Microbial community biomass and structure in saline and non-saline soils associated with salt- and boron-tolerant poplar clones grown for the phytoremediation of selenium.
Identifieur interne : 000C14 ( Main/Corpus ); précédent : 000C13; suivant : 000C15Microbial community biomass and structure in saline and non-saline soils associated with salt- and boron-tolerant poplar clones grown for the phytoremediation of selenium.
Auteurs : Sadikshya R. Dangi ; Gary Ba Uelos ; Jeffrey S. Buyer ; Bradley Hanson ; James GerikSource :
- International journal of phytoremediation [ 1549-7879 ] ; 2018.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Soil.
- chemical , metabolism : Selenium, Soil Pollutants.
- chemical : Boron, Fatty Acids, Phospholipids.
- Biodegradation, Environmental, Biomass, Microbiota, Mycorrhizae, Populus, Salinity, Soil Microbiology, Trees.
Abstract
Poplar trees (Populus spp.) are often used in bioremediation strategies because of their ability to phytoextract potential toxic ions, e.g., selenium (Se) from poor quality soils. Soil microorganisms may play a vital role in sustaining health of soil and/or tolerance of these trees grown in poor quality soils by contributing to nutrient cycling, soil structure, overall soil quality, and plant survival. The effect of naturally occurring salts boron (B) and Se on soil microbial community composition associated with poplar trees is not known for bioremediation strategies. In this study, three Populus clones 13-366, 345-1, and 347-14 were grown in spring 2006 under highly saline, B, and Se clay-like soils in the west side of the San Joaquin Valley (SJV) of CA, as well as in non-saline sandy loam soils located in the east side of the SJV. After 7 years of growing in the respective soils of different qualities, soil samples were collected from poplar clones grown in saline and non-saline soils to examine and compare soil quality effects on soil microbial community biomass and composition. The phospholipid fatty acid (PLFA) analysis was used to characterize microbial community composition in soils from trees grown at both locations. This study showed that microbial biomass and the amount and proportion of arbuscular mycorrhizal fungal (AMF) community were lower in all three poplar clones grown in saline soil compared to non-saline soil. Amounts of Gram + bacterial and actinomycetes PLFAs were significantly lower in poplar clone 13-366 grown in saline soil compared to non-saline soil; however, they did not differ significantly in poplar clones 347-14 and 345-1. Additionally, amounts of saprophytic fungal, Gram - bacterial and eukaryotic PLFA remained similar at saline and non-saline sites under poplar clones 347-14, 345-1, and 13-366. Therefore, this study suggested that salinity and B do have an impact on microbial biomass and AMF; however, these poplar clones still recycled sufficient amount of nutrients to support and protect saprophytic fungal and bacterial communities from the effects of poor quality soils.
DOI: 10.1080/15226514.2017.1337073
PubMed: 28678529
Links to Exploration step
pubmed:28678529Le document en format XML
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<author><name sortKey="Dangi, Sadikshya R" sort="Dangi, Sadikshya R" uniqKey="Dangi S" first="Sadikshya R" last="Dangi">Sadikshya R. Dangi</name>
<affiliation><nlm:affiliation>a Water Management Research Unit , San Joaquin Valley Agricultural Sciences Center, USDA Agricultural Research Service , Parlier , CA , USA.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Ba Uelos, Gary" sort="Ba Uelos, Gary" uniqKey="Ba Uelos G" first="Gary" last="Ba Uelos">Gary Ba Uelos</name>
<affiliation><nlm:affiliation>a Water Management Research Unit , San Joaquin Valley Agricultural Sciences Center, USDA Agricultural Research Service , Parlier , CA , USA.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Buyer, Jeffrey S" sort="Buyer, Jeffrey S" uniqKey="Buyer J" first="Jeffrey S" last="Buyer">Jeffrey S. Buyer</name>
<affiliation><nlm:affiliation>b Sustainable Agricultural Systems Laboratory , USDA Agricultural Research Service , Beltsville , MD , USA.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Hanson, Bradley" sort="Hanson, Bradley" uniqKey="Hanson B" first="Bradley" last="Hanson">Bradley Hanson</name>
<affiliation><nlm:affiliation>c Department of Plant Sciences , University of California-Davis , Davis , CA , USA.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Gerik, James" sort="Gerik, James" uniqKey="Gerik J" first="James" last="Gerik">James Gerik</name>
<affiliation><nlm:affiliation>a Water Management Research Unit , San Joaquin Valley Agricultural Sciences Center, USDA Agricultural Research Service , Parlier , CA , USA.</nlm:affiliation>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Microbial community biomass and structure in saline and non-saline soils associated with salt- and boron-tolerant poplar clones grown for the phytoremediation of selenium.</title>
<author><name sortKey="Dangi, Sadikshya R" sort="Dangi, Sadikshya R" uniqKey="Dangi S" first="Sadikshya R" last="Dangi">Sadikshya R. Dangi</name>
<affiliation><nlm:affiliation>a Water Management Research Unit , San Joaquin Valley Agricultural Sciences Center, USDA Agricultural Research Service , Parlier , CA , USA.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Ba Uelos, Gary" sort="Ba Uelos, Gary" uniqKey="Ba Uelos G" first="Gary" last="Ba Uelos">Gary Ba Uelos</name>
<affiliation><nlm:affiliation>a Water Management Research Unit , San Joaquin Valley Agricultural Sciences Center, USDA Agricultural Research Service , Parlier , CA , USA.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Buyer, Jeffrey S" sort="Buyer, Jeffrey S" uniqKey="Buyer J" first="Jeffrey S" last="Buyer">Jeffrey S. Buyer</name>
<affiliation><nlm:affiliation>b Sustainable Agricultural Systems Laboratory , USDA Agricultural Research Service , Beltsville , MD , USA.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Hanson, Bradley" sort="Hanson, Bradley" uniqKey="Hanson B" first="Bradley" last="Hanson">Bradley Hanson</name>
<affiliation><nlm:affiliation>c Department of Plant Sciences , University of California-Davis , Davis , CA , USA.</nlm:affiliation>
</affiliation>
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<author><name sortKey="Gerik, James" sort="Gerik, James" uniqKey="Gerik J" first="James" last="Gerik">James Gerik</name>
<affiliation><nlm:affiliation>a Water Management Research Unit , San Joaquin Valley Agricultural Sciences Center, USDA Agricultural Research Service , Parlier , CA , USA.</nlm:affiliation>
</affiliation>
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<series><title level="j">International journal of phytoremediation</title>
<idno type="eISSN">1549-7879</idno>
<imprint><date when="2018" type="published">2018</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodegradation, Environmental (MeSH)</term>
<term>Biomass (MeSH)</term>
<term>Boron (MeSH)</term>
<term>Fatty Acids (MeSH)</term>
<term>Microbiota (MeSH)</term>
<term>Mycorrhizae (MeSH)</term>
<term>Phospholipids (MeSH)</term>
<term>Populus (MeSH)</term>
<term>Salinity (MeSH)</term>
<term>Selenium (metabolism)</term>
<term>Soil (chemistry)</term>
<term>Soil Microbiology (MeSH)</term>
<term>Soil Pollutants (metabolism)</term>
<term>Trees (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Selenium</term>
<term>Soil Pollutants</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Boron</term>
<term>Fatty Acids</term>
<term>Phospholipids</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Biodegradation, Environmental</term>
<term>Biomass</term>
<term>Microbiota</term>
<term>Mycorrhizae</term>
<term>Populus</term>
<term>Salinity</term>
<term>Soil Microbiology</term>
<term>Trees</term>
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<front><div type="abstract" xml:lang="en">Poplar trees (Populus spp.) are often used in bioremediation strategies because of their ability to phytoextract potential toxic ions, e.g., selenium (Se) from poor quality soils. Soil microorganisms may play a vital role in sustaining health of soil and/or tolerance of these trees grown in poor quality soils by contributing to nutrient cycling, soil structure, overall soil quality, and plant survival. The effect of naturally occurring salts boron (B) and Se on soil microbial community composition associated with poplar trees is not known for bioremediation strategies. In this study, three Populus clones 13-366, 345-1, and 347-14 were grown in spring 2006 under highly saline, B, and Se clay-like soils in the west side of the San Joaquin Valley (SJV) of CA, as well as in non-saline sandy loam soils located in the east side of the SJV. After 7 years of growing in the respective soils of different qualities, soil samples were collected from poplar clones grown in saline and non-saline soils to examine and compare soil quality effects on soil microbial community biomass and composition. The phospholipid fatty acid (PLFA) analysis was used to characterize microbial community composition in soils from trees grown at both locations. This study showed that microbial biomass and the amount and proportion of arbuscular mycorrhizal fungal (AMF) community were lower in all three poplar clones grown in saline soil compared to non-saline soil. Amounts of Gram + bacterial and actinomycetes PLFAs were significantly lower in poplar clone 13-366 grown in saline soil compared to non-saline soil; however, they did not differ significantly in poplar clones 347-14 and 345-1. Additionally, amounts of saprophytic fungal, Gram - bacterial and eukaryotic PLFA remained similar at saline and non-saline sites under poplar clones 347-14, 345-1, and 13-366. Therefore, this study suggested that salinity and B do have an impact on microbial biomass and AMF; however, these poplar clones still recycled sufficient amount of nutrients to support and protect saprophytic fungal and bacterial communities from the effects of poor quality soils.</div>
</front>
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<DateCompleted><Year>2019</Year>
<Month>08</Month>
<Day>09</Day>
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<Title>International journal of phytoremediation</Title>
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<ArticleTitle>Microbial community biomass and structure in saline and non-saline soils associated with salt- and boron-tolerant poplar clones grown for the phytoremediation of selenium.</ArticleTitle>
<Pagination><MedlinePgn>129-137</MedlinePgn>
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<Abstract><AbstractText>Poplar trees (Populus spp.) are often used in bioremediation strategies because of their ability to phytoextract potential toxic ions, e.g., selenium (Se) from poor quality soils. Soil microorganisms may play a vital role in sustaining health of soil and/or tolerance of these trees grown in poor quality soils by contributing to nutrient cycling, soil structure, overall soil quality, and plant survival. The effect of naturally occurring salts boron (B) and Se on soil microbial community composition associated with poplar trees is not known for bioremediation strategies. In this study, three Populus clones 13-366, 345-1, and 347-14 were grown in spring 2006 under highly saline, B, and Se clay-like soils in the west side of the San Joaquin Valley (SJV) of CA, as well as in non-saline sandy loam soils located in the east side of the SJV. After 7 years of growing in the respective soils of different qualities, soil samples were collected from poplar clones grown in saline and non-saline soils to examine and compare soil quality effects on soil microbial community biomass and composition. The phospholipid fatty acid (PLFA) analysis was used to characterize microbial community composition in soils from trees grown at both locations. This study showed that microbial biomass and the amount and proportion of arbuscular mycorrhizal fungal (AMF) community were lower in all three poplar clones grown in saline soil compared to non-saline soil. Amounts of Gram + bacterial and actinomycetes PLFAs were significantly lower in poplar clone 13-366 grown in saline soil compared to non-saline soil; however, they did not differ significantly in poplar clones 347-14 and 345-1. Additionally, amounts of saprophytic fungal, Gram - bacterial and eukaryotic PLFA remained similar at saline and non-saline sites under poplar clones 347-14, 345-1, and 13-366. Therefore, this study suggested that salinity and B do have an impact on microbial biomass and AMF; however, these poplar clones still recycled sufficient amount of nutrients to support and protect saprophytic fungal and bacterial communities from the effects of poor quality soils.</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Dangi</LastName>
<ForeName>Sadikshya R</ForeName>
<Initials>SR</Initials>
<AffiliationInfo><Affiliation>a Water Management Research Unit , San Joaquin Valley Agricultural Sciences Center, USDA Agricultural Research Service , Parlier , CA , USA.</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Bañuelos</LastName>
<ForeName>Gary</ForeName>
<Initials>G</Initials>
<AffiliationInfo><Affiliation>a Water Management Research Unit , San Joaquin Valley Agricultural Sciences Center, USDA Agricultural Research Service , Parlier , CA , USA.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Buyer</LastName>
<ForeName>Jeffrey S</ForeName>
<Initials>JS</Initials>
<AffiliationInfo><Affiliation>b Sustainable Agricultural Systems Laboratory , USDA Agricultural Research Service , Beltsville , MD , USA.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Hanson</LastName>
<ForeName>Bradley</ForeName>
<Initials>B</Initials>
<AffiliationInfo><Affiliation>c Department of Plant Sciences , University of California-Davis , Davis , CA , USA.</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Gerik</LastName>
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<AffiliationInfo><Affiliation>a Water Management Research Unit , San Joaquin Valley Agricultural Sciences Center, USDA Agricultural Research Service , Parlier , CA , USA.</Affiliation>
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<Language>eng</Language>
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<MedlineJournalInfo><Country>United States</Country>
<MedlineTA>Int J Phytoremediation</MedlineTA>
<NlmUniqueID>101136878</NlmUniqueID>
<ISSNLinking>1522-6514</ISSNLinking>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D001673" MajorTopicYN="Y">Biodegradation, Environmental</DescriptorName>
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<MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D001895" MajorTopicYN="N">Boron</DescriptorName>
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<MeshHeading><DescriptorName UI="D005227" MajorTopicYN="N">Fatty Acids</DescriptorName>
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<MeshHeading><DescriptorName UI="D064307" MajorTopicYN="N">Microbiota</DescriptorName>
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<MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D010743" MajorTopicYN="N">Phospholipids</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D032107" MajorTopicYN="Y">Populus</DescriptorName>
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<MeshHeading><DescriptorName UI="D054712" MajorTopicYN="N">Salinity</DescriptorName>
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<MeshHeading><DescriptorName UI="D012643" MajorTopicYN="Y">Selenium</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
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</MeshHeading>
<MeshHeading><DescriptorName UI="D012988" MajorTopicYN="N">Soil Microbiology</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D012989" MajorTopicYN="Y">Soil Pollutants</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">PLFA</Keyword>
<Keyword MajorTopicYN="N">boron</Keyword>
<Keyword MajorTopicYN="N">microbial community composition</Keyword>
<Keyword MajorTopicYN="N">poplar</Keyword>
<Keyword MajorTopicYN="N">saline</Keyword>
<Keyword MajorTopicYN="N">selenium</Keyword>
</KeywordList>
</MedlineCitation>
<PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2017</Year>
<Month>7</Month>
<Day>6</Day>
<Hour>6</Hour>
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