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An enigmatic catalase of Blastocrithidia
Claretta Bianchi1, Alexei Yu Kostygov2, Natalya Kraeva1
1Life Science Research Centre, Faculty of Science, University of Ostrava, Ostrava, Czech Republic.
Abstract:
Here we report that trypanosomatid flagellates of the genus Blastocrithidia possess catalase. This enzyme is not phylogenetically related to the previously characterized catalases in other monoxenous trypanosomatids, suggesting that their genes have been acquired independently. Surprisingly, Blastocrithidia catalase is less enzymatically active, compared to its counterpart from Leptomonas pyrrhocoris, posing an intriguing biological question why this gene has been retained in the evolution of trypanosomatids.
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