De novo biosynthesis versus sequestration: a network of transport systems supports in iridoid producing leaf beetle larvae both modes of defense.
Identifieur interne : 003825 ( Main/Curation ); précédent : 003824; suivant : 003826De novo biosynthesis versus sequestration: a network of transport systems supports in iridoid producing leaf beetle larvae both modes of defense.
Auteurs : Maritta Kunert [Allemagne] ; Astrid S E ; Stefan Bartram ; Sabrina Discher ; Karla Tolzin-Banasch ; Lihua Nie ; Anja David ; Jacques Pasteels ; Wilhelm BolandSource :
- Insect biochemistry and molecular biology [ 0965-1748 ] ; 2008.
Descripteurs français
- KwdFr :
- Animaux (MeSH), Coléoptères (métabolisme), Corps gras (métabolisme), Fèces (composition chimique), Glucosides (analyse), Glucosides (métabolisme), Hémolymphe (métabolisme), Iridoïdes (métabolisme), Isotopes du carbone (métabolisme), Larve (métabolisme), Populus (MeSH), Salix (MeSH), Spectrométrie de masse (MeSH), Symbiose (MeSH), Écosystème (MeSH).
- MESH :
- analyse : Glucosides.
- composition chimique : Fèces.
- métabolisme : Coléoptères, Corps gras, Glucosides, Hémolymphe, Iridoïdes, Isotopes du carbone, Larve.
- Animaux, Populus, Salix, Spectrométrie de masse, Symbiose, Écosystème.
English descriptors
- KwdEn :
- Animals (MeSH), Carbon Isotopes (metabolism), Coleoptera (metabolism), Ecosystem (MeSH), Fat Body (metabolism), Feces (chemistry), Glucosides (analysis), Glucosides (metabolism), Hemolymph (metabolism), Iridoids (metabolism), Larva (metabolism), Mass Spectrometry (MeSH), Populus (MeSH), Salix (MeSH), Symbiosis (MeSH).
- MESH :
- chemical , analysis : Glucosides.
- chemical , metabolism : Carbon Isotopes, Glucosides, Iridoids.
- chemistry : Feces.
- metabolism : Coleoptera, Fat Body, Hemolymph, Larva.
- Animals, Ecosystem, Mass Spectrometry, Populus, Salix, Symbiosis.
Abstract
In the larval chrysomelines the de novo synthesis of monoterpenoids (iridoids) is believed to represent the ancestral state in the evolution of chemical defenses. Here we demonstrate that the iridoid producing larvae of Plagiodera versicolora and Phratora laticollis have the potential to sequester precursors from food. In nature, iridoids may even have a dual origin, namely plant-derived and de novo produced. The ability to sequester plant-derived precursors was proved by (i) (13)C-labelling of the terpenoids in the food plant, (ii) by larval feeding on leaves impregnated with analogs and labelled putative precursors for iridoid biosynthesis; and (iii) by injection of the precursors into the hemolymph followed by mass spectroscopic analysis of their distribution in the hemolymph, defensive secretion, and faeces. The experimental findings support a network of transport systems which allows a broader range of glucosides to enter and to leave the hemocoel, while only the appropriate precursor, 8-hydroxygeraniol-8-O-beta-d-glucoside, is channelled to the reservoir and processed to iridoids. The dual system of de novo biosynthesis and sequestration of phytogenic precursors may have favoured the larvae to shift from one host plant to another without losing their defense.
DOI: 10.1016/j.ibmb.2008.06.005
PubMed: 18687400
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sort="Discher, Sabrina" uniqKey="Discher S" first="Sabrina" last="Discher">Sabrina Discher</name></author><author><name sortKey="Tolzin Banasch, Karla" sort="Tolzin Banasch, Karla" uniqKey="Tolzin Banasch K" first="Karla" last="Tolzin-Banasch">Karla Tolzin-Banasch</name></author><author><name sortKey="Nie, Lihua" sort="Nie, Lihua" uniqKey="Nie L" first="Lihua" last="Nie">Lihua Nie</name></author><author><name sortKey="David, Anja" sort="David, Anja" uniqKey="David A" first="Anja" last="David">Anja David</name></author><author><name sortKey="Pasteels, Jacques" sort="Pasteels, Jacques" uniqKey="Pasteels J" first="Jacques" last="Pasteels">Jacques Pasteels</name></author><author><name sortKey="Boland, Wilhelm" sort="Boland, Wilhelm" uniqKey="Boland W" first="Wilhelm" last="Boland">Wilhelm Boland</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2008">2008</date><idno type="RBID">pubmed:18687400</idno><idno type="pmid">18687400</idno><idno 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Jena</wicri:regionArea></affiliation></author><author><name sortKey="S E, Astrid" sort="S E, Astrid" uniqKey="S E A" first="Astrid" last="S E">Astrid S E</name></author><author><name sortKey="Bartram, Stefan" sort="Bartram, Stefan" uniqKey="Bartram S" first="Stefan" last="Bartram">Stefan Bartram</name></author><author><name sortKey="Discher, Sabrina" sort="Discher, Sabrina" uniqKey="Discher S" first="Sabrina" last="Discher">Sabrina Discher</name></author><author><name sortKey="Tolzin Banasch, Karla" sort="Tolzin Banasch, Karla" uniqKey="Tolzin Banasch K" first="Karla" last="Tolzin-Banasch">Karla Tolzin-Banasch</name></author><author><name sortKey="Nie, Lihua" sort="Nie, Lihua" uniqKey="Nie L" first="Lihua" last="Nie">Lihua Nie</name></author><author><name sortKey="David, Anja" sort="David, Anja" uniqKey="David A" first="Anja" last="David">Anja David</name></author><author><name sortKey="Pasteels, Jacques" sort="Pasteels, Jacques" uniqKey="Pasteels J" first="Jacques" last="Pasteels">Jacques Pasteels</name></author><author><name sortKey="Boland, Wilhelm" sort="Boland, Wilhelm" uniqKey="Boland W" first="Wilhelm" last="Boland">Wilhelm Boland</name></author></analytic><series><title level="j">Insect biochemistry and molecular biology</title><idno type="ISSN">0965-1748</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals (MeSH)</term><term>Carbon Isotopes (metabolism)</term><term>Coleoptera (metabolism)</term><term>Ecosystem (MeSH)</term><term>Fat Body (metabolism)</term><term>Feces (chemistry)</term><term>Glucosides (analysis)</term><term>Glucosides (metabolism)</term><term>Hemolymph (metabolism)</term><term>Iridoids (metabolism)</term><term>Larva (metabolism)</term><term>Mass Spectrometry (MeSH)</term><term>Populus (MeSH)</term><term>Salix (MeSH)</term><term>Symbiosis (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux (MeSH)</term><term>Coléoptères (métabolisme)</term><term>Corps gras (métabolisme)</term><term>Fèces (composition chimique)</term><term>Glucosides (analyse)</term><term>Glucosides (métabolisme)</term><term>Hémolymphe (métabolisme)</term><term>Iridoïdes (métabolisme)</term><term>Isotopes du carbone (métabolisme)</term><term>Larve (métabolisme)</term><term>Populus (MeSH)</term><term>Salix (MeSH)</term><term>Spectrométrie de masse (MeSH)</term><term>Symbiose (MeSH)</term><term>Écosystème (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Glucosides</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon Isotopes</term><term>Glucosides</term><term>Iridoids</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Glucosides</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Feces</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Fèces</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Coleoptera</term><term>Fat Body</term><term>Hemolymph</term><term>Larva</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Coléoptères</term><term>Corps gras</term><term>Glucosides</term><term>Hémolymphe</term><term>Iridoïdes</term><term>Isotopes du carbone</term><term>Larve</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Ecosystem</term><term>Mass Spectrometry</term><term>Populus</term><term>Salix</term><term>Symbiosis</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Populus</term><term>Salix</term><term>Spectrométrie de masse</term><term>Symbiose</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In the larval chrysomelines the de novo synthesis of monoterpenoids (iridoids) is believed to represent the ancestral state in the evolution of chemical defenses. Here we demonstrate that the iridoid producing larvae of Plagiodera versicolora and Phratora laticollis have the potential to sequester precursors from food. In nature, iridoids may even have a dual origin, namely plant-derived and de novo produced. The ability to sequester plant-derived precursors was proved by (i) (13)C-labelling of the terpenoids in the food plant, (ii) by larval feeding on leaves impregnated with analogs and labelled putative precursors for iridoid biosynthesis; and (iii) by injection of the precursors into the hemolymph followed by mass spectroscopic analysis of their distribution in the hemolymph, defensive secretion, and faeces. The experimental findings support a network of transport systems which allows a broader range of glucosides to enter and to leave the hemocoel, while only the appropriate precursor, 8-hydroxygeraniol-8-O-beta-d-glucoside, is channelled to the reservoir and processed to iridoids. The dual system of de novo biosynthesis and sequestration of phytogenic precursors may have favoured the larvae to shift from one host plant to another without losing their defense.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18687400</PMID><DateCompleted><Year>2008</Year><Month>12</Month><Day>10</Day></DateCompleted><DateRevised><Year>2017</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0965-1748</ISSN><JournalIssue CitedMedium="Print"><Volume>38</Volume><Issue>10</Issue><PubDate><Year>2008</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Insect biochemistry and molecular biology</Title><ISOAbbreviation>Insect Biochem Mol Biol</ISOAbbreviation></Journal><ArticleTitle>De novo biosynthesis versus sequestration: a network of transport systems supports in iridoid producing leaf beetle larvae both modes of defense.</ArticleTitle><Pagination><MedlinePgn>895-904</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.ibmb.2008.06.005</ELocationID><Abstract><AbstractText>In the larval chrysomelines the de novo synthesis of monoterpenoids (iridoids) is believed to represent the ancestral state in the evolution of chemical defenses. Here we demonstrate that the iridoid producing larvae of Plagiodera versicolora and Phratora laticollis have the potential to sequester precursors from food. In nature, iridoids may even have a dual origin, namely plant-derived and de novo produced. The ability to sequester plant-derived precursors was proved by (i) (13)C-labelling of the terpenoids in the food plant, (ii) by larval feeding on leaves impregnated with analogs and labelled putative precursors for iridoid biosynthesis; and (iii) by injection of the precursors into the hemolymph followed by mass spectroscopic analysis of their distribution in the hemolymph, defensive secretion, and faeces. The experimental findings support a network of transport systems which allows a broader range of glucosides to enter and to leave the hemocoel, while only the appropriate precursor, 8-hydroxygeraniol-8-O-beta-d-glucoside, is channelled to the reservoir and processed to iridoids. The dual system of de novo biosynthesis and sequestration of phytogenic precursors may have favoured the larvae to shift from one host plant to another without losing their defense.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kunert</LastName><ForeName>Maritta</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Max-Planck-Institute for Chemical Ecology, Department of Bioorganic Chemistry, Jena, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Søe</LastName><ForeName>Astrid</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Bartram</LastName><ForeName>Stefan</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Discher</LastName><ForeName>Sabrina</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Tolzin-Banasch</LastName><ForeName>Karla</ForeName><Initials>K</Initials></Author><Author ValidYN="Y"><LastName>Nie</LastName><ForeName>Lihua</ForeName><Initials>L</Initials></Author><Author ValidYN="Y"><LastName>David</LastName><ForeName>Anja</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Pasteels</LastName><ForeName>Jacques</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Boland</LastName><ForeName>Wilhelm</ForeName><Initials>W</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>2008</Year><Month>07</Month><Day>17</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Insect Biochem Mol Biol</MedlineTA><NlmUniqueID>9207282</NlmUniqueID><ISSNLinking>0965-1748</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D002247">Carbon Isotopes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005960">Glucosides</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D039823">Iridoids</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002247" MajorTopicYN="N">Carbon Isotopes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D001517" MajorTopicYN="N">Coleoptera</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005216" MajorTopicYN="N">Fat Body</DescriptorName><QualifierName 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MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013058" MajorTopicYN="N">Mass Spectrometry</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032108" MajorTopicYN="N">Salix</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="N">Symbiosis</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2008</Year><Month>04</Month><Day>05</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2008</Year><Month>06</Month><Day>23</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2008</Year><Month>06</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>8</Month><Day>9</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>12</Month><Day>17</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>8</Month><Day>9</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">18687400</ArticleId><ArticleId IdType="pii">S0965-1748(08)00124-0</ArticleId><ArticleId IdType="doi">10.1016/j.ibmb.2008.06.005</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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