[Combined remediation effects of arbuscular mycorrhizal fungi-legumes-rhizobium symbiosis on PCBs contaminated soils].
Identifieur interne : 002B44 ( Main/Exploration ); précédent : 002B43; suivant : 002B45[Combined remediation effects of arbuscular mycorrhizal fungi-legumes-rhizobium symbiosis on PCBs contaminated soils].
Auteurs : Ying Teng [République populaire de Chine] ; Yong-Ming Luo ; Jun Gao ; Zhen-Gao LiSource :
- Huan jing ke xue= Huanjing kexue [ 0250-3301 ] ; 2008.
Descripteurs français
- KwdFr :
- Dépollution biologique de l'environnement (MeSH), Medicago sativa (microbiologie), Medicago sativa (métabolisme), Mycorhizes (métabolisme), Polluants du sol (métabolisme), Polychlorobiphényles (métabolisme), Racines de plante (microbiologie), Racines de plante (métabolisme), Sinorhizobium meliloti (métabolisme), Symbiose (MeSH).
- MESH :
- microbiologie : Medicago sativa, Racines de plante.
- métabolisme : Medicago sativa, Mycorhizes, Polluants du sol, Polychlorobiphényles, Racines de plante, Sinorhizobium meliloti.
- Dépollution biologique de l'environnement, Symbiose.
English descriptors
- KwdEn :
- Biodegradation, Environmental (MeSH), Medicago sativa (metabolism), Medicago sativa (microbiology), Mycorrhizae (metabolism), Plant Roots (metabolism), Plant Roots (microbiology), Polychlorinated Biphenyls (metabolism), Sinorhizobium meliloti (metabolism), Soil Pollutants (metabolism), Symbiosis (MeSH).
- MESH :
- chemical , metabolism : Polychlorinated Biphenyls, Soil Pollutants.
- metabolism : Medicago sativa, Mycorrhizae, Plant Roots, Sinorhizobium meliloti.
- microbiology : Medicago sativa, Plant Roots.
- Biodegradation, Environmental, Symbiosis.
Abstract
The combined remediation effects of dual inoculation with an arbuscular mycorrhizal fungus (AM) and rhizabium (Rhizobium meliloti) with a host plant (alfalfa) on PCBs contaminated soils was studied using pot experiments. The results showed that alfalfa had a clear role in PCBs removal in soils compared with treatments without alfalfa and inoculated microorganisms, PCBs concentration in lightly and heavily polluted soils decreased 15.8% and 23.5%, respectively. After planting alfalfa with single incubation of Glomus caledonium, PCBs concentration decreased 14.8% and 24.1% from lightly and heavily polluted soils, decreased 20.6% and 25.5% for single incubation of Rhizobium meliloti, respectively. After dual incubation with Glomus caledonium and Rhizobium meliloi, PCBs concentration in lightly and heavily polluted soils decreased 23.2% and 26.9%. We also observed that soil microbial communities in alfalfa rhizosphere soils had a higher carbon utilization rate, improving the functional diversity of the soil microbial community. The results suggest that dual incubation of Glomus caledonium and Rhizobium meliloti has great potential in remediation of PCBs contaminated soils.
PubMed: 19143396
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<affiliation wicri:level="1"><nlm:affiliation>Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences,Nanjing 210008, China. yteng@issas.ac.cn</nlm:affiliation>
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<author><name sortKey="Luo, Yong Ming" sort="Luo, Yong Ming" uniqKey="Luo Y" first="Yong-Ming" last="Luo">Yong-Ming Luo</name>
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<term>Mycorrhizae (metabolism)</term>
<term>Plant Roots (metabolism)</term>
<term>Plant Roots (microbiology)</term>
<term>Polychlorinated Biphenyls (metabolism)</term>
<term>Sinorhizobium meliloti (metabolism)</term>
<term>Soil Pollutants (metabolism)</term>
<term>Symbiosis (MeSH)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Dépollution biologique de l'environnement (MeSH)</term>
<term>Medicago sativa (microbiologie)</term>
<term>Medicago sativa (métabolisme)</term>
<term>Mycorhizes (métabolisme)</term>
<term>Polluants du sol (métabolisme)</term>
<term>Polychlorobiphényles (métabolisme)</term>
<term>Racines de plante (microbiologie)</term>
<term>Racines de plante (métabolisme)</term>
<term>Sinorhizobium meliloti (métabolisme)</term>
<term>Symbiose (MeSH)</term>
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<term>Soil Pollutants</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Medicago sativa</term>
<term>Mycorrhizae</term>
<term>Plant Roots</term>
<term>Sinorhizobium meliloti</term>
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<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Medicago sativa</term>
<term>Racines de plante</term>
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<term>Plant Roots</term>
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<term>Polychlorobiphényles</term>
<term>Racines de plante</term>
<term>Sinorhizobium meliloti</term>
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<term>Symbiosis</term>
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<front><div type="abstract" xml:lang="en">The combined remediation effects of dual inoculation with an arbuscular mycorrhizal fungus (AM) and rhizabium (Rhizobium meliloti) with a host plant (alfalfa) on PCBs contaminated soils was studied using pot experiments. The results showed that alfalfa had a clear role in PCBs removal in soils compared with treatments without alfalfa and inoculated microorganisms, PCBs concentration in lightly and heavily polluted soils decreased 15.8% and 23.5%, respectively. After planting alfalfa with single incubation of Glomus caledonium, PCBs concentration decreased 14.8% and 24.1% from lightly and heavily polluted soils, decreased 20.6% and 25.5% for single incubation of Rhizobium meliloti, respectively. After dual incubation with Glomus caledonium and Rhizobium meliloi, PCBs concentration in lightly and heavily polluted soils decreased 23.2% and 26.9%. We also observed that soil microbial communities in alfalfa rhizosphere soils had a higher carbon utilization rate, improving the functional diversity of the soil microbial community. The results suggest that dual incubation of Glomus caledonium and Rhizobium meliloti has great potential in remediation of PCBs contaminated soils.</div>
</front>
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<ArticleTitle>[Combined remediation effects of arbuscular mycorrhizal fungi-legumes-rhizobium symbiosis on PCBs contaminated soils].</ArticleTitle>
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<Abstract><AbstractText>The combined remediation effects of dual inoculation with an arbuscular mycorrhizal fungus (AM) and rhizabium (Rhizobium meliloti) with a host plant (alfalfa) on PCBs contaminated soils was studied using pot experiments. The results showed that alfalfa had a clear role in PCBs removal in soils compared with treatments without alfalfa and inoculated microorganisms, PCBs concentration in lightly and heavily polluted soils decreased 15.8% and 23.5%, respectively. After planting alfalfa with single incubation of Glomus caledonium, PCBs concentration decreased 14.8% and 24.1% from lightly and heavily polluted soils, decreased 20.6% and 25.5% for single incubation of Rhizobium meliloti, respectively. After dual incubation with Glomus caledonium and Rhizobium meliloi, PCBs concentration in lightly and heavily polluted soils decreased 23.2% and 26.9%. We also observed that soil microbial communities in alfalfa rhizosphere soils had a higher carbon utilization rate, improving the functional diversity of the soil microbial community. The results suggest that dual incubation of Glomus caledonium and Rhizobium meliloti has great potential in remediation of PCBs contaminated soils.</AbstractText>
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