ArticleThe Journal of cell biology1988
Calcium regulation of pigment transport in vitro.
Article in The Journal of cell biology, 1988. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
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Who cites it
10 citing papers in PubMed, 62 citations in OpenAlex.
- Effect of calcium on electrical energy transfer by microtubules.Journal of biological physics · 2008Article
- Article
- Intracellular calcium and cAMP regulate directional pigment movements in teleost erythrophores.The Journal of cell biology · 1994Article
- Protein kinase C activation antagonizes melatonin-induced pigment aggregation in Xenopus laevis melanophores.The Journal of cell biology · 1992Article
- Intracellular cyclic AMP not calcium, determines the direction of vesicle movement in melanophores: direct measurement by fluorescence ratio imaging.The Journal of cell biology · 1992Article
- Kinesin is responsible for centrifugal movement of pigment granules in melanophores.Proceedings of the National Academy of Sciences of the United States of America · 1991Article
- Regulation of organelle transport in melanophores by calcineurin.The Journal of cell biology · 1990Article
- Interactions of cytoplasmic granules with microtubules in human neutrophils.The Journal of cell biology · 1989Article
- Changes in lysosome shape and distribution correlated with changes in cytoplasmic pH.The Journal of cell biology · 1989Article
- A paradigm for examining toxicant effects on viability, structure, and axonal transport of neurons in culture.Molecular neurobiologyReview
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Calcium has been implicated in the regulation of many cellular motility events. In this study we have examined the role of different Ca2+ concentrations on the in vitro transport of pigment within cultured chromatophores. Cells treated with Brij detergent for 1-2 min were stripped of their plasma membranes, leaving their cytoskeleton and associated pigment granules exposed to the external milieu. We found that retrograde pigment transport (aggregation) is induced upon addition of 1 mM MgATP2- with 10(-7) M free Ca2+, while an orthograde transport (redispersal) of pigment results from lowering the concentration of free Ca2+ to 10(-8) M while maintaining 1 mM MgATP2-. These Ca2+-regulated movements are ATP dependent but are apparently independent of cAMP and insensitive to calmodulin inhibitors. The observations reported here provide novel evidence that the concentration of free Ca2+ acts to regulate the direction of intracellular organelle transport.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.