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Traditional strategies to treat lung infections are based on the premise that the lung is sterile; however, it is now thought that the lung contains a resident microbiota. Here, Cooksonet al. propose that concepts flowing from the Human Microbiome Project can transform the treatment of lung infections.
Risk assessment for the development of antibiotic resistance against a new drug candidate is of paramount importance in preclinical development. In this Opinion article, Sommeret al. propose a new preclinical paradigm for the prediction of antibiotic resistance.
The evolutionary function of natural competence remains controversial and several hypotheses for a function have been proposed. In this Opinion article, Veening and Blokesch propose that kin-discriminated predation that is linked to natural competence serves as a DNA acquisition strategy and therefore contributes to bacterial evolution.
The resilience of the microbiota can protect us from disease, but a resilient dysbiotic microbiota may also cause disease. This Opinion article discusses the concepts and mechanisms of microbial resilience against dietary, antibiotic or bacteriotherapy-induced perturbations and the implications these have for human health.
Zoonotic diseases present a substantial global health burden. In this Opinion article, Plowrightet al. present an integrative conceptual and quantitative model that reveals that all zoonotic pathogens must overcome a hierarchical series of barriers to cause spillover infections in humans.
Macromolecular crowding affects the physicochemistry of the cytoplasm and, in turn, microbial physiology. We propose that cells maintain the overall concentration of macromolecules within a narrow range (a process that we refer to as 'homeocrowding') and discuss possible mechanisms for achieving this.
Sequencing viral DNA and RNA is an important part of clinical practice, although, so far, mostly subgenomic fragments have been sequenced. In this Opinion article, Houldcroft, Beale and Breuer highlight the potential that sequencing whole viral genomes has for clinical applications.
