... Biochem., 65 (8), 1789-1795, 2001 ll ll Production of Pyridoxal Phosphate by a Mutant Strain of Schizosaccharomyces pombe Ruamsub ... P. guillier- mondii Wickerham NK-2,4) Saccharornyces carlsber- gensis (now designated as S. cerevisiae),"” Schiz0sac- charomyces pombe ...