Search Results - "OKAI, Masahiko"

Isolation and characterization of benzo[a]pyrene-degrading bacteria from the Tokyo Bay area and Tama River in Japan by Okai, Masahiko, Kihara, Ikumi, Yokoyama, Yuto, Ishida, Masami, Urano, Naoto

“…Abstract Benzo[a]pyrene (BaP) is one of the polycyclic aromatic hydrocarbons, and has serious detrimental effects on human health and aquatic environments. In…”
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A novel property of fWap65-2, the warm temperature acclimation-related 65-kDa protein from pufferfish Takifugu rubripes, as an antitrypsin by Nagashima, Yuji, Zhang, Guo Hua, Sato, Kosuke, Ishizaki, Shoichiro, Kitani, Yoichiro, Okai, Masahiko

“…Protease inhibitors are widely distributed in the skin mucus of fish. The pufferfish, family Tetraodontidae, has high antitryptic activity among fish. In this…”
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Calaxin drives sperm chemotaxis by Ca²⁺-mediated direct modulation of a dynein motor by Mizuno, Katsutoshi, Shiba, Kogiku, Okai, Masahiko, Takahashi, Yusuke, Shitaka, Yuji, Oiwa, Kazuhiro, Tanokura, Masaru, Inaba, Kazuo

“…Sperm chemotaxis occurs widely in animals and plants and plays an important role in the success of fertilization. Several studies have recently demonstrated…”
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Heterologous expression and functional characterization of cysteamine dioxygenase from the deep-sea mussel Bathymodiolus septemdierum by Yoda, Kotaro, Takagi, Toshiyuki, Koito, Tomoko, Okai, Masahiko, Makita, Hiroko, Mitsunobu, Satoshi, Yoshida, Takao, Inoue, Koji

“…In invertebrates inhabiting hydrothermal vent areas, hypotaurine, a precursor of taurine, is thought to mitigate the toxicity of hydrogen sulfide in vent…”
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Enzymatic properties and the gene structure of a cold-adapted laminarinase from Pseudoalteromonas species LA by Mitsuya, Daisuke, Sugiyama, Takuya, Zhang, Shuo, Takeuchi, Yo, Okai, Masahiko, Urano, Naoto, Ishida, Masami

“…We isolated a laminarin-degrading cold-adapted bacterium strain LA from coastal seawater in Sagami Bay, Japan and identified it as a Pseudoalteromonas species…”
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A new target region for changing the substrate specificity of amine transaminases by Guan, Li-Jun, Ohtsuka, Jun, Okai, Masahiko, Miyakawa, Takuya, Mase, Tomoko, Zhi, Yuehua, Hou, Feng, Ito, Noriyuki, Iwasaki, Akira, Yasohara, Yoshihiko, Tanokura, Masaru

“…( R )-stereospecific amine transaminases ( R -ATAs) are important biocatalysts for the production of ( R )-amine compounds in a strict stereospecific manner…”
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Q301P mutant of Vibrio PR protease affects activities under low-temperature and high-pressure conditions by Okai, Masahiko, Onoue, Chiori, Tsuda, Ryo, Ishigami, Chihiro, Yoshida-Mishima, Chie, Urano, Naoto, Kato, Chiaki, Ishida, Masami

“…We characterized a protease of the M4 family from the cold-adapted Vibrio sp. Pr21 that was isolated from seawater at 320-m deep in Sagami Bay, Japan, and…”
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Crystal structure of the novel haloalkane dehalogenase DatA from Agrobacterium tumefaciens C58 reveals a special halide-stabilizing pair and enantioselectivity mechanism by Guan, Lijun, Yabuki, Hideya, Okai, Masahiko, Ohtsuka, Jun, Tanokura, Masaru

“…A novel haloalkane dehalogenase DatA from Agrobacterium tumefaciens C58 belongs to the HLD-II subfamily and hydrolyzes brominated and iodinated compounds,…”
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Antibiotic-resistance of Fecal Coliforms at the Bottom of the Tama River, Tokyo by OKAI, MASAHIKO, AOKI, HANAKO, ISHIDA, MASAMI, URANO, NAOTO

“…We investigated the midstream bottom of the Tama River, which flows through Tokyo, to evaluate the occurrence and degree of antibiotic-resistant fecal…”
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Primary Structure and Conformation of a Tetrodotoxin-Binding Protein in the Hemolymph of Non-Toxic Shore Crab Hemigrapsus sanguineus by Nagashima, Yuji, Fujimoto, Kenta, Okai, Masahiko, Kitani, Yoichiro, Yoshinaga-Kiriake, Aya, Ishizaki, Shoichiro

“…Tetrodotoxin (TTX)-binding proteins are present in toxic TTX-bearing animals, such as pufferfish and gastropods. These may prevent autotoxicity. However,…”
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Crystal Structure and Site-Directed Mutagenesis Analyses of Haloalkane Dehalogenase LinB from Sphingobium sp. Strain MI1205 by Okai, Masahiko, Ohtsuka, Jun, Imai, Lica Fabiana, Mase, Tomoko, Moriuchi, Ryota, Tsuda, Masataka, Nagata, Koji, Nagata, Yuji, Tanokura, Masaru

“…The enzymes LinBUT and LinBMI (LinB from Sphingobium japonicum UT26 and Sphingobium sp. MI1205, respectively) catalyze the hydrolytic dechlorination of…”
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Neutralization of acidic drainage by Cryptococcus sp. T1 immobilized in alginate beads by Okai, Masahiko, Suwa, Chisato, Nagaoka, Shintaro, Obara, Nobuo, Mitsuya, Daisuke, Kurihara, Ayako, Ishida, Masami, Urano, Naoto

“…We isolated Cryptococcus sp. T1 from Lake Tazawa's acidic water in Japan. Cryptococcus sp. T1 neutralized an acidic casamino acid solution (pH 3.0) and…”
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Association between uncooperativeness and the glucose metabolism of patients with chronic behavioral disorders after severe traumatic brain injury: a cross-sectional retrospective study by Yamaki, Tomohiro, Suzuki, Kosuke, Sudo, Yusuke, Niitsu, Tomihisa, Okai, Masahiko, Oka, Nobuo, Odaki, Masaru

“…Patients with behavioral disorders following severe traumatic brain injury (sTBI) often have disorders of consciousness that make expressing their emotional…”
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Draft Genome Sequence of a Benzo[a]pyrene-Degrading Bacterium, Olleya sp. Strain ITB9 by Okai, Masahiko, Watanabe, Akihiro, Ishida, Masami, Urano, Naoto

“…Olleya sp. ITB9 is a benzo[a]pyrene-degrading bacterium, isolated from surface water near a waste treatment plant at Tokyo Bay, Japan. Here, we present the…”
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High pressure refolding, purification, and crystallization of flavin reductase from Sulfolobus tokodaii strain 7 by Okai, Masahiko, Ohtsuka, Jun, Asano, Atsuko, Guo, Linjun, Miyakawa, Takuya, Miyazono, Ken-ichi, Nakamura, Akira, Okada, Akitoshi, Zheng, Hai, Kimura, Kenzo, Nagata, Koji, Tanokura, Masaru

“…► High pressure was used for refolding of flavin reductase HpaCSt. ► The refolded HpaCSt did not contain FMN. ► Crystals of the refolded HpaCSt were obtained…”
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Crystal Structures of the Short-Chain Flavin Reductase HpaC from Sulfolobus tokodaii Strain 7 in Its Three States:  NAD(P)+-Free, NAD+-Bound, and NADP+-Bound by Okai, Masahiko, Kudo, Norio, Lee, Woo Cheol, Kamo, Masayuki, Nagata, Koji, Tanokura, Masaru

“…4-Hydroxyphenylacetate (4-HPA) is oxidized as an energy source by two component enzymes, the large component (HpaB) and the small component (HpaC). HpaB is a…”
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Molecular Mechanism of Distinct Salt-Dependent Enzyme Activity of Two Halophilic Nucleoside Diphosphate Kinases by Yamamura, Akihiro, Ichimura, Takefumi, Kamekura, Masahiro, Mizuki, Toru, Usami, Ron, Makino, Tsukasa, Ohtsuka, Jun, Miyazono, Ken-ichi, Okai, Masahiko, Nagata, Koji, Tanokura, Masaru

“…Nucleoside diphosphate kinases from haloarchaea Haloarcula quadrata (NDK-q) and H. sinaiiensis (NDK-s) are identical except for one out of 154 residues, i.e.,…”
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Simple and Rapid Detection of ESBL blaSHV gene from an Urban River in Tokyo by Loop-Mediated Isothermal Amplification by OKAI, MASAHIKO, ENDO, RINTARO, TAKASHIO, MASACHIKA, ISHIDA, MASAMI, URANO, NAOTO

“…Extended-spectrum β-lactamases (ESBLs) are produced mainly by gram-negative bacteria in Enterobacteriaceae. One of the major types of ESBLs is sulfhydryl…”
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Comparison of Benzo［a］pyrene-Degrading Activities between Olleya sp. ITB9 Isolated from Tokyo Bay and Other Type Strains of the Genus Olleya by URANO, NAOTO, MATSUSHIMA, AYA, YAMAMOTO, SHIONE, ENDO, RINTARO, ISHIDA, MASAMI, OKAI, MASAHIKO, TAKEI, TOSHINORI, TAKASHIO, MASACHIKA

“…Benzo［a］pyrene (BaP) is one of the strongest carcinogenic compounds among polycyclicaromatic hydrocarbons (PAHs) .We previously identified the ITB9 strain of…”
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Crystal structure of dibenzothiophene sulfone monooxygenase BdsA from Bacillus subtilis WU‐S2B by Okai, Masahiko, Lee, Woo Cheol, Guan, Li‐Jun, Ohshiro, Takashi, Izumi, Yoshikazu, Tanokura, Masaru

“…ABSTRACT The dibenzothiophene (DBT) sulfone monooxygenase BdsA from Bacillus subtilis WU‐S2B catalyzes the conversion of DBT sulfone to 2′‐hydroxybiphenyl…”
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