AUTHOR=Toledo-Alarcón Javiera , Ortega-Martinez Eduardo , Pavez-Jara Javier , Franchi Oscar , Nancucheo Ivan , Zuñiga-Barra Héctor , Campos Jose Luis , Jeison David TITLE=Groundwater denitrification using electro-assisted autotrophic processes: exploring bacterial community dynamics in a single-chamber reactor JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2025.1475589 DOI=10.3389/fbioe.2025.1475589 ISSN=2296-4185