Chlorotetracycline fluorescence associated with plasma membranes of cockroach salivary gland cells

The fluorescent compound chlorotetracycline (CTC) enters the cells of the cockroach salivary gland. The acinar peripheral cells and the non-secretory duct cells become preferentially labelled by CTC. Microscopic examination of the intracellular distribution of CTC indicates that this compound labels...

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Veröffentlicht in:Experimental physiology 1983-01, Vol.68 (1), p.105-121
Hauptverfasser: Gray, D.C, House, C.R
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container_title Experimental physiology
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creator Gray, D.C
House, C.R
description The fluorescent compound chlorotetracycline (CTC) enters the cells of the cockroach salivary gland. The acinar peripheral cells and the non-secretory duct cells become preferentially labelled by CTC. Microscopic examination of the intracellular distribution of CTC indicates that this compound labels the highly folded apical plasma membranes of the peripheral cells and the deep infolds of the basal plasma membranes of the non-secretory duct cells. Lanthanum blocks the entry of CTC into all of the gland cells and in this condition the CTC labels the basal surfaces of the acini and ducts. The results of this investigation support the idea that CTC labels calcium ions in the vicinity of plasma membranes.
doi_str_mv 10.1113/expphysiol.1983.sp002690
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source MEDLINE; Alma/SFX Local Collection
subjects Animals
Calcium - pharmacology
Cell Membrane - metabolism
Chlortetracycline - analysis
Cockroaches - metabolism
Dopamine - pharmacology
Fluorescence
Magnesium - pharmacology
Microscopy, Fluorescence
Nauphoeta cinerea
Salivary Glands - drug effects
Salivary Glands - metabolism
Salivary Glands - ultrastructure
Tissue Distribution
title Chlorotetracycline fluorescence associated with plasma membranes of cockroach salivary gland cells
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