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In this article, I reflect on research on two ATPases. The first is F(1)F(0)-ATPase, also known as ATP synthase. It is the terminal enzyme in oxidative phosphorylation and famous as a nanomotor. Early work on mitochondrial enzyme involved purification in large amount, followed by deduction of subunit composition and stoichiometry and determination of ...
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RNA Interference of Genes Encoding the Vacuolar-ATPase in Liriomyza trifolii
The leafminer fly, Liriomyza trifolii, is an invasive pest of vegetable and horticultural crops in China. In this study, a microinjection method based on dsRNA was developed for RNA interference (RNAi) in L. trifolii using genes encoding vacuolar-ATPase (
Ya-Wen Chang +4 more
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Erythrocyte membrane ATPase activity in Sickle cell crisis
Background: Sickle cell disease is a genetic disease caused by a point mutation in the beta globin gene on chromosome 11 leading to the substitution of valine in place of glutamic acid in beta subunit of globin molecule.
Debapriya Rath
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Probing subunit-subunit interactions in the yeast vacuolar ATPase by peptide arrays. [PDF]
BACKGROUND:Vacuolar (H(+))-ATPase (V-ATPase; V(1)V(o)-ATPase) is a large multisubunit enzyme complex found in the endomembrane system of all eukaryotic cells where its proton pumping action serves to acidify subcellular organelles. In the plasma membrane
Lee S Parsons, Stephan Wilkens
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Bafilomycins and concanamycins as inhibitors of V-ATPases and P-ATPases [PDF]
ABSTRACT Bafilomycins and concanamycins, two groups of the plecomacrolide-defined class of macrolide antibiotics, have recently been recognized as important tools for studying the physiological role of vacuolar-type, proton-translocating ATPases (V-ATPases) and ATPases with phosphorylated states (P-ATPases) in animal and plant cells as ...
S, Dröse, K, Altendorf
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Chemical aspect of the influence of cobalt ions on atpase activity [PDF]
The influence of Co 2+ ions on the activities of Na+/K+-ATPase and Mg2+ -ATPase, enzymes from rat brain synaptic plasma membrane, was studied. The aim of this study was to investigate the inhibition of both ATPases activities byexposure tocobalt
Vujisić Ljubica +2 more
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Mitochondrial F(1)-ATPase contains a hexamer of alternating alpha and beta subunits. The assembly of this structure requires two specialized chaperones, Atp11p and Atp12p, that bind transiently to beta and alpha. In the absence of Atp11p and Atp12p, the hexamer is not formed, and alpha and beta precipitate as large insoluble aggregates.
Ludlam, Anthony +5 more
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All motors have to decide is what to do with the DNA that is given them
DNA translocases are a diverse group of molecular motors responsible for a wide variety of cellular functions. The goal of this review is to identify common aspects in the mechanisms for how these enzymes couple the binding and hydrolysis of ATP to their
Briggs Koan, Fischer Christopher J.
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Identification of Colletotrichum spaethianum causing sugar beet leaf spot in North Dakota, USA [PDF]
Sugar beet leaves with dark brown to blackish, necrotic lesions were found in a grower’s field in Casselton, North Dakota, USA in August 2021. Morphological features of the isolates obtained in growth media from the diseased samples were observed and ...
M.Z.R. Bhuiyan Ziaur +4 more
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Function-related positioning of the type II secretion ATPase of Xanthomonas campestris pv. campestris. [PDF]
Gram-negative bacteria use the type II secretion (T2S) system to secrete exoproteins for attacking animal or plant cells or to obtain nutrients from the environment. The system is unique in helping folded proteins traverse the outer membrane.
Yih-Lin Chen, Nien-Tai Hu
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