rdf:type |
|
lifeskim:mentions |
|
pubmed:issue |
6
|
pubmed:dateCreated |
1995-5-18
|
pubmed:abstractText |
Calcium uptake by microsomal membranes from the cellular slime mould Dictyostelium discoideum was measured using Calcium Green-2 as a fluorescent probe of external free Ca2+ concentration. High-affinity Ca2+ uptake was found to be completely inhibited by low concentrations of vanadate, but not by thapsigargin, suggesting that the activity is mediated by a Ca(2+)-ATPase distinct from sarco(endo)plasmic reticulum type of higher animal cells. On sucrose density gradients, Ca2+ uptake distributes with vacuolar proton pump activity and part of the observed Ca2+ uptake is dependent on the pH gradient generated by the vacuolar-type H(+)-ATPase, indicating that the Ca2+ pump is located on both acidic and non-acidic vesicles, possibly derived from the H(+)-ATPase-rich contractile vacuole complex.
|
pubmed:grant |
|
pubmed:language |
eng
|
pubmed:journal |
|
pubmed:citationSubset |
IM
|
pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Calcium,
http://linkedlifedata.com/resource/pubmed/chemical/Calcium-Transporting ATPases,
http://linkedlifedata.com/resource/pubmed/chemical/Fungal Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Nigericin,
http://linkedlifedata.com/resource/pubmed/chemical/Oxalates,
http://linkedlifedata.com/resource/pubmed/chemical/Proton-Translocating ATPases,
http://linkedlifedata.com/resource/pubmed/chemical/Protons,
http://linkedlifedata.com/resource/pubmed/chemical/Protozoan Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Terpenes,
http://linkedlifedata.com/resource/pubmed/chemical/Thapsigargin,
http://linkedlifedata.com/resource/pubmed/chemical/Vanadates
|
pubmed:status |
MEDLINE
|
pubmed:month |
Dec
|
pubmed:issn |
0143-4160
|
pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:volume |
16
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
509-22
|
pubmed:dateRevised |
2010-11-18
|
pubmed:meshHeading |
pubmed-meshheading:7712544-Animals,
pubmed-meshheading:7712544-Calcium,
pubmed-meshheading:7712544-Calcium-Transporting ATPases,
pubmed-meshheading:7712544-Cell Compartmentation,
pubmed-meshheading:7712544-Centrifugation, Density Gradient,
pubmed-meshheading:7712544-Dictyostelium,
pubmed-meshheading:7712544-Fungal Proteins,
pubmed-meshheading:7712544-Intracellular Membranes,
pubmed-meshheading:7712544-Microsomes,
pubmed-meshheading:7712544-Nigericin,
pubmed-meshheading:7712544-Oxalates,
pubmed-meshheading:7712544-Proton-Translocating ATPases,
pubmed-meshheading:7712544-Protons,
pubmed-meshheading:7712544-Protozoan Proteins,
pubmed-meshheading:7712544-Terpenes,
pubmed-meshheading:7712544-Thapsigargin,
pubmed-meshheading:7712544-Vacuoles,
pubmed-meshheading:7712544-Vanadates
|
pubmed:year |
1994
|
pubmed:articleTitle |
Characterisation of an intracellular Ca2+ pump in Dictyostelium.
|
pubmed:affiliation |
Laboratoire de Biologie Cellulaire (URA 1130 CNRS), CEA, Département de Biologie, Moléculaire et Structurale, Centre d'Etudes Nucléaires de Grenoble, France.
|
pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
|