1994
DOI: 10.1042/bst022231s
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Enzymes of diadenosine tetraphosphate (Ap4A) catabolism in the green alga Scenedesmus obliquus

Abstract: The nucleotide diadenosine 5',5"-P1 ,p-tetraphosphate ( A p d )is found in all cells in concentrations ranging from 0.05 to >lo0 pM. It been implicated in the regulation of the cellular response to metabolic stresses, including heat shock, oxidative stress and DNA damage [I]. Other evidence has supported a role for Ap4A in DNA replication in eukaryotes [2] while extracellular signalling and neurotransmitter functions for Ap4A and its homologues ADA, ApsA and ApbA have also been reported 131.Regulation of intra… Show more

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“…saccharomyces pombe [14], the green alga Scenedesmus obliquus [15], humans and other mammals [16][17][18][19], and plants [20,21]. Seeds of the grain legumes Lupinus luteus and Lupinus angustifolius are a rich source of this enzyme [20], although, apart from suggestions that link Ap % A hydrolase to stress responses in tomatoes [21], there is no other information on the role that it might play in plants.…”
Section: Introductionmentioning
confidence: 99%
“…saccharomyces pombe [14], the green alga Scenedesmus obliquus [15], humans and other mammals [16][17][18][19], and plants [20,21]. Seeds of the grain legumes Lupinus luteus and Lupinus angustifolius are a rich source of this enzyme [20], although, apart from suggestions that link Ap % A hydrolase to stress responses in tomatoes [21], there is no other information on the role that it might play in plants.…”
Section: Introductionmentioning
confidence: 99%