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Publications by authors named "Jessica A G Johnson"

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Mechanotransduction channel Piezo is widely expressed in the spider, Cupiennius salei, mechanosensory neurons and central nervous system.
Jessica A G Johnson Hongxia Liu Ulli Höger Samantha M Rogers Kajanan Sivapalan

Sci Rep

April 2021

Article Synopsis
  • - Mechanosensory neurons use mechanotransduction ion channels to respond to mechanical forces, with different channel families like DEG/ENaC, TRP, TMC, and Piezo playing key roles in this process.
  • - Researchers identified twelve potential MET channel members in spider transcriptomes but found only the Piezo protein in their mechanosensory neurons, with no signals from other known MET channel genes.
  • - The Piezo protein is present throughout the spider nervous system and likely aids in mechanosensory transduction, but it may also have additional functions in other types of neurons.
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The distribution of cholinergic neurons and their co-localization with FMRFamide, in central and peripheral neurons of the spider Cupiennius salei.
Ruth Fabian-Fine Carly M Anderson Molly A Roush Jessica A G Johnson Hongxia Liu

Cell Tissue Res

October 2017

The spider Cupiennius salei is a well-established model for investigating information processing in arthropod sensory systems. Immunohistochemistry has shown that several neurotransmitters exist in the C. salei nervous system, including GABA, glutamate, histamine, octopamine and FMRFamide, while electrophysiology has found functional roles for some of these transmitters.

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Synopsis of recent research by authors named "Jessica A G Johnson"

  • - Jessica A G Johnson's research primarily focuses on the mechanosensory systems in spiders, particularly investigating the presence and function of mechanotransduction channels, such as Piezo, in the spider Cupiennius salei, revealing their significance in detecting mechanical forces.
  • - Her study highlighted that while multiple putative mechanotransduction channels were identified in spider transcriptomes, only the Piezo protein was confirmed to be expressed in mechanosensory neurons through in situ hybridization.
  • - In addition to mechanotransduction, Johnson's research examines the distribution of cholinergic neurons in the C. salei nervous system, including their co-localization with other neurotransmitters like FMRFamide, emphasizing the complexity and diversity of neuronal communication in spider sensory systems.

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