Molecular characteristics of insect vitellogenins

doi:10.1016/J.JINSPHYS.2008.08.007

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Molecular characteristics of insect vitellogenins

Journal Article•DOI•

Molecular characteristics of insect vitellogenins

Muhammad Tufail¹, Makio Takeda¹•Institutions (1)

Kobe University¹

01 Dec 2008-Journal of Insect Physiology (J Insect Physiol)-Vol. 54, Iss: 12, pp 1447-1458

TL;DR: 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.

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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.

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Journal Article•DOI•

Molecular traces of alternative social organization in a termite genome

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Nicolas Terrapon¹, Nicolas Terrapon², Cai Li³, Hugh M. Robertson⁴, Lu Ji, Xuehong Meng, Warren Booth⁵, Warren Booth⁶, Zhensheng Chen, Christopher P. Childers⁷, Karl M. Glastad⁸, Kaustubh Gokhale⁹, Johannes Gowin¹⁰, Johannes Gowin¹¹, Wulfila Gronenberg¹², Russell A. Hermansen¹³, Haofu Hu, Brendan G. Hunt⁸, Ann Kathrin Huylmans¹⁴, Ann Kathrin Huylmans¹, Sayed M.S. Khalil⁵, Robert D. Mitchell⁵, Monica Munoz-Torres¹⁵, Julie A. Mustard⁹, Hailin Pan, Justin T. Reese⁷, Michael E. Scharf¹⁶, Fengming Sun, Heiko Vogel¹⁷, Jin Xiao, Wei Yang, Zhikai Yang, Zuoquan Yang, Jiajian Zhou, Jiwei Zhu⁵, Colin S. Brent¹⁸, Christine G. Elsik⁷, Michael A. D. Goodisman⁸, David A. Liberles¹³, R. Michael Roe⁵, Edward L. Vargo⁵, Andreas Vilcinskas¹⁹, Jun Wang²⁰, Erich Bornberg-Bauer¹, Judith Korb¹¹, Guojie Zhang³, Juergen Liebig⁹ - Show less +43 more•Institutions (20)

University of Münster¹, Aix-Marseille University², University of Copenhagen³, University of Illinois at Urbana–Champaign⁴, North Carolina State University⁵, University of Tulsa⁶, University of Missouri⁷, Georgia Institute of Technology⁸, Arizona State University⁹, University of Freiburg¹⁰, University of Osnabrück¹¹, University of Arizona¹², University of Wyoming¹³, Ludwig Maximilian University of Munich¹⁴, Lawrence Berkeley National Laboratory¹⁵, Purdue University¹⁶, Max Planck Society¹⁷, United States Department of Agriculture¹⁸, University of Giessen¹⁹, Macau University of Science and Technology²⁰

20 May 2014-Nature Communications

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.

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Abstract: Although eusociality evolved independently within several orders of insects, research into the molecular underpinnings of the transition towards social complexity has been confined primarily to Hymenoptera (for example, ants and bees). Here we sequence the genome and stage-specific transcriptomes of the dampwood termite Zootermopsis nevadensis (Blattodea) and compare them with similar data for eusocial Hymenoptera, to better identify commonalities and differences in achieving this significant transition. We show an expansion of genes related to male fertility, with upregulated gene expression in male reproductive individuals reflecting the profound differences in mating biology relative to the Hymenoptera. For several chemoreceptor families, we show divergent numbers of genes, which may correspond to the more claustral lifestyle of these termites. We also show similarities in the number and expression of genes related to caste determination mechanisms. Finally, patterns of DNA methylation and alternative splicing support a hypothesized epigenetic regulation of caste differentiation.

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324 citations

Journal Article•DOI•

Predictive markers of honey bee colony collapse

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Benjamin Dainat, Jay D. Evans¹, Yanping Chen¹, Laurent Gauthier, Peter J. Neumann² - Show less +1 more•Institutions (2)

United States Department of Agriculture¹, Rhodes University²

23 Feb 2012-PLOS ONE

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.

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Abstract: Across the Northern hemisphere, managed honey bee colonies, Apis mellifera, are currently affected by abrupt depopulation during winter and many factors are suspected to be involved, either alone or in combination. Parasites and pathogens are considered as principal actors, in particular the ectoparasitic mite Varroa destructor, associated viruses and the microsporidian Nosema ceranae. Here we used long term monitoring of colonies and screening for eleven disease agents and genes involved in bee immunity and physiology to identify predictive markers of honeybee colony losses during winter. 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. In particular, the data support that V. destructor is a key player for losses, arguably in line with its specific impact on the health of individual bees and colonies.

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314 citations

Cites background from "Molecular characteristics of insect..."

...In particular, the fat body is the site for production of the egg yolk protein vitellogenin [34,56]....
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Journal Article•DOI•

Insect vitellogenin/lipophorin receptors: molecular structures, role in oogenesis, and regulatory mechanisms.

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Muhammad Tufail¹, Makio Takeda¹•Institutions (1)

Kobe University¹

01 Feb 2009-Journal of Insect Physiology

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.

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206 citations

Journal Article•DOI•

Transfer of Immunity from Mother to Offspring Is Mediated via Egg-Yolk Protein Vitellogenin.

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Heli Salmela¹, Gro V. Amdam², Dalial Freitak¹•Institutions (2)

University of Jyväskylä¹, Norwegian University of Life Sciences²

31 Jul 2015-PLOS Pathogens

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.

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Abstract: Insect immune systems can recognize specific pathogens and prime offspring immunity. High specificity of immune priming can be achieved when insect females transfer immune elicitors into developing oocytes. The molecular mechanism behind this transfer has been a mystery. Here, we establish that the egg-yolk protein vitellogenin is the carrier of immune elicitors. Using the honey bee, Apis mellifera, model system, we demonstrate with microscopy and western blotting that vitellogenin binds to bacteria, both Paenibacillus larvae – the gram-positive bacterium causing American foulbrood disease – and to Escherichia coli that represents gram-negative bacteria. Next, we verify that vitellogenin binds to pathogen-associated molecular patterns; lipopolysaccharide, peptidoglycan and zymosan, using surface plasmon resonance. We document that vitellogenin is required for transport of cell-wall pieces of E. coli into eggs by imaging tissue sections. These experiments identify vitellogenin, which is distributed widely in oviparous species, as the carrier of immune-priming signals. This work reveals a molecular explanation for trans-generational immunity in insects and a previously undescribed role for vitellogenin.

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188 citations

Cites background from "Molecular characteristics of insect..."

...The gene (vitellogenin) experiences rapid evolution in the honey bee [22], it is present in different copy numbers in different insect species [23], and has several homologous genes in some insects [24]....
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Journal Article•DOI•

Juvenile hormone regulation of vitellogenin synthesis in the red flour beetle, Tribolium castaneum.

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R. Parthasarathy¹, Zhiyuan Sun¹, Hua Bai¹, Subba Reddy Palli¹•Institutions (1)

University of Kentucky¹

01 May 2010-Insect Biochemistry and Molecular Biology

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.

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150 citations

Cites background from "Molecular characteristics of insect..."

...Molecular characterization of insect vitellogenins showed the presence of hormone response elements (HRE) in the Vg promoter regions of insects (Raikhel et al. 2005, Locke et al. 1987; Wyatt, 1988; Tufail and Takeda, 2008)....
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References

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Book•

Comprehensive insect physiology, biochemistry, and pharmacology

[...]

G. A. Kerkut, L. I. Gilbert

01 Jan 1985

4,862 citations

Book•

comprehensive molecular insect science

[...]

Lawrence I. Gilbert, Kostas Iatrou, Sarjeet S. Gill

01 Jan 2005

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.

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Abstract: Includes: Molecular Genetics of Insect Fertilization Sex Determination and the Development of the Genital Disc Dosage Compensation Fat-Cell Development The Juvenile Hormones Biochemistry and Molecular Biology of Pheromone Production Biochemistry of Digestion Insect Transposable Elements Amino Acid and Neurotransmitter Transporters Insect Growth-and Development-Disrupting Insecticides Azadirachtin, a Natural Product in Insect Control Genetically Modified Baculoviruses for Pest Insect Control Pheromones - Function and Use in Insect Control Scorpion Venoms Insect Transformation for Use in Control Spider Toxins and their Potential for Insect Control

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1,224 citations

Journal Article•DOI•

Mammalian subtilisins: The long-sought dibasic processing endoproteases

[...]

Philip J. Barr¹•Institutions (1)

Chiron Corporation¹

12 Jul 1991-Cell

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.

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754 citations

"Molecular characteristics of insect..." refers background in this paper

...In all insects (except Apocrita), the primary Vg gene product is cleaved at a consensus cleavage site, R/K)XX(R/K, by subtilisin-like endoproteases (Barr, 1991; Rouille et al., 1995)....
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Journal Article•DOI•

Accumulation of yolk proteins in insect oocytes

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Alexander S. Raikhel¹, Tarlochan S. Dhadialla•Institutions (1)

Michigan State University¹

01 Jan 1992-Annual Review of Entomology

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.

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Abstract: In insects, accumulation of yolk, or vitellogenesis, is a heterosynthetic pro cess, in which an extraovarian tissue, the fat body, produces yolk protein precursors ( 1 , 92). Heterosynthetic vitellogenesis occurs even in the most primitive insects, the Apterygota (9, 10, 1 13). Only for two apterygote insects have ultrastructural observations indicated participation of autosynthesis in vitellogensis (9, 10) . This claim, however, requires confirmation by biochem ical or immunochemical means . Because of the heterosynthetic nature of vitellogenesis in insects, their oocytes are highly specialized for the specific accumulation of extraovarian yolk protein precursors . Telfer first implicated the role of endocytosis in yolk deposition in insect oocytes . He found selective concentration of some hemolymph-borne proteins in yolk bodies of Hyalophora cecropia oocytes ( 1 29, 1 3 1 ) . Coated vesicles, the cellular structures associated with selective endocytosis, were first observed in oocytes of the mosquito Aedes aegypti ( 1 1 2) . These pioneering studies were followed by numerous electron micro scopical and tracer investigations that supported earlier data on the in ternalization pathway of extraovarian proteins in follicles and on the role of coated vesicles in yolk deposition in insect oocytes (reviewed in 1 33) .

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653 citations

"Molecular characteristics of insect..." refers background or methods in this paper

...The uptake of Vg is achieved by membranebound receptors (VgRs) through receptor-mediated endocytosis (see reviews Raikhel and Dhadialla, 1992; Sappington and Raikhel, 1998; Snigirevskaya and Raikhel, 2005)....
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...Although several types of YP precursors are taken up by insect oocytes (see reviews Raikhel and Dhadialla, 1992, Izumi et al., 1994; Rajaratnam, 1996; Sappington and Raikhel, 1998), Vg, with few exceptions, is by far the most abundant in all insect species....
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...…(Vg) is synthesized extra-ovarially by the fat body in tissue-, sex-, and stage-specific manners, secreted into the hemolymph and then sequestered by competent oocytes via receptor-mediated endocytosis (Raikhel and Dhadialla, 1992; Sappington and Raikhel, 1998; Snigirevskaya and Raikhel, 2005)....
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...…are cleaved proteolytically and co- and post-translationally modified to facilitate the transport of carbohydrates, lipids, and other nutrients to the ovaries (see reviews Raikhel and Dhadialla, 1992; Hagedorn et al., 1998; Giorgi et al., 1999; Sappington et al., 2002; Tufail et al., 2005)....
[...]
...007 vitellogenin (Vg) is synthesized extra-ovarially by the fat body in tissue-, sex-, and stage-specific manners, secreted into the hemolymph and then sequestered by competent oocytes via receptor-mediated endocytosis (Raikhel and Dhadialla, 1992; Sappington and Raikhel, 1998; Snigirevskaya and Raikhel, 2005)....
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