Satoshi Okabe

Summary

Affiliation: Hokkaido University
Country: Japan

Publications

  1. Oshiki M, Ali M, Shinyako Hata K, Satoh H, Okabe S. Hydroxylamine-dependent anaerobic ammonium oxidation (anammox) by "Candidatus Brocadia sinica". Environ Microbiol. 2016;18:3133-43 pubmed publisher
    ..Taken together, the metabolic pathway of 'Ca. B. sinica' is NH2 OH-dependent and different from the one of 'Ca. K. stuttgartiensis', indicating metabolic diversity of anammox bacteria. ..
  2. request reprint
    Okabe S, Oshiki M, Kamagata Y, Yamaguchi N, Toyofuku M, Yawata Y, et al. A great leap forward in microbial ecology. Microbes Environ. 2010;25:230-40 pubmed
    ....
  3. Okabe S, Oshiki M, Takahashi Y, Satoh H. N2O emission from a partial nitrification-anammox process and identification of a key biological process of N2O emission from anammox granules. Water Res. 2011;45:6461-70 pubmed publisher
    ..Based on these results obtained, denitrification by putative heterotrophic denitrifiers present in the inner part of the granule was considered the most probable cause of N(2)O emission from the anammox reactor (i.e., granules). ..
  4. Imai T, Sano D, Miura T, Okabe S, Wada K, Masago Y, et al. Adsorption characteristics of an enteric virus-binding protein to norovirus, rotavirus and poliovirus. BMC Biotechnol. 2011;11:123 pubmed publisher
    ..The broad binding characteristic of EVBP would allow us to utilize it as a novel adsorbent for detecting diverse enteric viruses in clinical and environmental samples. ..
  5. Okabe S, Itoh T, Satoh H, Watanabe Y. Analyses of spatial distributions of sulfate-reducing bacteria and their activity in aerobic wastewater biofilms. Appl Environ Microbiol. 1999;65:5107-16 pubmed
    ..The contribution of an internal Fe-sulfur cycle to the overall sulfur cycle in aerobic wastewater biofilms was insignificant (less than 1%) due to the relatively high sulfate reduction rate. ..
  6. request reprint
    Okabe S, Shimazu Y. Persistence of host-specific Bacteroides-Prevotella 16S rRNA genetic markers in environmental waters: effects of temperature and salinity. Appl Microbiol Biotechnol. 2007;76:935-44 pubmed
    ....
  7. Okabe S, Kindaichi T, Ito T. Fate of 14C-labeled microbial products derived from nitrifying bacteria in autotrophic nitrifying biofilms. Appl Environ Microbiol. 2005;71:3987-94 pubmed
    ....
  8. Okabe S, Odagiri M, Ito T, Satoh H. Succession of sulfur-oxidizing bacteria in the microbial community on corroding concrete in sewer systems. Appl Environ Microbiol. 2007;73:971-80 pubmed
    ..This suggested that the production of sulfuric acid by A. thiooxidans occurred mainly on the concrete surface and the sulfuric acid produced penetrated through the corroded concrete layer and reacted with the sound concrete below...
  9. request reprint
    Okabe S, Okayama N, Savichtcheva O, Ito T. Quantification of host-specific Bacteroides-Prevotella 16S rRNA genetic markers for assessment of fecal pollution in freshwater. Appl Microbiol Biotechnol. 2007;74:890-901 pubmed
    ....
  10. request reprint
    Okabe S, Ito T, Satoh H. Sulfate-reducing bacterial community structure and their contribution to carbon mineralization in a wastewater biofilm growing under microaerophilic conditions. Appl Microbiol Biotechnol. 2003;63:322-34 pubmed
    ..However, acetate was preferentially utilized by nitrate-reducing bacteria but not by acetate-utilizing SRB...

Locale

Detail Information

Publications20

  1. Oshiki M, Ali M, Shinyako Hata K, Satoh H, Okabe S. Hydroxylamine-dependent anaerobic ammonium oxidation (anammox) by "Candidatus Brocadia sinica". Environ Microbiol. 2016;18:3133-43 pubmed publisher
    ..Taken together, the metabolic pathway of 'Ca. B. sinica' is NH2 OH-dependent and different from the one of 'Ca. K. stuttgartiensis', indicating metabolic diversity of anammox bacteria. ..
  2. request reprint
    Okabe S, Oshiki M, Kamagata Y, Yamaguchi N, Toyofuku M, Yawata Y, et al. A great leap forward in microbial ecology. Microbes Environ. 2010;25:230-40 pubmed
    ....
  3. Okabe S, Oshiki M, Takahashi Y, Satoh H. N2O emission from a partial nitrification-anammox process and identification of a key biological process of N2O emission from anammox granules. Water Res. 2011;45:6461-70 pubmed publisher
    ..Based on these results obtained, denitrification by putative heterotrophic denitrifiers present in the inner part of the granule was considered the most probable cause of N(2)O emission from the anammox reactor (i.e., granules). ..
  4. Imai T, Sano D, Miura T, Okabe S, Wada K, Masago Y, et al. Adsorption characteristics of an enteric virus-binding protein to norovirus, rotavirus and poliovirus. BMC Biotechnol. 2011;11:123 pubmed publisher
    ..The broad binding characteristic of EVBP would allow us to utilize it as a novel adsorbent for detecting diverse enteric viruses in clinical and environmental samples. ..
  5. Okabe S, Itoh T, Satoh H, Watanabe Y. Analyses of spatial distributions of sulfate-reducing bacteria and their activity in aerobic wastewater biofilms. Appl Environ Microbiol. 1999;65:5107-16 pubmed
    ..The contribution of an internal Fe-sulfur cycle to the overall sulfur cycle in aerobic wastewater biofilms was insignificant (less than 1%) due to the relatively high sulfate reduction rate. ..
  6. request reprint
    Okabe S, Shimazu Y. Persistence of host-specific Bacteroides-Prevotella 16S rRNA genetic markers in environmental waters: effects of temperature and salinity. Appl Microbiol Biotechnol. 2007;76:935-44 pubmed
    ....
  7. Okabe S, Kindaichi T, Ito T. Fate of 14C-labeled microbial products derived from nitrifying bacteria in autotrophic nitrifying biofilms. Appl Environ Microbiol. 2005;71:3987-94 pubmed
    ....
  8. Okabe S, Odagiri M, Ito T, Satoh H. Succession of sulfur-oxidizing bacteria in the microbial community on corroding concrete in sewer systems. Appl Environ Microbiol. 2007;73:971-80 pubmed
    ..This suggested that the production of sulfuric acid by A. thiooxidans occurred mainly on the concrete surface and the sulfuric acid produced penetrated through the corroded concrete layer and reacted with the sound concrete below...
  9. request reprint
    Okabe S, Okayama N, Savichtcheva O, Ito T. Quantification of host-specific Bacteroides-Prevotella 16S rRNA genetic markers for assessment of fecal pollution in freshwater. Appl Microbiol Biotechnol. 2007;74:890-901 pubmed
    ....
  10. request reprint
    Okabe S, Ito T, Satoh H. Sulfate-reducing bacterial community structure and their contribution to carbon mineralization in a wastewater biofilm growing under microaerophilic conditions. Appl Microbiol Biotechnol. 2003;63:322-34 pubmed
    ..However, acetate was preferentially utilized by nitrate-reducing bacteria but not by acetate-utilizing SRB...
  11. Okabe S, Satoh H, Watanabe Y. In situ analysis of nitrifying biofilms as determined by in situ hybridization and the use of microelectrodes. Appl Environ Microbiol. 1999;65:3182-91 pubmed
    ....
  12. Ali M, Rathnayake R, Zhang L, Ishii S, Kindaichi T, Satoh H, et al. Source identification of nitrous oxide emission pathways from a single-stage nitritation-anammox granular reactor. Water Res. 2016;102:147-157 pubmed publisher
    ..Good understanding of the key N2O production pathways is essential to establish a strategy to mitigate N2O emission from biological nitrogen removal processes. ..
  13. Ishizaki S, Sugiyama R, Okabe S. Membrane fouling induced by AHL-mediated soluble microbial product (SMP) formation by fouling-causing bacteria co-cultured with fouling-enhancing bacteria. Sci Rep. 2017;7:8482 pubmed publisher
    ..This result suggests that AHL-mediated quorum-sensing (QS) regulatory system was involved in secretion of fouling-causing SMP. ..
  14. Zhang L, Narita Y, Gao L, Ali M, Oshiki M, Ishii S, et al. Microbial competition among anammox bacteria in nitrite-limited bioreactors. Water Res. 2017;125:249-258 pubmed publisher
    ..Taken together, NLR was one of factors determining ecological niche differentiation of "Ca. B. sinica" and "Ca. J. caeni". ..
  15. Hafuka A, Takitani A, Suzuki H, Iwabuchi T, Takahashi M, Okabe S, et al. Determination of Cadmium in Brown Rice Samples by Fluorescence Spectroscopy Using a Fluoroionophore after Purification of Cadmium by Anion Exchange Resin. Sensors (Basel). 2017;17: pubmed publisher
    ..Since the fluoroionophore recognized Zn2+ and Hg2+ as well as Cd2+, a sample containing high concentration of Zn2+ or Hg2+ might cause a false positive result. ..
  16. Zhang L, Okabe S. Rapid cultivation of free-living planktonic anammox cells. Water Res. 2017;127:204-210 pubmed publisher
    ..This new cultivation technique could greatly facilitate various microbial, physiological and biochemical studies of anammox bacteria...
  17. Ishizaki S, Fukushima T, Ishii S, Okabe S. Membrane fouling potentials and cellular properties of bacteria isolated from fouled membranes in a MBR treating municipal wastewater. Water Res. 2016;100:448-457 pubmed publisher
    ..These results suggest that the fouling potential should be directly evaluated under filtration conditions, and the colony water content could be a useful indicator to identify the FCB. ..
  18. Zhang L, Narita Y, Gao L, Ali M, Oshiki M, Okabe S. Maximum specific growth rate of anammox bacteria revisited. Water Res. 2017;116:296-303 pubmed publisher
    ..Taken together, the fast growth is, therefore, considered to be an intrinsic kinetic property of anammox bacteria. ..
  19. Narita Y, Zhang L, Kimura Z, Ali M, Fujii T, Okabe S. Enrichment and physiological characterization of an anaerobic ammonium-oxidizing bacterium 'Candidatus Brocadia sapporoensis'. Syst Appl Microbiol. 2017;40:448-457 pubmed publisher
    ..Therefore, we proposed the name 'Ca. Brocadia sapporoensis' sp. nov. ..
  20. Fukushima T, Hara Yamamura H, Nakashima K, Tan L, Okabe S. Multiple-endpoints gene alteration-based (MEGA) assay: A toxicogenomics approach for water quality assessment of wastewater effluents. Chemosphere. 2017;188:312-319 pubmed publisher
    ....