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10.1016/j.bpr.2025.100225 http://scihub22266oqcxt.onion/10.1016/j.bpr.2025.100225 40784583!12396580!40784583     free     free     free Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\40784583.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Biophys+Rep+(N+Y) 2025 ; 5 (3): 100225 Nephropedia Template TP {{tp|p=40784583|t=2025. Escherichia coli FocA/B-dependent H(+) and K(+) fluxes: Influence of exogenous versus endogenous formate |pdf=|usr=}}{{40784583}} gab.com Text Escherichia coli FocA/B-dependent H(+) and K(+) fluxes: Influence of exogenous versus endogenous formate JO: Biophys Rep (N Y) http://www.kidney.de/pget.php?&tw=1&pmid=40784583 #FOAvip Escherichia coli translocates formate/formic acid bidirectionally across the cytoplasmic membrane by the FocA/FocB formate channels during fermentation. Depending on the pH and whether formate is supplied exogenously or generated internally, the mechanisms of translocation differ. This study elucidates the role of these channels in dependence on F(O)F(1) ATPase activity in stationary phase cells after cultivation by mixed-carbon fermentation at pH 7.5. In cells cultivated with glucose plus glycerol, exogenously added formate increased the N,N'-dicyclohexylcarbodiimide (DCCD)-sensitive (F(O)F(1) ATPase-dependent) proton flux in single or double foc mutants. Moreover, exogenously supplied formate also increased the DCCD-sensitive potassium flux, but only in mutants where focB was absent. In the cells grown on glucose, glycerol, and formate, addition of formate in the whole-cell assays increased F(O)F(1) ATPase activity by approximately 60% compared with cells grown on a mixture of only glucose and glycerol. In a focA mutant cultivated to the stationary phase on glucose, glycerol, and formate, F(O)F(1) ATPase activity was double that compared with cells grown on only glucose and glycerol, while in a focA-focB double-null mutant F(O)F(1) ATPase activity decreased by approximately 50% in formate assays. These data suggest that the cell regulates the mechanism of formate translocation depending on whether formate is generated internally or added exogenously. Thus, F(O)F(1)-ATPase activity and the FocA/FocB channels together with formate hydrogenlyase activity combine to balance pH and ion gradients during fermentation in stationary phase cells in response to whether formate is generated metabolically or supplied in high concentration from the environment. Twit Text FOAVip Escherichia coli FocA/B-dependent H(+) and K(+) fluxes: Influence of exogenous versus endogenous formate ????Biophys Rep (N Y) http://www.kidney.de/pget.php?&tw=1&pmid=40784583 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=40784583 #FOAvip English Wikipedia <ref>{{Cite pmid|40784583}}</ref> Escherichia coli FocA/B-dependent H(+) and K(+) fluxes: Influence of exogenous versus endogenous formate #MMPMID40784583 Grigoryan L; Babayan A; Vassilian A; Poladyan A; Sawers G; Trchounian K Biophys Rep (N Y) 2025[Aug]; 5 (3): 100225 PMID40784583show ga Escherichia coli translocates formate/formic acid bidirectionally across the cytoplasmic membrane by the FocA/FocB formate channels during fermentation. Depending on the pH and whether formate is supplied exogenously or generated internally, the mechanisms of translocation differ. This study elucidates the role of these channels in dependence on F(O)F(1) ATPase activity in stationary phase cells after cultivation by mixed-carbon fermentation at pH 7.5. In cells cultivated with glucose plus glycerol, exogenously added formate increased the N,N'-dicyclohexylcarbodiimide (DCCD)-sensitive (F(O)F(1) ATPase-dependent) proton flux in single or double foc mutants. Moreover, exogenously supplied formate also increased the DCCD-sensitive potassium flux, but only in mutants where focB was absent. In the cells grown on glucose, glycerol, and formate, addition of formate in the whole-cell assays increased F(O)F(1) ATPase activity by approximately 60% compared with cells grown on a mixture of only glucose and glycerol. In a focA mutant cultivated to the stationary phase on glucose, glycerol, and formate, F(O)F(1) ATPase activity was double that compared with cells grown on only glucose and glycerol, while in a focA-focB double-null mutant F(O)F(1) ATPase activity decreased by approximately 50% in formate assays. These data suggest that the cell regulates the mechanism of formate translocation depending on whether formate is generated internally or added exogenously. Thus, F(O)F(1)-ATPase activity and the FocA/FocB channels together with formate hydrogenlyase activity combine to balance pH and ion gradients during fermentation in stationary phase cells in response to whether formate is generated metabolically or supplied in high concentration from the environment. äEscherichia coli FocA/B-dependent H(+) and K(+) fluxes: Influence of e(epmc).pdf DeepDyve Pubget Overpricing