Nitrogen addition shifts the microbial community in the rhizosphere of Pinus tabuliformis in Northwestern China.
Identifieur interne : 000D51 ( Main/Corpus ); précédent : 000D50; suivant : 000D52Nitrogen addition shifts the microbial community in the rhizosphere of Pinus tabuliformis in Northwestern China.
Auteurs : Fenglian Lv ; Sha Xue ; Guoliang Wang ; Chao ZhangSource :
- PloS one [ 1932-6203 ] ; 2017.
English descriptors
- KwdEn :
- Actinobacteria (metabolism), Bacteria (growth & development), Bacteria (metabolism), Biomass (MeSH), China (MeSH), Ecosystem (MeSH), Mycorrhizae (metabolism), Nitrogen (metabolism), Pinus (growth & development), Pinus (metabolism), Plant Roots (metabolism), Plant Roots (microbiology), Rhizosphere (MeSH), Soil Microbiology (MeSH).
- MESH :
- chemical , metabolism : Nitrogen.
- growth & development : Bacteria, Pinus.
- metabolism : Actinobacteria, Bacteria, Mycorrhizae, Pinus, Plant Roots.
- microbiology : Plant Roots.
- Biomass, China, Ecosystem, Rhizosphere, Soil Microbiology.
Abstract
Atmospheric nitrogen (N) deposition profoundly alters the soil microbial communities and will thus affect nutrient cycles. The effects of N availability on microbial community, however, are not clear. We used PLFA analysis to evaluate the effects of a gradient of N addition (0, 2.8, 5.6, 11.2, and 22.4 g N m-2 y-1) for three years on the rhizospheric microbial community of Pinus tabuliformis seedlings. The main factors influencing the community were quantified using structural equation modelling and redundancy analysis. At the microbial-community level, N addition increased the total phospholipid fatty acids content by increasing the dissolved organic carbon (DOC) and root biomass. Increases in soil microbial biomass carbon and N, however, was attributed to the increased DOC, N content and decreased pH. At the microbial-groups level, Fungal, arbuscular mycorrhizal fungal (AMF), gram-positive bacterial (GP) abundances and the GP:GN ratio first increased and then decreased with N addition. Nitrogen addition increased the abundances of bacteria, fungi, and actinomycetes mainly by increasing the DOC content and decreasing root biomass. Additionally, the decrease of pH and ammonium N caused by N addition increased the fungal abundances and reduced actinomycete abundances, respectively. Nitrogen addition shifted the rhizospheric microbial community mainly by altering the DOC content and root biomass. The current rate of N deposition (2.5 g N m-2 y-1) benefits plant growth and increases the abundances of fungi, arbuscular mycorrhizal fungi, GP, actinomycetes and the GP:GN ratio.
DOI: 10.1371/journal.pone.0172382
PubMed: 28234932
PubMed Central: PMC5325277
Links to Exploration step
pubmed:28234932Le document en format XML
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Yangling, Shaanxi, China.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Guoliang" sort="Wang, Guoliang" uniqKey="Wang G" first="Guoliang" last="Wang">Guoliang Wang</name><affiliation><nlm:affiliation>Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi, China.</nlm:affiliation></affiliation></author><author><name sortKey="Zhang, Chao" sort="Zhang, Chao" uniqKey="Zhang C" first="Chao" last="Zhang">Chao Zhang</name><affiliation><nlm:affiliation>Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi, China.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2017">2017</date><idno type="RBID">pubmed:28234932</idno><idno type="pmid">28234932</idno><idno type="doi">10.1371/journal.pone.0172382</idno><idno type="pmc">PMC5325277</idno><idno type="wicri:Area/Main/Corpus">000D51</idno><idno type="wicri:explorRef" wicri:stream="Main" 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Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi, China.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Guoliang" sort="Wang, Guoliang" uniqKey="Wang G" first="Guoliang" last="Wang">Guoliang Wang</name><affiliation><nlm:affiliation>Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi, China.</nlm:affiliation></affiliation></author><author><name sortKey="Zhang, Chao" sort="Zhang, Chao" uniqKey="Zhang C" first="Chao" last="Zhang">Chao Zhang</name><affiliation><nlm:affiliation>Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi, China.</nlm:affiliation></affiliation></author></analytic><series><title level="j">PloS one</title><idno type="eISSN">1932-6203</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Actinobacteria (metabolism)</term><term>Bacteria (growth & development)</term><term>Bacteria (metabolism)</term><term>Biomass (MeSH)</term><term>China (MeSH)</term><term>Ecosystem (MeSH)</term><term>Mycorrhizae (metabolism)</term><term>Nitrogen (metabolism)</term><term>Pinus (growth & development)</term><term>Pinus (metabolism)</term><term>Plant Roots (metabolism)</term><term>Plant Roots (microbiology)</term><term>Rhizosphere (MeSH)</term><term>Soil Microbiology (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Nitrogen</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Bacteria</term><term>Pinus</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Actinobacteria</term><term>Bacteria</term><term>Mycorrhizae</term><term>Pinus</term><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>China</term><term>Ecosystem</term><term>Rhizosphere</term><term>Soil Microbiology</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Atmospheric nitrogen (N) deposition profoundly alters the soil microbial communities and will thus affect nutrient cycles. The effects of N availability on microbial community, however, are not clear. We used PLFA analysis to evaluate the effects of a gradient of N addition (0, 2.8, 5.6, 11.2, and 22.4 g N m-2 y-1) for three years on the rhizospheric microbial community of Pinus tabuliformis seedlings. The main factors influencing the community were quantified using structural equation modelling and redundancy analysis. At the microbial-community level, N addition increased the total phospholipid fatty acids content by increasing the dissolved organic carbon (DOC) and root biomass. Increases in soil microbial biomass carbon and N, however, was attributed to the increased DOC, N content and decreased pH. At the microbial-groups level, Fungal, arbuscular mycorrhizal fungal (AMF), gram-positive bacterial (GP) abundances and the GP:GN ratio first increased and then decreased with N addition. Nitrogen addition increased the abundances of bacteria, fungi, and actinomycetes mainly by increasing the DOC content and decreasing root biomass. Additionally, the decrease of pH and ammonium N caused by N addition increased the fungal abundances and reduced actinomycete abundances, respectively. Nitrogen addition shifted the rhizospheric microbial community mainly by altering the DOC content and root biomass. The current rate of N deposition (2.5 g N m-2 y-1) benefits plant growth and increases the abundances of fungi, arbuscular mycorrhizal fungi, GP, actinomycetes and the GP:GN ratio.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">28234932</PMID><DateCompleted><Year>2017</Year><Month>08</Month><Day>17</Day></DateCompleted><DateRevised><Year>2019</Year><Month>02</Month><Day>08</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><ISSN IssnType="Electronic">1932-6203</ISSN><JournalIssue CitedMedium="Internet"><Volume>12</Volume><Issue>2</Issue><PubDate><Year>2017</Year></PubDate></JournalIssue><Title>PloS one</Title><ISOAbbreviation>PLoS One</ISOAbbreviation></Journal><ArticleTitle>Nitrogen addition shifts the microbial community in the rhizosphere of Pinus tabuliformis in Northwestern China.</ArticleTitle><Pagination><MedlinePgn>e0172382</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1371/journal.pone.0172382</ELocationID><Abstract><AbstractText>Atmospheric nitrogen (N) deposition profoundly alters the soil microbial communities and will thus affect nutrient cycles. The effects of N availability on microbial community, however, are not clear. We used PLFA analysis to evaluate the effects of a gradient of N addition (0, 2.8, 5.6, 11.2, and 22.4 g N m-2 y-1) for three years on the rhizospheric microbial community of Pinus tabuliformis seedlings. The main factors influencing the community were quantified using structural equation modelling and redundancy analysis. At the microbial-community level, N addition increased the total phospholipid fatty acids content by increasing the dissolved organic carbon (DOC) and root biomass. Increases in soil microbial biomass carbon and N, however, was attributed to the increased DOC, N content and decreased pH. At the microbial-groups level, Fungal, arbuscular mycorrhizal fungal (AMF), gram-positive bacterial (GP) abundances and the GP:GN ratio first increased and then decreased with N addition. Nitrogen addition increased the abundances of bacteria, fungi, and actinomycetes mainly by increasing the DOC content and decreasing root biomass. Additionally, the decrease of pH and ammonium N caused by N addition increased the fungal abundances and reduced actinomycete abundances, respectively. Nitrogen addition shifted the rhizospheric microbial community mainly by altering the DOC content and root biomass. The current rate of N deposition (2.5 g N m-2 y-1) benefits plant growth and increases the abundances of fungi, arbuscular mycorrhizal fungi, GP, actinomycetes and the GP:GN ratio.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Lv</LastName><ForeName>Fenglian</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A & F University, Yangling, Shaanxi, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xue</LastName><ForeName>Sha</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A & F University, Yangling, Shaanxi, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Guoliang</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Chao</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi, China.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>02</Month><Day>24</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>PLoS One</MedlineTA><NlmUniqueID>101285081</NlmUniqueID><ISSNLinking>1932-6203</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D039903" MajorTopicYN="N">Actinobacteria</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D001419" MajorTopicYN="N">Bacteria</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002681" MajorTopicYN="N">China</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D028223" MajorTopicYN="N">Pinus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D058441" 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