Effect of inoculation with arbuscular mycorrhizal fungi on the degradation of DEHP in soil.
Identifieur interne : 003711 ( Main/Curation ); précédent : 003710; suivant : 003712Effect of inoculation with arbuscular mycorrhizal fungi on the degradation of DEHP in soil.
Auteurs : Shu-Guang Wang [République populaire de Chine] ; Xian-Gui Lin ; Rui Yin ; Yan-Lin HouSource :
- Journal of environmental sciences (China) [ 1001-0742 ] ; 2004.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Fabaceae.
- microbiologie : Fabaceae.
- métabolisme : Phtalate de bis[2-éthylhexyle], Polluants du sol.
- physiologie : Mycorhizes.
- Dépollution biologique de l'environnement.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Diethylhexyl Phthalate, Soil Pollutants.
- growth & development : Fabaceae.
- microbiology : Fabaceae.
- physiology : Mycorrhizae.
- Biodegradation, Environmental.
Abstract
The effect of inoculation with arbuscular mycorrhizal (AM) fungi (Acaulospora lavis) on the degradation of di(2-ethylhexyl) phthalate (DEHP) in soil was studies. Cowpea plants (Pigna sinensis) were used as host plants and grown in a specially designed rhizobox. The experimental results indicated that, both in sterile and non-sterile soil, mycorrhizal colonization rates were much higher in the mycorrhizal plants than in the non-mycorrhizal plants. Addition of 4 mg/kg DEHP slightly affected mycorrhizal colonization, but the addition of 100 mg/kg DEHP significantly decreased mycorrhizal colonization. DEHP degradation in the mycorrhizosphere (Ms) and hyphosphere (Hs), especially in the Hs, increased after inoculation with Acaulospora lavis. It is concluded that mycorrhizal hyphae play an important role in the plant uptake, degradation and translocation of DEHP. The mechanism might be attributed to increased numbers of bacteria and actinomycetes and activity of dehydrogenase, urease and acid phosphatase in the Ms and Hs by mycorrhizal fungi.
PubMed: 15272723
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pubmed:15272723Le document en format XML
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<author><name sortKey="Wang, Shu Guang" sort="Wang, Shu Guang" uniqKey="Wang S" first="Shu-Guang" last="Wang">Shu-Guang Wang</name>
<affiliation wicri:level="1"><nlm:affiliation>Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China. shgwang2002@yahoo.com.cn</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085</wicri:regionArea>
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<author><name sortKey="Lin, Xian Gui" sort="Lin, Xian Gui" uniqKey="Lin X" first="Xian-Gui" last="Lin">Xian-Gui Lin</name>
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<author><name sortKey="Yin, Rui" sort="Yin, Rui" uniqKey="Yin R" first="Rui" last="Yin">Rui Yin</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodegradation, Environmental (MeSH)</term>
<term>Diethylhexyl Phthalate (metabolism)</term>
<term>Fabaceae (growth & development)</term>
<term>Fabaceae (microbiology)</term>
<term>Mycorrhizae (physiology)</term>
<term>Soil Pollutants (metabolism)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Dépollution biologique de l'environnement (MeSH)</term>
<term>Fabaceae (croissance et développement)</term>
<term>Fabaceae (microbiologie)</term>
<term>Mycorhizes (physiologie)</term>
<term>Phtalate de bis[2-éthylhexyle] (métabolisme)</term>
<term>Polluants du sol (métabolisme)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Diethylhexyl Phthalate</term>
<term>Soil Pollutants</term>
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<keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Fabaceae</term>
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<keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Fabaceae</term>
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<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Fabaceae</term>
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<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Phtalate de bis[2-éthylhexyle]</term>
<term>Polluants du sol</term>
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<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Mycorhizes</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term>
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<keywords scheme="MESH" xml:lang="en"><term>Biodegradation, Environmental</term>
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<front><div type="abstract" xml:lang="en">The effect of inoculation with arbuscular mycorrhizal (AM) fungi (Acaulospora lavis) on the degradation of di(2-ethylhexyl) phthalate (DEHP) in soil was studies. Cowpea plants (Pigna sinensis) were used as host plants and grown in a specially designed rhizobox. The experimental results indicated that, both in sterile and non-sterile soil, mycorrhizal colonization rates were much higher in the mycorrhizal plants than in the non-mycorrhizal plants. Addition of 4 mg/kg DEHP slightly affected mycorrhizal colonization, but the addition of 100 mg/kg DEHP significantly decreased mycorrhizal colonization. DEHP degradation in the mycorrhizosphere (Ms) and hyphosphere (Hs), especially in the Hs, increased after inoculation with Acaulospora lavis. It is concluded that mycorrhizal hyphae play an important role in the plant uptake, degradation and translocation of DEHP. The mechanism might be attributed to increased numbers of bacteria and actinomycetes and activity of dehydrogenase, urease and acid phosphatase in the Ms and Hs by mycorrhizal fungi.</div>
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<Abstract><AbstractText>The effect of inoculation with arbuscular mycorrhizal (AM) fungi (Acaulospora lavis) on the degradation of di(2-ethylhexyl) phthalate (DEHP) in soil was studies. Cowpea plants (Pigna sinensis) were used as host plants and grown in a specially designed rhizobox. The experimental results indicated that, both in sterile and non-sterile soil, mycorrhizal colonization rates were much higher in the mycorrhizal plants than in the non-mycorrhizal plants. Addition of 4 mg/kg DEHP slightly affected mycorrhizal colonization, but the addition of 100 mg/kg DEHP significantly decreased mycorrhizal colonization. DEHP degradation in the mycorrhizosphere (Ms) and hyphosphere (Hs), especially in the Hs, increased after inoculation with Acaulospora lavis. It is concluded that mycorrhizal hyphae play an important role in the plant uptake, degradation and translocation of DEHP. The mechanism might be attributed to increased numbers of bacteria and actinomycetes and activity of dehydrogenase, urease and acid phosphatase in the Ms and Hs by mycorrhizal fungi.</AbstractText>
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