Proceedings of the Japan Academy, Series B

Discrimination of Amino Acid by Anticodon and Discriminator Base

Mikio SHIMIZU

1979 Volume 55 Issue 8 Pages 387-392
Published: 1979
Released on J-STAGE: October 06, 2006

DOIhttps://doi.org/10.2183/pjab.55.387

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Chick Embryonic Cartilage has a Developmentally Regulated Lectin Specific for Galactose. Containing Saccharides

Tatsuya YAMAGATA, Tomoko NISHIWAKI

1979 Volume 55 Issue 8 Pages 393-397
Published: 1979
Released on J-STAGE: October 06, 2006

DOIhttps://doi.org/10.2183/pjab.55.393

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Chromosomal Anomalies Caused by Preovulatory Overripeness of the Primary Oocyte

Yujiroh KAMIGUCHI, Kenji FUNAKI, Kazuya MIKAMO

1979 Volume 55 Issue 8 Pages 398-402
Published: 1979
Released on J-STAGE: October 06, 2006

DOIhttps://doi.org/10.2183/pjab.55.398

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Effects of preovulatory overripeness of primary oocytes were studied cytogenetically in 2-cell rat embryos which developed from the ova unduely aged for 48 hours in mature follicles. Both aneuploids and mosaics increased significantly in the experimental group. It was clearly indicated that the delayed ovulation induces nondis j unction and anaphase lag of chromosomes during both the meiotic and first cleavage divisions. A significant increase of polyploidy was also proven as the result of the delay in ovulation. Its causal mechanism was confirmed to be polyspermy.

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Synteny of the Genes for Adenylate Kinase and Phosphoglucomutase in the Rat and their Assignment to Rat Chromosome 5

Michihiro C. YOSHIDA

1979 Volume 55 Issue 8 Pages 403-406
Published: 1979
Released on J-STAGE: October 06, 2006

DOIhttps://doi.org/10.2183/pjab.55.403

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In order to assess the syntenic relationship of genes in the laboratory rat (Rattus norvegicus) and mouse (Mus musculus), rat gene mapping is undertaken in rat-mouse somatic cell hybrids with the rat chromosome segregation. The genes coding for adenylate kinase-2 and phosphoglucomutase-2 are syntenic with enolase and phosphogluconate dehydrogenase, and assigned to rat chromosome 5. The four genes are syntenic in man and mouse, suggesting the conservation of the linkage relationship of homologous genes in the three divergent species.

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Nucleus raphe pallidus of Rat Medulla oblongata

A Possible Contact Point of Serotonergic and Catecholaminergic Systems

Momoko MIYAKAWA, Takeshi USUI

1979 Volume 55 Issue 8 Pages 407-412
Published: 1979
Released on J-STAGE: October 06, 2006

DOIhttps://doi.org/10.2183/pjab.55.407

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Unit Responses of the Cat's Auditory Cortex to Synthesized Formants

Naoshige MARUYAMA, Katsunori SAITOH, Masaharu KUDOH

1979 Volume 55 Issue 8 Pages 413-417
Published: 1979
Released on J-STAGE: October 06, 2006

DOIhttps://doi.org/10.2183/pjab.55.413

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A New Automatic Method for Measuring Cell Electrophoretic Mobility

Motomu SHIMIZU, Takao IWAGUCHI, Norihisa KIKUTANI, Takeshi MOTOMIYA, H ...

1979 Volume 55 Issue 8 Pages 418-423
Published: 1979
Released on J-STAGE: October 06, 2006

DOIhttps://doi.org/10.2183/pjab.55.418

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