| pubmed-article:16662330 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:16662330 | lifeskim:mentions | umls-concept:C1708333 | lld:lifeskim |
| pubmed-article:16662330 | lifeskim:mentions | umls-concept:C1504318 | lld:lifeskim |
| pubmed-article:16662330 | lifeskim:mentions | umls-concept:C0995552 | lld:lifeskim |
| pubmed-article:16662330 | lifeskim:mentions | umls-concept:C0243144 | lld:lifeskim |
| pubmed-article:16662330 | lifeskim:mentions | umls-concept:C0182537 | lld:lifeskim |
| pubmed-article:16662330 | lifeskim:mentions | umls-concept:C1314939 | lld:lifeskim |
| pubmed-article:16662330 | lifeskim:mentions | umls-concept:C0205225 | lld:lifeskim |
| pubmed-article:16662330 | lifeskim:mentions | umls-concept:C0441712 | lld:lifeskim |
| pubmed-article:16662330 | pubmed:issue | 4 | lld:pubmed |
| pubmed-article:16662330 | pubmed:dateCreated | 2010-6-29 | lld:pubmed |
| pubmed-article:16662330 | pubmed:abstractText | The response of the membrane potential to HCO(3) (-) supply has been studied in the cyanobacterium Anabaena variabilis strain M-3 under various conditions. Changes in potential were followed with the aid of the lipophilic cation tetraphenyl phosphonium bromide.Addition of HCO(3) (-) to CO(2)-depleted cells resulted in rapid hyperpolarization. The rate and extent of hyperpolarization were greater in low-CO(2)-adapted than in high-CO(2)-adapted cells. Addition of the electron acceptor p-nitrosodimethylaniline which resulted in O(2) evolution in CO(2)-depleted cells did not cause hyperpolarization. The hyperpolarization was not attributable to a change in pH or in ionic strength of the medium. Pretreatment with 3-(3,4-dichlorophenyl)-1,1-dimethylurea prevented the hyperpolarization. KCN depolarized hyperpolarized cells. Addition of HCO(3) (-) also brought about immediate K(+) influx which was succeeded after about 2 minutes by K(+) efflux.TWO OF THE MODELS CONSIDERED WOULD BE CAPABLE OF EXPLAINING THESE AND PREVIOUS FINDINGS: (a) a primary electrogenic pump for transporting HCO(3) (-) ions; (b) proton-HCO(3) (-) contransport, the driving force for which is generated by a proton pump which is sensitive to the HCO(3) (-) concentration. | lld:pubmed |
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| pubmed-article:16662330 | pubmed:language | eng | lld:pubmed |
| pubmed-article:16662330 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:16662330 | pubmed:status | PubMed-not-MEDLINE | lld:pubmed |
| pubmed-article:16662330 | pubmed:month | Apr | lld:pubmed |
| pubmed-article:16662330 | pubmed:issn | 0032-0889 | lld:pubmed |
| pubmed-article:16662330 | pubmed:author | pubmed-author:KaplanAA | lld:pubmed |
| pubmed-article:16662330 | pubmed:author | pubmed-author:ReinholdLL | lld:pubmed |
| pubmed-article:16662330 | pubmed:author | pubmed-author:BerryJ AJA | lld:pubmed |
| pubmed-article:16662330 | pubmed:author | pubmed-author:ZenvirthDD | lld:pubmed |
| pubmed-article:16662330 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:16662330 | pubmed:volume | 69 | lld:pubmed |
| pubmed-article:16662330 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:16662330 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:16662330 | pubmed:pagination | 978-82 | lld:pubmed |
| pubmed-article:16662330 | pubmed:dateRevised | 2010-9-15 | lld:pubmed |
| pubmed-article:16662330 | pubmed:year | 1982 | lld:pubmed |
| pubmed-article:16662330 | pubmed:articleTitle | Involvement of a Primary Electrogenic Pump in the Mechanism for HCO(3) Uptake by the Cyanobacterium Anabaena variabilis. | lld:pubmed |
| pubmed-article:16662330 | pubmed:affiliation | Department of Botany, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel. | lld:pubmed |
| pubmed-article:16662330 | pubmed:publicationType | Journal Article | lld:pubmed |
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