Insect Molecular Biology

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Halloween genes and nuclear receptors in ecdysteroid biosynthesis and signalling in the pea aphid
Insect Molecular Biology - Tập 19 Số s2 - Trang 187-200 - 2010
Olivier Christiaens, Masatoshi Iga, R. A. Velarde, Pierre Rougé, Guy Smagghe
AbstractThe pea aphid (Acyrthosiphon pisum) is the first whole genome sequenced insect with a hemimetabolic development and an emerging model organism for studies in ecology, evolution and development. The insect steroid moulting hormone 20‐hydroxyecdysone (20E) controls and coordinates development in insects, especially the moulting/metamorphosis process. We, therefore present here a comprehensiv... hiện toàn bộ
Evidence for genetic differentiation between the molecular forms M and S within the Forest chromosomal form of Anopheles gambiae in an area of sympatry
Insect Molecular Biology - Tập 11 Số 1 - Trang 11-19 - 2002
Charles S. Wondji, Frédéric Simard, Didier Fontenille
AbstractWe studied genetic variation at ten microsatellite DNA loci in Anopheles gambiae populations from the Forest chromosomal form collected in four villages in Cameroon (Central Africa). Both recently described M and S molecular forms occur in sympatry in this area. Geographic differentiation within form was low (Fst < 0.017) despite geographical distance between collection sites ranging from ... hiện toàn bộ
The pyrethroid knock‐down resistance gene in the Anopheles gambiae complex in Mali and further indication of incipient speciation within An. gambiae s.s.
Insect Molecular Biology - Tập 12 Số 3 - Trang 241-245 - 2003
Caterina Fanello, Vincenzo Petrarca, Alessandra della Torre, Federica Santolamazza, Guimogo Dolo, Mamadou B. Coulibaly, Ali Alloueche, C. F. Curtis, Penelope Vounatsou, M Coluzzi
AbstractIn Mali the Anopheles gambiae complex consists of An. arabiensis and Mopti, Savanna and Bamako chromosomal forms of An. gambiae s.s. Previous chromosomal data suggests a complete reproductive isolation among these forms. Sequence analysis of rDNA regions led to the characterization of two molecular forms of An. gambiae, named M‐form and S‐form, which in Mali correspond to Mopti and to Sava... hiện toàn bộ
Anatomical ontologies of mosquitoes and ticks, and their web browsers in VectorBase
Insect Molecular Biology - Tập 17 Số 1 - Trang 87-89 - 2008
Pantelis Topalis, C. Tzavlaki, K. Vestaki, Emmanuel Dialynas, Daniel E. Sonenshine, R. Butler, Robert V. Bruggner, E. O. Stinson, Frank H. Collins, Christos Louis
AbstractVectorBase, an integrated, relational database that manages genomic and other genetic/biological data pertaining to arthropod vectors of disease, has recently embarked on the construction of ontologies and controlled vocabularies (CVs). It aims, thus, at providing all necessary tools for the complete annotation of vector genomes and, in particular, the annotation of functional genomic data... hiện toàn bộ
Abundant nuclear copies of mitochondrial origin (NUMTs) in the Aedes aegypti genome
Insect Molecular Biology - Tập 18 Số 6 - Trang 705-713 - 2009
William C. Black, Scott A. Bernhardt
AbstractA portion of the Aedes aegypti mitochondrial NADH dehydrogenase subunit 4 gene (ND4) was amplified using PCR with a 42 °C annealing temperature. Amplified fragments from individual mosquitoes were similar to ND4 but contained multiple segregating sites. We suspected that nuclear copies of mitochondrial origin (NUMTs) exist in the Ae. aegypti genome. A BlastN search in VectorBase with the e... hiện toàn bộ
Drosophila melanogaster mitochondrial DNA: hoàn thành chuỗi nucleotide và so sánh tiến hóa Dịch bởi AI
Insect Molecular Biology - Tập 4 Số 4 - Trang 263-278 - 1995
Olivia Lewis, Carol L. Farr, Laurie S. Kaguni
AbstractChuỗi nucleotide của các vùng xung quanh vùng A + T của Drosophila melanogaster DNA ti thể (mtDNA) đã được xác định. Bao gồm các gen mã hóa cho các RNA vận chuyển cho valine, isoleucine, glutamine và methionine, RNA ribosome nhỏ và các trình tự mã hóa 5' của RNA ribosome lớn và tiểu đơn vị NADH dehydrogenase II. Điều này hoàn thành chuỗi nucleotide của bộ gen ti thể D. melanogaster. mtDNA ... hiện toàn bộ
Amblyomma americanum tick saliva serine protease inhibitor 6 is a cross‐class inhibitor of serine proteases and papain‐like cysteine proteases that delays plasma clotting and inhibits platelet aggregation
Insect Molecular Biology - Tập 22 Số 3 - Trang 306-319 - 2013
Albert Mulenga, T. Kim, A. M. G. Ibelli
AbstractWe previously demonstrated that Amblyomma americanum tick serine protease inhibitor 6 (AamS6) was secreted into the host during tick feeding and that both its mRNA and protein were ubiquitously and highly expressed during the first 3 days of tick feeding. This study demonstrates that AamS6 is a cross‐class inhibitor of both serine‐ and papain‐like cysteine proteases that has apparent antih... hiện toàn bộ
Hepatopancreatic multi‐transcript expression patterns in the crayfish Cherax quadricarinatus during the moult cycle
Insect Molecular Biology - Tập 16 Số 6 - Trang 661-674 - 2007
Yana Yudkovski, Assaf Shechter, Vered Chalifa‐Caspi, Meirav Auslander, Ron Ophir, Chantal Dauphin‐Villemant, Robert Robbins, Amir Sagi, Moshe Tom
AbstractAlterations of hepatopancreatic multi‐transcript expression patterns, related to induced moult cycle, were identified in male Cherax quadricarinatus through cDNA microarray hybridizations of hepatopancreatic transcript populations. Moult was induced by X–organ sinus gland extirpation or by repeated injections of 20‐hydroxyecdysone. Manipulated males were sacrificed at premoult or early pos... hiện toàn bộ
PCR‐based detection of Wolbachia, cytoplasmic incompatibility microorganisms, infected in natural populations of Laodelphax striatellus (Homoptera: Delphacidae) in central Japan: has the distribution of Wolbachia spread recently?
Insect Molecular Biology - Tập 4 Số 4 - Trang 237-243 - 1995
Sugihiko Hoshizaki, Toru Shimada
AbstractCytoplasmic incompatibility is caused in various insects by intracellular infection with rickettsia‐like microorganisms of the genus Wolbachia. In Japan Laodelphax striatellus shows unidirectional cytoplasmic incompatibility between northeastern and southwestern populations. In this study, nine natural populations of L. striatellus collected from central Japan, including the geographic bou... hiện toàn bộ
Distribution and prevalence ofWolbachiain Japanese populations of Lepidoptera
Insect Molecular Biology - Tập 13 Số 4 - Trang 359-364 - 2004
Yohsuke Tagami, Kazuki Miura
AbstractWolbachiaare cytoplasmically inherited bacteria that are reported to infect at least 18–30% of all insect species. Our survey of Lepidoptera indicated that 44.9% of forty‐nine species and 77.8% of nine families tested positive forWolbachiausing PCR withwspprimers. Nineteen species had not been described previously as infected. In particular, althoughPieris rapae, which is a common species ... hiện toàn bộ
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