Henry A. Choy

Phenoxazinone synthase from Streptomyces antibioticus: Purification of the large and small enzyme forms (1981)

Choy, Henry A., Jones, George H.

Phenoxazinone synthase has been purified approximately 80-fold from 48-h-old cells of Streptomyces antibioticus. The purification procedure involves streptomycin sulfate and ammonium sulfate...

MULTIPLE FORMS OF PHENOXAZINONE SYNTHASE IN ACTINOMYCIN BIOSYNTHESIS. (1980)

CHOY, HENRY A.

DISSERTATION (PH.D.)--THE UNIVERSITY OF MICHIGAN

Physiological Osmotic Induction of Leptospira interrogans Adhesion: LigA and LigB Bind Extracellular Matrix Proteins and Fibrinogen▿

Choy, Henry A., Kelley, Melissa M., Chen, Tammy L., Møller, Annette K., Matsunaga, James, Haake, David A.

Transmission of leptospirosis occurs through contact of mucous membranes and abraded skin with freshwater contaminated by pathogenic Leptospira spp. Exposure to physiological osmolarity induces...

Leptospira interrogans Endostatin-Like Outer Membrane Proteins Bind Host Fibronectin, Laminin and Regulators of Complement

Stevenson, Brian, Choy, Henry A., Pinne, Marija, Rotondi, Matthew L., Miller, M. Clarke, DeMoll, Edward, ...

The pathogenic spirochete Leptospira interrogans disseminates throughout its hosts via the bloodstream, then invades and colonizes a variety of host tissues. Infectious leptospires are resistant to...