Octopamine and tyramine respectively regulate attractive and repulsive behavior in locust phase changes

@article{Ma2015OctopamineAT,
  title={Octopamine and tyramine respectively regulate attractive and repulsive behavior in locust phase changes},
  author={Zongyuan Ma and Xiaojiao Guo and Hong Lei and Ting Li and Shuguang Hao and Le Kang},
  journal={Scientific Reports},
  year={2015},
  volume={5}
}
Aggregative and solitary behaviors are universal phenomena in animals. Interestingly, locusts (Locusta migratoria) can reversibly transit their behavior between gregarious and solitary phase through conspecific attraction and repulsion. However, the regulatory mechanism of neurotransmitters underlying attraction and repulsion among locusts remains unknown. In this study, we found gregarious and solitary locusts were attracted or repulsed respectively by gregarious volatiles. Solitary locusts… 

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The authors find that the D1-like dopamine receptor regulates the olfactory attraction underlying this behavioral switch via microRNA-9a and adenylyl cyclase and suggest that miRNAs act as key messengers in the GPCR signaling.
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