescriptorName UI="D016133" MajorTopicYN="N">Polymerase Chain Reaction</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName>
<QualifierName UI="Q000201" MajorTopicYN="Y">enzymology</QualifierName>
<QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
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<affiliations><list><country><li>République populaire de Chine</li>
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<name sortKey="Du, Xihua" sort="Du, Xihua" uniqKey="Du X" first="Xihua" last="Du">Xihua Du</name>
<name sortKey="Li, Conghui" sort="Li, Conghui" uniqKey="Li C" first="Conghui" last="Li">Conghui Li</name>
<name sortKey="Li, Hui" sort="Li, Hui" uniqKey="Li H" first="Hui" last="Li">Hui Li</name>
<name sortKey="Li, Yinjun" sort="Li, Yinjun" uniqKey="Li Y" first="Yinjun" last="Li">Yinjun Li</name>
<name sortKey="Liu, Di" sort="Liu, Di" uniqKey="Liu D" first="Di" last="Liu">Di Liu</name>
<name sortKey="Liu, Yadi" sort="Liu, Yadi" uniqKey="Liu Y" first="Yadi" last="Liu">Yadi Liu</name>
<name sortKey="Lu, Hai" sort="Lu, Hai" uniqKey="Lu H" first="Hai" last="Lu">Hai Lu</name>
<name sortKey="Lu, Hai" sort="Lu, Hai" uniqKey="Lu H" first="Hai" last="Lu">Hai Lu</name>
<name sortKey="Pan, Xiang" sort="Pan, Xiang" uniqKey="Pan X" first="Xiang" last="Pan">Xiang Pan</name>
<name sortKey="Yin, Bin" sort="Yin, Bin" uniqKey="Yin B" first="Bin" last="Yin">Bin Yin</name>
<name sortKey="Zhang, Chong" sort="Zhang, Chong" uniqKey="Zhang C" first="Chong" last="Zhang">Chong Zhang</name>
<name sortKey="Zhang, Jiaxue" sort="Zhang, Jiaxue" uniqKey="Zhang J" first="Jiaxue" last="Zhang">Jiaxue Zhang</name>
<name sortKey="Zhao, Zhijing" sort="Zhao, Zhijing" uniqKey="Zhao Z" first="Zhijing" last="Zhao">Zhijing Zhao</name>
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   |texte=   PtomtAPX, a mitochondrial ascorbate peroxidase, plays an important role in maintaining the redox balance of Populus tomentosa Carr.
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PtomtAPX, a mitochondrial ascorbate peroxidase, plays an important role in maintaining the redox balance of Populus tomentosa Carr.

PtomtAPX, a mitochondrial ascorbate peroxidase, plays an important role in maintaining the redox balance of Populus tomentosa Carr.

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