F M Cohan

Summary

Affiliation: Wesleyan University
Country: USA

Publications

  1. doi request reprint Prokaryotic sex: eukaryote-like qualities of recombination in an Archaean lineage
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, CT, USA
    Curr Biol 22:R601-2. 2012
  2. doi request reprint Microbial genomics: E. coli relatives out of doors and out of body
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, Connecticut, USA
    Curr Biol 21:R587-9. 2011
  3. doi request reprint Synthetic biology: now that we're creators, what should we create?
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, Connecticut, USA
    Curr Biol 20:R675-7. 2010
  4. doi request reprint Tracking bacterial responses to global warming with an ecotype-based systematics
    F M Cohan
    Department of Biology, Wesleyan University, Middletown, CT 06459 0170, USA
    Clin Microbiol Infect 15:54-9. 2009
  5. doi request reprint The origins of ecological diversity in prokaryotes
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, CT 06459 0170, USA
    Curr Biol 18:R1024-34. 2008
  6. pmc Towards a conceptual and operational union of bacterial systematics, ecology, and evolution
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, CT 06459 0170, USA
    Philos Trans R Soc Lond B Biol Sci 361:1985-96. 2006
  7. ncbi request reprint Sexual isolation and speciation in bacteria
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, CT 06459 0170, USA
    Genetica 116:359-70. 2002
  8. ncbi request reprint Bacterial species and speciation
    F M Cohan
    Department of Biology, Wesleyan University, Middletown, Connecticut 06459 0170, USA
    Syst Biol 50:513-24. 2001
  9. ncbi request reprint What are bacterial species?
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, Connecticut 06459 0170, USA
    Annu Rev Microbiol 56:457-87. 2002
  10. pmc Barriers to genetic exchange between bacterial species: Streptococcus pneumoniae transformation
    J Majewski
    Department of Biology, Wesleyan University, Middletown, Connecticut 06459, USA
    J Bacteriol 182:1016-23. 2000

Collaborators

Detail Information

Publications19

  1. doi request reprint Prokaryotic sex: eukaryote-like qualities of recombination in an Archaean lineage
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, CT, USA
    Curr Biol 22:R601-2. 2012
    ..Genetic exchange within one Archaean lineage is a bit like sex in eukaryotes - cells fuse and huge segments of DNA are recombined - with consequences for the spread of adaptations across species...
  2. doi request reprint Microbial genomics: E. coli relatives out of doors and out of body
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, Connecticut, USA
    Curr Biol 21:R587-9. 2011
    ..coli have historically not shared environments with gut-associated E. coli...
  3. doi request reprint Synthetic biology: now that we're creators, what should we create?
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, Connecticut, USA
    Curr Biol 20:R675-7. 2010
    ..The technology allows the introduction of easily transferable adaptive units, as well as sets of genes that have likely never been transferred successfully...
  4. doi request reprint Tracking bacterial responses to global warming with an ecotype-based systematics
    F M Cohan
    Department of Biology, Wesleyan University, Middletown, CT 06459 0170, USA
    Clin Microbiol Infect 15:54-9. 2009
    ..Creating an ecotype-based systematics will help to identify the units of diversity that we will want to track as we seek to observe the early microbial responses to global warming...
  5. doi request reprint The origins of ecological diversity in prokaryotes
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, CT 06459 0170, USA
    Curr Biol 18:R1024-34. 2008
    ..This effort will require development of universal approaches to hypothesize demarcations of ecotypes, and to confirm and characterize their ecological distinctness, without prior knowledge of a given clade's ecology...
  6. pmc Towards a conceptual and operational union of bacterial systematics, ecology, and evolution
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, CT 06459 0170, USA
    Philos Trans R Soc Lond B Biol Sci 361:1985-96. 2006
    ....
  7. ncbi request reprint Sexual isolation and speciation in bacteria
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, CT 06459 0170, USA
    Genetica 116:359-70. 2002
    ..Interspecific recombination may also foster speciation by introducing novel gene loci from divergent species, allowing invasion of new niches...
  8. ncbi request reprint Bacterial species and speciation
    F M Cohan
    Department of Biology, Wesleyan University, Middletown, Connecticut 06459 0170, USA
    Syst Biol 50:513-24. 2001
    ..Owing to the rarity and promiscuity of bacterial genetic exchange, speciation in the bacterial world is expected to be much less constrained than in the world of animals and plants...
  9. ncbi request reprint What are bacterial species?
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, Connecticut 06459 0170, USA
    Annu Rev Microbiol 56:457-87. 2002
    ..These molecular methods suggest that a typical named species contains many ecotypes, each with the universal attributes of species. A named bacterial species is thus more like a genus than a species...
  10. pmc Barriers to genetic exchange between bacterial species: Streptococcus pneumoniae transformation
    J Majewski
    Department of Biology, Wesleyan University, Middletown, Connecticut 06459, USA
    J Bacteriol 182:1016-23. 2000
    ..We discuss the possible additional mechanisms of sexual isolation, in view of earlier findings from Bacillus, Escherichia, and Streptococcus...
  11. ncbi request reprint A systematics for discovering the fundamental units of bacterial diversity
    Frederick M Cohan
    Department of Biology, Wesleyan University, Middletown, Connecticut 06459 0170, USA
    Curr Biol 17:R373-86. 2007
    ..This would establish a theory-based species unit that holds the dynamic properties broadly attributed to species outside of microbiology...
  12. ncbi request reprint Bacillus sonorensis sp. nov., a close relative of Bacillus licheniformis, isolated from soil in the Sonoran Desert, Arizona
    M M Palmisano
    Department of Biology, Wesleyan University, Middletown, CT 06459-0170, USA
    Int J Syst Evol Microbiol 51:1671-9. 2001
    ..B. sonorensis can be distinguished from B. licheniformis by salt tolerance, pigmentation, multilocus enzyme electrophoresis, reassociation of genomic DNA and sequence differences in protein-coding genes and 16S rRNA...
  13. pmc Ecology of speciation in the genus Bacillus
    Nora Connor
    Department of Biology, Wesleyan University, Middletown, CT 06459, USA
    Appl Environ Microbiol 76:1349-58. 2010
    ..subtilis-B. licheniformis clade: ES and AdaptML identified several newly discovered clades as ecotypes that are distinct from any recognized taxon...
  14. pmc DNA sequence similarity requirements for interspecific recombination in Bacillus
    J Majewski
    Department of Biology, Wesleyan University, Middletown, Connecticut 06459, USA
    Genetics 153:1525-33. 1999
    ..They also suggest a model for rapid spread of novel adaptations, such as antibiotic resistance genes, among related species...
  15. ncbi request reprint Gradual evolution in bacteria: evidence from Bacillus systematics
    Michael Feldgarden
    Department of Biology, Wesleyan University, Middletown, CT 06459 0170, USA
    Microbiology 149:3565-73. 2003
    ..A protocol is presented for identifying those modifications of gene expression and those gene acquisitions that are most likely to have played a role in adaptive evolution...
  16. pmc Identifying the fundamental units of bacterial diversity: a paradigm shift to incorporate ecology into bacterial systematics
    Alexander Koeppel
    Departments of Biology and Mathematics and Computer Science, Wesleyan University, Middletown, CT 06459, USA
    Proc Natl Acad Sci U S A 105:2504-9. 2008
    ..Ecotype simulation provides a long-needed natural foundation for microbial ecology and systematics...
  17. ncbi request reprint Population level functional diversity in a microbial community revealed by comparative genomic and metagenomic analyses
    Devaki Bhaya
    Department of Plant Biology, Carnegie Institution, Stanford, CA 94305, USA
    ISME J 1:703-13. 2007
    ....
  18. pmc 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
    David M Ward
    Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, MT 59717, USA
    Philos Trans R Soc Lond B Biol Sci 361:1997-2008. 2006
    ..Further, we show that increased molecular resolution enhances our ability to detect ecotypes in this way, though yet higher molecular resolution is probably needed to detect all ecotypes in this microbial community...
  19. ncbi request reprint Opinion: Re-evaluating prokaryotic species
    Dirk Gevers
    Laboratory of Microbiology and the Bioinformatics and Evolutionary Genomics Research Group, Ghent University VIB, Ghent, Belgium
    Nat Rev Microbiol 3:733-9. 2005
    ..We also consider the potential, and difficulties, of assigning species status to biologically or ecologically meaningful sequence clusters...