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Frederick M. Cohan

Publications

  1. Koeppel, A., E. B. Perry, J. Sikorski, D. Krizanc, W. A. Warner, D. M .Ward, A. P. Rooney, E. Brambilla, N. Connor, E. Nevo, R. M. Ratcliff, and F. M. Cohan. 2008. Identifying the fundamental units of bacterial diversity: A paradigm shift to incorporate ecology into bacterial systematics. Proc. Natl. Acad. Sci. USA 105: 2504-2509.

  2. Ward, D.M., F. M. Cohan, D. Bhaya, J.F. Heidelberg, M. Kühl, and A. Grossman. 2007. Genomics, environmental genomics and the issue of microbial species. Heredity (accepted, in press).

  3. Price, N.P.J., A.P. Rooney, J.L. Swezey, E. Perry, and F.M. Cohan. 2007. Mass spectroscopic analysis of lipopeptides from Bacillus strains isolated from diverse geographical locations. FEMS Microbiology Letters 271: 83-89.

  4. Cohan, F.M., D. Krizanc, and Y. Lu. 2007. Estimating bacterial diversity from environmental DNA: A maximum likelihood approach. Proceedings of the International Symposium on Bioinformatics Research and Applications_Lecture Notes in Bioinformatics.  (accepted, in press). full text, pdf file

  5. Perry, E.B., A. Koeppel, D. Krizanc, A.P.  Rooney, J. Sikorski, E. Nevo, and F.M. Cohan. 2007. Identifying the fundamental units of diversity among Bacillus isolates from Evolution Canyon’ III. Israel Journal of Ecology and Evolution (accepted, in press).

  6. Bhaya, D., A. R. Grossman, A. Steunou, N. Khuri, F. M. Cohan, N. Hamamura, M. C. Melendrez, W. Nelson, M. M. Bateson, D. M. Ward, and J. F. Heidelberg. 2007. Population level functional diversity in a microbial community revealed by comparative genomic and metagenomic analyses. ISME Journal (accepted, in press).
     

  7. Cohan, F. M. and E. B. Perry. 2007. A systematics for identifying the fundamental units of bacterial diversity.  Current Biology 17: R373-R386. full text, pdf file

  8. Ward, D.M., M.M. Bateson, M.J. Ferris, M. Kühl, A. Wieland, A. Koeppel, and F.M. Cohan.  2006. Cyanobacterial ecotypes in the microbial mat community of Mushroom Spring (Yellowstone National Park, Wyoming) as species-like units linking microbial community composition, structure and function.  Proceedings of the Royal Society of London Series B 361: 1997-2008. full text, pdf file

  9. Cohan, F.M.  2006. Toward a conceptual and operational union of bacterial systematics, ecology, and evolution.  Proceedings of the Royal Society of London Series B 361:1985-1996. full text, pdf file

  10. Gevers, D., F. Cohan, F., J. Lawrence, B.G. Spratt, T. Coenye, E.J. Feil, E. Stackebrandt, G. Manfio, Y. Van de Peer, X . Nesme, F. Thompson, and  J. Swings. 2005.  Re-evaluating prokaryotic species. Nature Reviews Microbiology 3:733-739. full text, pdf file

  11. Ward, D.M. and F.M. Cohan. 2005. Microbial diversity in hot spring cyanobacterial mats: pattern and prediction.  In: Geothermal Biology and Geochemistry in Yellowstone National Park (W. P. Inskeep and T. McDermott, eds.). Montana State University Thermal Biology Institute, pp. 185-201.  full text, pdf file

  12. Cohan, F.M. 2005. Periodic selection and ecological diversity in bacteria.  In: Selective Sweeps, (D. Nurminsky, editor), Chapter 7, Landes Bioscience. full text, pdf file.

  13. Godreuil, S., F. Cohan, H. Shah, and M. Tibayrenc. 2005. Which species concept for bacteria?  An E-debate. Infection, Genetics and Evolution 5:375-387. full text, pdf file

  14. Cohan, F. M., A. Koeppel, and D. Krizanc. 2006. Sequence-based discovery of ecological diversity within Legionella. In Legionella: State of the Art 30 Years after Its Recognition. (N. P. Cianciotto, Y. Abu Kwaik, P. H. Edelstein, B. S. Fields, D. F. Geary, T. G. Harrison, C. A. Joseph, R. M. Ratcliff, J. E. Stout, and M. S. Swanson, eds.). American Society for Microbiology, Washington, D.C., pp. 367-376.

  15. Cohan, F.M. 2004. Concepts of bacterial biodiversity for the age of genomics. In: Microbial Genomes, (C.M. Fraser, T. Read, and K.E. Nelson, editors), Humana Press, pp. 175-194. full text pdf file

  16. Feldgarden, M., N. Byrd, and F.M. Cohan. 2003. Gradual evolution in bacteria: Evidence from Bacillus systematics. Microbiology 149: 3565-3573. full text pdf file

  17. Cohan, F.M. 2002. Sexual isolation and speciation in bacteria. Genetica 116: 359-370. full text pdf file

  18. Cohan, F M. 2002. What are bacterial species? An. Rev. Microbiol. 56: 457-87. full text pdf file

  19. Cohan, F.M. 2002. Clonal structure. In: Encyclopedia of Evolution, (M. Pagel, editor in chief), Oxford University Press, pp. 159-163.

  20. Palmisano, M.M., L.K. Nakamura, K.E. Duncan, C.A. Istock, and F.M. Cohan. 2001. Bacillus sonorensis sp. nov., a close relative of Bacillus licheniformis, isolated from soil in the Sonoran Desert, Arizona. Int'l J. Syst. Evol. Microbiol. 51: 1671-1679. full text pdf file

  21. Cohan, F.M. 2001. Bacterial species and speciation. Syst. Biol. 50: 513-524. full text pdf file

  22. Palys, T., E. Berger, I. Mitrica, L.K. Nakamura, and F.M. Cohan. 2000. Protein-coding genes as molecular markers for ecologically distinct populations: the case of two Bacillus species. Int'l J. Syst. Evol. Microbiol. 50: 1021-1028. full text pdf file

  23. Majewski, J., P. Zawadzki, P. Pickerill, F.M. Cohan, and C.W. Dowson. 2000. Barriers to genetic exchange between bacterial species: Streptococcus pneumoniae transformation. J. Bacteriol. 182:1016-1023. abstract with pdf full text access

  24. Nakamura, L.K., M.S. Roberts and F.M. Cohan. 1999. Relationship between the Bacillus subtilis clades associated with strains 168 and W23: a proposal for B. subtilis subsp. subtilis and B. subtilis subsp. spizizenii. Int'l J. Syst. Bacteriol. 49: 1211-1215. full text pdf file

  25. Majewski, J. and F.M. Cohan. 1999. DNA sequence similarity requirements for interspecific recombination in Bacillus. Genetics 153: 1525-1533. abstract with pdf full text access

  26. Majewski, J. and F.M. Cohan. 1999. Adapt globally, act locally: The effect of selective sweeps on bacterial sequence diversity. Genetics 152(4): 1459-1474. abstract with pdf full text access

  27. Cohan, F.M. 1999. Genetic structure of bacterial populations. In: Evolutionary Genetics from Molecules to Morphology, (R. Singh and C. Krimbas, eds.), pp. 475-489, Cambridge University Press.Majewski, J. and F.M. Cohan. 1998. The effect of mismatch repair and heteroduplex formation on sexual isolation in Bacillus. Genetics 148: 13-18. abstract with pdf full text access

  28. Palys, T., F.M. Cohan, and L.K. Nakamura. 1997. Discovery and classification of ecological diversity in the bacterial world: the role of DNA sequence data. Int'l J. Syst. Bacteriol. 47: 1145-1156. full text pdf file

  29. Cohan, F.M. 1996. The role of genetic exchange in bacterial evolution. Amer. Soc. for Microbiol. News 62: 631-636.

  30. Roberts, M.S., L.K. Nakamura, and F.M. Cohan. 1996. Bacillus vallismortis sp. nov., a close relative of Bacillus subtilis, isolated from soil in Death Valley, California. Int'l J. Syst. Microbiol. 46: 470-475. full text pdf file

  31. Zawadzki, P., M.A. Riley, and F.M. Cohan 1996 Homology among nearly all plasmids infecting three Bacillus species. J. Bacteriol. 178: 191-198. abstract with pdf full text access

  32. Zawadzki, P. and F.M. Cohan. 1995. The size and continuity of DNA segments integrated in Bacillus transformation. Genetics 141: 1231-1243. abstract

  33. Roberts, M.S. and F.M. Cohan. 1995. Recombination and migration rates in natural populations of Bacillus subtilis and Bacillus mojavensis. Evolution 49: 1081-1094.

  34. Zawadzki, P., M.S. Roberts, and F.M. Cohan. 1995. The log-linear relationship between sexual isolation and sequence divergence in Bacillus transformation is robust. Genetics 140: 917-932. abstract

  35. Cohan, F.M. 1995. Does recombination constrain neutral divergence among bacterial taxa? Evolution 49: 164-175.

  36. Cohan, F.M., E.C. King, and P. Zawadzki. 1994. Amelioration of the deleterious pleiotropic effects of an adaptive mutation in Bacillus subtilis. Evolution 48: 81-95.

  37. Roberts, M.S., L.K. Nakamura, and F.M. Cohan. 1994. Bacillus mojavensis sp. nov., distinguishable from Bacillus subtilis by sexual isolation, divergence in DNA sequence, and differences in fatty acid composition. Int'l J. Syst. Bacteriol. 44: 256-264. abstract

  38. Cohan, F.M. 1994. Genetic exchange and evolutionary divergence in prokaryotes. Trends in Ecology & Evolution 9: 175-180.

  39. Cohan, F.M. 1994. The effects of rare but promiscuous genetic exchange on evolutionary divergence in prokaryotes. American Naturalist 143: 965-986. full text pdf file