Author

Aretha Fiebig

3 papers indexed here

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Open access Sep 2026

A Caulobacter hub taxon in the soybean root endosphere has a distinctive biofilm and engages in riboflavin-mediated mutualism with Bradyrhizobium

While it is well established that communities of microbes colonize the surfaces of plants as epiphytes and the interior plant tissues as endophytes, their ecological roles and colonization mechanisms remain under characterized. Members of the genus Caulobacter have emerged as hub taxa in epiphytic and endophytic microb...

Madeline A. Quinlan, Sean Crosson, Sarah L. Lebeis et al. · bioRxiv · 0 citations

Open access Sep 2026

Temporal, genome-scale analysis of Myxococcus xanthus developmental fate in a mixed population

Myxococcus xanthus bacteria form aggregates when starved on solid surfaces and some cells differentiate into spores. Studies of mutants in monoculture have advanced knowledge of this multi-cellular developmental process, but our understanding of the genetic determinants is incomplete. To assess gene function genomewide...

Sheenu Mittal, Saikat Mandal, Mark A. Farrugia et al. · bioRxiv · 0 citations

Open access Jul 2026

BR-bodies link RNA homeostasis to stress tolerance and intracellular fitness in Brucella

Bacterial gene expression depends on the coordinated regulation of RNA synthesis, processing, and decay. The conserved RNA degradosome scaffold, Ribonuclease E (RNase E), assembles into phase-separated bacterial ribonucleoprotein bodies (BR-bodies) through its C-terminal intrinsically disordered region (IDR). This IDR...

Kaveendya S. Mallikaarachchi, Rosemary Northcote, Thomas Kim et al. · bioRxiv · 1 citation