Tokyo University of Fisheries

Summary

Organization: Tokyo University of Fisheries
Country: Japan

Top Publications

  1. ncbi Iron-regulated haemolysin gene from Edwardsiella tarda
    I Hirono
    Department of Aquatic Biosciences, Tokyo University of Fisheries, Minato ku, Japan
    Mol Microbiol 24:851-6. 1997
  2. ncbi Elevated serum vitellogenin levels and gonadal abnormalities in wild male flounder (Pleuronectes yokohamae) from Tokyo Bay, Japan
    S Hashimoto
    Department of Ocean Sciences, Tokyo University of Fisheries, 4 5 7 Konan, Minato ku, Tokyo 108 8477, Japan
    Mar Environ Res 49:37-53. 2000
  3. ncbi Establishment of a sampling strategy for the use of blue mussels as an indicator of organotin contamination in the coastal environment
    K Shindo
    Department of Marine Science and Technology, Tokyo University of Fisheries, 4 5 7 Konan, Minato ku, Tokyo 108, Japan
    J Environ Monit 1:243-50. 1999
  4. ncbi Histamine formation by Tetragenococcus muriaticus, a halophilic lactic acid bacterium isolated from fish sauce
    B Kimura
    Department of Food Science and Technology, Tokyo University of Fisheries, Japan
    Int J Food Microbiol 70:71-7. 2001
  5. ncbi Properties of proteinaceous toxins in the salivary gland of the marine gastropod (Monoplex echo)
    Kazuo Shiomi
    Department of Food Science and Technology, Tokyo University of Fisheries, Konan 4, Minato ku, 108 8477, Tokyo, Japan
    Toxicon 40:563-71. 2002
  6. ncbi A novel protein toxin from the deadly box jellyfish (Sea Wasp, Habu-kurage) Chiropsalmus quadrigatus
    Hiroshi Nagai
    Suntory Institute for Bioorganic Research, Mishima, Osaka, Japan
    Biosci Biotechnol Biochem 66:97-102. 2002
  7. ncbi Fractal analysis of ice crystals in frozen food
    Tomoaki Hagiwara
    Department of Food Science and Technology, Tokyo University of Fisheries, 4 5 7 Konan, Minato ku, Tokyo 108 8477, Japan
    J Agric Food Chem 50:3085-9. 2002
  8. ncbi Novel proteinaceous toxins from the nematocyst venom of the Okinawan sea anemone Phyllodiscus semoni Kwietniewski
    Hiroshi Nagai
    Suntory Institute for Bioorganic Research, 1 1 1 Wakayamadai, Shimamoto, Mishima, Osaka 618 8503, Japan
    Biochem Biophys Res Commun 294:760-3. 2002
  9. ncbi Effective structure of a leader open reading frame for enhancing the expression of GC-rich genes
    Masami Ishida
    Laboratory of Marine Biochemistry, Tokyo University of Fisheries, 4 5 7 Konan, Minato ku, Tokyo 108 8477, Japan
    J Biochem 132:63-70. 2002
  10. ncbi A tetrodotoxin-binding protein in the hemolymph of shore crab Hemigrapsus sanguineus: purification and properties
    Yuji Nagashima
    Department of Food Science and Technology, Tokyo University of Fisheries, Konan, Minato, Tokyo 108 8477, Japan
    Toxicon 40:753-60. 2002

Scientific Experts

Detail Information

Publications36

  1. ncbi Iron-regulated haemolysin gene from Edwardsiella tarda
    I Hirono
    Department of Aquatic Biosciences, Tokyo University of Fisheries, Minato ku, Japan
    Mol Microbiol 24:851-6. 1997
    ..The ethA and ethB genes were very prevalent in haemolytic E. tarda strains isolated from diseased fish. Transcription of the ethB gene was regulated by iron. The ethA and ethB genes were transcribed independently...
  2. ncbi Elevated serum vitellogenin levels and gonadal abnormalities in wild male flounder (Pleuronectes yokohamae) from Tokyo Bay, Japan
    S Hashimoto
    Department of Ocean Sciences, Tokyo University of Fisheries, 4 5 7 Konan, Minato ku, Tokyo 108 8477, Japan
    Mar Environ Res 49:37-53. 2000
    ..This study suggests that the abnormally high levels of VTG and the presence of oocytes in the testis of male flounder collected from Tokyo Bay could be the effect of environmental estrogens...
  3. ncbi Establishment of a sampling strategy for the use of blue mussels as an indicator of organotin contamination in the coastal environment
    K Shindo
    Department of Marine Science and Technology, Tokyo University of Fisheries, 4 5 7 Konan, Minato ku, Tokyo 108, Japan
    J Environ Monit 1:243-50. 1999
    ..For monitoring sites where natural blue mussels cannot be collected, an alternative method of transplanting blue mussels from a relatively clean area would be required...
  4. ncbi Histamine formation by Tetragenococcus muriaticus, a halophilic lactic acid bacterium isolated from fish sauce
    B Kimura
    Department of Food Science and Technology, Tokyo University of Fisheries, Japan
    Int J Food Microbiol 70:71-7. 2001
    ..A conspicuous amount of histamine accumulated only during the late stationary phase regardless of the growth conditions. Studies of cell suspension experiments confirmed the results obtained from cultured cells...
  5. ncbi Properties of proteinaceous toxins in the salivary gland of the marine gastropod (Monoplex echo)
    Kazuo Shiomi
    Department of Food Science and Technology, Tokyo University of Fisheries, Konan 4, Minato ku, 108 8477, Tokyo, Japan
    Toxicon 40:563-71. 2002
    ..It is thus concluded that echotoxins injected into mice induce rapid hemolysis by binding to receptors (possibly gangliosides) gangliosides in the erythrocyte membrane, eventually leading to death of mice...
  6. ncbi A novel protein toxin from the deadly box jellyfish (Sea Wasp, Habu-kurage) Chiropsalmus quadrigatus
    Hiroshi Nagai
    Suntory Institute for Bioorganic Research, Mishima, Osaka, Japan
    Biosci Biotechnol Biochem 66:97-102. 2002
    ..The deduced amino acid sequence of CqTX-A (462 amino acids) showed 25.2% and 21.6% sequence similarity to Carybdea rastoni toxins (CrTXs) and Carybdea alata toxin-A (CrTX-A), respectively, which are Cubozoan jellyfish toxins...
  7. ncbi Fractal analysis of ice crystals in frozen food
    Tomoaki Hagiwara
    Department of Food Science and Technology, Tokyo University of Fisheries, 4 5 7 Konan, Minato ku, Tokyo 108 8477, Japan
    J Agric Food Chem 50:3085-9. 2002
    ....
  8. ncbi Novel proteinaceous toxins from the nematocyst venom of the Okinawan sea anemone Phyllodiscus semoni Kwietniewski
    Hiroshi Nagai
    Suntory Institute for Bioorganic Research, 1 1 1 Wakayamadai, Shimamoto, Mishima, Osaka 618 8503, Japan
    Biochem Biophys Res Commun 294:760-3. 2002
    ..The N-terminal amino acid sequence of PsTX-60B showed homology with that of PsTX-60A. These toxins represent a novel class of cytolytic proteinaceous toxins...
  9. ncbi Effective structure of a leader open reading frame for enhancing the expression of GC-rich genes
    Masami Ishida
    Laboratory of Marine Biochemistry, Tokyo University of Fisheries, 4 5 7 Konan, Minato ku, Tokyo 108 8477, Japan
    J Biochem 132:63-70. 2002
    ..Using the most effective leader ORF obtained from these results, new expression vectors were constructed...
  10. ncbi A tetrodotoxin-binding protein in the hemolymph of shore crab Hemigrapsus sanguineus: purification and properties
    Yuji Nagashima
    Department of Food Science and Technology, Tokyo University of Fisheries, Konan, Minato, Tokyo 108 8477, Japan
    Toxicon 40:753-60. 2002
    ....
  11. ncbi Overexpression in Escherichia coli of the AT-rich trpA and trpB genes from the hyperthermophilic archaeon Pyrococcus furiosus
    Masami Ishida
    Laboratory of Marine Biochemistry, Tokyo University of Fisheries, Konan 4, Minato ku, Tokyo 108 8477, Japan
    FEMS Microbiol Lett 216:179-83. 2002
    ..The expression of the trpA gene was also improved ( approximately 1.5-fold). This approach may be useful for overexpressing various kinds of AT-rich genes...
  12. ncbi An epidermal growth factor-like toxin and two sodium channel toxins from the sea anemone Stichodactyla gigantea
    Kazuo Shiomi
    Department of Food Science and Technology, Tokyo University of Fisheries, Konan 4, Minato ku, 108 8477, Tokyo, Japan
    Toxicon 41:229-36. 2003
    ..Gigantoxin I is the first example of EGF-like toxins of natural origin...
  13. ncbi A new polypeptide toxin from the nematocyst venom of an Okinawan sea anemone Phyllodiscus semoni (Japanese name "unbachi-isoginchaku")
    Hiroshi Nagai
    Suntory Institute for Bioorganic Research, 1 1 1 Wakayamadai, Shimamoto, Mishima, Osaka 618 8503, Japan
    Biosci Biotechnol Biochem 66:2621-5. 2002
    ..PsTX-20A showed lethal toxicity to the shrimp Palaemon paucidens when administered via intraperitoneal injection (LD50, 50 microg/kg) and hemolytic activity toward 0.8% sheep red blood cells (ED50, 80 ng/ml)...
  14. ncbi In vitro accumulation of tetrodotoxin in pufferfish liver tissue slices
    Yuji Nagashima
    Department of Food Science and Technology, Tokyo University of Fisheries, Konan, Minato, Tokyo 108 8477, Japan
    Toxicon 41:569-74. 2003
    ..These results suggest that the difference in the accumulation of TTX between pufferfish and filefish livers is ascribable to the difference not in the TTX excreting ability but in the ability to take up TTX...
  15. ncbi Purification and characterization of an antibacterial protein in the skin secretion of rockfish Sebastes schlegeli
    Y Nagashima
    Department of Food Science and Technology, Tokyo University of Fisheries, Minato, 108 8477, Tokyo, Japan
    Comp Biochem Physiol C Toxicol Pharmacol 136:63-71. 2003
    ..The potent sensitivity against virulent pathogens such as A. hydrophila, A. salmonicida and P. damselae may contribute considerably to the innate host defense mechanism to combat microbes on the mucosal surfaces of the rockfish...
  16. ncbi Three new chlorine containing antibiotics from a marine-derived fungus Aspergillus ostianus collected in Pohnpei
    Michio Namikoshi
    Department of Ocean Sciences, Tokyo University of Fisheries, Minato ku, Tokyo 108 8477, Japan
    J Antibiot (Tokyo) 56:755-61. 2003
    ..Compound 1 inhibited the growth of R. atlantica at 5 microg/disc (inhibition zone: 12.7 mm), while 2 and 3 were active at 25 microg/disc (10.1 and 10.5 mm, respectively)...
  17. ncbi Isolation and characterization of halophilic lactic acid bacteria isolated from "terasi" shrimp paste: a traditional fermented seafood product in Indonesia
    Takeshi Kobayashi
    Department of Food Science and Technology, Tokyo University of Fisheries, Minato ku, Tokyo 108 8477, Japan
    J Gen Appl Microbiol 49:279-86. 2003
    ..This study is the first to show that both species of Tetragenococcus are distributed in Indonesian fermented foods...
  18. ncbi Heat-induced germ cell deficiency in the teleosts Odontesthes bonariensis and Patagonina hatcheri
    C A Strüssmann
    Department of Aquatic Biosciences, Tokyo University of Fisheries, Japan
    Comp Biochem Physiol A Mol Integr Physiol 119:637-44. 1998
    ..The potential implications of these findings for physiological, ecological, and environmental studies and the usefulness of heat-induced germ cell-deficient fish in research and animal production are discussed...
  19. pmc Rapid, quantitative PCR monitoring of growth of Clostridium botulinum type E in modified-atmosphere-packaged fish
    B Kimura
    Tokyo University of Fisheries, Department of Food Science and Technology, Tokyo 108 8477, Japan
    Appl Environ Microbiol 67:206-16. 2001
    ..These results suggested that quantification of BoNT/E DNA by the rapid, quantitative PCR method was a good method for the sensitive assessment of botulinal risk in the seafood samples tested...
  20. ncbi Expressed sequence tags of medaka (Oryzias latipes) liver mRNA
    I Hirono
    Department of Aquatic Biosciences, Tokyo University of Fisheries, Japan
    Mol Mar Biol Biotechnol 6:345-50. 1997
    ..Sequences of 10 of the 18 clones had not previously been reported in fish. The codon usage of medaka genes is similar to that of Xenopus, mouse, and human genes, but not similar to that of yeast and Escherichia coli genes...
  21. ncbi Seven new microcystins possessing two L-glutamic acid units, isolated from Anabaena sp. strain 186
    M Namikoshi
    Department of Ocean Sciences, Tokyo University of Fisheries, Japan
    Chem Res Toxicol 11:143-9. 1998
    ..These microcystins are the first examples containing dicarboxylic amino acids at the two variable L-amino acid units in microcystins...
  22. ncbi Evaluation of TaqMan PCR assay for detecting Salmonella in raw meat and shrimp
    B Kimura
    Department of Food Science and Technology, Tokyo University of Fisheries, Minato, Japan
    J Food Prot 62:329-35. 1999
    ..These results indicate that TaqMan is a reliable and rapid method for Salmonella analysis in the food industry. With this system, food samples can be analyzed for Salmonella in less than 20 h...
  23. ncbi Subcellular distribution of tetrodotoxin in puffer fish liver
    Y Nagashima
    Department of Food Science and Technology, Tokyo University of Fisheries, Minato, Japan
    Toxicon 37:1833-7. 1999
    ..These results reveal that tetrodotoxin is widely distributed in organelles in liver cells, though predominantly in the cytosol fraction...
  24. ncbi Isolation and structures of grammistins, peptide toxins from the skin secretion of the soapfish Grammistes sexlineatus
    K Shiomi
    Department of Food Science and Technology, Tokyo University of Fisheries, Japan
    Toxicon 38:91-103. 2000
    ..Interestingly, grammistin Gs 2 is much more abundant in amphiphilic alpha-helices and much higher in biological activities than melittin and pardaxins as well as grammistin Cs 1...
  25. ncbi Cloning and characterization of a vasa-like gene in rainbow trout and its expression in the germ cell lineage
    G Yoshizaki
    Department of Aquatic Biosciences, Tokyo University of Fisheries, Tokyo, Japan
    Mol Reprod Dev 55:364-71. 2000
    ..This marker will make it possible to identify the PGCs or presumptive PGCs in early trout embryos whose germ cells can not be distinguished by morphological characteristics...
  26. ncbi Strictly anaerobic halophiles isolated from canned Swedish fermented herrings (Surströmming)
    T Kobayashi
    Department of Food Science and Technology, Tokyo University of Fisheries, Japan
    Int J Food Microbiol 54:81-9. 2000
    ..This is a novel report of halophilic anaerobes isolated from a food product. Such anaerobes may contribute to the intense flavor and the swollen can characteristics of Swedish fermented herring...
  27. ncbi Increase of hybrids in yeast electrofusion by mitochondrial mutations
    N Urano
    Laboratory of Marine Biochemistry, Tokyo University of Fisheries, 5 7 Konan 4, Minato, Tokyo 108 8477, Japan
    Biotechnol Bioeng 69:113-6. 2000
    ..Yields of the hybrids in system (2) were over 100-fold higher than those in system (1). Thus, regulation of yeast electrofusion was found to be possible by mitochondrial mutations...
  28. ncbi Photobacterium histaminum Okuzumi et al. 1994 is a later subjective synonym of Photobacterium damselae subsp. damselae (Love et al. 1981) Smith et al. 1991
    B Kimura
    Department of Food Science and Technology, Tokyo University of Fisheries, Konan, Minato, Japan
    Int J Syst Evol Microbiol 50:1339-42. 2000
    ..Therefore, the name P. histaminum should be considered to be a later subjective synonym of P. damselae subsp. damselae...
  29. ncbi Germ cell-specific expression of green fluorescent protein in transgenic rainbow trout under control of the rainbow trout vasa-like gene promoter
    G Yoshizaki
    Department of Aquatic Biosciences, Tokyo University of Fisheries, Konan, Japan
    Int J Dev Biol 44:323-6. 2000
    ..This transgenic trout, having visualizable PGCs, will make it possible to isolate live PGCs for in vitro studies and to study the ontogeny of PGCs including sex differentiation in live embryos...
  30. ncbi Differentiation of Tetragenococcus populations occurring in products and manufacturing processes of puffer fish ovaries fermented with rice-bran
    T Kobayashi
    Department of Food Science and Technology, Tokyo University of Fisheries, Japan
    Int J Food Microbiol 56:211-8. 2000
    ..Physiologically, the major differences between the two groups were found in the ability to grow in medium not supplemented with NaCl and the fermentation of L-arabinose, sucrose and D-mannitol, and several other carbohydrates...
  31. ncbi Haloanaerobium fermentans sp. nov., a strictly anaerobic, fermentative halophile isolated from fermented puffer fish ovaries
    T Kobayashi
    Department of Food Science and Technology, Tokyo University of Fisheries, Japan
    Int J Syst Evol Microbiol 50:1621-7. 2000
    ..Based on these results, the new isolate appears to represent a new Haloanaerobium species, for which the name Haloanaerobium fermentans sp. nov. is proposed. The type strain is R-9T (= JCM 10494T)...
  32. ncbi Occurrence of tetrodotoxin-related substances in the nontoxic puffer Takifugu xanthopterus
    Y Nagashima
    Department of Food Science and Technology, Tokyo University of Fisheries, Minato, Japan
    Toxicon 39:415-8. 2001
    ..Our results suggest that nontoxic puffer fish contains nontoxic tetrodotoxin derivatives as precursors or metabolites of tetrodotoxin...
  33. ncbi Isolation and characterization of bioactive metabolites from marine-derived filamentous fungi collected from tropical and sub-tropical coral reefs
    M Namikoshi
    Department of Ocean Sciences, Tokyo University of Fisheries, Japan
    Chem Pharm Bull (Tokyo) 48:1452-7. 2000
    ..The utility of marine-derived fungi as a source of bioactive secondary metabolites is discussed...
  34. ncbi Identification of viral induced genes in Ig+ leucocytes of Japanese flounder Paralichthys olivaceus, by differential hybridisation with subtracted and un-subtracted cDNA probes
    T Aoki
    Department of Aquatic Biosciences, Tokyo University of Fisheries, Minato, Japan
    Fish Shellfish Immunol 10:623-30. 2000
    ..From leucocytes mRNA for homologues of IFI56, CEF-10, Stat3, SERPIN and inducible poly (A) binding protein expression was shown to increase following HRV infection...
  35. pmc Empirical Bayes procedure for estimating genetic distance between populations and effective population size
    S Kitada
    Department of Aquatic Biosciences, Tokyo University of Fisheries, Minato, Tokyo 108 8477, Japan
    Genetics 156:2063-79. 2000
    ..The joint marginal-likelihood function also estimates the rate of gene flow into island populations...
  36. ncbi Recent topics in NMR imaging and MRI
    Tokuko Watanabe
    Department of Food Science and Technology, Tokyo University of Fisheries, Japan
    Magn Reson Med Sci 1:38-49. 2002
    ....