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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Journal ArticleDOI
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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Vicinal cysteines in the prosequence play a role in von Willebrand factor multimer assembly.
TL;DR: expression of the mutant with an additional glycine in the D1 domain in AtT-20 cells, a mouse pituitary cell line that can store vWf, led to the storage of the resulting dimers, demonstrating that the mutation did not effect the capacity of the propolypeptide to direct vWF storage while its ability to promote interchain disulfide bonding was eliminated.
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The route of entry and localization of blood proteins in the oocytes of saturniid moths.
TL;DR: It is proposed that blood proteins reach the surface of the oocyte by an intercellular route, that they combine with some component of the brush border, and that they are transformed into yolk spheres by a process akin to pinocytosis.
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Extensive Sequence Conservation Among Insect, Nematode, and Vertebrate Vitellogenins Reveals Ancient Common Ancestry
TL;DR: It is demonstrated that insect Vgs sequences can be confidently aligned with one another along their entire lengths and with multiple vertebrate and nematode Vg sequences along most of their spans, establishing conclusively that Vgs from the three phyla are homologous.
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Recent advances in arthropod endocrinology
TL;DR: This work presents new perspectives on the structures, assays and actions of locust adipokinetic hormones, and examines the role of the neuropeptide CCAP in the tobacco hornworm, Manduca sexta and related peptides in insects.
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The vitellogenin of the honey bee, Apis mellifera: structural analysis of the cDNA and expression studies.
Maria-Dolors Piulachs,Karina R. Guidugli,Angel Roberto Barchuk,Josefa Cruz,Zilá Luz Paulino Simões,Xavier Bellés +5 more
TL;DR: Phylogenetic analysis of vitellogenin sequences available in insects gave a tree that is congruent with the currently accepted insect phylogenetic schemes.