Listar Investigación y Desarrollo por autor "Barrientos, Leticia"
Mostrando ítems 1-7 de 7
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Article
Association of Progranulin Gene Expression from Dyspeptic Patients with Virulent Helicobacter pylori Strains; In Vivo Model (2024)
Troncoso, Claudia; Pavez, Mónica; Cerda, Álvaro; Manríquez, Victor; Prado, Aurora; Hofmann, Edmundo; Ríos, Eddy; Sierralta, Armando; Copelli, Luis; Barrientos, Leticia (MDPI, 2022)(1) Background: Gastric cancer, the fourth most common cause of death from tumors in the world, is closely associated with Helicobacter pylori. Timely diagnosis, therefore, is essential to achieve a higher survival rate. ... -
Article
Biosynthetic gene clusters with biotechnological applications in novel Antarctic isolates from Actinomycetota (2024)
Bruna, Pablo; Núñez-Montero, Kattia; Contreras, María José; Leal, Karla; García, Matías; Abanto, Michel; Barrientos, Leticia (Springer Science and Business Media Deutschland GmbH, 2024)Abstract: Actinomycetota have been widely described as valuable sources for the acquisition of secondary metabolites. Most microbial metabolites are produced via metabolic pathways encoded by biosynthetic gene clusters ... -
Article
Commonalities between the Atacama Desert and Antarctica rhizosphere microbial communities (2024)
Contreras, María José; Leal, Karla; Bruna, Pablo; Nuñez-Montero, Kattia; Goméz-Espinoza, Olman; Santos, Andrés; Bravo, León; Valenzuela, Bernardita; Solis, Francisco; Gahona, Giovanni; ... (Frontiers Media SA, 2023)Plant-microbiota interactions have significant effects on plant growth, health, and productivity. Rhizosphere microorganisms are involved in processes that promote physiological responses to biotic and abiotic stresses in ... -
Article
Editorial: Advances in biotechnological applications of extreme microorganisms (2024)
Núñez-Montero, Kattia; Barrientos, Leticia; Khalil, Zeinab G.; Lo Giudice, Angelina (Frontiers Media SA, 2023)[No abstract available] -
Article
Maldi-tof ms and 16s rna identification of culturable gastric microbiota: Variability associated with the presence of helicobacter pylori (2020)
Troncoso, Claudia; Pavez, Mónica; Cerda, Álvaro; Oporto, Marcelo; Villarroel, Daniel; Hofmann, Edmundo; Ríos, Eddy; Sierralta, Armando; Copelli, Luis; Barrientos, Leticia (MDPI AG, 2020-11-10)Helicobacter pylori is the main bacteria associated with gastroduodenal diseases. Recent studies have reported that gastric microbiota might be modified by the H. pylori colonization, favoring gastric lesions′ development. ... -
Article
Mammals’ sperm microbiome: current knowledge, challenges, and perspectives on metagenomics of seminal samples (2024)
Contreras, María José; Núñez-Montero, Kattia; Bruna, Pablo; Zárate, Ana; Pezo, Felipe; García, Matías; Leal, Karla; Barrientos, Leticia (Frontiers Media S.A., 2023)Bacterial growth is highly detrimental to sperm quality and functionality. However, during the last few years, using sequencing techniques with a metagenomic approach, it has been possible to deepen the study of bacteria-sperm ... -
Article
Metabologenomics analysis of Pseudomonas sp. So3.2b, an Antarctic strain with bioactivity against Rhizoctonia solani (2024)
Maimone, Naydja Moralles; Junior, Mario Cezar Pozza; de Oliveira, Lucianne Ferreira Paes; Rojas-Villalta, Dorian; de Lira, Simone Possedente; Barrientos, Leticia; Núñez-Montero, Kattia (Frontiers Media S.A., 2023)Introduction: Phytopathogenic fungi are a considerable concern for agriculture, as they can threaten the productivity of several crops worldwide. Meanwhile, natural microbial products are acknowledged to play an important ...