Microbial Processes Forming Daily Lamination in an Aragonite Travertine, Nagano-yu Hot Spring, Southwest Japan
2011 | journal article. A publication with affiliation to the University of Göttingen.
Jump to: Cite & Linked | Documents & Media | Details | Version history
Cite this publication
Microbial Processes Forming Daily Lamination in an Aragonite Travertine, Nagano-yu Hot Spring, Southwest Japan
Okumura, T.; Takashima, C.; Shiraishi, F. ; Nishida, S.; Yukimura, K.; Naganuma, T. & Koike, H. et al. (2011)
Geomicrobiology Journal, 28(2) art. PII 933983816. DOI: https://doi.org/10.1080/01490451003743275
Documents & Media
Details
- Authors
- Okumura, Tomoyo; Takashima, Chizuru; Shiraishi, Fumito ; Nishida, Shin; Yukimura, Kise; Naganuma, Takeshi; Koike, Hiroko; Arp, Gernot ; Kano, Akihiro
- Abstract
- An aragonite travertine at Nagano-yu hot spring, SW Japan, exhibits clear sub-millimeter-order lamination that resembles ancient ministromatolites. Thirty-three hours of continuous observation showed that the lamination is formed daily with no changes in physicochemical properties except light intensity. Phylotype analysis and fluorescence in situ hybridization indicate that Hydrogenophaga sp. is dominant and concentrated in diurnal layers containing abundant extracellular polymeric substances. Growth of Hydrogenophaga sp. is activated in the daytime, likely due to extracellular polymeric substance production by cyanobacterial photosynthesis. Daytime development of Hydrogenophaga-dominant biofilms, and the concurrent inhibiting effect on aragonite precipitation, explains the daily lamination observed.
- Issue Date
- 2011
- Journal
- Geomicrobiology Journal
- Organization
- Abteilung Geobiologie ; Geowissenschaftliches Zentrum ; Fakultät für Geowissenschaften und Geographie
- ISSN
- 0149-0451