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James R. Johnson

Researcher at University of Liverpool

Publications -  25
Citations -  1767

James R. Johnson is an academic researcher from University of Liverpool. The author has contributed to research in topics: Chemistry & Syntaxin. The author has an hindex of 12, co-authored 23 publications receiving 1580 citations.

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Binding of UNC-18 to the N-terminus of syntaxin is essential for neurotransmission in Caenorhabditis elegans.

TL;DR: Results suggest that binding of UNC-18 to closed syntaxin is dispensable for membrane fusion, whereas interaction with the syntaxin N-terminus is essential for neuronal exocytosis in vivo.
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Automatic tracking of biological cells and compartments using particle filters and active contours

TL;DR: Prior information from a particle filter provides a reasonable initialisation for the active contour method and prevents it from being trapped in local minima and makes it possible to track complex cellular processes automatically.
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S-nitrosylation of syntaxin 1 at Cys(145) is a regulatory switch controlling Munc18-1 binding.

TL;DR: S-nitrosylation of Cys(145) may be a molecular switch to disrupt Munc18-1 binding to the closed conformation of syntaxin 1a, thereby facilitating its engagement with the membrane fusion machinery.