Polyphosphates

03/01/2015 - "Under the control conditions, the content of inorganic polyphosphates (polyP) in strains 1941 and SM was the same. "
11/01/2013 - "The yeast Saccharomyces cerevisiae accumulates the high levels of inorganic polyphosphates (polyPs) performing in the cells numerous functions, including phosphate and energy storage. "
02/01/2012 - "Inorganic polyphosphates (PolyP) are widespread molecules that have been shown to play a role in metal detoxification and heavy-metal tolerance. "
01/01/2011 - "The physiological roles of polyphosphates (polyP) recently found in arthropod mitochondria remain obscure. "
07/01/2010 - "Current data concerning the crucial role of inorganic polyphosphates (polyP) in mitochondrial functions and dysfunctions in yeast and animal cells are reviewed. "

11/01/2014 - "Neuro-2a (N2a) neuroblastoma cells display an ectoenzymatic hydrolytic activity capable of degrading diadenosine polyphosphates. "
04/20/1987 - "Electrophysiological responses to bradykinin and microinjected inositol polyphosphates in neuroblastoma cells. "
01/01/1992 - "We have directly evaluated the effects of various intracellular second messengers including cyclic nucleotides, calcium ion, and inositol polyphosphates on shape and motility of differentiating mouse neuroblastoma cells. "
03/30/1990 - "Neuroblastoma x glioma hybrid cells (NG108-15), differentiated by treatment with 1.5% dimethyl sulfoxide (DMSO) and 0.5% fetal bovine serum, were used to measure the effect of angiotensin II and III (ANG II and ANG III) on the generation of inositol polyphosphates. "
03/01/1990 - "Based on the results from studies with differentiated N1E-115 neuroblastoma cells doxorubicin may: 1) block the histamine-induced rise in [Ca++]i by decreasing synthesis of inositol polyphosphates, 2) block plasma membrane Ca++ channels that allow entry of extracellular Ca++ in response to histamine and/or 3) prevent recovery of histamine receptors after desensitization."

12/15/1986 - "The accumulation in large amounts of bisnucleoside polyphosphates (Ap4X) after heat shock in Xenopus laevis oocytes or cultured hepatoma cells (HTC cells) is observed after exposure to temperatures of 45 degrees C or higher. "
07/01/1988 - "Hepatoma tissue culture (HTC) cells were incubated in the presence of the alkylating agent N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) to study the variations in the bisnucleosides polyphosphates (Ap4X) pool size. "

02/01/2001 - "A novel assay for determination of diadenosine polyphosphates in human platelets: studies in normotensive subjects and in patients with essential hypertension."

04/01/2006 - "Effect of temperature on synthesis of polyphosphates in Yersinia pseudotuberculosis and Listeria monocytogenes under starvation conditions."
01/01/2015 - "Nitrate assimilation was markedly influenced by the starvation of P after polyphosphates were exhausted in the medium without external phosphates, and then the reviving process of biomass and lipid production was strictly impeded. "
01/01/1999 - "Accumulation of 16S rRNA and production of guanosine polyphosphates (pppGpp and ppGpp) were studied during amino acid starvation in three wild-type strains of Helicobacter pylori. "
01/01/1995 - "The stringent halobacterial strain Haloferax volcanii was subjected to a set of physiological conditions different from amino acid starvation that are known to cause production of guanosine polyphosphates [(p)pp Gpp] in eubacteria via the relA-independent (spoT) pathway. "
10/01/1993 - "Accumulation of stable RNA and production of guanosine polyphosphates (ppGpp and pppGpp) were studied during amino acid starvation in four species of halobacteria. "