2020
DOI: 10.3390/genes11101198
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The Leishmania donovani SENP Protease Is Required for SUMO Processing but Not for Viability

Abstract: The protozoan parasite Leishmania donovani is part of an early eukaryotic branch and depends on post-transcriptional mechanisms for gene expression regulation. This includes post-transcriptional protein modifications, such as protein phosphorylation. The presence of genes for protein SUMOylation, i.e., the covalent attachment of small ubiquitin-like modifier (SUMO) polypeptides, in the Leishmania genomes prompted us to investigate the importance of the sentrin-specific protease (SENP) and its putative client, … Show more

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Cited by 4 publications
(2 citation statements)
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“…In Leishmania , HA-tag has been used to determine the subcellular localization of several molecules, such as lipophosphoglycan 2 ( Descoteaux et al., 1995 ), ABC transporter PGPA ( Légaré et al., 2001 ), centrin ( Selvapandiyan et al., 2001 ), and ATP/GTP binding protein (ALD1) ( Ishemgulova et al., 2017 ). Moreover, HA-tag has been used for protein expression studies of a lipase in L. donovani ( Shakarian et al., 2010 ), a cyclin-dependent kinase in L. mexicana ( Gomes et al., 2010 ), and a small ubiquitin-like modifier in L. donovani ( Bea et al., 2020 ).…”
Section: Enzymatic Systemsmentioning
confidence: 99%
“…In Leishmania , HA-tag has been used to determine the subcellular localization of several molecules, such as lipophosphoglycan 2 ( Descoteaux et al., 1995 ), ABC transporter PGPA ( Légaré et al., 2001 ), centrin ( Selvapandiyan et al., 2001 ), and ATP/GTP binding protein (ALD1) ( Ishemgulova et al., 2017 ). Moreover, HA-tag has been used for protein expression studies of a lipase in L. donovani ( Shakarian et al., 2010 ), a cyclin-dependent kinase in L. mexicana ( Gomes et al., 2010 ), and a small ubiquitin-like modifier in L. donovani ( Bea et al., 2020 ).…”
Section: Enzymatic Systemsmentioning
confidence: 99%
“…Após a análise in silico das sequências proteícas, foram geradas construções epissomais no vetor de expressão em Leishmania pSP72αHYGα(El Fadili, Messier et al 2005, contendo os genes ABCF1 e ABCF3, além dos genes BCAT e DLDH previamente envolvidos na resistência à PAR em L. (L.) infantum(Rastrojo, Garcia-Hernandez et al 2018).Posteriormente, para a geração de mutantes nulos foi necessário padronizar para a espécie L. (L.) amazonensis a tecnologia de CRISPR/Cas9 descrita porBeneke et al (2017). É importante ressaltar que esta metodologia descrita porBeneke et al (2017), já foi utilizada em algumas espécies de Leishmania, como L. (L.) major, L. (L.) mexicana, L. (L.) infantum e L. (V.) braziliensis(Martel, Beneke et al 2017, Adaui, Kröber-Boncardo et al 2020, Bea, Kröber-Boncardo et al 2020, Burge, Damianou et al 2020. No entanto, até a redação desta dissertação de Mestrado, este protocolo ainda não havia sido validado em L. (L.) amazonensis, conforme descrito neste estudo.Para testar esta ferramenta e a sua padronização, foi utilizado como alvo inicial o gene MT para a geração de uma linhagem com um dos alelos deletado (La-sKO-MT).…”
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