Research projects

  • The role of human foot traffic and artificial lighting in southern Appalachian show caves
  • The role of sediment chemistry in biologically-mediated ferromanganese deposits in southern Appalachian caves
  • Characterization of ferromanganese deposits in southern Appalachian caves, wetlands, and surface waters
  • Manganese biomineralization by fungi in southern Appalachian caves
  • Microbial ecology in ferromanganese deposits in cave systems, wetlands, and surface waters
  • Genetics of both Mn-oxidizing bacteria and fungi
  • Valence states of Mn(II/III/IV) in biomineralizing fungal cells
  • Biological origins for Mn oxide ore deposits in the southern Appalachians
  • Mn-oxidizing bacterial communities in high-elevation wetlands
  • The role of anthropogenic impact in Mn cycling in caves

Techniques we typically use

  • Illumina sequencing
  • culturing of Mn oxidizing bacteria and fungi
  • scanning electron microscopy
  • transmission electron microscopy
  • X-ray diffraction
  • electron diffraction
  • C/N flash analysis