Heavy Metal Accumulation/Excretion in and Food Utilization of Lymantria dispar Larvae Fed With Zn- or Pb-Stressed Populus alba berolinensis Leaves.
Identifieur interne : 000E53 ( Main/Exploration ); précédent : 000E52; suivant : 000E54Heavy Metal Accumulation/Excretion in and Food Utilization of Lymantria dispar Larvae Fed With Zn- or Pb-Stressed Populus alba berolinensis Leaves.
Auteurs : Dun Jiang [République populaire de Chine] ; Xiao-Wen Dong [République populaire de Chine] ; Shan-Chun Yan [République populaire de Chine]Source :
- Environmental entomology [ 1938-2936 ] ; 2018.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Feuilles de plante, Larve, Papillons de nuit, Plomb, Populus, Zinc.
- Animaux.
English descriptors
- KwdEn :
- MESH :
Abstract
Heavy metal contaminations have attracted increasing concern worldwide due to their potential damages to the whole ecosystem. This study investigated the heavy metal-accumulation and excretion in, and food utilization of the gypsy moth (Lymantria dispar) larvae that were fed with leaves plucked from poplar seedlings (Populus alba berolinensis) grown in either noncontaminated soil (control), Zn-contaminated soil (500mg/kg), or Pb-contaminated soil (500mg/kg). Our results showed that excretion of heavy metals via insect feces and exuvia is an effective approach to reduce the internal Zn and Pb concentrations, and result in the decrease of Zn and Pb concentrations in the gypsy moth larvae with the increased larval age. In addition, the gypsy moth larvae seemed to have a strong homeostatic adjustment mechanism [between approximate digestibility (AD) and efficiency of conversion of digested food (ECD)] that maintains a stable level of "efficiency of conversion of ingested food (ECI)" regardless of heavy metal (Zn or Pb) contaminations or not, except the fifth instar larvae in which the increase in AD was insufficient to compensate for the decrease of ECD. These results suggest that heavy metal excretions could help the gypsy moth larvae cope with Zn or Pb stress, and the increased digestion of food could meet their energy requirements for both detoxification and growth. However, further increase in Zn or Pb exposure time seemed to inhibit the larval food utilization.
DOI: 10.1093/ee/nvy088
PubMed: 29924308
Affiliations:
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Chine</country><wicri:regionArea>School of Forestry, Northeast Forestry University, Harbin</wicri:regionArea><wicri:noRegion>Harbin</wicri:noRegion></affiliation></author><author><name sortKey="Yan, Shan Chun" sort="Yan, Shan Chun" uniqKey="Yan S" first="Shan-Chun" last="Yan">Shan-Chun Yan</name><affiliation wicri:level="1"><nlm:affiliation>School of Forestry, Northeast Forestry University, Harbin, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>School of Forestry, Northeast Forestry University, Harbin</wicri:regionArea><wicri:noRegion>Harbin</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2018">2018</date><idno type="RBID">pubmed:29924308</idno><idno type="pmid">29924308</idno><idno type="doi">10.1093/ee/nvy088</idno><idno type="wicri:Area/Main/Corpus">000D82</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" 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first="Xiao-Wen" last="Dong">Xiao-Wen Dong</name><affiliation wicri:level="1"><nlm:affiliation>School of Forestry, Northeast Forestry University, Harbin, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>School of Forestry, Northeast Forestry University, Harbin</wicri:regionArea><wicri:noRegion>Harbin</wicri:noRegion></affiliation></author><author><name sortKey="Yan, Shan Chun" sort="Yan, Shan Chun" uniqKey="Yan S" first="Shan-Chun" last="Yan">Shan-Chun Yan</name><affiliation wicri:level="1"><nlm:affiliation>School of Forestry, Northeast Forestry University, Harbin, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>School of Forestry, Northeast Forestry University, Harbin</wicri:regionArea><wicri:noRegion>Harbin</wicri:noRegion></affiliation></author></analytic><series><title level="j">Environmental entomology</title><idno type="eISSN">1938-2936</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals (MeSH)</term><term>Larva (metabolism)</term><term>Lead (metabolism)</term><term>Moths (metabolism)</term><term>Plant Leaves (metabolism)</term><term>Populus (metabolism)</term><term>Zinc (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux (MeSH)</term><term>Feuilles de plante (métabolisme)</term><term>Larve (métabolisme)</term><term>Papillons de nuit (métabolisme)</term><term>Plomb (métabolisme)</term><term>Populus (métabolisme)</term><term>Zinc (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Lead</term><term>Zinc</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Larva</term><term>Moths</term><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Feuilles de plante</term><term>Larve</term><term>Papillons de nuit</term><term>Plomb</term><term>Populus</term><term>Zinc</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Heavy metal contaminations have attracted increasing concern worldwide due to their potential damages to the whole ecosystem. This study investigated the heavy metal-accumulation and excretion in, and food utilization of the gypsy moth (Lymantria dispar) larvae that were fed with leaves plucked from poplar seedlings (Populus alba berolinensis) grown in either noncontaminated soil (control), Zn-contaminated soil (500mg/kg), or Pb-contaminated soil (500mg/kg). Our results showed that excretion of heavy metals via insect feces and exuvia is an effective approach to reduce the internal Zn and Pb concentrations, and result in the decrease of Zn and Pb concentrations in the gypsy moth larvae with the increased larval age. In addition, the gypsy moth larvae seemed to have a strong homeostatic adjustment mechanism [between approximate digestibility (AD) and efficiency of conversion of digested food (ECD)] that maintains a stable level of "efficiency of conversion of ingested food (ECI)" regardless of heavy metal (Zn or Pb) contaminations or not, except the fifth instar larvae in which the increase in AD was insufficient to compensate for the decrease of ECD. These results suggest that heavy metal excretions could help the gypsy moth larvae cope with Zn or Pb stress, and the increased digestion of food could meet their energy requirements for both detoxification and growth. However, further increase in Zn or Pb exposure time seemed to inhibit the larval food utilization.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29924308</PMID><DateCompleted><Year>2019</Year><Month>02</Month><Day>14</Day></DateCompleted><DateRevised><Year>2019</Year><Month>02</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1938-2936</ISSN><JournalIssue CitedMedium="Internet"><Volume>47</Volume><Issue>5</Issue><PubDate><Year>2018</Year><Month>10</Month><Day>03</Day></PubDate></JournalIssue><Title>Environmental entomology</Title><ISOAbbreviation>Environ Entomol</ISOAbbreviation></Journal><ArticleTitle>Heavy Metal Accumulation/Excretion in and Food Utilization of Lymantria dispar Larvae Fed With Zn- or Pb-Stressed Populus alba berolinensis Leaves.</ArticleTitle><Pagination><MedlinePgn>1329-1336</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/ee/nvy088</ELocationID><Abstract><AbstractText>Heavy metal contaminations have attracted increasing concern worldwide due to their potential damages to the whole ecosystem. This study investigated the heavy metal-accumulation and excretion in, and food utilization of the gypsy moth (Lymantria dispar) larvae that were fed with leaves plucked from poplar seedlings (Populus alba berolinensis) grown in either noncontaminated soil (control), Zn-contaminated soil (500mg/kg), or Pb-contaminated soil (500mg/kg). Our results showed that excretion of heavy metals via insect feces and exuvia is an effective approach to reduce the internal Zn and Pb concentrations, and result in the decrease of Zn and Pb concentrations in the gypsy moth larvae with the increased larval age. In addition, the gypsy moth larvae seemed to have a strong homeostatic adjustment mechanism [between approximate digestibility (AD) and efficiency of conversion of digested food (ECD)] that maintains a stable level of "efficiency of conversion of ingested food (ECI)" regardless of heavy metal (Zn or Pb) contaminations or not, except the fifth instar larvae in which the increase in AD was insufficient to compensate for the decrease of ECD. These results suggest that heavy metal excretions could help the gypsy moth larvae cope with Zn or Pb stress, and the increased digestion of food could meet their energy requirements for both detoxification and growth. However, further increase in Zn or Pb exposure time seemed to inhibit the larval food utilization.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Jiang</LastName><ForeName>Dun</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>School of Forestry, Northeast Forestry University, Harbin, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dong</LastName><ForeName>Xiao-Wen</ForeName><Initials>XW</Initials><AffiliationInfo><Affiliation>School of Forestry, Northeast Forestry University, Harbin, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yan</LastName><ForeName>Shan-Chun</ForeName><Initials>SC</Initials><AffiliationInfo><Affiliation>School of Forestry, Northeast Forestry University, Harbin, China.</Affiliation></AffiliationInfo></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>England</Country><MedlineTA>Environ Entomol</MedlineTA><NlmUniqueID>7502320</NlmUniqueID><ISSNLinking>0046-225X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>2P299V784P</RegistryNumber><NameOfSubstance UI="D007854">Lead</NameOfSubstance></Chemical><Chemical><RegistryNumber>J41CSQ7QDS</RegistryNumber><NameOfSubstance UI="D015032">Zinc</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007814" MajorTopicYN="N">Larva</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007854" MajorTopicYN="N">Lead</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009036" MajorTopicYN="N">Moths</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D015032" MajorTopicYN="N">Zinc</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year><Month>01</Month><Day>05</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>6</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>2</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>6</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29924308</ArticleId><ArticleId IdType="pii">5040045</ArticleId><ArticleId IdType="doi">10.1093/ee/nvy088</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Jiang, Dun" sort="Jiang, Dun" uniqKey="Jiang D" first="Dun" last="Jiang">Dun Jiang</name></noRegion><name sortKey="Dong, Xiao Wen" sort="Dong, Xiao Wen" uniqKey="Dong X" first="Xiao-Wen" last="Dong">Xiao-Wen Dong</name><name sortKey="Yan, Shan Chun" sort="Yan, Shan Chun" uniqKey="Yan S" first="Shan-Chun" last="Yan">Shan-Chun Yan</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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