Zobrazeno 1 - 10
of 191
pro vyhledávání: '"Hitoshi Kunoh"'
Autor:
Tatsuki Kunoh, Syuji Matsumoto, Noriyuki Nagaoka, Shoko Kanashima, Katsuhiko Hino, Tetsuya Uchida, Katsunori Tamura, Hitoshi Kunoh, Jun Takada
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
Abstract Leptothrix species produce microtubular organic–inorganic materials that encase the bacterial cells. The skeleton of an immature sheath, consisting of organic exopolymer fibrils of bacterial origin, is formed first, then the sheath becomes
Externí odkaz:
https://doaj.org/article/b1692ae4352246f09ebe774aa38496cc
Autor:
Tomoko Suzuki, Tatsuki Kunoh, Daisuke Nakatsuka, Hideki Hashimoto, Katsunori Tamura, Hitoshi Kunoh, Jun Takada
Publikováno v:
Minerals, Vol 5, Iss 2, Pp 335-345 (2015)
The Leptothrix species, Fe-oxidizing bacteria, produce an extracellular, microtubular sheath with a complicated organic–inorganic hybrid nature. We have discovered diverse industrial functions for this material, e.g., electrode material for Li-ion
Externí odkaz:
https://doaj.org/article/b50f95d944e742f7a6b0964fb851fd58
Publikováno v:
Biology, Vol 4, Iss 1, Pp 50-66 (2015)
The genus Leptothrix, a type of Fe/Mn-oxidizing bacteria, is characterized by its formation of an extracellular and microtubular sheath. Although almost all sheaths harvested from natural aquatic environments are hollow, a few chained bacterial cells
Externí odkaz:
https://doaj.org/article/1e21def23ca043e195175f897bb545c3
Autor:
Hiromichi Ishihara, Hideki Hashimoto, Eisuke Taketa, Tomoko Suzuki, Kyoko Mandai, Hitoshi Kunoh, Jun Takada
Publikováno v:
Minerals, Vol 4, Iss 3, Pp 565-577 (2014)
This study aimed to manipulate the texture and elemental composition of the novel sheaths produced by the iron-oxidizing bacterium Leptothrix in culture by altering components of the medium. When previously isolated strain OUMS1 was cultured in media
Externí odkaz:
https://doaj.org/article/890a7721443c4b9c9d39345652e6acb7
Autor:
Jun Takada, Hitoshi Kunoh, Tomonori Shiraishi, Kazuhiro Toyoda, Hiromichi Ishihara, Tomoko Suzuki
Publikováno v:
Minerals, Vol 3, Iss 2, Pp 247-257 (2013)
The aquatic, Fe-oxidizing bacteria Leptothrix spp. produce uniquely shaped extracellular sheaths composed of organic bacterial polymers encrusted with inorganic elements from its aquatic environments. At the initial stage of sheath formation, bacteri
Externí odkaz:
https://doaj.org/article/e00d89c064f44658a1e4cb731b842b23
Publikováno v:
Minerals, Vol 3, Iss 1, Pp 73-81 (2013)
Early stages of sheath formation by Leptothrix sp. strain OUMS1 and its derivative sheathless mutant grown in media with or without Fe were examined by light and electron microscopy. Results showed that the initial parallel arrangement of fibrils exc
Externí odkaz:
https://doaj.org/article/7a0f672898d84ea48ad7ffe4035bc8b5
Autor:
Tomoko Suzuki, Hiromichi Ishihara, Mitsuaki Furutani, Tomonori Shiraishi, Hitoshi Kunoh, Jun Takada
Publikováno v:
Minerals, Vol 2, Iss 2, Pp 118-128 (2012)
Although some strains of Leptothrix spp. isolated from aquatic environments have been characterized by culturing them in laboratory conditions, they often show morphological and chemical features distinct from those found in natural environments. To
Externí odkaz:
https://doaj.org/article/7228a2dd7fae41f3ba92ab1e1ee66ff5
Autor:
Mitsuaki Furutani, Tomoko Suzuki, Hiromichi Ishihara, Hideki Hashimoto, Hitoshi Kunoh, Jun Takada
Publikováno v:
Minerals, Vol 1, Iss 1, Pp 157-166 (2011)
In an aquatic environment, the genus Leptothrix produces an extracellular Fe- or Mn-encrusted tubular sheath composed of a complex hybrid of bacterial exopolymers and aqueous-phase inorganic elements. This ultrastructural study investigated initial a
Externí odkaz:
https://doaj.org/article/67603e9ac7e14c1caf24ea012dde6f22
Autor:
Tatsuki Kunoh, Hideki Hashimoto, Ian R. McFarlane, Naoaki Hayashi, Tomoko Suzuki, Eisuke Taketa, Katsunori Tamura, Mikio Takano, Mohamed Y. El-Naggar, Hitoshi Kunoh, Jun Takada
Publikováno v:
Biology, Vol 5, Iss 2, p 26 (2016)
Bacteria classified in species of the genus Leptothrix produce extracellular, microtubular, Fe-encrusted sheaths. The encrustation has been previously linked to bacterial Fe oxidases, which oxidize Fe(II) to Fe(III) and/or active groups of bacterial
Externí odkaz:
https://doaj.org/article/d1734bbbd98540acba095ea9b8d059cc
Autor:
Tatsuki Kunoh, Hideki Hashimoto, Tomoko Suzuki, Naoyuki Hayashi, Katsunori Tamura, Mikio Takano, Hitoshi Kunoh, Jun Takada
Publikováno v:
Minerals, Vol 6, Iss 1, p 4 (2016)
Leptothrix species, one of the Fe/Mn-oxidizing bacteria, oxidize Fe(II) and produce extracellular, microtubuar, Fe-encrusted sheaths. Since protein(s) involved in Fe(II) oxidation is excreted from Leptothrix cells, the oxidation from Fe(II) to Fe(III
Externí odkaz:
https://doaj.org/article/e1e52aa9b3744c1a828abd6bcd609705