Effects of inoculation of PAH-degrading bacteria and arbuscular mycorrhizal fungi on responses of ryegrass to phenanthrene and pyrene.
Identifieur interne : 001840 ( Main/Corpus ); précédent : 001839; suivant : 001841Effects of inoculation of PAH-degrading bacteria and arbuscular mycorrhizal fungi on responses of ryegrass to phenanthrene and pyrene.
Auteurs : Fuyong Wu ; Xiezhi Yu ; Shengchun Wu ; Minghung WongSource :
- International journal of phytoremediation [ 1522-6514 ] ; 2014.
English descriptors
- KwdEn :
- Acinetobacter (physiology), Antioxidants (metabolism), Biodegradation, Environmental (MeSH), Carbohydrates (analysis), Chlorophyll (metabolism), Glomeromycota (physiology), Lolium (microbiology), Lolium (physiology), Malondialdehyde (metabolism), Mycorrhizae (physiology), Phenanthrenes (analysis), Phenanthrenes (metabolism), Plant Roots (microbiology), Plant Roots (physiology), Plant Shoots (microbiology), Plant Shoots (physiology), Polycyclic Aromatic Hydrocarbons (analysis), Polycyclic Aromatic Hydrocarbons (metabolism), Pyrenes (analysis), Pyrenes (metabolism), Soil (chemistry), Stress, Physiological (MeSH), Water (metabolism).
- MESH :
- chemical , analysis : Carbohydrates, Phenanthrenes, Polycyclic Aromatic Hydrocarbons, Pyrenes.
- chemical , chemistry : Soil.
- chemical , metabolism : Antioxidants, Chlorophyll, Malondialdehyde, Phenanthrenes, Polycyclic Aromatic Hydrocarbons, Pyrenes, Water.
- microbiology : Lolium, Plant Roots, Plant Shoots.
- physiology : Acinetobacter, Glomeromycota, Lolium, Mycorrhizae, Plant Roots, Plant Shoots.
- Biodegradation, Environmental, Stress, Physiological.
Abstract
In order to investigate the effects of soil microorganisms on biochemical and physiological response of plants to PAHs, PAH-degrading bacteria (Acinetobacter sp.) and/or arbuscular mycorrhizal fungus (Glomus mosseae) were inoculated with ryegrass (Lolium multiflorum) under four different concentrations of phenanthrene and pyrene (0, 50 + 50, 100 + 100, 200 + 200 mg kg(-1)) in soils. Acinetobacter sp. played limited roles on the growth of ryegrass, chlorophyll content, water soluble carbohydrate content, malondialdehyde (MDA) content, activities of superoxide dismutase (SOD) and peroxidase (POD) in shoot. By contrast, G. mosseae significantly (P < 0.01) increased ryegrass growth, partially by improving the photosynthetic activity through increasing the chlorophyll content in shoot. G. mosseae also significantly decreased MDA content in shoot. However, G. mosseae significantly increased SOD activity in shoot, which seemed to be resulted from significantly higher pyrene concentrations in shoot. The present study suggested that AM fungi could reduce the damage of cell membranes caused by free radicals, which may be one of the mechanisms involved in mycorrhizal alleviation of plant stress under PAHs. The present study indicated that the dual inoculation was superior to single inoculation in remediating PAHs contaminated soils.
DOI: 10.1080/15226514.2012.759526
PubMed: 24912204
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pubmed:24912204Le document en format XML
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Acinetobacter sp. played limited roles on the growth of ryegrass, chlorophyll content, water soluble carbohydrate content, malondialdehyde (MDA) content, activities of superoxide dismutase (SOD) and peroxidase (POD) in shoot. By contrast, G. mosseae significantly (P < 0.01) increased ryegrass growth, partially by improving the photosynthetic activity through increasing the chlorophyll content in shoot. G. mosseae also significantly decreased MDA content in shoot. However, G. mosseae significantly increased SOD activity in shoot, which seemed to be resulted from significantly higher pyrene concentrations in shoot. The present study suggested that AM fungi could reduce the damage of cell membranes caused by free radicals, which may be one of the mechanisms involved in mycorrhizal alleviation of plant stress under PAHs. The present study indicated that the dual inoculation was superior to single inoculation in remediating PAHs contaminated soils.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24912204</PMID><DateCompleted><Year>2014</Year><Month>07</Month><Day>10</Day></DateCompleted><DateRevised><Year>2017</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1522-6514</ISSN><JournalIssue CitedMedium="Print"><Volume>16</Volume><Issue>2</Issue><PubDate><Year>2014</Year></PubDate></JournalIssue><Title>International journal of phytoremediation</Title><ISOAbbreviation>Int J Phytoremediation</ISOAbbreviation></Journal><ArticleTitle>Effects of inoculation of PAH-degrading bacteria and arbuscular mycorrhizal fungi on responses of ryegrass to phenanthrene and pyrene.</ArticleTitle><Pagination><MedlinePgn>109-22</MedlinePgn></Pagination><Abstract><AbstractText>In order to investigate the effects of soil microorganisms on biochemical and physiological response of plants to PAHs, PAH-degrading bacteria (Acinetobacter sp.) and/or arbuscular mycorrhizal fungus (Glomus mosseae) were inoculated with ryegrass (Lolium multiflorum) under four different concentrations of phenanthrene and pyrene (0, 50 + 50, 100 + 100, 200 + 200 mg kg(-1)) in soils. Acinetobacter sp. played limited roles on the growth of ryegrass, chlorophyll content, water soluble carbohydrate content, malondialdehyde (MDA) content, activities of superoxide dismutase (SOD) and peroxidase (POD) in shoot. By contrast, G. mosseae significantly (P < 0.01) increased ryegrass growth, partially by improving the photosynthetic activity through increasing the chlorophyll content in shoot. G. mosseae also significantly decreased MDA content in shoot. However, G. mosseae significantly increased SOD activity in shoot, which seemed to be resulted from significantly higher pyrene concentrations in shoot. The present study suggested that AM fungi could reduce the damage of cell membranes caused by free radicals, which may be one of the mechanisms involved in mycorrhizal alleviation of plant stress under PAHs. The present study indicated that the dual inoculation was superior to single inoculation in remediating PAHs contaminated soils.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wu</LastName><ForeName>Fuyong</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Yu</LastName><ForeName>Xiezhi</ForeName><Initials>X</Initials></Author><Author ValidYN="Y"><LastName>Wu</LastName><ForeName>Shengchun</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Wong</LastName><ForeName>Minghung</ForeName><Initials>M</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 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