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Showing 1 to 12 of 20 entries
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Mathematical analysis of the dependence of cell potential on external potassium in corn roots.

Plant physiology

Cheeseman JM, Hanson JB.
PMID: 16660655
Plant Physiol. 1979 Jan;63(1):1-4. doi: 10.1104/pp.63.1.1.

The K(+) dependence of normal (psi) and diffusion (psi(D)) potentials in corn roots [Zea mays L., hybrid (A619 x Oh43) x A632] was determined experimentally and analyzed with respect to the parameter xi [defined as exp (F psi/RT)]. In...

Hydrogenase-Mediated Activities in Isolated Chloroplasts of Chlamydomonas reinhardii.

Plant physiology

Maione TE, Gibbs M.
PMID: 16664626
Plant Physiol. 1986 Feb;80(2):360-3. doi: 10.1104/pp.80.2.360.

Isolated intact chloroplasts of Chlamydomonas reinhardii were found to catalyze photoreduction of CO(2) in the presence of 3-(3,4-dichlorophenyl)-1,1-dimethylurea when adapted under an atmosphere of H(2) demonstrating the association of a hydrogenase and anaerobic adaptation system with these plastids. The...

Photosynthetic formation of inorganic pyrophosphate in phototrophic bacteria.

Photosynthesis research

Nore BF, Nyrén P, Salih GF, Strid A.
PMID: 24419767
Photosynth Res. 1990 Apr;24(1):75-80. doi: 10.1007/BF00032646.

In this paper we report studies on photosynthetic formation of inorganic pyrophosphate (PPi) in three phototrophic bacteria. Formation of PPi was found in chromatophores from Rhodopseudomonas viridis but not in chromatophores from Rhodopseudomonas blastica and Rhodobacter capsulatus. The maximal...

Studies on H-Translocating ATPases in Plants of Varying Resistance to Salinity : II. K Strongly Promotes Development of Membrane Potential in Vesicles from Cotton Roots.

Plant physiology

Hassidim M, Braun Y, Lerner HR, Reinhold L.
PMID: 16664943
Plant Physiol. 1986 Aug;81(4):1057-61. doi: 10.1104/pp.81.4.1057.

Mg(2+)-ATP-dependent H(+)-translocation has been studied in membrane vesicles derived from the roots of Gossypium hirsutum L. var. Acala San Jose 2. Establishment of a positive membrane potential was followed by measuring SCN(-) accumulation; establishment of DeltapH across the vesicle...

Effect of the electrochemical proton gradient and anions on the ATPase activity of soybean submitochondrial particles.

Plant physiology

Martins IS, Martins OB, de Gómez-Puyou MT, Gómez-Puyou A.
PMID: 16666151
Plant Physiol. 1988 Jun;87(2):384-8. doi: 10.1104/pp.87.2.384.

Submitochondrial particles from soybean (Glycine max L. cv Jupiter) hypocotyls with an ATPase activity of 0.3 to 1.0 micromole per minute per milligram were prepared by sonication with Mg-ATP. The particles catalyzed ATP synthesis with NADH and succinate; the...

Properties of Plasma Membrane Isolated from Chilling-Sensitive Etiolated Seedlings of Vigna radiata L.

Plant physiology

Yoshida S, Kawata T, Uemura M, Niki T.
PMID: 16664573
Plant Physiol. 1986 Jan;80(1):152-60. doi: 10.1104/pp.80.1.152.

Plasma membrane was isolated in a uniform population and with a high purity from chilling-sensitive etiolated young seedlings of Vigna radiata (mung bean) utilizing an aqueous two polymer phase separation system and subsequent sucrose density gradient. The isolated plasma...

Amino Acid transport in protoplasts isolated from soybean leaves.

Plant physiology

Vernooy CD, Lin W.
PMID: 16664811
Plant Physiol. 1986 May;81(1):8-11. doi: 10.1104/pp.81.1.8.

We isolated large quantities of mesophyll protoplasts from source and sink leaves of soybean plants and examined them for amino acid uptake. Accumulation of amino acids in isolated protoplasts was linear for at least 40 minutes. Uptake kinetics revealed...

The K(ATP)+ channel is involved in a low-amplitude permeability transition in plant mitochondria.

Mitochondrion

Petrussa E, Casolo V, Peresson C, Braidot E, Vianello A, Macrì F.
PMID: 16120362
Mitochondrion. 2004 Apr;3(5):297-307. doi: 10.1016/j.mito.2004.01.002.

Pea (Pisum sativum) stem mitochondria, energized by NADH, succinate or malate plus glutamate, underwent a spontaneous low-amplitude permeability transition (PT), which could be monitored by dissipation of the electrical potential (deltapsi) or swelling. The occurrence of the latter effects...

Adhesive properties of a symbiotic bacterium from a wood-boring marine shipworm.

Applied and environmental microbiology

Imam SH, Greene RV, Griffin HL.
PMID: 16348185
Appl Environ Microbiol. 1990 May;56(5):1317-22. doi: 10.1128/aem.56.5.1317-1322.1990.

Adhesive properties of a cellulolytic, nitrogen-fixing bacterium isolated from a marine shipworm by Waterbury et al. (J. B. Waterbury, C. B. Calloway, and R. D. Turner, Science 221:1401-1403, 1983) are described. S-labeled cells of the shipworm bacterium bound preferentially...

Novel features on the regulation by mitochondria of calcium and secretion transients in chromaffin cells challenged with acetylcholine at 37°C.

Physiological reports

Caricati-Neto A, Padín JF, Silva-Junior ED, Fernández-Morales JC, de Diego AM, Jurkiewicz A, García AG.
PMID: 24744861
Physiol Rep. 2013 Dec 19;1(7):e00182. doi: 10.1002/phy2.182. eCollection 2013 Dec 01.

From experiments performed at room temperature, we know that the buffering of Ca(2+) by mitochondria contributes to the shaping of the bulk cytosolic calcium transient ([Ca(2+)]c) and secretion transients of chromaffin cells stimulated with depolarizing pulses. We also know...

Kinetics of the Oxyhydrogen Reaction in the Presence and Absence of Carbon Dioxide in Scenedesmus obliquus.

Plant physiology

Erbes DL, Gibbs M.
PMID: 16661612
Plant Physiol. 1981 Jan;67(1):129-32. doi: 10.1104/pp.67.1.129.

The oxyhydrogen reaction in the presence and absence of CO(2) was studied in H(2)-adapted Scenedesmus obliquus by monitoring the initial rates of H(2), O(2), and (14)CO(2) uptake and the effect of inhibitors on these rates with gas-sensing electrodes and...

Identification of a novel mitochondrial uncoupler that does not depolarize the plasma membrane.

Molecular metabolism

Kenwood BM, Weaver JL, Bajwa A, Poon IK, Byrne FL, Murrow BA, Calderone JA, Huang L, Divakaruni AS, Tomsig JL, Okabe K, Lo RH, Cameron Coleman G, Columbus L, Yan Z, Saucerman JJ, Smith JS, Holmes JW, Lynch KR, Ravichandran KS, Uchiyama S, Santos WL, Rogers GW, Okusa MD, Bayliss DA, Hoehn KL.
PMID: 24634817
Mol Metab. 2013 Nov 28;3(2):114-23. doi: 10.1016/j.molmet.2013.11.005. eCollection 2014 Apr.

Dysregulation of oxidative phosphorylation is associated with increased mitochondrial reactive oxygen species production and some of the most prevalent human diseases including obesity, cancer, diabetes, neurodegeneration, and heart disease. Chemical 'mitochondrial uncouplers' are lipophilic weak acids that transport protons...

Showing 1 to 12 of 20 entries