Specific, water-soluble polypeptides in identified neurons of Aplysia californica. |
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Authors: | Y P Loh R Rüchel H Gainer |
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Abstract: | Application of an ethylene glycol lysis technique to extract water-soluble, low molecular weight polypeptides in Aplysia neurons, was used in conjunction with microgradient gel electrophoresis and micro-isoelectric focusing, to identify unique polypeptides in specific, identified neurons. The polypeptides found in neurons R15, R3-13, R14, and the bag cells were particularly abundant, consistent with the previously suggested neurosecretory role for these cells. Water extraction of the strongly basic polypeptides (pI 10.7) in R3-13 and R14 required an acidic lysis medium. |
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