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Literature DB >> 1846445

A cyclic AMP-activated K+ channel in Drosophila larval muscle is persistently activated in dunce.

R Delgado¹, P Hidalgo, F Diaz, R Latorre, P Labarca.

Abstract

Single-channel recording from longitudinal ventrolateral Drosophila larval muscle reveals the presence of a potassium-selective channel that is directly and reversibly activated by cAMP in a dose-dependent fashion. Activation is specific and it cannot be mimicked by a series of agents that include AMP, cGMP, ATP, inositol trisphosphate, and Ca2+. Channel current records obtained from larval muscle in different dunce mutants possessing abnormally high levels of cAMP show that, in the mutants, the channel displays an increased probability of opening.

Entities: Chemical Disease Gene Species

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Year: 1991 PMID： 1846445 PMCID： PMC50850 DOI： 10.1073/pnas.88.2.557

Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN： 0027-8424 Impact factor: 11.205

24 in total

Review 1. Varieties of calcium-activated potassium channels.

Authors: R Latorre; A Oberhauser; P Labarca; O Alvarez
Journal: Annu Rev Physiol Date: 1989 Impact factor: 19.318

2. Phosphorylation of ion channels.

Authors: I B Levitan
Journal: J Membr Biol Date: 1985 Impact factor: 1.843

3. Single-channel and genetic analyses reveal two distinct A-type potassium channels in Drosophila.

Authors: C K Solc; W N Zagotta; R W Aldrich
Journal: Science Date: 1987-05-29 Impact factor: 47.728

Review 4. Genetics of ion channels.

Authors: L B Salkoff; M A Tanouye
Journal: Physiol Rev Date: 1986-04 Impact factor: 37.312

Review 5. Genetics and molecular biology of ionic channels in Drosophila.

Authors: M A Tanouye; C A Kamb; L E Iverson; L Salkoff
Journal: Annu Rev Neurosci Date: 1986 Impact factor: 12.449

6. Induction by cyclic GMP of cationic conductance in plasma membrane of retinal rod outer segment.

Authors: E E Fesenko; S S Kolesnikov; A L Lyubarsky
Journal: Nature Date: 1985 Jan 24-30 Impact factor: 49.962

7. Voltage-gated potassium channels in larval CNS neurons of Drosophila.

Authors: C K Solc; R W Aldrich
Journal: J Neurosci Date: 1988-07 Impact factor: 6.167

8. Single-channel analysis of four distinct classes of potassium channels in Drosophila muscle.

Authors: W N Zagotta; M S Brainard; R W Aldrich
Journal: J Neurosci Date: 1988-12 Impact factor: 6.167

9. Improved patch-clamp techniques for high-resolution current recording from cells and cell-free membrane patches.

Authors: O P Hamill; A Marty; E Neher; B Sakmann; F J Sigworth
Journal: Pflugers Arch Date: 1981-08 Impact factor: 3.657

10. Isolation of the Drosophila melanogaster dunce chromosomal region and recombinational mapping of dunce sequences with restriction site polymorphisms as genetic markers.

Authors: R L Davis; N Davidson
Journal: Mol Cell Biol Date: 1984-02 Impact factor: 4.272

20 in total

A cyclic AMP-activated K+ channel in Drosophila larval muscle is persistently activated in dunce.

Review 1. Varieties of calcium-activated potassium channels.

2. Phosphorylation of ion channels.

3. Single-channel and genetic analyses reveal two distinct A-type potassium channels in Drosophila.

Review 4. Genetics of ion channels.

Review 5. Genetics and molecular biology of ionic channels in Drosophila.

6. Induction by cyclic GMP of cationic conductance in plasma membrane of retinal rod outer segment.

7. Voltage-gated potassium channels in larval CNS neurons of Drosophila.

8. Single-channel analysis of four distinct classes of potassium channels in Drosophila muscle.

9. Improved patch-clamp techniques for high-resolution current recording from cells and cell-free membrane patches.

10. Isolation of the Drosophila melanogaster dunce chromosomal region and recombinational mapping of dunce sequences with restriction site polymorphisms as genetic markers.

1. Cyclic AMP as a Second Messenger in Higher Plants (Status and Future Prospects).

2. Defective learning in mutants of the Drosophila gene for a regulatory subunit of cAMP-dependent protein kinase.

Review 3. Cyclic nucleotide-gated channels: an expanding new family of ion channels.

4. Cyclic nucleotide- and inositol phosphate-gated ion channels in lobster olfactory receptor neurons.

5. Altered habituation of an identified escape circuit in Drosophila memory mutants.

6. Embryonic cAMP and developmental potential in Drosophila melanogaster.

7. Protein kinase A-independent modulation of ion channels in the brain by cyclic AMP.

8. Control of ligand specificity in cyclic nucleotide-gated channels from rod photoreceptors and olfactory epithelium.

9. Dynamics of learning-related cAMP signaling and stimulus integration in the Drosophila olfactory pathway.

10. Primary structure and functional expression of a cGMP-gated potassium channel.