2023
The role of invariant surface glycoprotein 75 in xenobiotic acquisition by African trypanosomes
MAKAROV, Alexandr, Jakub BEGAN, Ileana Corvo MAUTONE, Erika PINTO, Liam FERGUSON et. al.Základní údaje
Originální název
The role of invariant surface glycoprotein 75 in xenobiotic acquisition by African trypanosomes
Autoři
MAKAROV, Alexandr, Jakub BEGAN, Ileana Corvo MAUTONE, Erika PINTO, Liam FERGUSON, Martin ZOLTNER, Sebastian ZOLL a Mark C FIELD (garant)
Vydání
MICROBIAL CELL, AUSTRIA, SHARED SCIENCE PUBLISHERS OG, 2023, 2311-2638
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10601 Cell biology
Stát vydavatele
Rakousko
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 4.600 v roce 2022
Kód RIV
RIV/00216224:90242/23:00133763
Organizační jednotka
CIISB III
UT WoS
000928489100001
Klíčová slova anglicky
invariant surface glycoprotein; trypanosome; suramin; drug metabolism; drug accumulation; CRISPR; Cas9; xenobiotics
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 11. 4. 2024 23:13, Mgr. Michal Petr
Anotace
V originále
The surface proteins of parasitic protozoa mediate functions es-sential to survival within a host, including nutrient accumulation, environ-mental sensing and immune evasion. Several receptors involved in nutrient uptake and defence from the innate immune response have been described in African trypanosomes and, together with antigenic variation, contribute to-wards persistence within vertebrate hosts. Significantly, a superfamily of in-variant surface glycoproteins (ISGs) populates the trypanosome surface, one of which, ISG75, is implicated in uptake of the century-old drug suramin. By CRISPR/Cas9 knockout and biophysical analysis, we show here that ISG75 di-rectly binds suramin and mediates uptake of additional naphthol-related compounds, making ISG75 a conduit for entry of at least one structural class of trypanocidal compounds. However, ISG75 null cells present only modest attenuation of suramin sensitivity, have unaltered viability in vivo and in vitro and no alteration to suramin-invoked proteome responses. While ISG75 is demonstrated as a valid suramin cell entry pathway, we suggest the presence of additional mechanisms for suramin accumulation, further demonstrating the complexity of trypanosomatid drug interactions and potential for evolu-tion of resistance.
Návaznosti
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