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Real-time measurements of ATP dynamics via ATeams in reveal drug-class-specific response patterns.

Antimicrob Agents Chemother

May 2024

Biochemistry and Molecular Biology, Interdisciplinary Research Center, Justus Liebig University, Giessen, Germany.

, caused by the parasite (), remains one of the greatest public health burdens for humankind. Due to its pivotal role in parasite survival, the energy metabolism of is an interesting target for drug design. To this end, analysis of the central metabolite adenosine triphosphate (ATP) is of great interest.

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Molecular Identities and ATP Release Activities of Two Types of Volume-Regulatory Anion Channels, VSOR and Maxi-Cl.

Curr Top Membr

March 2019

Division of Cell Signaling, National Institute for Physiological Sciences (NIPS), Okazaki, Japan; Laboratory of Molecular Physiology, Institute of Bioorganic Chemistry, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan.

An elaborate volume regulation system based on interplay of ion channels and transporters was evolved to cope with constant osmotic challenges caused by intensive metabolism, transport and other physiological/pathophysiological events. In animal cells, two types of anion channels are directly activated by cell swelling and involved in the regulatory volume decrease (RVD): volume-sensitive outwardly rectifying anion channel (VSOR), also called volume-regulated anion channel (VRAC), and Maxi-Cl which is the most major type of maxi-anion channel (MAC). These two channels have very different biophysical profiles and exhibit opposite dependence on intracellular ATP.

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Growth and development of plants is ultimately driven by light energy captured through photosynthesis. ATP acts as universal cellular energy cofactor fuelling all life processes, including gene expression, metabolism, and transport. Despite a mechanistic understanding of ATP biochemistry, ATP dynamics in the living plant have been largely elusive.

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QM/MM investigation of ATP hydrolysis in aqueous solution.

J Phys Chem B

March 2015

Department of Chemical Physics, University of Science and Technology of China, 96 Jinzhai Road, 230026 Hefei, Anhui Province, People's Republic of China.

Adenosine-5'-triphosphate (ATP) hydrolysis represents a most important reaction in biology. Despite extensive research efforts, the mechanism for ATP hydrolysis in aqueous solution still remains under debate. Previous theoretical studies often predefined reaction coordinates to characterize the mechanism for ATP hydrolysis in water with Mg(2+) by evaluating free energy profiles through these preassumed reaction paths.

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