Publication: Serine hydroxymethyltransferase from pyrimethamine-sensitive and -resistant strains of Plasmodium chabaudi
Issued Date
1989-03-15
Resource Type
ISSN
01666851
Other identifier(s)
2-s2.0-0024596559
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Mahidol University
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SCOPUS
Bibliographic Citation
Molecular and Biochemical Parasitology. Vol.33, No.3 (1989), 265-271
Suggested Citation
Pintip Ruenwongsa, Metta Luanvararat, William J. O'Sullivan Serine hydroxymethyltransferase from pyrimethamine-sensitive and -resistant strains of Plasmodium chabaudi. Molecular and Biochemical Parasitology. Vol.33, No.3 (1989), 265-271. doi:10.1016/0166-6851(89)90088-1 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/15711
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Title
Serine hydroxymethyltransferase from pyrimethamine-sensitive and -resistant strains of Plasmodium chabaudi
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Abstract
Serine hydroxymethyltransferase (EC 2.1.2.1) was partially purified from a pyrimethamine sensitive strain of Plasmodium chabaudi. K m values of 2.91 and 1.08 mM were determined for tetrahydrofolate and serine, respectively. The effects of pH, of temperature and of some potential inhibitors were determined. The enzyme was also partially purified from a pyrimethamine-resistant strain of P. chabaudi and subjected to the same regime. No differences between the enzymes from the two sources could be detected. It would appear that the changes in properties in the enzymes dihydrofolate reductase and thymidylate synthetase associated with the development of drug resistance in P. chabaudi were not reflected in any obvious alterations in serine hydroxymethyltransferase. © 1989.