Search Results:　 1-20 of 1802

1

Seasonal phosphorus depletion and microbial responses to the change in phosphorus availability in a subarctic coastal environment

Yoshimura Takeshi , Kudo Isao

… Temporal variations of phosphorus (P) pools (soluble reactive P (SRP), dissolved organic P (DOP), and particulate P (PP)), alkaline phosphatase activity (APA), and orthophosphate uptake were measured in Funka Bay to describe the annual P cycle in the bay and determine the phytoplankton and bacterial responses to the change in P availability. …

Marine Chemistry 126(1-4), 182-192, 2011-09-20

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2

Effects of amines and aminoalcohols on bovine intestine alkaline phosphatase activity

Sekiguchi Satoshi , Hashida Yasuhiko , Yasukawa Kiyoshi , Inouye Kuniyo

… In this study, we evaluated the effects of various aminoalcohols and amines on the activity of BIALP in the hydrolysis of p-nitrophenyl phosphate (pNPP) at pH 9.8, at 20 °C. …

Enzyme and Microbial Technology 49(2), 171-176, 2011-07

IR CrossRef
3

Culturable bacteria in hydroponic cultures of moss Racomitrium japonicum and their potential as biofertilizers for moss production(MICROBIAL PHYSIOLOGY AND BIOTECHNOLOGY)

Tani Akio , Akita Motomu , Murase Haruhiko , Kimbara Kazuhide

… The isolates were biochemically characterized according to their type of interaction with plants, i.e., production of auxin, siderophores, or hydrogen cyanate, growth in the absence of an added nitrogen source, calcium phosphate solubilization, utilization of sugars, polymers, or aliphatic compounds, and antifungal activity. …

Journal of bioscience and bioengineering 112(1), 32-39, 2011-07

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4

Acetate-glycerol cometabolism: Cultivating Schizosaccharomyces pombe on a non-fermentable carbon source in a defined minimal medium(MICROBIAL PHYSIOLOGY AND BIOTECHNOLOGY)

Klement Tobias , Dankmeyer Lydia , Hommes Ronald , van Solingen Piet , Buchs Jochen

… pombe showed optimal respiration activity, growth, and product formation by co-utilizing 20g/L glycerol and 2.5g/L sodium acetate. …

Journal of bioscience and bioengineering 112(1), 20-25, 2011-07

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5

Inhibitory Effects on Microbial Growth Using the Derivatives of Benzyl Phenyl Sulfide

HATANO AKIHIKO , OKADA MUNEHIRO , SHIMAZAKI KEI , UEHARA SANAE , ISHIKAWA YUTA , MATSUMOTO ARATA , FUJITA YUDAI , NISHIMURA MAKOTO

… We investigated the antimicrobial activities of twelve derivatives of benzyl phenyl sulfide by using Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC) values against 10 microbial strains. … MIC testing revealed that all synthetic derivatives of benzyl and 4-methoxybenzyl phenyl sulfides had no effect against the tested microbial strains. … However, the compounds of 4-nitrobenzyl phenyl sulfide showed antimicrobial activity against many of the tested strains. …

Biocontrol Science 16(2), 63-67, 2011-06-10

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6

Roles of Pseudomonas aeruginosa Autoinducers and their Degradation Products, Tetramic acids, in Bacterial Survival and Behavior in Ecological Niches

HOSONO HONDA NATSUE , KIMURA SOICHIRO , TATEDA KAZUHIRO , HORIKAWA MANABU , UEDA CHIHIRO , ISHII YOSHIKAZU , ISHIGURO MASAJI , MIYAIRI SHINICHI , YAMAGUCHI KEIZO

… aeruginosa autoinducers and the tetramic acid derivatives were chemically synthesized, and the structure-activity correlation was investigated. … The smaller the inoculum of bacteria, the stronger the bactericidal activity that was observed. … The data from tetramic acid derivatives indicated the keto-enol structure of tetramic acid to be critical for the antibacterial activity. …

Microbes and Environments 26(2), 160-164, 2011-06-01

J-STAGE CrossRef References (40)
7

Actinomycete Nonomuraea sp. isolated from Indonesian soil is a new producer of inulin fructotransferase(MICROBIAL PHYSIOLOGY AND BIOTECHNOLOGY)

Pudjiraharti Sri , Takesue Nobuchika , Katayama Taiki , Lisdiyanti Puspita , Hanafi Muhamad , Tanaka Michiko , Sone Teruo , Asano Kozo

… An actinomycete that excretes inulin fructotransferase to the culture supernatant was able to produce di-D-fructofuranose 1,2':2,3' dianhydride (DFA III) from inulin, with the greatest rate of enzyme activity at 65℃ and at a pH of 5.5. …

Journal of bioscience and bioengineering 111(6), 671-674, 2011-06

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8

Immobilization of alkaline phosphatase on magnetic particles by site-specific and covalent cross-linking catalyzed by microbial transglutaminase(ENZYMOLOGY, PROTEIN ENGINEERING, AND ENZYME TECHNOLOGY)

Moriyama Kousuke , Sung Kyunga , Goto Masahiro , Kamiya Noriho

… Bacterial alkaline phosphatase (BAP) was site-specifically and covalently immobilized on magnetic particles (MPs) using the enzymatic reaction of microbial transglutaminase (MTG). … Immobilization efficiency was affected by the chemical surface treatment of MPs and immobilized BAP exhibited more than 90% of the initial activity after 10 rounds of recycling. …

Journal of bioscience and bioengineering 111(6), 650-653, 2011-06

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9

Role of ComFA in controlling the DNA uptake rate during transformation of competent Bacillus subtilis(GENETICS, MOLECULAR BIOLOGY, AND GENE ENGINEERING)

Takeno Masaomi , Taguchi Hisataka , Akamatsu Takashi

… Walker A mutants showed 1.8-19×10^<-4>RET, suggesting a dependence on ATPase activity for transformation. …

Journal of bioscience and bioengineering 111(6), 618-623, 2011-06

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10

A [Lys^<49>]phospholipase A_2 from Protobothrops flavoviridis Venom Induces Caspase-Independent Apoptotic Cell Death Accompanied by Rapid Plasma-Membrane Rupture in Human Leukemia Cells

MURAKAMI Tatsuo , KAMIKADO Nobuyuki , FUJIMOTO Ryo , HAMAGUCHI Kazuhiko , NAKAMURA Hitomi , CHIJIWA Takahito , OHNO Motonori , ODA UEDA Naoko

… PLA2, an [Asp49]PLA2 that has much stronger lipolytic activity than BPII, failed to induce cell death. … Since inactive p-bromophenacylated BPII induced cell death, BPII-induced apoptotic cell death is independent of PLA2 lipolytic activity. …

Bioscience, Biotechnology, and Biochemistry 75(5), 864-870, 2011-05-23

J-STAGE CrossRef References (50)
11

Production of 5-aminolevulinic acid by Propionibacterium acidipropionici TISTR442(MICROBIAL PHYSIOLOGY AND BIOTECHNOLOGY)

Kiatpapan Pornpimon , Phonghatsabun Manthana , Yamashita Mitsuo , Murooka Yoshikatsu , Panbangred Watanalai

… ALA production correlated with ALA synthase activity, whereas ALA dehydratase activity was maintained at a low level. …

Journal of bioscience and bioengineering 111(4), 425-428, 2011-04

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12

Loss of Aspergillus oryzae amyR function indirectly affects hemicellulolytic and cellulolytic enzyme production(MICROBIAL PHYSIOLOGY AND BIOTECHNOLOGY)

Watanabe Jun , Tanaka Hisaki , Mogi Yoshinobu , Yamazaki Tatsuo , Suzuki Kazushi , Watanabe Takeshi , Yamada Osamu , Akita Osamu

… however, its amylase activity was found to be much lower. … Amylase activity in AB390 was hardly detectable and not affected by the carbon source utilized. … Complementation of AB390 with the wild-type amyR reduced hemicellulase and cellulase activities and increased amylase activity in soy sauce koji, the mold responsible for giving soy sauce. …

Journal of bioscience and bioengineering 111(4), 408-413, 2011-04

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13

Degradation of Fat during Composting and Isolation of Fat-Degrading Bacteria, Geobacillus pallidus Strain L33-1 [in Japanese]

MATSUMURA Hidenori , SASAKI Masahiro , TOKUNOU Yuhki , ABE Michiharu , NAKASAKI Kiyohiko

本研究では，油分が活発に分解されているコンポスト化の過程で働く油分解菌を単離することを目的とし，油分としてラードを添加したコンポスト化を行った。PCR-DGGE法を用いて微生物叢の変化を測定した結果，油分が良好に分解されているときに特徴的な微生物としてGeobacillus pallidusに由来するバンドの存在を確認した。引き続いてこのバンドに対応する微生物としてコンポスト中よりG. palli …

Journal of the Japan Society of Material Cycles and Waste Management 22(2), 141-148, 2011-03-31

J-STAGE CrossRef References (19)
14

Antioxidative Activity of Microbial Metabolites of (-)-Epigallocatechin Gallate Produced in Rat Intestines

TAKAGAKI Akiko , OTANI Shuichi , NANJO Fumio

… All of the metabolites were found to have antioxidative activity, suggesting that the EGCg metabolites may show antioxidative activity in the body. …

Bioscience, Biotechnology, and Biochemistry 75(3), 582-585, 2011-03-23

J-STAGE Ichushi Web CrossRef References (18)
15

Face Masks [in Japanese]

OTSUKI Koichi

防菌防黴 = Journal of antibacterial and antifungal agents 39(3), 175-183, 2011-03-10

Ichushi Web References (6)
16

Structure-Activity Relationship of Marinostatin, an Ester-Linked Serine Protease Inhibitor

TAICHI Misako , YAMAZAKI Toshimasa , KAWAHARA Kazuki , NAKAMURA Shota , MOTOOKA Daisuke , TESHIMA Tadashi , OHKUBO Tadayasu , KOBAYASHI Yuji , NISHIUCHI Yuji

Peptide science : proceedings of the ... Japanese Peptide Symposium 2010, 52, 2011-03-01

References (4)
17

Production and Antioxidative Activity of Mead Made from Various Types of Honey and Black Rice (Oryza sativa var.Indica cv. Shiun)

KATOH Takanori , KOGUCHI Masanori , SAIGUSA Noriaki , TERAMOTO Yuji

… Mead was made from various types of honey and black rice grains in order to brew a red alcoholic beverage with antioxidative activity. … The concentration of total phenolic compounds ranged from 200 to 300 μg/mL as gallic acid equivalent, while DPPH (1,1-diphenyl-2-picrylhydrazyl) radical scavenging activity ranged from 800 to 870 μM as Trolox (6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid) equivalent. …

Food Science and Technology Research 17(2), 149-154, 2011-03-01

J-STAGE CrossRef References (10)
18

Inactivation of Bacteria in Freshwater by Momentary Decompression Following High Pressurization

BABA TAKASHI , YAMAGUCHI NOBUYASU , TANI KATSUJI , NASU MASAO

… These findings suggest that repeated cycles of momentary decompression following high pressurization enabled a marked decrease in bacterial growth activity. …

Microbes and Environments 26(1), 92-94, 2011-03-01

J-STAGE CrossRef References (13)
19

Diversity of Culturable Chitinolytic Bacteria from Rhizospheres of Agronomic Plants in Japan

SOMEYA NOBUTAKA , IKEDA SEISHI , MOROHOSHI TOMOHIRO , NOGUCHI TSUJIMOTO MASAKO , YOSHIDA TAKANOBU , SAWADA HIROYUKI , IKEDA TSUKASA , TSUCHIYA KENICHI

… Considering the potential antagonistic activity of chitinolytic enzymes against phytopathogenic fungi, which is exhibited by fungal cell wall degradation, the above-mentioned native chitinolytic bacteria in rhizospheres could potentially be utilized for the biological control of soil-borne phytopathogenic fungi. …

Microbes and Environments 26(1), 7-14, 2011-03-01

J-STAGE CrossRef References (46)
20

Contribution of Anammox Bacteria to Benthic Nitrogen Cycling in a Mangrove Forest and Shrimp Ponds, Haiphong, Vietnam

AMANO TERUKI , YOSHINAGA IKUO , YAMAGISHI TAKAO , VAN THUOC CHU , THU PHAM THE , UEDA SHINGO , KATO KENJI , SAKO YOSHIHIKO , SUWA YUICHI

… In this study, we investigated anaerobic ammonium oxidation (anammox) as one of potentially important microbial N-removing pathways in mangrove and shrimp pond sediment in Haiphong, Vietnam. … The rate of potential anammox activity reached to 0.7 nmol-N2 cm-3 h-1, although the contribution of anammox was less significant than denitrification. …

Microbes and Environments 26(1), 1-6, 2011-03-01

J-STAGE CrossRef References (37)

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