Journal of Microbiology

Research Support, Non-U.S. Gov't

Occurrence of Thioredoxin Reductase in Deinococcus Species, the UV resistant Bacteria: Hee Jeong Seo , Young Nam Lee; J. Microbiol. 2006;44(4):461-465.; DOI: https://doi.org/2404 [pii]

Abstract: The occurrence of thioredoxin reductase (NAD(P)H: oxidized-thioredoxin reductase, EC 1.6.4.5, TrxR) in five mesophilic species of Deinococcus was investigated by PAGE. Each species possessed a unique TrxR pattern, for example, a single TrxR characterized D. radiopugnans while multiple forms of TrxR occurred in other Deinococcal spp. Most of TrxRs occurring in Deinococcus showed dual cofactor specificity, active with either NADH or NADPH, although the NADPH specific-TrxR was observed in D. radiophilus and D.proteolyticus.

Superoxide Dismutase Profiles in the Mesophilic Deinococcus Species: Young Sun Yun , Young Nam Lee; J. Microbiol. 2001;39(3):232-235.

Abstract: Electrophoretic resolution of superoxide dismutase (SOD) from the highly UV-resistant bacteria, Deinococcus species revealed multiple forms of superoxide dismutases (SODs) in D. radiodurans, D. grandis, and D. proteolyticus, as judged from electrophoretic properties and metal cofactors. A single SOD occurred in both D. radiophilus and D. radiopugnans. Deinococcal SODs were either MnSOD, FeSOD or cambialistic Mn/FeSOD. The unique SOD profile of each mesophilic Deinococcus species, multiplicity and metal cofactors, would be valuable in identifying Deinococcus species.

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