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2004

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Biochemistry, Biophysics, and Structural Biology

Western Kentucky University

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Full-Text Articles in Life Sciences

Identification Of Phosphorylase Kinase Alpha Subunit Binding Partners In Skeletal Muscle, Soleil Archila Jan 2004

Identification Of Phosphorylase Kinase Alpha Subunit Binding Partners In Skeletal Muscle, Soleil Archila

Masters Theses & Specialist Projects

IDENTIFICATION OF PHOSPHORYLASE KINASE ALPHA SUBUNIT BINDING PARTNERS IN SKELETAL MUSCLE Soleil Archila August 2004 67 Pages Directed by: Nancy A. Rice, Sigrid Jacobshagen, and Claire A. Rinehart Department of Biology Western Kentucky University Phosphorylase kinase (PhK) integrates neural, hormonal, and metabolic signals in skeletal muscle to tightly regulate glycogen breakdown and energy production. Structurally, PhK is among the largest and most complex kinases known with a stoichiometry of (αβγδ)4 and a mass of 1.3x106 Da. The catalytic γ subunit is allosterically controlled through alterations in quaternary structure initiated by the regulatory α, β and δ subunits. In ...


Development Of A Gene Transfer System In Clostridium Scindens Vpi 12708, Rashmi Ramasubbaiah Jan 2004

Development Of A Gene Transfer System In Clostridium Scindens Vpi 12708, Rashmi Ramasubbaiah

Masters Theses & Specialist Projects

Clostridium scindens VPI 12708 (previously known as Eubacterium sp. VPI 12708) is a bile-acid dehydroxylating bacterium originally isolated from the feces of a colon cancer patient. Many genes required for bile acid 7-a dehydroxylation are found on a large bile acid inducible operon (bai) that has been extensively studied. However the bai promoter, which directs expression of the bai operon, has yet to be characterized due, in part, to a lack of a functional genetic transfer system for this strain. A spontaneous rifampinresistant Clostridium scindens VPI 12708 mutant was used as a recipient to determine the efficacy of conjugation as ...