J. Beck

Affinity labeling of the folate-methotrexate transporter from Leishmania donovani.

J. Beck, B. Ullman, 1989, Biochemistry.

Expression of a novel high affinity purine base transport system in mutant mouse S49 cells does not require a functional nucleoside transporter.

J. Beck, B. Ullman, 1989, Advances in experimental medicine and biology.

Genetic demonstration that the mutationally expressed nucleobase transporter of mouse S49 cells is nonconcentrative.

J. Beck, B. Ullman, 1987, Experimental cell research.

Biopterin conversion to reduced folates by Leishmania donovani promastigotes.

J. Beck, B. Ullman, 1991, Molecular and biochemical parasitology.

Nutritional requirements of wild-type and folate transport-deficient Leishmania donovani for pterins and folates.

J. Beck, B. Ullman, 1990, Molecular and biochemical parasitology.

Characterization of a mutant clone of Leishmania donovani deficient in folate transport.

J. Beck, B. Ullman, 1989, Advances in experimental medicine and biology.