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    Reference Work Entry In depth

    Organic Matter BOD Biosensor Monitoring

    From a proposal of a microbial Biochemical Oxygen Demand (BOD) biosensor by Karube et al. in 1977, components (recognition elements, transducer, etc.) have so far been developed from various perspectives such ...

    Akihito Nakanishi, Wataru Yoshida, Isao Karube in Handbook of Cell Biosensors (2022)

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    Living Reference Work Entry In depth

    Organic Matter BOD Biosensor Monitoring

    From a proposal of a microbial Biochemical Oxygen Demand (BOD) biosensor by Karube et al. in 1977, components (recognition elements, transducer, etc.) have so far been developed from various perspectives such ...

    Akihito Nakanishi, Wataru Yoshida, Isao Karube in Handbook of Cell Biosensors

  3. Article

    Open Access

    Identification of G-quadruplex clusters by high-throughput sequencing of whole-genome amplified products with a G-quadruplex ligand

    G-quadruplex (G4) is a DNA secondary structure that has been found to play regulatory roles in the genome. The identification of G4-forming sequences is important to study the specific structure-function relat...

    Wataru Yoshida, Hiroki Saikyo, Kazuhiko Nakabayashi, Hitomi Yoshioka in Scientific Reports (2018)

  4. Article

    Open Access

    Identification of G-quadruplex structures that possess transcriptional regulating functions in the Dele and Cdc6 CpG islands

    G-quadruplex is a DNA secondary structure that has been shown to play an important role in biological systems. In a previous study, we identified 1998 G-quadruplex-forming sequences using a mouse CpG islands D...

    Daniyah H. Bay, Annika Busch, Fred Lisdat, Keisuke Iida in BMC Molecular Biology (2017)

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    Chapter

    Yeast Based Sensors

    Since the first microbial cell sensor was studied by Karube et al. in 1977, many types of yeast based sensors have been developed as analytical tools. Yeasts are known as facultative anaerobes. Facultative ana...

    Mifumi Shimomura-Shimizu, Isao Karube in Whole Cell Sensing Systems I (2010)

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    Chapter

    Applications of Microbial Cell Sensors

    Since the first microbial cell sensor was studied by Karube et al. in 1977, many types of microbial cell sensors have been developed as analytical tools. The microbial cell sensor utilizes microbes as a sensin...

    Mifumi Shimomura-Shimizu, Isao Karube in Whole Cell Sensing System II (2010)

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    Chapter

    Development of Microbial Sensors and Their Application

    Many types of microbial sensors have been developed as analytical tools since the first microbial sensor was studied by Karube et al. in 1977. The microbial sensor consists of a transducer and microbe ...

    Hideaki Nakamura, Mifumi Shimomura-Shimizu, Isao Karube in Biosensing for the 21st Century (2008)

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    Article

    PCR-Based Ribosomal DNA Detection Technique for Microalga (Heterosigma carterae) Causing Red Tide and Its Application to a Biosensor Using Labeled Probe

    A technique for detecting Raphidophycean, a bloom-forming genus of algae, was developed using a specific DNA probe. The design of the probe was based on a sequence polymorphism within the small subunit (SSU) ribo...

    Ryoichi Asai, Kozue Ootani, Yoko Nomura, Chikashi Nakamura in Marine Biotechnology (2003)

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    Article

    Current research activity in biosensors

    Biosensors consist of a molecular recognition element and a transducer. Since the first biosensor was developed by Updike and Hicks [1] many biosensors and their associated techniques have been studied and dev...

    Hideaki Nakamura, Isao Karube in Analytical and Bioanalytical Chemistry (2003)

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    Article

    Fructose-2,6-bisphosphate contents were increased in response to salt, water and osmotic stress in leaves of Bruguiera gymnorrhiza by differential changes in the activity of the bifunctional enzyme 6-phosphofructo-2-kinase/fructose-2,6-bisphosphate 2-phosphatase

    The steady-state level of 6-phosphofructo-2-kinase/fructose-2,6-bisphosphate 2-phosphatase (F6P2K/F26BPase) transcript has been found to be raised in the mangrove Bruguiera gymnorrhiza treated with 500 mM NaCl fo...

    Toshiaki Banzai, Nobutaka Hanagata, Zvy Dubinsky, Isao Karube in Plant Molecular Biology (2003)

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    Article

    Detection technique of asymmetric RT-PCR-based amplified single-stranded DNA and its application to biosensor for detection of mRNA for cyanobacteria, Anabaena variabilis

    A real-time detection technique for mRNA was developed using a specific DNA probe. The design of the probe was based on a sequence polymorphism within the expressed mRNA of Anabaena variabilis PCC 7120 by using t...

    Ryoichi Asai, Chikashi Nakamura, Kazunori Ikebukuro, Isao Karube in Biotechnology Letters (2002)

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    Article

    Molecular cloning and characterization of genes encoding BURP domain-containing protein in the mangrove, Bruguiera gymnorrhiza

    We cloned and characterized four independent genes encoding BURP domain-containing proteins from mangrove, Bruguiera gymnorrhiza, two as cDNA (BgBDC2 and BgBDC3) and the other two as genomic DNA (S2 and L3). The...

    Toshiaki Banzai, Kikuko Sumiya, Nobutaka Hanagata, Zvy Dubinsky, Isao Karube in Trees (2002)

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    Article

    Molecular characterization and response to salt stress of mRNAs encoding cytosolic Cu/Zn superoxide dismutase and catalase from Bruguiera gymnorrhiza

    To analyze the potential of the active oxygen-scavenging system of the cytosol in leaves of salt-stressed Bruguiera gymnorrhiza, we isolated a full-length cDNA encoding a 153-amino-acid sequence of cytosolic Cu/...

    Taro Takemura, Nobutaka Hanagata, Zvy Dubinsky, Isao Karube in Trees (2002)

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    Article

    Observation and Application of a Pattern in a DNA-Histone Mixture

    Satoshi Sasaki, Isao Karube in Analytical Sciences (2001)

  15. No Access

    Article

    Isolation of a bacterium from mangrove soil for degradation of sea sludge

    Sea sludge, which is sediment of fish excrement and sewage on the sea bottom, continues to be a serious environmental problem. It has the potential to cause eutrophication and red tide, resulting in the death ...

    Yoshihiro Ando, Naoya Mitsugi, Kazuyoshi Yano in Applied Biochemistry and Biotechnology (2001)

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    Article

    Sensor Chip Using a Plasma-polymerized Film for Surface Plasmon Resonance Biosensors: Reliable Analysis of Binding Kinetics

    Hitoshi Muguruma, Ryohei Nagata, Runa Nakamura, Kimiharu Sato in Analytical Sciences (2000)

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    Article

    Multifunctional Biocompatible Membrane and Its Application to Fabricate A Miniaturized Glucose Sensor with Potential for Use In Vivo

    A multifunctional membrane with biocompatibility, diffusion-limiting effect, and the ability to curtail the responses of an H2O2 electrode to ascorbate and urate was prepared. It was composed of MB, AB, and CTA, ...

    Chien-Yuan Chen, Kazuhiko Ishihara, Nobuo Nakabayashi in Biomedical Microdevices (1999)

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    Article

    Eicosapentaenoic acid release from the red alga Pachymeniopsis lanceolata by enzymatic degradation

    Forty-eight species of seaweeds from Japanese waters were screened for the valuable polyunsaturated fatty acids eicosapentaenoic acid (EPA). The eight species that contained the highest levels of these compoun...

    Ritsuko Matsukawa, Kiyotaka Hatakeda, Shota Ito in Applied Biochemistry and Biotechnology (1999)

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    Article

    Purification of single stranded DNA from asymmetric PCR product using the SMART system

    A method has been developed using the SMART system for the purification of single stranded DNA from a mixture containing single- and double-stranded DNA amplified using asymmetric PCR. The asymmetric PCR produ...

    Eriko Kai, Koichi Sumikura, Kazunori Ikebukuro, Isao Karube in Biotechnology Techniques (1998)

  20. No Access

    Article

    Enhanced eicosapentaenoic acid production by Navicula saprophila

    Changes in the eicosapentaenoic acid (EPA) content of Navicula saprophila grown photoautotrophically and mixotrophically with the addition of acetate were examined in terms of their growth progress. Among four...

    Makoto Kitano, Ritsuko Matsukawa, Isao Karube in Journal of Applied Phycology (1998)

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