Publications

Our most recent list of publications can be found here: http://works.bepress.com/frederick_cohan/

  1. Becraft, E. D., F. M. Cohan, M. Kühl, S. Jensen, and D. M. Ward. 2011. Fine-scale distribution patterns of Synechococcus ecological diversity in the microbial mat of Mushroom Spring, Yellowstone National Park. Applied and Environmental Microbiology (77:7689-97).To have article emailed to you: fcohan@wesleyan.edu
  2. Ward, D. M., Melendrez, M. C., Becraft, E. D., Klatt, C. G., Wood, J. & Cohan, F. M. 2011. Metagenomic approaches for the identification of microbial species. In Handbook of Molecular Microbial Ecology, Volume I: Metagenomics and Complementary Approaches, pp. 105-109. Edited by F. J. de Bruijn: Wiley-Blackwell.
  3. Cohan, F. M. 2011. Species. In: Encyclopedia of Genetics. Edited by S. Maloy & K. Hughes. Oxford: Elsevier (invited chapter, accepted)
  4. Klatt, C. G., J. M. Wood, D. B. Rusch, M. M. Bateson, N. Hamamura, J. F. Heidelberg, A. R. Grossman, D. Bhaya, F. M. Cohan, M. Kűhl, D. A. Bryant, and D. M. Ward. 2011. Community ecology of hot spring cyanobacterial mats: predominant populations and their functional potential. ISME Journal 5:1262-1278. To have article emailed to you : fcohan@wesleyan.edu
  5. Cohan, F.M. and S. M. Kopac. 2011. Microbial genomics: E. coli relatives out of doors and out of body. Current Biology 21:R587-R589 To have article emailed to you click here: fcohan@wesleyan.edu
  6. Melendrez, M.C., Lange, R.K., Cohan, F.M. & Ward, D.M. (2011). Influence of molecular resolution on sequence-based discovery of ecological diversity among Synechococcus populations in an alkaline siliceous hot spring microbial mat. Applied and Environmental Microbiology 77:1359-1367.
  7. Wiedenbeck, J. and F.M. Cohan. 2011. The origins of bacterial diversity through horizontal transfer and domestication of niche-transcending adaptations. FEMS Microbiology Reviews 35:957-976. To have article emailed to you click here: fcohan@wesleyan.edu
  8. Kopac, S. and F.M. Cohan 2011. A theory-based pragmatism for discovering and classifying newly divergent bacterial species. In Genetics and Evolution of Infectious Diseases, pp. 21-41. Edited by M. Tibayrenc. London: Elsevier.
  9. Cohan, F.M. 2010. Synthetic biology: Now that we’re creators, what should we create? Current Biology 20: R675-677.
  10. Cohan, F.M. 2010. Are species cohesive? A view from bacteriology. In: Bacterial Population Genetics: A Tribute to Thomas S. Whittam, (S. Walk and P. Feng, eds.), American Society for Microbiology Press, Washington, pp 43-65.
  11. Connor, N., J. Sikorski, A. P. Rooney, S. Kopac, A. F. Koeppel, A. Burger, S. G. Cole, E. B. Perry, D. Krizanc, N. C. Field, M. Slaton, and F. M. Cohan. 2010. The ecology of speciation in Bacillus. Applied and Environmental Microbiology 76:1349-1358.
  12. Cohan, F. M. 2009. Tracking bacterial responses to global warming with an ecotype-based systematics. Clinical Microbiology and Infection 15(s1):54-59.
  13. Cohan, F.M. and A.F. Koeppel. 2008. The origins of ecological diversity in prokaryotes. Current Biology 18:R1024-R1034
  14. 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.
  15. Ward, D.M., F. M. Cohan, D. Bhaya, J.F. Heidelberg, M. Kϋhl, and A. Grossman. 2007. Genomics, environmental genomics and the issue of microbial species. Heredity 100: 207-219
  16. 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.
  17. Cohan, F.M., D. Krizanc, and Y. Lu. 2007. Estimating bacterial diversity from environmental DNA: A maximum likelihood approach. International Symposium on Bioinformatics Research and Applications 2007. pp 133-144. full text, pdf file
  18. Perry, E.B., A. Koeppel, D. Krizanc, A.P. Rooney, J. Sikorski, E. Nevo, and F.M. Cohan. 2006. Identifying the fundamental units of diversity among Bacillus isolates from Evolution Canyon III. Israel Journal of Ecology and Evolution 52: 543-552.
  19. 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 Journal1: 703-713.
  20. 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
  21. Ward, D.M., M.M. Bateson, M.J. Ferris, M. Kϋhl, 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
  22. 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
  23. 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
  24. 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
  25. 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.
  26. 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
  27. 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.
  28. 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
  29. 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
  30. Cohan, F.M. 2002. Sexual isolation and speciation in bacteria. Genetica 116: 359-370. full text pdf file
  31. Cohan, F M. 2002. What are bacterial species? An. Rev. Microbiol. 56: 457-87. full text pdf file
  32. Cohan, F.M. 2002. Clonal structure. In: Encyclopedia of Evolution, (M. Pagel, editor in chief), Oxford University Press, pp. 159-163.
  33. 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
  34. Cohan, F.M. 2001. Bacterial species and speciation. Syst. Biol. 50: 513-524. full text pdf file
  35. 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
  36. 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
  37. Nakamura, L.K., M.S. Roberts and F.M. Cohan. 1999. Relationship between the Bacillus subtilisclades associated with strains 168 and W23: a proposal for B. subtilis subsp. subtilis and B. subtilissubsp. spizizenii. Int’l J. Syst. Bacteriol. 49: 1211-1215. full text pdf file
  38. 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
  39. 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
  40. 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
  41. 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
  42. Cohan, F.M. 1996. The role of genetic exchange in bacterial evolution. Amer. Soc. for Microbiol. News62: 631-636.
  43. Roberts, M.S., L.K. Nakamura, and F.M. Cohan. 1996. Bacillus vallismortis sp. nov., a close relative ofBacillus subtilis, isolated from soil in Death Valley, California. Int’l J. Syst. Microbiol. 46: 470-475. full text pdf file
  44. Zawadzki, P., M.A. Riley, and F.M. Cohan 1996 Homology among nearly all plasmids infecting threeBacillus species. J. Bacteriol. 178: 191-198. abstract with pdf full text access
  45. Zawadzki, P. and F.M. Cohan. 1995. The size and continuity of DNA segments integrated in Bacillustransformation. Genetics 141: 1231-1243. abstract
  46. Roberts, M.S. and F.M. Cohan. 1995. Recombination and migration rates in natural populations ofBacillus subtilis and Bacillus mojavensis. Evolution 49: 1081-1094.
  47. 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
  48. Cohan, F.M. 1995. Does recombination constrain neutral divergence among bacterial taxa? Evolution49: 164-175.
  49. 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.
  50. 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
  51. Cohan, F.M. 1994. Genetic exchange and evolutionary divergence in prokaryotes. Trends in Ecology & Evolution 9: 175-180.
  52. 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