Rhizobacteria of Populus euphratica Promoting Plant Growth Against Heavy Metals.
Identifieur interne : 001C02 ( Main/Corpus ); précédent : 001C01; suivant : 001C03Rhizobacteria of Populus euphratica Promoting Plant Growth Against Heavy Metals.
Auteurs : Donglin Zhu ; Liming Ouyang ; Zhaohui Xu ; Lili ZhangSource :
- International journal of phytoremediation [ 1549-7879 ] ; 2015.
English descriptors
- KwdEn :
- Bacteria (classification), Bacteria (genetics), Bacterial Physiological Phenomena (MeSH), Biodegradation, Environmental (MeSH), DNA, Bacterial (genetics), Metals, Heavy (metabolism), Molecular Sequence Data (MeSH), Plant Roots (growth & development), Plant Roots (microbiology), Plant Roots (physiology), Populus (growth & development), Populus (microbiology), Populus (physiology), RNA, Ribosomal, 16S (genetics), Rhizosphere (MeSH), Sequence Analysis, DNA (MeSH), Soil Microbiology (MeSH), Soil Pollutants (metabolism).
- MESH :
- chemical , genetics : DNA, Bacterial, RNA, Ribosomal, 16S.
- classification : Bacteria.
- genetics : Bacteria.
- growth & development : Plant Roots, Populus.
- chemical , metabolism : Metals, Heavy, Soil Pollutants.
- microbiology : Plant Roots, Populus.
- physiology : Plant Roots, Populus.
- Bacterial Physiological Phenomena, Biodegradation, Environmental, Molecular Sequence Data, Rhizosphere, Sequence Analysis, DNA, Soil Microbiology.
Abstract
The heavy metal-resistant bacteria from rhizospheric soils of wild Populus euphratica forest growing in arid and saline area of northwestern China were investigated by cultivation-dependent methods. After screening on medium sparked with zinc, copper, nickel and lead, 146 bacteria strains with different morphology were isolated and most of them were found to be resistant to at least two kinds of heavy metals. Significant increase in fresh weight and leaf surface area of Arabidopsis thaliana seedlings under metal stress were noticed after inoculated with strains especially those having multiple-resistance to heavy metals such as Phyllobacterium sp. strain C65. Investigation on relationship between auxin production and exogenous zinc concentration revealed that Phyllobacterium sp. strain C65 produced auxin, and production decreased as the concentration of zinc in medium increased. For wheat seedlings treated with zinc of 2 mM, zinc contents in roots of inoculated plants decreased by 27% (P < 0.05) compared to the uninoculated control. Meanwhile, zinc accumulation in the above-ground tissues increased by 22% (P < 0.05). The translocation of zinc from root to above-ground tissues induced by Phyllobacterium sp. strain C65 helped host plants extract zinc from contaminated environments more efficiently thus alleviated the growth inhibition caused by heavy metals.
DOI: 10.1080/15226514.2014.981242
PubMed: 26208544
Links to Exploration step
pubmed:26208544Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Rhizobacteria of Populus euphratica Promoting Plant Growth Against Heavy Metals.</title><author><name sortKey="Zhu, Donglin" sort="Zhu, Donglin" uniqKey="Zhu D" first="Donglin" last="Zhu">Donglin Zhu</name><affiliation><nlm:affiliation>a State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology , Shanghai , China.</nlm:affiliation></affiliation></author><author><name sortKey="Ouyang, Liming" sort="Ouyang, Liming" uniqKey="Ouyang L" first="Liming" last="Ouyang">Liming Ouyang</name></author><author><name sortKey="Xu, Zhaohui" sort="Xu, Zhaohui" uniqKey="Xu Z" first="Zhaohui" last="Xu">Zhaohui Xu</name></author><author><name sortKey="Zhang, Lili" sort="Zhang, Lili" uniqKey="Zhang L" first="Lili" last="Zhang">Lili Zhang</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2015">2015</date><idno type="RBID">pubmed:26208544</idno><idno type="pmid">26208544</idno><idno type="doi">10.1080/15226514.2014.981242</idno><idno type="wicri:Area/Main/Corpus">001C02</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001C02</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Rhizobacteria of Populus euphratica Promoting Plant Growth Against Heavy Metals.</title><author><name sortKey="Zhu, Donglin" sort="Zhu, Donglin" uniqKey="Zhu D" first="Donglin" last="Zhu">Donglin Zhu</name><affiliation><nlm:affiliation>a State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology , Shanghai , China.</nlm:affiliation></affiliation></author><author><name sortKey="Ouyang, Liming" sort="Ouyang, Liming" uniqKey="Ouyang L" first="Liming" last="Ouyang">Liming Ouyang</name></author><author><name sortKey="Xu, Zhaohui" sort="Xu, Zhaohui" uniqKey="Xu Z" first="Zhaohui" last="Xu">Zhaohui Xu</name></author><author><name sortKey="Zhang, Lili" sort="Zhang, Lili" uniqKey="Zhang L" first="Lili" last="Zhang">Lili Zhang</name></author></analytic><series><title level="j">International journal of phytoremediation</title><idno type="eISSN">1549-7879</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bacteria (classification)</term><term>Bacteria (genetics)</term><term>Bacterial Physiological Phenomena (MeSH)</term><term>Biodegradation, Environmental (MeSH)</term><term>DNA, Bacterial (genetics)</term><term>Metals, Heavy (metabolism)</term><term>Molecular Sequence Data (MeSH)</term><term>Plant Roots (growth & development)</term><term>Plant Roots (microbiology)</term><term>Plant Roots (physiology)</term><term>Populus (growth & development)</term><term>Populus (microbiology)</term><term>Populus (physiology)</term><term>RNA, Ribosomal, 16S (genetics)</term><term>Rhizosphere (MeSH)</term><term>Sequence Analysis, DNA (MeSH)</term><term>Soil Microbiology (MeSH)</term><term>Soil Pollutants (metabolism)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>DNA, Bacterial</term><term>RNA, Ribosomal, 16S</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Bacteria</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Bacteria</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Roots</term><term>Populus</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Metals, Heavy</term><term>Soil Pollutants</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Plant Roots</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Bacterial Physiological Phenomena</term><term>Biodegradation, Environmental</term><term>Molecular Sequence Data</term><term>Rhizosphere</term><term>Sequence Analysis, DNA</term><term>Soil Microbiology</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The heavy metal-resistant bacteria from rhizospheric soils of wild Populus euphratica forest growing in arid and saline area of northwestern China were investigated by cultivation-dependent methods. After screening on medium sparked with zinc, copper, nickel and lead, 146 bacteria strains with different morphology were isolated and most of them were found to be resistant to at least two kinds of heavy metals. Significant increase in fresh weight and leaf surface area of Arabidopsis thaliana seedlings under metal stress were noticed after inoculated with strains especially those having multiple-resistance to heavy metals such as Phyllobacterium sp. strain C65. Investigation on relationship between auxin production and exogenous zinc concentration revealed that Phyllobacterium sp. strain C65 produced auxin, and production decreased as the concentration of zinc in medium increased. For wheat seedlings treated with zinc of 2 mM, zinc contents in roots of inoculated plants decreased by 27% (P < 0.05) compared to the uninoculated control. Meanwhile, zinc accumulation in the above-ground tissues increased by 22% (P < 0.05). The translocation of zinc from root to above-ground tissues induced by Phyllobacterium sp. strain C65 helped host plants extract zinc from contaminated environments more efficiently thus alleviated the growth inhibition caused by heavy metals.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">26208544</PMID><DateCompleted><Year>2016</Year><Month>08</Month><Day>16</Day></DateCompleted><DateRevised><Year>2015</Year><Month>07</Month><Day>25</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1549-7879</ISSN><JournalIssue CitedMedium="Internet"><Volume>17</Volume><Issue>10</Issue><PubDate><Year>2015</Year></PubDate></JournalIssue><Title>International journal of phytoremediation</Title><ISOAbbreviation>Int J Phytoremediation</ISOAbbreviation></Journal><ArticleTitle>Rhizobacteria of Populus euphratica Promoting Plant Growth Against Heavy Metals.</ArticleTitle><Pagination><MedlinePgn>973-80</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1080/15226514.2014.981242</ELocationID><Abstract><AbstractText>The heavy metal-resistant bacteria from rhizospheric soils of wild Populus euphratica forest growing in arid and saline area of northwestern China were investigated by cultivation-dependent methods. After screening on medium sparked with zinc, copper, nickel and lead, 146 bacteria strains with different morphology were isolated and most of them were found to be resistant to at least two kinds of heavy metals. Significant increase in fresh weight and leaf surface area of Arabidopsis thaliana seedlings under metal stress were noticed after inoculated with strains especially those having multiple-resistance to heavy metals such as Phyllobacterium sp. strain C65. Investigation on relationship between auxin production and exogenous zinc concentration revealed that Phyllobacterium sp. strain C65 produced auxin, and production decreased as the concentration of zinc in medium increased. For wheat seedlings treated with zinc of 2 mM, zinc contents in roots of inoculated plants decreased by 27% (P < 0.05) compared to the uninoculated control. Meanwhile, zinc accumulation in the above-ground tissues increased by 22% (P < 0.05). The translocation of zinc from root to above-ground tissues induced by Phyllobacterium sp. strain C65 helped host plants extract zinc from contaminated environments more efficiently thus alleviated the growth inhibition caused by heavy metals.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zhu</LastName><ForeName>Donglin</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>a State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology , Shanghai , China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ouyang</LastName><ForeName>Liming</ForeName><Initials>L</Initials></Author><Author ValidYN="Y"><LastName>Xu</LastName><ForeName>Zhaohui</ForeName><Initials>Z</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Lili</ForeName><Initials>L</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Int J Phytoremediation</MedlineTA><NlmUniqueID>101136878</NlmUniqueID><ISSNLinking>1522-6514</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D004269">DNA, Bacterial</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D019216">Metals, Heavy</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012336">RNA, Ribosomal, 16S</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012989">Soil Pollutants</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001419" MajorTopicYN="N">Bacteria</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="N">classification</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018407" MajorTopicYN="Y">Bacterial Physiological Phenomena</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001673" MajorTopicYN="N">Biodegradation, Environmental</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004269" MajorTopicYN="N">DNA, Bacterial</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D019216" MajorTopicYN="N">Metals, Heavy</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008969" MajorTopicYN="N">Molecular Sequence Data</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012336" MajorTopicYN="N">RNA, Ribosomal, 16S</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D058441" MajorTopicYN="Y">Rhizosphere</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017422" MajorTopicYN="N">Sequence Analysis, DNA</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012988" MajorTopicYN="Y">Soil Microbiology</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012989" MajorTopicYN="N">Soil Pollutants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Populus euphratica</Keyword><Keyword MajorTopicYN="N">metal toxicity</Keyword><Keyword MajorTopicYN="N">phytoremediation</Keyword><Keyword MajorTopicYN="N">plant growth-promoting rhizobacteria (PGPR)</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2015</Year><Month>7</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2015</Year><Month>7</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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