Istituto di Scienze Marine     
Gallus L., Ferrando S., Gambardella C., Diaspro A., Bianchini P., Piazza V., Bonanno G., Milanese M., Ramoino P., Tagliafierro G. The GABAergic-like system in the cyprid of Balanus amphitrite (=Amphibalanus amphitrite) (Cirripedia, Crustacea). In: Biofouling, vol. 26 (2) pp. 155 - 165. Taylor and Francis, 2010.
In the present study, biochemical and immunochemicalmethodswere used to investigate the presence and distribution of GABA, glutamate decarboxylase (GAD), GABABR1 and GABAA g2 subunit receptors and the vesicular GABA transporter (vGAT) in the cyprid of Balanus amphitrite (žAmphibalanus amphitrite). GAD65/67 immunoreactive neuron cell bodies and nerve fiberswere detected in the central nervous system. PairedGAD65/67 immunoreactive nerves running from the posterior ganglion to the body and limb muscles were detected. Thin GABA-immunoreactive nerve terminals were present on striated muscular fibers and in the antennules. Furthermore, GABA, GAD65/67, GABABR1 and GABAAg2 subunit receptors and vGAT were observed in the lateral compound eyes, and GABAAg2 subunit receptor immunoreactivitywas seen in the naupliar eye.These results suggest a neurotransmitter/neuromodulatory role forGABA in thoracic muscle contraction and regulatory functions in compound eyes and antennules of B. amphitrite cyprids.
DOI: 10.1080/08927010903391193
Subject barnacle larvae
neuromuscolar junctions

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