The Japanese Journal of Genetics

POLYMORPHISM OF THYROXINE-BINDING PREALBUMIN (TBPA) IN PRIMATE SPECIES

YUICHI TANABE, MASAYUKI OGAWA, KEN NOZAWA

1974 Volume 49 Issue 5 Pages 265-273
Published: 1974
Released on J-STAGE: May 21, 2007

DOIhttps://doi.org/10.1266/jjg.49.265

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Using in vitro hybridization method, polymorphism of thyroxine-binding prealbumin (TBPA) in primate species was investigated. Tetrameric TBPA was observed only in Catarrhini species, but was not observed in Platyrrhini species or Prosimii species. TBPA polymorphism was widely present in Cercopithecoid species. Frequency of PA^F was generally high in Cercopithecoids. In Hominoid species including Hylobatidae and Hominidae, gene constitution which controlled TBPA was fixed as PA^F/PA^F. These results suggest that TBPA protein appeared in the process of evolution of primates.

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PHOTODYNAMIC INACTIVATION OF ESCHERICHIA COLI CELLS AFTER STARVATION FOR REQUIRED AMINO ACID OR CHLORAMPHENICOL TREATMENT

SHINJI MATSUMOTO

1974 Volume 49 Issue 5 Pages 275-279
Published: 1974
Released on J-STAGE: May 21, 2007

DOIhttps://doi.org/10.1266/jjg.49.275

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Acridine orange-sensitized photodynamic inactivation of E. coli cells has been investigated under different physiological conditions. It was found that the cells pre-incubated in amino acid deprived medium became most markedly resistant in contrast to those pre-treated with chloramphenicol. The cellular resistance gained by amino acid starvation was not modified by the uvrA gene but the effect was rather moderate in the rec^-A strain.

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CHROMATIN IN THE CELLS OF HUMAN WHITE HAIR ROOT

ISUZU OKADA, MASAAKI SAWAI, RYUSO TANAKA

1974 Volume 49 Issue 5 Pages 281-284
Published: 1974
Released on J-STAGE: May 21, 2007

DOIhttps://doi.org/10.1266/jjg.49.281

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