Glutamatergic systems in ctenophores
Despite glutamate's widespread role as the dominant excitatory transmitter in vertebrate brains, the early evolution of glutamate and its recruitment into neural signaling remain largely unknown. The major limitation is the lack of information on its distribution in early-branching basal metazoans, such as ctenophores (comb jellies). Here, using glutamate immunoreactivity (IR) in two ctenophore…
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