Current opinion in insect science
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4.17
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Published on Apr 1, 2019in Current opinion in insect science 4.17
Lucie S. Monticelli2
Estimated H-index: 2
(Centre national de la recherche scientifique),
Yannick Outreman20
Estimated H-index: 20
(University of Rennes)
+ 1 AuthorsNicolas Desneux37
Estimated H-index: 37
(Centre national de la recherche scientifique)
In insects, bacterial endosymbionts are known to influence the ecology of their hosts by modifying interactions with natural enemies such as parasitoids. Symbionts can modulate both parasitoid behavioral and/or physiological traits as well as host behaviors and life-history traits. Together these suggest that endosymbionts may impact the host range of parasitoids. For example, endosymbionts may narrow parasitoid host range through first, reducing parasitoid ability to locate hosts and/or larval ...
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Published on Feb 1, 2019in Current opinion in insect science 4.17
Sara Guirao-Rico6
Estimated H-index: 6
(Pompeu Fabra University),
Josefa González22
Estimated H-index: 22
(Pompeu Fabra University)
Drosophila melanogaster has long been used as an evolutionary model system. Its small genome size, well-annotated genome, and ease of sampling, also makes it a choice species for genome resequencing studies. Hundreds of genomic samples from populations worldwide are available and are currently being used to tackle a wide range of evolutionary questions. In this review, we focused on three insights that have increased our understanding of the evolutionary history of this species, and that have im...
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Published on Feb 1, 2019in Current opinion in insect science 4.17
Timothy B. Sackton21
Estimated H-index: 21
(Harvard University)
Classical evolutionary studies of protein-coding genes have established that genes in the canonical immune system are often among the most rapidly evolving within and between species. As more genomes and transcriptomes across insects are sequenced, it is becoming clear that duplications and losses of immune genes are also a likely consequence of host–pathogen interactions. Furthermore, particular species respond to diverse pathogenic challenges with a wide range of challenge-specific responses t...
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Published on Feb 1, 2019in Current opinion in insect science 4.17
Christen Kerry Mirth15
Estimated H-index: 15
(Monash University),
André Nogueira Alves (Monash University), Matthew D. W. Piper30
Estimated H-index: 30
(Monash University)
Nutrition plays a central role in fecundity, regulating the onset of reproductive maturity, egg production, and the survival and health of offspring from insects to humans. Although decades of research have worked to uncover how nutrition mediates these effects, it has proven difficult to disentangle the relative role of nutrients as the raw material for egg and offspring development versus their role in stimulating endocrine cascades necessary to drive development. This has been further complic...
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Published on Apr 1, 2019in Current opinion in insect science 4.17
Nina Hafer1
Estimated H-index: 1
(Swiss Federal Institute of Aquatic Science and Technology),
Christoph Vorburger24
Estimated H-index: 24
(ETH Zurich)
Insects commonly possess heritable microbial symbionts that increase their resistance to particular parasites. A diverse community of defensive symbionts may thus provide hosts with effective and specific protection against multiple parasites, although costs might constrain the accumulation of many symbionts. In parallel to the allelic diversity in the MHC complex of the vertebrate immune system, parasite diversity could be the driving force behind symbiont diversity. There is indeed evidence th...
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Published on Feb 1, 2019in Current opinion in insect science 4.17
Kathleen A. Dogantzis1
Estimated H-index: 1
(York University),
Amro Zayed20
Estimated H-index: 20
(York University)
The increase in the availability of individual Apis mellifera genomes has resulted in significant progress toward understanding the evolution and adaptation of the honey bee. These efforts have identified new subspecies, evolutionary lineages, and a significant number of genes involved with adaptations and colony-level quantitative traits. Many studies have also developed genetic assays that are being used to monitor the movement and admixture of honey bee populations. These resources are valuab...
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Published on Feb 1, 2019in Current opinion in insect science 4.17
Yuto Yoshinari2
Estimated H-index: 2
(University of Tsukuba),
Yoshitomo Kurogi (University of Minnesota)+ 1 AuthorsRyusuke Niwa27
Estimated H-index: 27
(University of Tsukuba)
Germline stem cells (GSCs) are critical for the generation of sperms and eggs in most animals including the fruit fly Drosophila melanogaster . It is well known that self-renewal and differentiation of female D. melanogaster GSCs are regulated by local niche signals. However, little is known about whether and how the GSC number is regulated by paracrine signals. In the last decade, however, multiple humoral factors, including insulin and ecdysteroids, have been recognized as key regulators of fe...
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Published on Feb 1, 2019in Current opinion in insect science 4.17
Luc Swevers24
Estimated H-index: 24
(Biotechnology Institute)
An overview is presented of the different functions of ecdysone signaling during insect oogenesis. An extensive genetic toolkit allowed analysis with unprecedented temporal and spatial detail in Drosophila where functions were revealed in stem cell proliferation and niche maintenance, germline cyst differentiation and follicle formation, integration of nutrient and lipid signaling, follicle maturation and ovulation. Besides putative autocrine/paracrine signaling, hormonal networks were identifie...
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Published on Feb 1, 2019in Current opinion in insect science 4.17
Jeremy A. Lynch18
Estimated H-index: 18
(University of Illinois at Chicago)
Positional and cell fate cues provided maternally to eggs are important factors in the development of many animals. The insects are a model clade where maternal establishment of embryonic axes is widespread and has been a topic of intense classical and molecular embryological analysis. Recently, significant progress has been made in revealing the molecular basis of some classical embryological experiments. In addition, observations of novel forms of maternal positional cues have been made. Final...
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