K. Ichikawa

Poly-L-arginine-Induced internalization of tight junction proteins increases the paracellular permeability of the Caco-2 cell monolayer to hydrophilic macromolecules.

M. Uchida, H. Natsume, Y. Morimoto, 2013, Biological & pharmaceutical bulletin.

Biosynthesis of Vitamin B6 in Rhizobium: In Vitro Synthesis of Pyridoxine from 1-Deoxy-D-xylulose and 4-Hydroxy-L-threonine

T. Hoshino, M. Tazoe, K. Ichikawa, 2002, Bioscience, biotechnology, and biochemistry.

Flavin Adenine Dinucleotide-Dependent 4-Phospho-d-Erythronate Dehydrogenase Is Responsible for the 4-Phosphohydroxy-l-Threonine Pathway in Vitamin B6 Biosynthesis in Sinorhizobium meliloti

T. Hoshino, M. Tazoe, K. Ichikawa, 2006, Journal of bacteriology.

Production of Vitamin B6 in Rhizobium.

T. Hoshino, M. Tazoe, K. Ichikawa, 1999, Bioscience, biotechnology, and biochemistry.

Purification and Characterization of Pyridoxine 5′-Phosphate Phosphatase from Sinorhizobium meliloti

T. Hoshino, M. Tazoe, K. Ichikawa, 2005, Bioscience, biotechnology, and biochemistry.

Biosynthesis of Vitamin B6 inRhizobium *

T. Hoshino, M. Tazoe, K. Ichikawa, 2000, The Journal of Biological Chemistry.