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Current Opinion in Insect Science

journal
https://read.qxmd.com/read/30553495/editorial-overview-plenty-of-bugs-at-the-bottom
#1
EDITORIAL
Jérôme Casas, Barbara De Salvo
No abstract text is available yet for this article.
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553494/editorial-overview-insect-neuroreceptors-and-ion-channels-roles-as-targets-in-the-control-of-insect-vectors-and-pests
#2
EDITORIAL
David B Sattelle, Kazuhiko Matsuda
No abstract text is available yet for this article.
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553493/genomics-gpcrs-and-new-targets-for-the-control-of-insect-pests-and-vectors
#3
REVIEW
Catherine A Hill, Shruti Sharan, Val J Watts
The pressing need for new pest control products with novel modes of action has spawned interest in small molecules and peptides targeting arthropod GPCRs. Genome sequence data and tools for reverse genetics have enabled the prediction and characterization of GPCRs from many invertebrates. We review recent work to identify, characterize and de-orphanize arthropod GPCRs, with a focus on studies that reveal exciting new functional roles for these receptors, including the regulation of metabolic resistance. We explore the potential for insecticides targeting Class A biogenic amine-binding and peptide-binding receptors, and consider the innovation required to generate pest-selective leads for development, within the context of new PCR-targeting products to control arthropod vectors of disease...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553492/insect-toxins-selective-pharmacological-tools-and-drug-chemical-leads
#4
REVIEW
Hamid S Kachel, Steven D Buckingham, David B Sattelle
Insect toxins comprise a diverse array of chemicals ranging from small molecules, polyamines and peptide toxins. Many target nervous system and neuromuscular ion channels and so rapidly affect the behaviour of animals to which the toxin is applied or injected. Other modes of action have also been identified. Wasps, bees, flies, beetles and ants generate a rich arsenal of channel-active toxins, some of which offer selective pharmacological probes that target particular ion channels, while others act on more than one type of channel...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553491/neonicotinoids-molecular-mechanisms-of-action-insights-into-resistance-and-impact-on-pollinators
#5
REVIEW
Makoto Ihara, Kazuhiko Matsuda
Neonicotinoids are insecticides that target insect nicotinic acetylcholine receptors (nAChRs), exhibiting high selective toxicity to insects over vertebrates and good systemic activity in crop plants. For these reasons, neonicotinoids currently make up ∼30% of insecticide sales worldwide. However, due to their adverse impact on pollinators such as honey bees and bumble bees, neonicotinoids are being banned from the EU, and other countries may follow. It is therefore crucial to understand the mechanism underlying neonicotinoid actions on pollinators as well as on the nAChRs of pests, with a view to understanding their selectivity...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553490/opening-the-toolkit-for-genetic-analysis-and-control-of-anopheles-mosquito-vectors
#6
REVIEW
Adriana Adolfi, Gareth John Lycett
Anopheles is the only genus of mosquitoes that transmit human malaria and consequently the focus of large scale genome and transcriptome-wide association studies. Genetic tools to define the function of the candidate genes arising from these analyses are vital. Moreover, genome editing offers the potential to modify Anopheles population structure at local and global scale to provide complementary tools towards the ultimate goal of malaria elimination. Major breakthroughs in Anopheles genetic analysis came with the development of germline transformation and RNA interference technology...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553489/additive-manufacturing-state-of-the-art-and-potential-for-insect-science
#7
REVIEW
Mourad Jaffar-Bandjee, Jérôme Casas, Gijs Krijnen
Additive Manufacturing has become an efficient tool to study insect-inspired biomimetic solutions. Indeed, it can build objects with intricate 3D-shapes and use materials with specific properties, such as soft materials. From biomaterials to biostructures or biosensors, Additive Manufacturing allows more possibilities in terms of design and functions. Reciprocally, insect-inspired technological solutions can be implemented to enhance Additive Manufacturing processes providing for example biocompatible structures that can successfully host living cells...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553488/exposure-to-sublethal-doses-of-insecticide-and-their-effects-on-insects-at-cellular-and-physiological-levels
#8
REVIEW
Alexandre Bantz, Jérémy Camon, Josy-Anne Froger, Delphine Goven, Valérie Raymond
Insecticides were used as pest management tools for a long time. The appearance of resistant insects has led the scientific community to rethink their use and to study the mechanisms underlying the resistance in order to circumvent it. However, we know now that sublethal doses of insecticide induce many effects which should be taken into account for pest control. In this review, we summarized current knowledge on mechanisms used by insects to deal with exposure to sublethal dose of insecticides. Physiological and cellular changes could contribute to the adaptation of the insect to its environment making the challenge of managing pests difficult...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553487/okaramines-and-other-plant-fungal-products-as-new-insecticide-leads
#9
REVIEW
Kazuhiko Matsuda
Okaramine were indole alkaloids discovered from products of Penicillium simplicissimum AK-40 in soy bean pulp 'okara'. Okaramines exhibit insecticidal activity on a broad range of insects. Hence, more insecticide leads were explored by fermenting the other fungi with okara, resulting in the isolations of meroterpenes and cyclic peptides as well as indole alkaloids with distinct skeletons. Most okaramines activate l-glutamate-gated chloride channels found only in invertebrate nervous systems and muscle cells...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553486/insect-inspired-neuromorphic-computing
#10
REVIEW
Thomas Dalgaty, Elisa Vianello, Barbara De Salvo, Jerome Casas
The steady improvement in the performance of computing systems seen for many decades is levelling off as the miniaturization of semiconducting technology approaches the atomic limit, facing severe physical and technological issues. Neuromorphic computing is an emerging solution which makes use of silicon technology in a different way, inline with the computational principles observed in animal nervous systems. In this article, we argue that the nervous systems of insects in particular offer themselves as an ideal starting point for incorporation into realistic neuromorphic systems and review research in developing insect-inspired neuromorphic systems...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553485/synergistic-agent-and-intracellular-calcium-a-successful-partnership-in-the-optimization-of-insecticide-efficacy
#11
REVIEW
Caroline Deshayes, Eléonore Moreau, Javier Pitti-Caballero, Josy-Anne Froger, Véronique Apaire-Marchais, Bruno Lapied
Integrated Pest Management and Integrated Vector Management worldwide are developed in agriculture and public health to counteract and limit the exponential increasing development of insect resistance to insecticides. However, facing the predominance of some resistant populations, new strategies are urgently needed to target resistant insects. An innovative approach lies in the optimization of commonly used insecticides when combined with chemical or biological synergistic agents. By an increase of intracellular calcium concentration followed by activation of calcium-dependant signalling pathways, the synergistic agents are able to indirectly increase target sites sensitivity to insecticide by inducing conformational change...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553484/insect-inspired-vision-for-autonomous-vehicles
#12
REVIEW
Julien R Serres, Stéphane Viollet
Flying insects are being studied these days as if they were agile micro air vehicles fitted with smart sensors, requiring very few brain resources. The findings obtained on these natural fliers have proved to be extremely valuable when it comes to designing compact low-weight artificial optical sensors capable of performing visual processing tasks robustly under various environmental conditions (light, clouds, contrast). Here, we review some outstanding bio-inspired visual sensors, which can be used for either detecting motion in the visible spectrum or controlling celestial navigation in the ultraviolet spectrum and for attitude stabilisation purposes...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553483/on-flapping-flight-mechanisms-and-their-applications-to-wind-and-marine-energy-harvesting
#13
REVIEW
Benjamin Thiria
In this paper, we present a short review on some of significative results on insect flapping flight. In particular, we focus on the time varying shape mechanisms observed during the flapping cycle that are used by insects to enhance the production of aerodynamic force. We then discuss a few examples on how these mechanisms are adapted to energy harvesters in engineered applications.
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553482/insect-inspired-acoustic-micro-sensors
#14
REVIEW
Yansheng Zhang, Andrew Reid, James Frederick Charles Windmill
Micro-Electro Mechanical System (MEMS) microphones inspired by the remarkable phonotactic capability of Ormia ochracea offer the promise of microscale directional microphones with a greatly reduced need for post-processing of signals. Gravid O. ochracea females can locate their host cricket's 5 kHz mating calls to an accuracy of less than 2° despite having a distance of approximately 500 μm between the ears. MEMS devices base on the principles of operation of O. ochracea's hearing system have been well studied, however commercial implementation has proven challenging due to the system's reliance on carefully tailored ratios of stiffness and damping, which are difficult to realize in standard MEMS fabrication processes, necessitating a trade-off between wide-band operation and sensitivity...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553481/liquid-secretion-and-setal-compliance-the-beetle-s-winning-combination-for-a-robust-and-reversible-adhesion
#15
REVIEW
Tristan Gilet, Lars Heepe, Pierre Lambert, Philippe Compère, Stanislav N Gorb
This paper is a brief review and discussion of the recent literature on the hairy adhesive pads of beetles, with the focus on two features of these pads, firstly, compliant setal tips and secondly, a liquid secretion, that together guarantee robust cycles of attachment/detachment on smooth and rough substrates. The compliance is required to ensure sufficient contact between the setal tips and the substrate with a minimum of elastically stored energy at the contact interface. The secretion fills potential gaps between both surfaces, generates capillary adhesive forces, and enhances self-cleaning of these microstructures...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30553480/genomics-cys-loop-ligand-gated-ion-channels-and-new-targets-for-the-control-of-insect-pests-and-vectors
#16
REVIEW
Andrew K Jones
No abstract text is available yet for this article.
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30410869/insect-and-insect-inspired-aerodynamics-unsteadiness-structural-mechanics-and-flight-control
#17
Richard J Bomphrey, Ramiro Godoy-Diana
Flying insects impress by their versatility and have been a recurrent source of inspiration for engineering devices. A large body of literature has focused on various aspects of insect flight, with an essential part dedicated to the dynamics of flapping wings and their intrinsically unsteady aerodynamic mechanisms. Insect wings flex during flight and a better understanding of structural mechanics and aeroelasticity is emerging. Most recently, insights from solid and fluid mechanics have been integrated with physiological measurements from visual and mechanosensors in the context of flight control in steady airs and through turbulent conditions...
December 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30551834/editorial-overview-molecular-physiology-from-omics-data-encyclopedia-to-physiology-short-stories
#18
EDITORIAL
Fernando G Noriega, Pedro L Oliveira
No abstract text is available yet for this article.
October 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30551833/editorial-overview-global-change-evolutionary-ecology-and-adaptation
#19
EDITORIAL
Oswald J Schmitz, Adam E Rosenblatt
No abstract text is available yet for this article.
October 2018: Current Opinion in Insect Science
https://read.qxmd.com/read/30551832/rapid-evolution-of-insects-to-global-environmental-change-conceptual-issues-and-empirical-gaps
#20
REVIEW
Jeff R Garnas
Understanding how insects will respond both ecologically and evolutionarily to complex and interacting factors linked to global change is an important challenge that underpins our ability to produce better predictive models and to anticipate and manage ecosystem-scale disruption in the Anthropocene. Insects have the capacity to rapidly adapt to changing conditions via a variety of mechanisms which include both phenotypically plastic and evolutionary responses that interact in important ways. This short review comments on the current state of knowledge surrounding rapid evolution in insects and highlights conceptual and empirical gaps...
October 2018: Current Opinion in Insect Science
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