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
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Molecular traces of alternative social organization in a termite genome
Nicolas Terrapon,Nicolas Terrapon,Cai Li,Hugh M. Robertson,Lu Ji,Xuehong Meng,Warren Booth,Warren Booth,Zhensheng Chen,Christopher P. Childers,Karl M. Glastad,Kaustubh Gokhale,Johannes Gowin,Johannes Gowin,Wulfila Gronenberg,Russell A. Hermansen,Haofu Hu,Brendan G. Hunt,Ann Kathrin Huylmans,Ann Kathrin Huylmans,Sayed M.S. Khalil,Robert D. Mitchell,Monica Munoz-Torres,Julie A. Mustard,Hailin Pan,Justin T. Reese,Michael E. Scharf,Fengming Sun,Heiko Vogel,Jin Xiao,Wei Yang,Zhikai Yang,Zuoquan Yang,Jiajian Zhou,Jiwei Zhu,Colin S. Brent,Christine G. Elsik,Michael A. D. Goodisman,David A. Liberles,R. Michael Roe,Edward L. Vargo,Andreas Vilcinskas,Jun Wang,Erich Bornberg-Bauer,Judith Korb,Guojie Zhang,Juergen Liebig +46 more
TL;DR: The genome and stage-specific transcriptomes of the dampwood termite Zootermopsis nevadensis (Blattodea) are sequence and similarities in the number and expression of genes related to caste determination mechanisms support a hypothesized epigenetic regulation of caste differentiation.
Journal ArticleDOI
Predictive markers of honey bee colony collapse
TL;DR: The data show that DWV, Nosema ceranae, Varroa destructor and Vitellogenin can be predictive markers for winter colony losses, but their predictive power strongly depends on the season.
Journal ArticleDOI
Insect vitellogenin/lipophorin receptors: molecular structures, role in oogenesis, and regulatory mechanisms.
Muhammad Tufail,Makio Takeda +1 more
TL;DR: The expression studies clearly demonstrate that insect VgRs are ovary-bound receptors of the LDLR family as compared to LpRs, which are transcribed in a wide range of tissues including ovary, fat body, midgut, brain, testis, Malpighian tubules, and muscles.
Journal ArticleDOI
Transfer of Immunity from Mother to Offspring Is Mediated via Egg-Yolk Protein Vitellogenin.
TL;DR: A molecular explanation for trans-generational immunity in insects and a previously undescribed role for vitellogenin are revealed, which is distributed widely in oviparous species, as the carrier of immune-priming signals.
Journal ArticleDOI
Juvenile hormone regulation of vitellogenin synthesis in the red flour beetle, Tribolium castaneum.
TL;DR: RNA interference (RNAi)-aided knock-down in the expression of these genes showed that both JH and 20E were required for Vg gene expression, suggesting that JH is required for vitellogenin synthesis in the fat body and20E influences Vg synthesis through its action on oocyte maturation.
References
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Journal ArticleDOI
Differential vitellin polypeptide processing in insect embryos
TL;DR: The evidence that demonstrates the occurrence of Vt polypeptide processing and how it may be affected by maternally derived proteases stored in the yolk granules and by the ubiquitin–proteasome system in the cytosol is described.
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Vitellogenin synthesis and the analysis of juvenile hormone action in locust fat body
TL;DR: Juvenile-hormone-dependent synthesis of vitellogenin in the fat body of migratory locusts is being studied for insight into subcellular modes of action of juvenile hormone (JH).
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Dephosphorylation of chicken riboflavin-binding protein and phosvitin decreases their uptake by oocytes.
TL;DR: Although partially desialylated, dephospho-yolk RBP was identical with the native protein by several criteria, including riboflavin-binding capacity, mobility on SDS-polyacrylamide gels, and circular dichroism.
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Cloning of vitellogenin cDNA of the American cockroach, Periplaneta americana (Dictyoptera), and its structural and expression analyses
TL;DR: Western blot analysis of major yolk polypeptides in nine cockroach species belonging to the two superfamilies, Blattoidea and Blaberoidea, showed that the similarities in Vn antigenicity are basically limited to within a superfamily.
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Molecular evidence for two vitellogenin genes and processing of vitellogenins in the American cockroach, Periplaneta americana.
TL;DR: The chemically determined N-terminal amino acid sequences of the 150-kD and of the 50-KD polypeptides matched exactly with each other and with the deduced N- terminus amino acid sequence of the Vg2 cDNA.