Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/20119
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dc.contributor.authorJurenka, Russell A.-
dc.contributor.authorSubchev, Mitko-
dc.contributor.authorAbad, José Luis-
dc.contributor.authorChoi, Man-Yeon-
dc.contributor.authorFabriàs, Gemma-
dc.date.accessioned2010-01-18T09:00:53Z-
dc.date.available2010-01-18T09:00:53Z-
dc.date.issued2003-01-17-
dc.identifier.citationProceedings of the National Academy of Sciences of the USA 100(3): 809-814 (2003)en_US
dc.identifier.issn0027-8424-
dc.identifier.urihttp://hdl.handle.net/10261/20119-
dc.description6 pages, 7 figures.-- PMID: 12533665 [PubMed].-- PMCID: PMC298683.-- Printed version published Feb 4, 2003.-- Full text version available at: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC298683/?tool=pubmeden_US
dc.description.abstractThe pheromone biosynthetic pathway for production of the sex pheromone disparlure, 2-methyl-7R,8S-epoxy-octadecane, was determined for the gypsy moth. Each step in the pathway was followed by using deuterium-labeled compounds that could be identified by using GC/MS. This approach provides unequivocal determination of specific reactions in the pathway. It was shown that the alkene precursor, 2-methyl-Z7-octadecene, is most likely made in oenocyte cells associated with abdominal epidermal cells. The pathway begins with valine contributing carbons for chain initiation, including the methyl-branched carbon, followed by chain elongation to 19 carbons. The double bond is introduced with an unusual Δ12 desaturase that utilizes a methyl-branched substrate. The resulting 18-methyl-Z12-nonadecenoate is decarboxylated to the hydrocarbon, 2-methyl-Z7-octadecene. The alkene is then transported to the pheromone gland through the hemolymph, most probably by lipophorin. At the pheromone gland, the alkene is unloaded and transformed into the epoxide disparlure for release into the environment. A chiral HPLC column was used to demonstrate that the (R,S)-stereoisomer of the epoxide, (+)-disparlure is found in pheromone glands.en_US
dc.description.sponsorshipThis work was supported by grants from the U.S. Department of Agriculture–National Research Initiative (2001-35302-10882) and the U.S.–Spain Joint Commission on Scientific and Technological Cooperation, and by Hatch Act and State of Iowa funds.en_US
dc.format.extent22195 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherNational Academy of Sciences (U.S.)en_US
dc.rightsopenAccessen_US
dc.subjectSex pheromoneen_US
dc.subjectFemale mothsen_US
dc.subjectBiosynthetic pathwayen_US
dc.subjectLymantria disparen_US
dc.titleSex pheromone biosynthetic pathway for disparlure in the gypsy moth, Lymantria disparen_US
dc.typeartículoen_US
dc.identifier.doi10.1073/pnas.0236060100-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1073/pnas.0236060100en_US
dc.identifier.e-issn1091-6490-
dc.identifier.pmid12533665-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairetypeartículo-
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