Voltage dependence of junctional conductance in early amphibian embryos

Research output: Contribution to journalArticle

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Abstract

Isolated pairs of blastomeres from early amphibian embryos (Ambystoma, Rana, Xenopus) are electrotonically coupled. Junctional conductance and permeability to the dye Lucifer Yellow are markedly and reversibly decreased by moderate transjunctional polarization in either direction. The relationship between junctional conductance and transjunctional voltage is sufficiently steep that a physiological role in regulation of intercellular communication is plausible.

Original languageEnglish (US)
Pages (from-to)432-434
Number of pages3
JournalScience
Volume204
Issue number4391
DOIs
StatePublished - Jan 1 1979
Externally publishedYes

ASJC Scopus subject areas

  • General

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