Siefert Lab

Siefert, J., Souza, V,. Eguiarte, L., & Olmedo, G. (2012) Microbial Stowaways: Inimitable Survivors or Hopeless Pioneers? Astrobiology. In Press

Nitti, A., Daniels, C., Siefert, J., Souza, V., Hollander, D., & Breitbart, M. (2012) Spatially-resolved Genomic, Molecular Organic, and Stable Isotopic Analyses of an Actively-accreting Freshwater Microbialite from Cuatro Ciénegas, Mexico. Astrobiology. In press.

Souza, V., Siefert, J., Escalante, A.E., Elser, J, and Eguiarte, L. (2012) The Cuatro Cienegas Basin in Coahuila, Mexico: an Astrobiological Precambrian Park. Astrobiology, In press.

Siefert, JL, (2011) Astrobiology Pioneers: How a Real Housewife Became an Astrobiologist, Astrobiology, 11, 193-195

Breitbart,M., Hoare,A., Nitti,A., Siefert,J., Haynes,M., Dinsdale,E., Edwards,R., Souza,V., Rohwer,F., & Hollander,D.  (2009) Metagenomic and Stable Isotopic Analyses of Modern Freshwater Microbialites in Cuatro Ciénegas, Mexico. Environmental Microbiology 11, 16-34.

Souza,V., Eguiarte,L.E., Siefert,J., & Elser,J.J. (2008) Microbial endemism: does phosphorus limitation enhance speciation? Nat Rev Microbiol. 6, 559-564.

Alcaraz,L.D., Olmedo,G., Bonilla,G., Cerritos,R., Hernandez,G., Cruz,A., Ramirez,E., Putonti,C., Jimenez,B., Martinez,E., Lopez,V., Arvizu,J.L., Ayala,F., Razo,F., Caballero,J., Siefert,J., Eguiarte,L., Vielle,J.P., Martinez,O., Souza,V., Herrera-Estrella,A., & Herrera-Estrella,L. (2008) The genome of Bacillus coahuilensis reveals adaptations essential for survival in the relic of an ancient marine environment. Proc. Natl. Acad. Sci. U. S. A. 105, 5803-5808.

Cerritos,R., Vinuesa,P., Eguiarte,L., Herrera,L., Alcaraz,L., Olmedo,G., Siefert,J., & Souza,V. (2008) Bacillus coahuilensis  sp. nov. a new moderately halophilic species from different pozas in the Cuatro Ciénegas Valley in Coahuila, México. IJSB. 58, 919-23.

Cerritos,R., Eguiarte,L., Avitia,M., Siefert,J., & Souza,V. (2008) High diversity of previously unknown cultivable species in an oasis of biodiversity in Cuatro Ciénegas, Coahuila, Mexico. FEMS Microbiol Ecol.

Desnues,C.M., Rodriguez-Brito,B., Rayhawk,S., Kelley,S., Tran,T., Haynes,M., Liu,H., Angly,F.E., Edwards,R.A., Thurber,R.V., Breitbart,M., Siefert,J.L., Souza,V., & Rohwer,F. (2008) Diversity and evolution of viruses in modern stromatolites and thrombolites. Nature. 452, 340-343.

Kiang,N.Y., Siefert,J.L., Govindjee, & Blankenship,R.E. (2007) Spectral Signatures of Photosynthesis. I. A Review of Earth Organisms. Astrobiology 7, 222-251.

Kiang,N.Y., Segura,A., Tinetti,G., Govindjee, Blankenship,R.E., Cohen,M., Siefert,J.L., Crisp,D., & Meadows,V.S. (2007) Spectral Signatures of Photosynthesis. II. Coevolution with Other Stars and the Atmosphere on Extrasolar Worlds. Astrobiology 7, 252-274.

Kharecha,P.A., Kasting,J.F., & Siefert,J.L. (2005) A coupled atmosphere-ecosystem model of the early Archean Earth. Geobiology 3, 53-76.

Raymond,J., Siefert,J.L., Staples,C.R., & Blankenship,R.E. (2004) The Natural History of Nitrogen Fixation. Mol. Biol. Evol.  21, 541-554.

Martin,K.A., Siefert,J.L., Yerrapragada,S., Lu,Y., McNeill,T.Z., Moreno,P.A., Weinstock,G.M., Widger,W.R., & Fox,G.E. (2003) Cyanobacterial signature genes. Photosynth. Res 75, 211-221.

Kharecha,P.A., Kasting,J.F., & Siefert,J.L. (2002)  Predicting the biogenic methane concentration in the Archean atmosphere using numerical modeling. Astrobiology 4, 528-529.

Kasting,J.F. & Siefert,J.L. (2002) Life and the evolution of Earth's atmosphere. Science 296, 1066-1068.

Raymond,J., Blankenship,R.E., & Siefert,J.L.  (2002) Horizontal gene transfer in the evolution of nitrogen fixation. Astrobiology 4, 499.

Siefert,J.L. & Kasting,J.F.  (2002 Evidence for an ancient operon of redox biochemistry. Astrobiology 4, 441.

Kasting,J.F., Pavlov,A.A., & Siefert,J.L. (2001) A coupled ecosystem-climate model for predicting the methane concentration in the Archean atmosphere. Orig. Life Evol Biosph. 31, 271-285.

Kasting,J.F. & Siefert,J.L. (2001) Biogeochemistry. The nitrogen fix. Nature 412, 26-27.

Siefert,J.L., Larios-Sanz,M., Nakamura,L.K., Slepecky,R.A., Paul,J.H., Moore,E.R., Fox,G.E., & Jurtshuk,P., Jr. (2000) Phylogeny of marine Bacillus isolates from the Gulf of Mexico. Curr. Microbiol. 41, 84-88.

Hedenstierna,K.O., Siefert,J.L., Fox,G.E., & Murgola,E.J. (2000) Co-conservation of rRNA tetraloop sequences and helix length suggests involvement of the tetraloops in higher-order interactions. Biochimie  82, 221-227.

Siefert,J.L. & Fox,G.E. (1998) Phylogenetic mapping of bacterial morphology. Microbiology 144, 2803-2808.

Siefert,J.L., Martin,K.A., Abdi,F., Widger,W.R., & Fox,G.E. (1997) Conserved gene clusters in bacterial genomes provide further support for the primacy of RNA. J. Mol Evol 45, 467-472.

Pitulle,C., Yang,Y., Marchiani,M., Moore,E.R., Siefert,J.L., Aragno,M., Jurtshuk,P., Jr., & Fox,G.E. (1994) Phylogenetic position of the genus Hydrogenobacter. Int. J. Syst. Bacteriol. 44, 620-626.