Items where Author is "Fredricks, Helen F"

Schubotz, F, Meyer-Dombard, DR, Bradley, AS, Fredricks, HF, Hinrichs, KU, Shock, EL and Summons, RE (2013) Spatial and temporal variability of biomarkers and microbial diversity reveal metabolic and community flexibility in Streamer Biofilm Communities in the Lower Geyser Basin, Yellowstone National Park. Geobiology, 11(6). 549-569. doi:10.1111/gbi.12051

Schubotz, F, Wakeham, SG, Lipp, JS, Fredricks, HF and Hinrichs, KU (2009) Detection of microbial biomass by intact polar membrane lipid analysis in the water column and surface sediments of the Black Sea. Environmental Microbiology, 11(10). 2720-2734. doi:10.1111/j.1462-2920.2009.01999.x

Bradley, AS, Fredricks, HF, Hinrichs, KU and Summons, RE (2009) Structural diversity of diether lipids in carbonate chimneys at the Lost City Hydrothermal Field. Organic Geochemistry, 40(12). 1169-1178. doi:10.1016/j.orggeochem.2009.09.004

Rossel, PE, Lipp, JS, Fredricks, HF, Arnds, J, Boetius, A, Elvert, M and Hinrichs, KU (2008) Intact polar lipids of anaerobic methanotrophic archaea and associated bacteria. Organic Geochemistry, 39(8). 992-999. doi:10.1016/j.orggeochem.2008.02.021

Ertefai, TF, Fisher, MC, Fredricks, HF, Lipp, JS, Birgel, D, Udert, KM, Cavanaugh, CM, Pearson, A, Gschwend, PM and Hinrichs, KU (2008) Vertical distribution of microbial lipids and functional genes in chemically distinct layers of a highly polluted meromictic lake. Organic Geochemistry, 39(11). 1572-1588. doi:10.1016/j.orggeochem.2008.07.009

Fredricks, HF and Hinrichs, KU (2007) Data Report: Intact membrane lipis as indicators of subsurface life in Cretaceous and Paleogene sediments from Sites 1257 and 1258. In: Mosher, DC, Erbacher, J and Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results. College Station, TX (Ocean Drilling Program), 1-11. doi:10.2973/odp.proc.sr.207.112.2007

Biddle, JF, Lipp, JS, Lever, MA, Lloyd, K, Sorensen, KB, Anderson, R, Fredricks, HF, Elvert, M, Kelly, TJ, Schrag, DP, Sogin, ML, Brenchley, JE, Teske, AP, House, CH and Hinrichs, KU (2006) Heterotrophic Archaea dominate sedimentary subsurface ecosystems off Peru. Proceedings of the National Academy of Sciences, 103(10). 3846-3851. doi:10.1073/pnas.0600035103