Thresholds of heavy-metal toxicity in cuttings of European black poplar (Populus nigra L.) determined according to antioxidant status of fine roots and morphometrical disorders.
Identifieur interne : 003778 ( Main/Exploration ); précédent : 003777; suivant : 003779Thresholds of heavy-metal toxicity in cuttings of European black poplar (Populus nigra L.) determined according to antioxidant status of fine roots and morphometrical disorders.
Auteurs : Krzysztof Stobrawa [Pologne] ; Gabriela Lorenc-Pluci SkaSource :
- The Science of the total environment [ 0048-9697 ] ; 2008.
Descripteurs français
- KwdFr :
- Antioxydants (métabolisme), Ascorbate peroxidases (MeSH), Catalase (métabolisme), Glutathione peroxidase (métabolisme), Glutathione reductase (métabolisme), Malonaldéhyde (métabolisme), Métaux lourds (métabolisme), Métaux lourds (toxicité), Peroxidases (métabolisme), Polluants du sol (métabolisme), Polluants du sol (toxicité), Populus (croissance et développement), Populus (effets des médicaments et des substances chimiques), Populus (métabolisme), Pousses de plante (croissance et développement), Pousses de plante (effets des médicaments et des substances chimiques), Racines de plante (effets des médicaments et des substances chimiques), Racines de plante (métabolisme), Superoxide dismutase (métabolisme).
- MESH :
- croissance et développement : Populus, Pousses de plante.
- effets des médicaments et des substances chimiques : Populus, Pousses de plante, Racines de plante.
- métabolisme : Antioxydants, Catalase, Glutathione peroxidase, Glutathione reductase, Malonaldéhyde, Métaux lourds, Peroxidases, Polluants du sol, Populus, Racines de plante, Superoxide dismutase.
- toxicité : Métaux lourds, Polluants du sol.
- Ascorbate peroxidases.
English descriptors
- KwdEn :
- Antioxidants (metabolism), Ascorbate Peroxidases (MeSH), Catalase (metabolism), Glutathione Peroxidase (metabolism), Glutathione Reductase (metabolism), Malondialdehyde (metabolism), Metals, Heavy (metabolism), Metals, Heavy (toxicity), Peroxidases (metabolism), Plant Roots (drug effects), Plant Roots (metabolism), Plant Shoots (drug effects), Plant Shoots (growth & development), Populus (drug effects), Populus (growth & development), Populus (metabolism), Soil Pollutants (metabolism), Soil Pollutants (toxicity), Superoxide Dismutase (metabolism).
- MESH :
- chemical , metabolism : Antioxidants, Catalase, Glutathione Peroxidase, Glutathione Reductase, Malondialdehyde, Metals, Heavy, Peroxidases, Soil Pollutants, Superoxide Dismutase.
- chemical , toxicity : Metals, Heavy, Soil Pollutants.
- chemical : Ascorbate Peroxidases.
- drug effects : Plant Roots, Plant Shoots, Populus.
- growth & development : Plant Shoots, Populus.
- metabolism : Plant Roots, Populus.
Abstract
The effects of increasing concentrations of polluted soils collected from two different stands in the direct neighbourhood of a copper smelter were studied by analyzing the activity of lipid peroxidation and antioxidant enzymes in the fine roots of cuttings of black poplar (Populus nigra L.). Morphological parameters of affected and unaffected plants were compared and concentrations of heavy metals in their fine roots were estimated. Copper and lead were the major pollutants, and their threshold concentrations were determined on the basis of positive or negative impact on shoots and root growth, morphological disorders of the roots (thickening, decreasing of fine roots volume), stimulation or inhibition of the most important antioxidant enzymes: catalase (CAT), superoxide dismutase (SOD), guaiacol and ascorbate peroxidases (GPOX, APOX) and glutathione reductase (GR) as well as increasing MDA concentration. Finally, three thresholds of Cu and Pb concentrations resulting in increasing toxicity against plants were proposed, splitting the ranges of the non toxic presence of these metals into soil (Cu<100 ppm, Pb<30 ppm), full tolerance (Cu 100-220 ppm, Pb 30-70 ppm), limited tolerance (Cu 220-650 ppm, Pb 70-200 ppm) and breakdown of tolerance (Cu>650 ppm, Pb>200 ppm).
DOI: 10.1016/j.scitotenv.2007.09.024
PubMed: 17963819
Affiliations:
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Morphological parameters of affected and unaffected plants were compared and concentrations of heavy metals in their fine roots were estimated. Copper and lead were the major pollutants, and their threshold concentrations were determined on the basis of positive or negative impact on shoots and root growth, morphological disorders of the roots (thickening, decreasing of fine roots volume), stimulation or inhibition of the most important antioxidant enzymes: catalase (CAT), superoxide dismutase (SOD), guaiacol and ascorbate peroxidases (GPOX, APOX) and glutathione reductase (GR) as well as increasing MDA concentration. Finally, three thresholds of Cu and Pb concentrations resulting in increasing toxicity against plants were proposed, splitting the ranges of the non toxic presence of these metals into soil (Cu<100 ppm, Pb<30 ppm), full tolerance (Cu 100-220 ppm, Pb 30-70 ppm), limited tolerance (Cu 220-650 ppm, Pb 70-200 ppm) and breakdown of tolerance (Cu>650 ppm, Pb>200 ppm).</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17963819</PMID><DateCompleted><Year>2008</Year><Month>02</Month><Day>26</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0048-9697</ISSN><JournalIssue CitedMedium="Print"><Volume>390</Volume><Issue>1</Issue><PubDate><Year>2008</Year><Month>Feb</Month><Day>01</Day></PubDate></JournalIssue><Title>The Science of the total environment</Title><ISOAbbreviation>Sci Total Environ</ISOAbbreviation></Journal><ArticleTitle>Thresholds of heavy-metal toxicity in cuttings of European black poplar (Populus nigra L.) determined according to antioxidant status of fine roots and morphometrical disorders.</ArticleTitle><Pagination><MedlinePgn>86-96</MedlinePgn></Pagination><Abstract><AbstractText>The effects of increasing concentrations of polluted soils collected from two different stands in the direct neighbourhood of a copper smelter were studied by analyzing the activity of lipid peroxidation and antioxidant enzymes in the fine roots of cuttings of black poplar (Populus nigra L.). Morphological parameters of affected and unaffected plants were compared and concentrations of heavy metals in their fine roots were estimated. Copper and lead were the major pollutants, and their threshold concentrations were determined on the basis of positive or negative impact on shoots and root growth, morphological disorders of the roots (thickening, decreasing of fine roots volume), stimulation or inhibition of the most important antioxidant enzymes: catalase (CAT), superoxide dismutase (SOD), guaiacol and ascorbate peroxidases (GPOX, APOX) and glutathione reductase (GR) as well as increasing MDA concentration. Finally, three thresholds of Cu and Pb concentrations resulting in increasing toxicity against plants were proposed, splitting the ranges of the non toxic presence of these metals into soil (Cu<100 ppm, Pb<30 ppm), full tolerance (Cu 100-220 ppm, Pb 30-70 ppm), limited tolerance (Cu 220-650 ppm, Pb 70-200 ppm) and breakdown of tolerance (Cu>650 ppm, Pb>200 ppm).</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Stobrawa</LastName><ForeName>Krzysztof</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Institute of Dendrology, Polish Academy of Sciences; Parkowa 5, 62-035 Kórnik, Poland. kstobrawa@o2.pl</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lorenc-Plucińska</LastName><ForeName>Gabriela</ForeName><Initials>G</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><ArticleDate DateType="Electronic"><Year>2007</Year><Month>10</Month><Day>26</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Sci Total Environ</MedlineTA><NlmUniqueID>0330500</NlmUniqueID><ISSNLinking>0048-9697</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000975">Antioxidants</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D019216">Metals, Heavy</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012989">Soil Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>4Y8F71G49Q</RegistryNumber><NameOfSubstance UI="D008315">Malondialdehyde</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.-</RegistryNumber><NameOfSubstance UI="D010544">Peroxidases</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.11</RegistryNumber><NameOfSubstance UI="D060387">Ascorbate Peroxidases</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.6</RegistryNumber><NameOfSubstance UI="D002374">Catalase</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.9</RegistryNumber><NameOfSubstance UI="D005979">Glutathione Peroxidase</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.15.1.1</RegistryNumber><NameOfSubstance UI="D013482">Superoxide Dismutase</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.8.1.7</RegistryNumber><NameOfSubstance UI="D005980">Glutathione Reductase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000975" MajorTopicYN="N">Antioxidants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D060387" MajorTopicYN="N">Ascorbate Peroxidases</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002374" MajorTopicYN="N">Catalase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005979" MajorTopicYN="N">Glutathione Peroxidase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005980" MajorTopicYN="N">Glutathione Reductase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008315" MajorTopicYN="N">Malondialdehyde</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D019216" MajorTopicYN="N">Metals, Heavy</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000633" MajorTopicYN="Y">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010544" MajorTopicYN="N">Peroxidases</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018520" MajorTopicYN="N">Plant Shoots</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012989" MajorTopicYN="N">Soil Pollutants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000633" MajorTopicYN="Y">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013482" MajorTopicYN="N">Superoxide Dismutase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2007</Year><Month>06</Month><Day>01</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2007</Year><Month>09</Month><Day>16</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2007</Year><Month>09</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2007</Year><Month>10</Month><Day>30</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>2</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2007</Year><Month>10</Month><Day>30</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">17963819</ArticleId><ArticleId IdType="pii">S0048-9697(07)01007-8</ArticleId><ArticleId IdType="doi">10.1016/j.scitotenv.2007.09.024</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Pologne</li></country></list><tree><noCountry><name sortKey="Lorenc Pluci Ska, Gabriela" sort="Lorenc Pluci Ska, Gabriela" uniqKey="Lorenc Pluci Ska G" first="Gabriela" last="Lorenc-Pluci Ska">Gabriela Lorenc-Pluci Ska</name></noCountry><country name="Pologne"><noRegion><name sortKey="Stobrawa, Krzysztof" sort="Stobrawa, Krzysztof" uniqKey="Stobrawa K" first="Krzysztof" last="Stobrawa">Krzysztof 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