个人简介
PhD, Stanford University
MS, Stanford University
BS, Cornell University
研究领域
Environmental microbiology, microbial metal oxidation and reduction, Cyanobacterial macromorphology, geomicrobiology, bioremediation, and water quality.
近期论文
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Deller, M.C., Johnson, H.A., Miller, M.D., Spraggon, G., Elsliger, M.A., Wilson, I.A., and Lesley, S.A. Crystal structure of a two-subunit TrkA octameric gating ring assembly. PLoS One 10(3): e0122512. 2015.
Nakama, K., Medina, M., Lien, A., Ruggieri, J., Collins, K., and Johnson, H.A. Heterologous expression and characterization of the manganese oxidizing protein from Erythrobacter sp. strain SD21. Applied and Environmental Microbiology 80(21): 6837-42. 2014.
Banh, A., Chavez, V., Doi, J., Nguyen, A., Hernandez, S., Ha, V., Jimenez, P., Espinoza, F., and Johnson, H.A. Manganese (Mn) oxidation increases intracellular Mn in Pseudomonas putida GB-1. PLoS One 8(10): e77835. 2013.
Reyes, K., Gonzalez, N.I., Stewart, J., Ospino, F., Nguyen, D., Cho, D.T., Ghahremani, N., Spear, J.R., and Johnson, H.A. Surface orientation affects the direction of cone growth by Leptolyngby sp. strain C1, a likely architect of coniform structures in Octopus Spring (Yellowstone National Park). Applied and Environmental Microbiology 79(4): 1302-8. 2013. Cover image.
Anderson, C.R., Johnson, H.A., Caputo, N., Davis, R.E., Torpey, J.W., and Tebo, B.M. Mn(II) oxidation is catalyzed by heme peroxidases in " Aurantimonas manganoxydans " strain SI85-9A1 and Erythrobacter sp. strain SD-21. Applied and Environmental Microbiology 75(12):4130-8. 2009.
Johnson, H.A., Hampton, E. and Lesley, S. A . The Thermotoga maritima Trk potassium transporter – from frameshift to function. Journal of Bacteriology 191: 2276-84. 2009.
Dick, G.J., Podell, S., Johnson, H.A., Rivera-Espinoza, Y., Bernier-Latmani, R., McCarthy, J.K., Torpey, J.W., Clement, B.G., Gaasterland, T., and Tebo, B. M. Genomic insights into Mn(II) oxidation by the marine α -proteobacterium Aurantimonas sp. strain SI85-9A1. Applied and Environmental Microbiology 74: 2646-58. 2008.
Johnson, H.A. and Tebo, B.M. In vitro studies indicate a quinone is involved in bacterial Mn(II) oxidation. Archives of Microbiology 189: 59-69. 2008.