- A metagenomic window into carbon metabolism at 3 km depth in Precambrian continental crust. The ISME Journal. 10:730-741.
- An oligotrophic deep-subsurface community dependent on syntrophy is dominated by sulfur-driven autotrophic denitrifiers. Proceedings of the National Academy of Sciences. 113:E7927-E7936.
- Comparisons of the composition and biogeographic distribution of the bacterial communities occupying South African thermal springs with those inhabiting deep subsurface fracture water. Frontiers in Microbiology. 5.
- Dissolved Organic Matter Compositions in 0.6–3.4 km Deep Fracture Waters, Kaapvaal Craton, South Africa. Organic Geochemistry. 118:116-131.
- Draft Genome Sequence of “Candidatus Bathyarchaeota” Archaeon BE326-BA-RLH, an Uncultured Denitrifier and Putative Anaerobic Methanotroph from South Africa’s Deep Continental Biosphere. Microbiology Resource Announcements. 7.
- Fluctuations in populations of subsurface methane oxidizers in coordination with changes in electron acceptor availability. FEMS Microbiology Ecology. 94:fiy089.
- Genetic variability of Candidatus Desulforudis audaxviator in the deep subsurface
- Phylogeny and phylogeography of functional genes shared among seven terrestrial subsurface metagenomes reveal N-cycling and microbial evolutionary relationships. Frontiers in Microbiology. 5.
- Single cell genomics indicates horizontal gene transfer and viral infections in a deep subsurface Firmicutes population. Frontiers in Microbiology. 6:349.
- South African crustal fracture fluids preserve paleometeoric water signatures for up to tens of millions of years. Chemical Geology. 493:379-395.
- Variations in microbial carbon sources and cycling in the deep continental subsurface. Geochimica et Cosmochimica Acta. 173:264-283.