Rat Muscle Fructose-1,6-Bisphosphatase: Cloning of the cDNA, Expression of the Recombinant Enzyme, and Expression Analysis in Different Tissues
-
Samiya Al-Robaiy
Abstract
The 1282 bp cDNA of an isoenzyme of fructose-1,6- bisphosphatase was cloned from rat muscle. It shows 70% positional identity to the cDNA of rat liver fructose- 1,6-bisphosphatase and is clearly the product of a gene different from that coding for the liver enzyme. After cloning of the coding region of the rat muscle fructose-1,6-bisphosphatase cDNA in an expression vector, the recombinant enzyme could be detected in E. coli cell-free extracts by activity determination and Western blotting. Overexpressed fructose-1,6-bisphosphatase was found to be allosterically inhibited by AMP comparably to the enzyme isolated from rat muscle. Analysis of steady-state mRNA levels of various rat tissues with reverse-transcriptase polymerase chain reaction (RT-PCR) and Northern blotting revealed one or the two fructose-1,6-bisphosphatase isoenzyme mRNAs in most tissues tested with significant quantitative differences. Quantitative PCR using a homologous competitor showed that 1 μg of total RNA of rat muscle contains 1.7 × 106 molecules of rat muscle fructose-1,6-bisphosphatase mRNA. 3 × 104 copies of this message were found per μg total RNA of heart and kidney, respectively.
Copyright © 1999 by Walter de Gruyter GmbH & Co. KG
Articles in the same Issue
- Execution of Apoptosis: Converging or Diverging Pathways?
- Two Highly Related Homeodomain Proteins, Nkx5-1 and Nkx5-2, Display Different DNA Binding Specificities
- The Janus Face of the Archaeal Cdc48/p97 Homologue VAT: Protein Folding versus Unfolding
- Functional Characterization of an Extremely Thermophilic ATPase in Membranes of the Crenarchaeon Acidianus ambivalens
- On the Lysosomal Degradation of Neurofibromin and Its Phosphorylation in Cultured Melanocytes
- Rat Muscle Fructose-1,6-Bisphosphatase: Cloning of the cDNA, Expression of the Recombinant Enzyme, and Expression Analysis in Different Tissues
- Catalase-Peroxidase from the Cyanobacterium Synechocystis PCC 6803: Cloning, Overexpression in Escherichia coli, and Kinetic Characterization
- Expression of Plasma Prekallikrein mRNA in Human Nonhepatic Tissues and Cell Lineages Suggests Special Local Functions of the Enzyme
- Biochemical Characterization of the Catalytic Domain of Membrane-Type 4 Matrix Metalloproteinase
- Fluorometric Microassays for the Determination of Cathepsin L and Cathepsin S Activities in Tissue Extracts
- The Role of Protein Phosphatase 2A Catalytic Subunit Cα in Embryogenesis: Evidence from Sequence Analysis and Localization Studies
- DNA Binding of Myc/Max/Mad Network Complexes to Oligonucleotides Containing Two E Box Elements: c-Myc/Max Heterodimers Do Not Bind DNA Cooperatively
- Tight Interaction between Densely Methylated DNA Fragments and the Methyl-CpG Binding Domain of the Rat MeCP2 Protein Attached to a Solid Support
- Molecular Characterization of a Novel Mammalian DnaJ-Like Sec63p Homolog
Articles in the same Issue
- Execution of Apoptosis: Converging or Diverging Pathways?
- Two Highly Related Homeodomain Proteins, Nkx5-1 and Nkx5-2, Display Different DNA Binding Specificities
- The Janus Face of the Archaeal Cdc48/p97 Homologue VAT: Protein Folding versus Unfolding
- Functional Characterization of an Extremely Thermophilic ATPase in Membranes of the Crenarchaeon Acidianus ambivalens
- On the Lysosomal Degradation of Neurofibromin and Its Phosphorylation in Cultured Melanocytes
- Rat Muscle Fructose-1,6-Bisphosphatase: Cloning of the cDNA, Expression of the Recombinant Enzyme, and Expression Analysis in Different Tissues
- Catalase-Peroxidase from the Cyanobacterium Synechocystis PCC 6803: Cloning, Overexpression in Escherichia coli, and Kinetic Characterization
- Expression of Plasma Prekallikrein mRNA in Human Nonhepatic Tissues and Cell Lineages Suggests Special Local Functions of the Enzyme
- Biochemical Characterization of the Catalytic Domain of Membrane-Type 4 Matrix Metalloproteinase
- Fluorometric Microassays for the Determination of Cathepsin L and Cathepsin S Activities in Tissue Extracts
- The Role of Protein Phosphatase 2A Catalytic Subunit Cα in Embryogenesis: Evidence from Sequence Analysis and Localization Studies
- DNA Binding of Myc/Max/Mad Network Complexes to Oligonucleotides Containing Two E Box Elements: c-Myc/Max Heterodimers Do Not Bind DNA Cooperatively
- Tight Interaction between Densely Methylated DNA Fragments and the Methyl-CpG Binding Domain of the Rat MeCP2 Protein Attached to a Solid Support
- Molecular Characterization of a Novel Mammalian DnaJ-Like Sec63p Homolog
