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10.1038/ismej.2013.239 http://scihub22266oqcxt.onion/10.1038/ismej.2013.239 C4030233!4030233!24451206     free     free     free Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       ISME+J 2014 ; 8 (6): 1314-22 Nephropedia Template TP {{tp|p=24451206|t=2014. Succession of cable bacteria and electric currents in marine sediment |pdf=|usr=}}{{24451206}} gab.com Text Succession of cable bacteria and electric currents in marine sediment JO: ISME J http://www.kidney.de/pget.php?&tw=1&pmid=24451206 #FOAvip Filamentous Desulfobulbaceae have been reported to conduct electrons over centimetre-long distances, thereby coupling oxygen reduction at the surface of marine sediment to sulphide oxidation in sub-surface layers. To understand how these ?cable bacteria' establish and sustain electric conductivity, we followed a population for 53 days after exposing sulphidic sediment with initially no detectable filaments to oxygen. After 10 days, cable bacteria and electric currents were established throughout the top 15?mm of the sediment, and after 21 days the filament density peaked with a total length of 2?km?cm?2. Cells elongated and divided at all depths with doubling times over the first 10 days of <20?h. Active, oriented movement must have occurred to explain the separation of O2 and H2S by 15?mm. Filament diameters varied from 0.4?1.7??m, with a general increase over time and depth, and yet they shared 16S rRNA sequence identity of >98%. Comparison of the increase in biovolume and electric current density suggested high cellular growth efficiency. While the vertical expansion of filaments continued over time and reached 30?mm, the electric current density and biomass declined after 13 and 21 days, respectively. This might reflect a breakdown of short filaments as their solid sulphide sources became depleted in the top layers of the anoxic zone. In conclusion, cable bacteria combine rapid and efficient growth with oriented movement to establish and exploit the spatially separated half-reactions of sulphide oxidation and oxygen consumption. Twit Text FOAVip Succession of cable bacteria and electric currents in marine sediment ????ISME J http://www.kidney.de/pget.php?&tw=1&pmid=24451206 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=24451206 #FOAvip English Wikipedia <ref>{{Cite pmid|24451206}}</ref> Succession of cable bacteria and electric currents in marine sediment #MMPMID24451206 Schauer R; Risgaard-Petersen N; Kjeldsen KU; Tataru Bjerg JJ; B Jørgensen B; Schramm A; Nielsen LP ISME J 2014[Jun]; 8 (6): 1314-22 PMID24451206show ga Filamentous Desulfobulbaceae have been reported to conduct electrons over centimetre-long distances, thereby coupling oxygen reduction at the surface of marine sediment to sulphide oxidation in sub-surface layers. To understand how these ?cable bacteria' establish and sustain electric conductivity, we followed a population for 53 days after exposing sulphidic sediment with initially no detectable filaments to oxygen. After 10 days, cable bacteria and electric currents were established throughout the top 15?mm of the sediment, and after 21 days the filament density peaked with a total length of 2?km?cm?2. Cells elongated and divided at all depths with doubling times over the first 10 days of <20?h. Active, oriented movement must have occurred to explain the separation of O2 and H2S by 15?mm. Filament diameters varied from 0.4?1.7??m, with a general increase over time and depth, and yet they shared 16S rRNA sequence identity of >98%. Comparison of the increase in biovolume and electric current density suggested high cellular growth efficiency. While the vertical expansion of filaments continued over time and reached 30?mm, the electric current density and biomass declined after 13 and 21 days, respectively. This might reflect a breakdown of short filaments as their solid sulphide sources became depleted in the top layers of the anoxic zone. In conclusion, cable bacteria combine rapid and efficient growth with oriented movement to establish and exploit the spatially separated half-reactions of sulphide oxidation and oxygen consumption. äSuccession of cable bacteria and electric currents in marine sediment (epmc).pdf DeepDyve Pubget Overpricing