Journal ArticleDOI
Molecular characteristics of insect vitellogenins
Muhammad Tufail,Makio Takeda +1 more
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TLDR
Phylogenetic analysis using 31 Vg sequences from 25 insect species reflects, in general, the current phylogenies of insects, suggesting that Vgs are still phylogenetically bound, although a divergence exists among them.About:
This article is published in Journal of Insect Physiology.The article was published on 2008-12-01. It has received 375 citations till now. The article focuses on the topics: Sequence motif & Vitellogenins.read more
Citations
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Vitellogenin knockdown strongly affects cotton boll weevil egg viability but not the number of eggs laid by females.
Roberta Ramos Coelho,Roberta Ramos Coelho,José Dijair Antonino de Souza Júnior,Alexandre Augusto Pereira Firmino,Alexandre Augusto Pereira Firmino,Leonardo Lima Pepino de Macedo,Leonardo Lima Pepino de Macedo,Fernando Campos de Assis Fonseca,Fernando Campos de Assis Fonseca,Walter R. Terra,Gilbert Engler,Gilbert Engler,Janice de Almeida Engler,Janice de Almeida Engler,Maria Cristina Mattar da Silva,Maria Fatima Grossi-de-Sa,Maria Fatima Grossi-de-Sa +16 more
TL;DR: It is concluded that the Vg protein is essential for A. grandis reproduction and a good candidate to bio-engineer the resistance against this devastating cotton pest.
Journal ArticleDOI
Olive fly transcriptomics analysis implicates energy metabolism genes in spinosad resistance
Efthimia Sagri,Martin Reczko,Maria-Eleni Gregoriou,Konstantina T. Tsoumani,Nikolaos E Zygouridis,Klelia D Salpea,Frank G. Zalom,Jiannis Ragoussis,Kostas D. Mathiopoulos +8 more
TL;DR: The transcriptome comparison between the two strains indicated that several immune system loci as well as elevated energy requirements of the resistant flies might be necessary to lever the detoxification process in spinosad resistance.
Journal ArticleDOI
Vitellogenin and vitellogenin-like gene expression patterns in relation to caste and task in the ant Formica fusca
Claire Morandin,Claire Morandin,A. Hietala,Heikki Helanterä,Heikki Helanterä,Heikki Helanterä +5 more
TL;DR: The observed expression biases suggest that in Formica fusca, the ancestral duplication has led to alternative social functions for Vg-like genes across castes and tasks, and this could have implications for the role of gene duplications in social evolution.
Journal ArticleDOI
Ecdysone-Related Biomarkers of Toxicity in the Model Organism Chironomus riparius: Stage and Sex-Dependent Variations in Gene Expression Profiles
TL;DR: This work characterized the expression patterns of important genes involved in the ecdysone pathway from embryos to pupa, but specially during the different phases of C. riparius fourth larval instar, suggesting the moment where larvae prepare for pupation.
Journal ArticleDOI
Vitellogenin and Vitellogenin-Like Genes in the Brown Planthopper
TL;DR: The results illustrate the structural and functional differences among the Vg and Vg-like genes and provide potential targets for RNA-interference-based insect pest management strategies.
References
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Book
Comprehensive insect physiology, biochemistry, and pharmacology
G. A. Kerkut,L. I. Gilbert +1 more
Book
comprehensive molecular insect science
TL;DR: Includes: Molecular Genetics of Insect Fertilization Sex Determination and the Development of the Genital Disc Dosage Compensation Fat-Cell Development The Juvenile Hormones.
Journal ArticleDOI
Mammalian subtilisins: The long-sought dibasic processing endoproteases
TL;DR: After many years of searching for the enzymes responsible for cleavage of mammalian proproteins and prohormones at sites comprised of pairs of basic amino acid residues (“dibasic sites”), the solution to this enigma of cell biology appears to be in sight.
Journal ArticleDOI
Accumulation of yolk proteins in insect oocytes
TL;DR: In insects, accumulation of yolk, or vitellogenesis, is a heterosynthetic pro cess, in which an extraovarian tissue, the fat body, produces yolk protein precursors, and the role of endocytosis in yolk deposition in insect oocytes is implicated.