Author | Santos, Cyndia Mara Bezerra dos | |
Author | Ludwig, Adriana | |
Author | Kessler, Rafael Luis | |
Author | Rampazzo, Rita de Cássia Pontello | |
Author | Inoue, Alexandre Haruo | |
Author | Krieger, Marco Aurélio | |
Author | Pavoni, Daniela Parada | |
Author | Probst, Christian Macagnan | |
Access date | 2019-02-14T17:36:01Z | |
Available date | 2019-02-14T17:36:01Z | |
Document date | 2018 | |
Citation | SANTOS, Cyndia Mara Bezerra dos et al. Trypanosoma cruzi transcriptome during axenic epimastigote growth curve. Memórias do Instituto Oswaldo Cruz, Rio de Janeiro, v. 113, n. 5, p. 1-13, 2018. | pt_BR |
ISSN | 1678-8060 | pt_BR |
URI | https://www.arca.fiocruz.br/handle/icict/31652 | |
Language | por | pt_BR |
Publisher | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz | pt_BR |
Rights | open access | pt_BR |
Subject in Portuguese | Grânulos de RNA | pt_BR |
Subject in Portuguese | Análise Transcriptômica | pt_BR |
Title | Trypanosoma cruzi transcriptome during axenic epimastigote growth curve | pt_BR |
Type | Article | pt_BR |
DOI | 10.1590/0074-02760170404 | |
Abstract | Trypanosoma cruzi is an important protozoan parasite and the causative agent of Chagas disease. A critical step in understanding T. cruzi biology is the study of cellular and molecular features exhibited during its growth curve. We aimed to acquire a global view of the gene expression profile of T. cruzi during epimastigote growth. RNA-Seq analysis of total and polysomal/granular RNA fractions was performed along the 10 days T. cruzi epimastigote growth curve in vitro, in addition to cell viability and cell cycle analyses. We also analysed the polysome profile and investigated the presence of granular RNA by FISH and western blotting. We identified 1082 differentially expressed genes (DEGs), of which 220 were modulated in both fractions. According to the modulation pattern, DEGs were grouped into 12 clusters and showed enrichment of important gene ontology (GO) terms. Moreover, we showed that by the sixth day of the growth curve, polysomal content declined greatly and the RNA granules content appeared to increase, suggesting that a portion of mRNAs isolated from the sucrose gradient during late growth stages was associated with RNA granules and not only polyribosomes. Furthermore, we discuss several modulated genes possibly involved in T. cruzi growth, mainly during the stationary phase, such as genes related to cell cycle, pathogenesis, metabolic processes and RNA-binding proteins. | pt_BR |
Affilliation | Universidade Federal do Paraná. Centro Politécnico. Programa de Pós-Graduação em Biologia Celular e Molecular. Curitiba, PR, Brasil. / Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil. / Instituto de Biologia Molecular do Paraná. Curitiba, PR, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil. / Instituto de Biologia Molecular do Paraná. Curitiba, PR, Brasil. | pt_BR |
Affilliation | Instituto de Biologia Molecular do Paraná. Curitiba, PR, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil. / Instituto de Biologia Molecular do Paraná. Curitiba, PR, Brasil. | pt_BR |
Affilliation | Universidade Federal do Paraná. Centro Politécnico. Programa de Pós-Graduação em Biologia Celular e Molecular. Curitiba, PR, Brasil. / Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil. / Instituto de Biologia Molecular do Paraná. Curitiba, PR, Brasil. | pt_BR |
Affilliation | Universidade Federal do Paraná. Centro Politécnico. Programa de Pós-Graduação em Biologia Celular e Molecular. Curitiba, PR, Brasil. / Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil. | pt_BR |
Affilliation | Universidade Federal do Paraná. Centro Politécnico. Programa de Pós-Graduação em Biologia Celular e Molecular. Curitiba, PR, Brasil. / Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil. | pt_BR |
Subject | Chagas Disease | pt_BR |
Subject | Growth Charts | pt_BR |
Subject | Transcriptomics Analysis | pt_BR |
Subject | RNA Sequence | pt_BR |
Subject | Polyribosomes | pt_BR |
DeCS | Doença de Chagas | pt_BR |
DeCS | Gráficos de Crescimento | pt_BR |
DeCS | Sequência de Bases | pt_BR |
DeCS | Polirribossomos | pt_BR |