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Gregarious behavior in desert locusts is evoked by touching their back legs
TLDR
It is concluded that a primary cause of the switch in behavior that seeds the formation of locust swarms is individuals regularly touching others on the hind legs within populations that have become concentrated by the environment.
Mechanosensory-induced behavioural gregarization in the desert locust Schistocerca gregaria
TLDR
The data show for the first time that the gregarizing signal combines both exteroceptive and proprioceptive components, which travel in both nerves 5B1 and 5B2, and provides a powerful experimental method with which to elicit and study neuronal plasticity in this system.
Branched-chain amino acids impact health and lifespan indirectly via amino acid balance and appetite control
TLDR
It is shown that when dietary BCAAs are varied against a fixed, isocaloric macronutrient background, long-term exposure to high BCAA diets leads to hyperphagia, obesity and reduced lifespan, which reduces lifespan as a consequence of obesity.
Assessment and validation of a suite of reverse transcription-quantitative PCR reference genes for analyses of density-dependent behavioural plasticity in the Australian plague locust
TLDR
Arm and EF1a is the most stably expressed combination of two reference genes of the eight examined for reliable normalization of RT-qPCR assays studying density-dependent behavioural change in the Australian plague locust.
Swarm formation in the desert locust Schistocerca gregaria: isolation and NMR analysis of the primary maternal gregarizing agent
TLDR
Tentative structural features of the primary locust maternal gregarizing agent appear to be an alkylated l-dopa analogue and a mechanism for phase-dependent regulation of this compound's activity is proposed.
Impact of dietary carbohydrate type and protein-carbohydrate interaction on metabolic health.
Reduced protein intake, through dilution with carbohydrate, extends lifespan and improves mid-life metabolic health in animal models. However, with transition to industrialised food systems, reduced
Branched chain amino acids impact health and lifespan indirectly via amino acid balance
3 Authors: Samantha M Solon-Biet, Victoria C Cogger, Tamara Pulpitel, Devin Wahl, 4 Ximonie Clark, Elena Bagley, Gabrielle C Gregoriou, Alistair M Senior, Qiao-Ping Wang, 5 Amanda E Brandon, Ruth