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1

Uncoupling proteins in plants and some microorganisms

100%
Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2003
|
tom 50
|
nr Supplement 1
2

Mitochondrial UCPs:new insights into regulation and impact

100%
Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2006
|
tom 53
|
nr Supplement 1
3

Uncoupling proteins in mitochondria of plants and some microorganisms

100%
Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2001
|
tom 48
|
nr 1
Uncoupling proteins, members of the mitochondrial carrier family, are present in mito­chondrial inner membrane and mediate free fatty acid-activated, purine-nucleo- tide-inhibited H+ re-uptake. Since 1995, it has been shown that the uncoupling protein is present in many higher plants and some microorganisms like non-photosynthetic amoeboid protozoon, Acanthamoeba castellanii and non-fermentative yeast Candida parapsilosis. In mitochondria of these organisms, uncoupling protein activity is revealed not only by stimulation of state 4 respiration by free fatty acids accompanied by decrease in membrane potential (these effects being partially released by ATP and GTP) but mainly by lowering ADP/O ratio during state 3 respiration. Plant and microorganism uncoupling proteins are able to divert very efficiently energy from oxidative phosphorylation, compet­ing for ΔμH+ with ATP synthase. Functional connection and physiological role of uncou­pling protein and alternative oxidase, two main energy-dissipating systems in plant-type mitochondria, are discussed.
4

The impact of chronic hypoxia on aerobic metabolism of human endothelial EA.hy926 cells

63%
Koziel A., Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2018
|
tom 65
|
nr S2
5

Acanthamoeba castellanii mitochondrial uncoupling protein activity is regulated by redox state of ubiquinone

63%
Swida A.-K., Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2007
|
tom 54
|
nr Supplement 4
6

Regulation of the energy-dissipating systems in Acanthamoeba castellanii mitochondria by purine nucleotides

63%
Woyda-Ploszczyca A.-M., Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2007
|
tom 54
|
nr Supplement 4
7

Udział białek rozprzęgających w modulacji funkcji mitochondriów – perspektywy terapeutyczne

63%
Woyda-Ploszczyca A., Jarmuszkiewicz W.
Postępy Biochemii
|
2008
|
tom 54
|
nr 2
8

Impact of temperature and training on skeletal muscle mitochondrial bioenergetics

63%
Jarmuszkiewicz W., Zoladz J. A.
Acta Biochimica Polonica
|
2018
|
tom 65
|
nr S2
9

Rola mitochondriow w wytwarzaniu i usuwaniu reaktywnych form tlenu; zwiazek z przesylaniem sygnalow i programowana smiercia komorki

63%
Czarna M., Jarmuszkiewicz W.
Postępy Biochemii
|
2006
|
tom 52
|
nr 2
145-156
10

Mitochondrialne białka rozprzęgające: regulacja i rola fizjologiczna

63%
Jarmuszkiewicz W., Woyda-Ploszczyca A.
Postępy Biochemii
|
2008
|
tom 54
|
nr 2
11

Regulation of electron flux in the branched respiratory chain in mitochondria of Acanthamoeba castellanii

63%
Jarmuszkiewicz W., Hryniewiecka L.
Acta Biochimica Polonica
|
1994
|
tom 41
|
nr 2
12

Regulation onuncoupling protein activity in non-phosphorylating Acanthamoeba castellanii mitochondria depend on the redox state quinone

51%
Swida A., Pawlak A., Pienkowska J., Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2006
|
tom 53
|
nr Supplement 1
13

Mitochondrial potassium channels in Dictyostelium discoideum

51%
Laskowski M., Kicinska A., Jarmuszkiewicz W., Szewczyk A.
Acta Neurobiologiae Experimentalis
|
2012
|
tom 72
|
nr 2
The strict control of inner mitochondrial membrane permeability and selective ion transport is essential for mitochondria functioning. Potassium ions homeostasis is an important process for mitochondrial optimal functioning. Currently we characterize mitochondrial potassium channels from one of Dictyostelium species. Preliminary experiments are focused on biophysical and pharmacological characterization of mitochondrial ion channels. Purified inner mitochondrial membranes (submitochondrial particles) were reconstituted into planar lipid bilayer. To form model membranes asolectin from soybean mixture of phospholipids was used. We observed two types of potassium selective ion channels in submitochondrial particle samples: a large- and small-conductance channels. Experiments were performed both in gradient solution 50/150 mM KCl (cis-trans) and in symmetrical solution 150/150 mM KCl at voltages from −50 to 50 mV. Regulation of the channel activity by divalent cations such as Ca2+ and Mg2+ was explored. Additionally, interaction of the ATP with mitochondrial potassium channels was characterized. The knowledge on mitochondrial ion channels may contribute to understanding molecular mechanism of Dictyostelium discoideum functioning.
14

Coenzyme Q and ROS production in mitochondria

51%
Dominiak K., Koziel A., Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2018
|
tom 65
|
nr S2
15

Calcium regulated potassium channel is present in endothelial mitochondria

51%
Bednarczyk P., Koziel A., Jarmuszkiewicz W., Szewczyk A.
Current Topics in Biophysics. Supplement
|
2013
|
tom 36
|
nr 2A: Posters
16

Effect of growth at low temperature on the uncoupling protein activity and expression in Acanthamoeba castellanii mitochondria

51%
Kowalczyk M., Behrendt M., Swida A., Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2003
|
tom 50
|
nr Supplement 1
17

ATP-sensitive potassium channel in mitochondria of the eukaryotic microorganism Acanthamoeba castellanii

51%
Kicinska A., Kubik K., Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2007
|
tom 54
|
nr Supplement 4
18

Mitochondrial potassium channel modulators influence mitochondrial function of Acanthamoeba castellani

51%
KIcinska A., Kubik K., Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2006
|
tom 53
|
nr Supplement 1
19

Mitochondrial functions in Acanthamoeba castellanii batch culture aging

51%
Czarna M., Woyda-Ploszczyca A., Sluse F. E., Jarmuszkiewicz W.
Acta Biochimica Polonica
|
2006
|
tom 53
|
nr Supplement 1
20

Alternative oxidase from lead ions stressed lupin roots mitochondria

51%
Tomaszewska B., Hoppe A., Jarmuszkiewicz W., Bralkiewicz D.
Acta Physiologiae Plantarum
|
1999
|
tom 21
|
nr 3 suppl.
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