The paper implements a Mobile-CRISPRi system in Piscirickettsia salmonis to silence genes, demonstrating its effectiveness in seven strains and revealing Fur's role in iron metabolism.

Applied and Environmental Microbiology · Dec 22, 2025Peer-reviewedMicrobiology

Reduced glutathione levels in Enterococcus faecalis trigger metabolic and transcriptional compensatory adjustments during iron exposure.

Víctor Aliaga-Tobar, Jorge Torres, Sebastián N. Mendoza, Gabriel Gálvez, Jaime Ortega, Sebastián Ugarte Gómez, Valentina Parra, Felipe Arenas, Alejandro Maass, Anne Siegel, Maurício González, Mauricio Latorre

This study examines how Enterococcus faecalis adjusts its metabolism and transcriptional response when exposed to iron under glutathione deficiency, revealing compensatory mechanisms for oxidative stress.

mSystems · Dec 17, 2025Peer-reviewedSystems Biology

Modeling the emergent metabolic potential of soil microbiomes in Atacama landscapes

Constanza M. Andreani-Gerard, Natalia E. Jiménez, Ricardo Palma, Coralie Muller, Pauline Hamon-Giraud, Yann Le Cunff, Verónica Cambiazo, Maurício González, Anne Siegel, Clémence Frioux, Alejandro Maass

The paper develops a computational framework to model soil microbiome metabolic potential in the Atacama Desert, identifying key species and functions across different environmental conditions.

Environmental Microbiome · Nov 16, 2025Peer-reviewedSystems Biology

The rhizosphere of Pappostipa frigida as a hotspot of active bacterial communities in the Andean steppe of the Atacama Desert

Daniel E. Palma, Constanza Schapheer, Alexis Gaete, Pamela Aravena, Camila Albarrán-Cuitiño, Constanza Aguado‐Norese, Maurício González, Verónica Cambiazo

This study investigates bacterial communities in the rhizosphere and bulk soil of Pappostipa frigida, finding higher diversity and activity in the rhizosphere compared to bulk soil.

bioRxiv · Oct 3, 2025 · PreprintMicrobiology

Photosynthetic and Genetic Adaptations Underpinning the Resilience of Cistanthe longiscapa in the Atacama Desert

Omar Sandoval-Ibáñez, Patricio Tapia-Reyes, Aníbal Riveros, Ricardo Yusta, Shengxin Chang, Paulina G. Ossa, Ricardo Nilo‐Poyanco, Adrián A. Moreno, Alvaro Miquel, Andréa Miyasaka Almeida, Andrés Zurita‐Silva, Daniela Orellana, Carlos M. Baeza, Francisca Blanco‐Herrera, Alex Di Genova, , Ariel Orellana

This study identifies physiological and genetic adaptations in Cistanthe longiscapa that enable survival in the Atacama Desert, including CAM metabolism and expanded gene families.

bioRxiv · Dec 8, 2024 · PreprintPlant Biology

Whole genome sequence of Mapuche-Huilliche Native Americans

Elena A. Vidal, Tomás C. Moyano, Bernabé I. Bustos, Eduardo Pérez‐Palma, Carol Moraga, Eleodoro Riveras, Alejandro Montecinos, Lorena Azócar, Daniela C. Soto, Mabel Vidal, Alex Di Genova, Klaus Püschel, Peter Nürnberg, Stephan Buch, Jochen Hampe, , Rodrigo A. Gutiérrez

The paper presents the whole genome sequences of 11 Mapuche-Huilliche individuals, identifying novel variants and structural events, and highlights their potential relevance to disease susceptibility in admixed populations.

Scientific Reports · Feb 14, 2019Peer-reviewedGenomics