The Drosophila clock gene double-time encodes a protein closely related to human casein kinase Iepsilon

B. Kloss, J. L. Price, L. Saez, Michael Blau, A. Rothenfluh, C. S. Wesley, M. W. Young

Research output: Contribution to journalArticle

Abstract

The cloning of double-time (dbt) is reported. DOUBLETIME protein (DBT) is most closely related to human casein kinase Iepsilon. dbtS and dbtL mutations, which alter period length of Drosophila circadian rhythms, produce single amino acid changes in conserved regions of the predicted kinase. dbtP mutants, which eliminate rhythms of per and tim expression and constitutively overproduce hypophosphorylated PER proteins, abolish most dbt expression. dbt mRNA appears to be expressed in the same cell types as are per and tim and shows no evident oscillation in wild-type heads. DBT is capable of binding to PER in vitro and in Drosophila cells, suggesting that a physical association of PER and DBT regulates PER phosphorylation and accumulation in vivo.
Original languageUndefined
Pages (from-to)97-107
Number of pages11
JournalCell
Volume94
Issue number1
StatePublished - 1998

Keywords

  • Amino Acid Sequence Animals Biological Clocks/*genetics *Casein Kinase Iepsilon Casein Kinases Conserved Sequence Drosophila/*genetics *Drosophila Proteins Gene Expression Regulation *Genes, Insect Genes, Lethal In Situ Hybridization Insect Proteins/metabolism Models, Biological Molecular Sequence Data Mutation Nuclear Proteins/metabolism Period Circadian Proteins Phosphorylation Protein Binding Protein Kinases/*genetics Sequence Homology, Amino Acid Time Factors Tissue Distribution

Cite this

Kloss, B., Price, J. L., Saez, L., Blau, M., Rothenfluh, A., Wesley, C. S., & Young, M. W. (1998). The Drosophila clock gene double-time encodes a protein closely related to human casein kinase Iepsilon. Cell, 94(1), 97-107.

The Drosophila clock gene double-time encodes a protein closely related to human casein kinase Iepsilon. / Kloss, B.; Price, J. L.; Saez, L.; Blau, Michael; Rothenfluh, A.; Wesley, C. S.; Young, M. W.

In: Cell, Vol. 94, No. 1, 1998, p. 97-107.

Research output: Contribution to journalArticle

Kloss, B, Price, JL, Saez, L, Blau, M, Rothenfluh, A, Wesley, CS & Young, MW 1998, 'The Drosophila clock gene double-time encodes a protein closely related to human casein kinase Iepsilon', Cell, vol. 94, no. 1, pp. 97-107.
Kloss B, Price JL, Saez L, Blau M, Rothenfluh A, Wesley CS et al. The Drosophila clock gene double-time encodes a protein closely related to human casein kinase Iepsilon. Cell. 1998;94(1):97-107.
Kloss, B. ; Price, J. L. ; Saez, L. ; Blau, Michael ; Rothenfluh, A. ; Wesley, C. S. ; Young, M. W. / The Drosophila clock gene double-time encodes a protein closely related to human casein kinase Iepsilon. In: Cell. 1998 ; Vol. 94, No. 1. pp. 97-107.
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abstract = "The cloning of double-time (dbt) is reported. DOUBLETIME protein (DBT) is most closely related to human casein kinase Iepsilon. dbtS and dbtL mutations, which alter period length of Drosophila circadian rhythms, produce single amino acid changes in conserved regions of the predicted kinase. dbtP mutants, which eliminate rhythms of per and tim expression and constitutively overproduce hypophosphorylated PER proteins, abolish most dbt expression. dbt mRNA appears to be expressed in the same cell types as are per and tim and shows no evident oscillation in wild-type heads. DBT is capable of binding to PER in vitro and in Drosophila cells, suggesting that a physical association of PER and DBT regulates PER phosphorylation and accumulation in vivo.",
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T1 - The Drosophila clock gene double-time encodes a protein closely related to human casein kinase Iepsilon

AU - Kloss, B.

AU - Price, J. L.

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AU - Blau, Michael

AU - Rothenfluh, A.

AU - Wesley, C. S.

AU - Young, M. W.

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PY - 1998

Y1 - 1998

N2 - The cloning of double-time (dbt) is reported. DOUBLETIME protein (DBT) is most closely related to human casein kinase Iepsilon. dbtS and dbtL mutations, which alter period length of Drosophila circadian rhythms, produce single amino acid changes in conserved regions of the predicted kinase. dbtP mutants, which eliminate rhythms of per and tim expression and constitutively overproduce hypophosphorylated PER proteins, abolish most dbt expression. dbt mRNA appears to be expressed in the same cell types as are per and tim and shows no evident oscillation in wild-type heads. DBT is capable of binding to PER in vitro and in Drosophila cells, suggesting that a physical association of PER and DBT regulates PER phosphorylation and accumulation in vivo.

AB - The cloning of double-time (dbt) is reported. DOUBLETIME protein (DBT) is most closely related to human casein kinase Iepsilon. dbtS and dbtL mutations, which alter period length of Drosophila circadian rhythms, produce single amino acid changes in conserved regions of the predicted kinase. dbtP mutants, which eliminate rhythms of per and tim expression and constitutively overproduce hypophosphorylated PER proteins, abolish most dbt expression. dbt mRNA appears to be expressed in the same cell types as are per and tim and shows no evident oscillation in wild-type heads. DBT is capable of binding to PER in vitro and in Drosophila cells, suggesting that a physical association of PER and DBT regulates PER phosphorylation and accumulation in vivo.

KW - Amino Acid Sequence Animals Biological Clocks/genetics Casein Kinase Iepsilon Casein Kinases Conserved Sequence Drosophila/genetics Drosophila Proteins Gene Expression Regulation Genes, Insect Genes, Lethal In Situ Hybridization Insect Proteins/metabolism

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