Tunicamycin-resistant Leishmania mexicana amazonensis: expression of virulence associated with an increased activity of N-acetylglucosaminyltransferase and amplification of its presumptive gene

Tunicamycin-resistant Leishmania mexicana amazonensis: expression of virulence associated with an increased activity of N-acetylglucosaminyltransferase and amplification of its presumptive gene