当前位置： SCI文献检索 > INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY期刊下所有文献 > Male jeffrey pine beetle, Dendroctonus jeffreyi, synthesizes the pheromone component frontalin in anterior midgut tissue.

Male jeffrey pine beetle, Dendroctonus jeffreyi, synthesizes the pheromone component frontalin in anterior midgut tissue.

Abstract：

:The male Jeffrey pine beetle, Dendroctonus jeffreyi Hopkins (Coleoptera: Scolytidae), produces the bicyclic ketal frontalin as part of a complex semiochemical blend. A key regulated enzyme in the mevalonate pathway, 3-hydroxy-3-methylglutaryl-CoA reductase (HMG-R), showed high transcript levels in the anterior midgut of male Jeffrey pine beetles by in situ hybridization. HMG-R expression in this area of the alimentary canal was related to male emergence, where emerged males demonstrated significant up-regulation of HMG-R transcript and pre-emerged males showed only basal levels. Pre-emerged males were induced to express high levels of HMG-R transcript by treatment with juvenile hormone (JH) III. Additionally, isolated anterior midgut tissue from JH III-treated males converted radiolabeled acetate to frontalin, as assayed by radio-HPLC, providing strong evidence that this is the site of frontalin production in male beetles.

journal_name

Insect Biochem Mol Biol

journal_title

Insect biochemistry and molecular biology

authors

Hall GM,Tittiger C,Blomquist GJ,Andrews GL,Mastick GS,Barkawi LS,Bengoa C,Seybold SJ

doi

10.1016/s0965-1748(02)00073-5

subject

Has Abstract

pub_date

2002-11-01 00:00:00

pages

1525-32

issue

11

eissn

0965-1748

issn

1879-0240

pii

S0965174802000735

journal_volume

32

pub_type

杂志文章

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