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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Isolation and characterization of two vitellins from eggs of the spider Polybetes pythagoricus (Araneae: Sparassidae)
TL;DR: Two vitellins from the spider Polybetes pythagoricus, named LV1 and LV2, were isolated and their size, shape, lipids, fatty acids, proteins and carbohydrates moieties were determined, showing that these LVs were not related to hemolymphatic lipoproteins.
Journal ArticleDOI
Vitellogenin expression corresponds with reproductive status and caste in a primitively eusocial bee.
TL;DR: Investigation of the relationship between vg expression, castes, and variation in phenotypes associated with castes differences in primitively eusocial sweat bees showed that females with high ovarian development had the highest levels of vG expression, and that v g expression levels reflected the reproductive status of females first and caste second.
Journal ArticleDOI
Sublethal effects of bistrifluron on key biological traits, macronutrients contents and vitellogenin (SeVg) expression in Spodoptera exigua (Hübner).
Muhammad Hafeez,Li Xiaowei,Hafiz Kamran Yousaf,Muhammad Musa Khan,Muhammad Imran,Zhijun Zhang,Huang Jun,Jinming Zhang,Sakhawat Shah,Wang Likun,G. Mandela Fernández-Grandon,Sajjad Ali,Yaobin Lu +12 more
TL;DR: In this paper, the effects of bistrifluron on biological traits and vitellogenin gene (SeVg) expression when 2nd instar larvae were fed to sub-lethal concentrations (LC10, LC20 and LC40) of Bistrinuron were evaluated.
Journal Article
Identification and expression analysis of vitellogenin from silk-producing insect, Actias selene Hubner
TL;DR: The semi-quantitative PCR was carried out to explore the specific expression of Ash-Vg and the results showed that the Ash- Vg gene expressed differently in various developmental stages and tissues.
Journal ArticleDOI
Yolkin- A Polypeptide Complex Isolated From Chicken Egg Yolk with Potential Neuroprotective and Antioxidative Activity
TL;DR: Egg yolk proteins are a rich source of nutrients for developing embryos, and among them is vitellogenin, formerly regarded as a female-specific protein, and recently also found in males.
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.