Giulia M. Ribeiro
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View article: Survival in a changing world: The role of transcriptomics and the urgent need for genomes to understand Arcellinida’s adaptive capabilities
Survival in a changing world: The role of transcriptomics and the urgent need for genomes to understand Arcellinida’s adaptive capabilities Open
Understanding the physiological and genetic diversity of single-cell eukaryotes remains a big challenge for scientists. Single-cell omics technologies have revolutionized our possibilities for many previously uncharacterized groups. Despit…
View article: Re-evaluating evidence for giant genomes in amoebae
Re-evaluating evidence for giant genomes in amoebae Open
Here we reassess available evidence for the long-held misconception of amoebae possessing exceptionally large genomes. Traditionally, estimates relied on inaccurate methods like DNA weight measurements, leading to inflated sizes. These met…
View article: Amoebozoan testate amoebae illuminate the diversity of heterotrophs and the complexity of ecosystems throughout geological time
Amoebozoan testate amoebae illuminate the diversity of heterotrophs and the complexity of ecosystems throughout geological time Open
Heterotrophic protists are vital in Earth’s ecosystems, influencing carbon and nutrient cycles and occupying key positions in food webs as microbial predators. Fossils and molecular data suggest the emergence of predatory microeukaryotes a…
View article: Phylogenomics Reveals Potential Low-Oxygen Adaptations in Free-Living Testate Amoebae
Phylogenomics Reveals Potential Low-Oxygen Adaptations in Free-Living Testate Amoebae Open
View article: Amoebozoan testate amoebae illuminate the diversity of heterotrophs and the complexity of ecosystems throughout geological time
Amoebozoan testate amoebae illuminate the diversity of heterotrophs and the complexity of ecosystems throughout geological time Open
Heterotrophic microbial eukaryotes play a pivotal role in aquatic and terrestrial ecosystems, contributing to carbon and nutrient cycles. These microorganisms, capable of phagocytosis, act as predators of bacterial communities and other mi…
View article: O impacto das condições ambientais na diversidade taxonômica e funcional de amebas tecadas
O impacto das condições ambientais na diversidade taxonômica e funcional de amebas tecadas Open
Os eucariontes microbianos, incluindo os chamados protistas, desempenham um papel crucial na manutenção dos ecossistemas globais. A qualidade dos ambientes é essencial na definição das comunidades de organismos que os ocupam e é influencia…
View article: Expansion of the cytochrome C oxidase subunit I database and description of four new lobose testate amoebae species (Amoebozoa; Arcellinida)
Expansion of the cytochrome C oxidase subunit I database and description of four new lobose testate amoebae species (Amoebozoa; Arcellinida) Open
View article: A decade of Zoology Summer Course: impressions and impacts of the first university extension course on Zoology in Brazil
A decade of Zoology Summer Course: impressions and impacts of the first university extension course on Zoology in Brazil Open
Although the diversity of animal groups distributed in Brazil provides countless research opportunities, the current scenario does not follow this demand. The reasons for the disconnections range from inequality in the availability of reso…
View article: Deconstructing Difflugia: The tangled evolution of lobose testate amoebae shells (Amoebozoa: Arcellinida) illustrates the importance of convergent evolution in protist phylogeny
Deconstructing Difflugia: The tangled evolution of lobose testate amoebae shells (Amoebozoa: Arcellinida) illustrates the importance of convergent evolution in protist phylogeny Open
Protists, the micro-eukaryotes that are neither plants, animals nor fungi build up the greatest part of eukaryotic diversity on Earth. Yet, their evolutionary histories and patterns are still mostly ignored, and their complexity overlooked…
View article: Analyses of the pericyte transcriptome in ischemic skeletal muscles
Analyses of the pericyte transcriptome in ischemic skeletal muscles Open
Background Peripheral arterial disease (PAD) affects millions of people and compromises quality of life. Critical limb ischemia (CLI), which is the most advanced stage of PAD, can cause nonhealing ulcers and strong chronic pain, and it sho…
View article: Analyses of the pericyte transcriptome in ischemic skeletal muscles
Analyses of the pericyte transcriptome in ischemic skeletal muscles Open
Background Peripheral arterial disease (PAD) affects millions of people and compromises quality of life. Critical limb ischemia (CLI), which is the most advanced stage of PAD, can cause nonhealing ulcers and strong chronic pain, and it sho…
View article: Phylogenomics and Morphological Reconstruction of Arcellinida Testate Amoebae Highlight Diversity of Microbial Eukaryotes in the Neoproterozoic
Phylogenomics and Morphological Reconstruction of Arcellinida Testate Amoebae Highlight Diversity of Microbial Eukaryotes in the Neoproterozoic Open
View article: Transcriptome sequencing and annotation of the testate amoeba Arcella intermedia: Pathway description and gene discovery
Transcriptome sequencing and annotation of the testate amoeba Arcella intermedia: Pathway description and gene discovery Open
Arcella Ehrenberg 1832 is one of the most numerous testacean genera. Arcellinids are an aerobic lineage of testate amoeba that live in a wide variety of environments. Probably their ability to survive in such divergent conditions is relate…
View article: Growth Rate Modulation Enables Coexistence in a Competitive Exclusion Scenario Between Microbial Eukaryotes
Growth Rate Modulation Enables Coexistence in a Competitive Exclusion Scenario Between Microbial Eukaryotes Open
Coexistence usually are exceeding the explicable rate by competitive exclusion principle. Since the pioneer Gause, many studies have used protist microcosm systems to study competitive exclusion. We explored a two-species system with the t…
View article: Morphological and morphometric description of a novel shelled amoeba Arcella gandalfi sp. nov. (Amoebozoa: Arcellinida) from Brazilian continental waters
Morphological and morphometric description of a novel shelled amoeba Arcella gandalfi sp. nov. (Amoebozoa: Arcellinida) from Brazilian continental waters Open
Féres, Jordana C., Porfírio-Sousa, Alfredo L., Ribeiro, Giulia M., Rocha, Gustavo M., Sterza, José Mauro, Souza, Maria Beatriz G., Soares, Carlos Eduardo A., Lahr, Daniel J.G. (2016): Morphological and Morphometric Description of a Novel S…