Selective changes in methionine tRNA species during development of the posterior silkglands of Bombyx mori

A. Araya, M. Krauskopf, M. A Q Siddiqui

Resultado de la investigación: Article

8 Citas (Scopus)

Resumen

Transfer RNA with methionine acceptor activity isolated from two distinct physiological stages of the developing posterior silkgland of the silkworm, Bombyx mori, was examined. The tRNA from both stages could be fractionated on benzoylated DEAE-cellulose colum into two iso-accepting species, tRNA1 Met and tRNA2 Met. The molar quantity per gland of tRNA1 Met species, which was also formylatable with the E. coli enzymes, increased twelve-fold as the gland differentiates to produce a large amount of a single protein, silk-fibroin. Since methionine is not a part of silk-fibroin, the preferential increase in tRNA1 Met content would reflect the increased biological activity and the rapid rate of protein synthesis during the terminal differentiation of posterior silkgland.

Idioma originalEnglish
Páginas (desde-hasta)924-934
Número de páginas11
PublicaciónBiochemical and Biophysical Research Communications
Volumen67
N.º3
DOI
EstadoPublished - 1 dic 1975

Huella dactilar

Fibroins
Bombyx
Silk
Transfer RNA
Methionine
Bioactivity
Escherichia coli
Proteins
Enzymes
benzoylated DEAE-cellulose

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology
  • Cell Biology

Citar esto

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abstract = "Transfer RNA with methionine acceptor activity isolated from two distinct physiological stages of the developing posterior silkgland of the silkworm, Bombyx mori, was examined. The tRNA from both stages could be fractionated on benzoylated DEAE-cellulose colum into two iso-accepting species, tRNA1 Met and tRNA2 Met. The molar quantity per gland of tRNA1 Met species, which was also formylatable with the E. coli enzymes, increased twelve-fold as the gland differentiates to produce a large amount of a single protein, silk-fibroin. Since methionine is not a part of silk-fibroin, the preferential increase in tRNA1 Met content would reflect the increased biological activity and the rapid rate of protein synthesis during the terminal differentiation of posterior silkgland.",
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Selective changes in methionine tRNA species during development of the posterior silkglands of Bombyx mori. / Araya, A.; Krauskopf, M.; Siddiqui, M. A Q.

En: Biochemical and Biophysical Research Communications, Vol. 67, N.º 3, 01.12.1975, p. 924-934.

Resultado de la investigación: Article

TY - JOUR

T1 - Selective changes in methionine tRNA species during development of the posterior silkglands of Bombyx mori

AU - Araya, A.

AU - Krauskopf, M.

AU - Siddiqui, M. A Q

PY - 1975/12/1

Y1 - 1975/12/1

N2 - Transfer RNA with methionine acceptor activity isolated from two distinct physiological stages of the developing posterior silkgland of the silkworm, Bombyx mori, was examined. The tRNA from both stages could be fractionated on benzoylated DEAE-cellulose colum into two iso-accepting species, tRNA1 Met and tRNA2 Met. The molar quantity per gland of tRNA1 Met species, which was also formylatable with the E. coli enzymes, increased twelve-fold as the gland differentiates to produce a large amount of a single protein, silk-fibroin. Since methionine is not a part of silk-fibroin, the preferential increase in tRNA1 Met content would reflect the increased biological activity and the rapid rate of protein synthesis during the terminal differentiation of posterior silkgland.

AB - Transfer RNA with methionine acceptor activity isolated from two distinct physiological stages of the developing posterior silkgland of the silkworm, Bombyx mori, was examined. The tRNA from both stages could be fractionated on benzoylated DEAE-cellulose colum into two iso-accepting species, tRNA1 Met and tRNA2 Met. The molar quantity per gland of tRNA1 Met species, which was also formylatable with the E. coli enzymes, increased twelve-fold as the gland differentiates to produce a large amount of a single protein, silk-fibroin. Since methionine is not a part of silk-fibroin, the preferential increase in tRNA1 Met content would reflect the increased biological activity and the rapid rate of protein synthesis during the terminal differentiation of posterior silkgland.

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