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07.09.2017

Johansen Jeffrey Randolph

prof., Ph.D.
narozen 11. 12. 1953

  • botanika
  • členem Učené společnosti od 2017

Studia a profesionální příprava

  • 2014, Sabbatical Stay, Department of Botany, Faculty of Science, University of South Bohemia, České Budějovice, CZ
  • 1986-88, Postdoctoral Visiting Professional, Solar Energy Research Institute, Golden, Colorado, USA
  • 1984-86, Postdoctoral Fellowship, Washington State University, Pullman, Washington, USA
  • 1984, Ph.D. in Botany, Brigham Young University, Provo,Utah, USA
  • 1980-82, Graduate studies, Department of Oceanography, Texas A&M University, College Station, Texas, USA
  • 1980, M.S. in Botany, Brigham Young University, Provo,Utah, USA
  • 1978, B.S. in Botany, Brigham Young University, Provo,Utah, USA

Zaměstnání

  • 2012-now, Professor, Department of Botany, Faculty of Sciences, University of South Bohemia, České Budějovice, CZ
  • 2000-now, Professor, Department of Biology, John Carroll University, University Heights, Ohio, USA
  • 1994-2000, Associate Professor, Department of Biology, John Carroll University, University Heights, Ohio, USA
  • 1988-1994, Assistant Professor, Department of Biology, John Carroll University, University Heights, Ohio, USA

Členství a funkce v domácích vědeckých orgánech

  • Czech Phycological Society
  • Phi Kappa Phi Honor Society
  • Phycological Society of America
  • Sigma Xi

Členství a funkce v mezinárodních organizacích a společnostech

  • 2017-now, Associate Editor, Bibliotheca Phycologica
  • 1999-2002, 2016-now, Editorial Board, Journal of Phycology
  • 2003-2007, Editor, Diatom Research
  • 2003-2006, Secretary, Phycological Society of America
  • 1999-2007, Associate Editor, Nova Hedwigia
  • 1999-now, International Association for Cyanophyte Research
  • 1989-now, International Diatom Society
  • 1989-now, Board of Editorial Advisors, Phycologia
  • 1984-now, International Phycological Society

Význačná ocenění

  • 2016, Distinguished Faculty Award, John Carroll University, University Heights, Ohio, USA
  • 2012, Doctor Honoris Causa, University of South Bohemia, České Budějovice, CZ
  • 2009, Honorary Professor, Bashkir State Pedagogical University, Ufa, Bashkortostan, Russia

Výběr z publikací

  • Shalygin, S., Shalygina, R., Johansen, J.R., Pietrasiak, N., Berrendero, E., Bohunická, M., Mareš, J. and Sheil, C. 2017. Cyanomargarita gen. nov. (Nostocales, Cyanobacteria): convergent evolution resulting in a cryptic genus. Journal of Phycology 53:762-777.
  • Strunecký, O., Bohunická, M., Johansen, J.R., Čapková, K., Raabová, L., Dvořák, P. and Jiří Komárek. 2017. A revision of the genus Geitlerinema and a description of the genus Anagnostidinema gen. nov. (Oscillatoriophycidae, Cyanobacteria). Fottea, Olomouc 17: 114–126.
  • Hentschke, G.S., Johansen, J.R., Pietrasiak, N., Rigonato, J., Fiore, M.F. and Sant'Anna, C.L. 2017. Komarekiella atlantica gen. et sp. nov. (Nostocaceae, Cyanobacteria): a new subaerial taxon from the Atlantic Rainforest and Kauai, Hawaii. Fottea, Olomouc 17: 178-190.
  • Berrendero Gomez, E., Johansen, J.R., Kaštovský, J., Bohunická, M. and Čapková, K. 2016. Macrochaete gen. nov. (Nostocales, Cyanobacteria), a taxon morphologically and molecularly distinct from Calothrix. Journal of Phycology 52: 638–655.
  • Hentschke, G.S., J.R. Johansen, N. Pietrasiak, M.F. Fiore, J. Rigonato, C.L. Sant'Anna and J. Komárek. 2016. Phylogenetic placement of Dapisostemon gen. nov. and Streptostemon, two tropical heterocytous genera (Cyanobacteria). Phytotaxa 245 (2): 129-143.
  • Bohunická, M., Pietrasiak, N., Johansen, J.R., Berrendero-Gomez, E., Hauer, T., Gaysina, L., Lukešová, A. 2015. Roholtiella, gen. nov. (Nostocales, Cyanobacteria) - a tapering and branching member of the Nostocaceae (Cyanobacteria). Phytotaxa 197(2): 84-103.
  • Fučíková, K., J.R. Johansen and J.D. Hall. 2015. A contribution to the desmid flora of Southeastern Maine. Journal of the Torrey Botanical Society 142(2):166-178.
  • Komárek, J. and J.R. Johansen. 2015. Coccoid Cyanobacteria. Pages 75-133 in: Wehr, J.D., R.G. Sheath and J.P. Kociolek (eds.) Freshwater Algae of North America, 2nd Edition. Academic Press, London.
  • Komárek, J. and J.R. Johansen. 2015. Filamentous Cyanobacteria. Pages 135-235 in: Wehr, J.D., R.G. Sheath and J.P. Kociolek (eds.) Freshwater Algae of North America, 2nd Edition. Academic Press, London.
  • Řeháková, K., J.R. Johansen, M.B. Bowen, M.P. Martin and C.A. Sheil. 2014. Variation in secondary structure of the 16S rRNA molecule in cyanobacteria with implications for phylogenetic analysis. Fottea, Olomouc 14: 161–178.
  • Wilde, S.B., J.R. Johansen, H.D. Wilde, P. Jiang, B.A. Bartelme and R.S. Haynie. 2014. Aetokthonos hydrillicola gen. et sp. nov.: Epiphytic cyanobacteria associated with invasive aquatic plants and implicated in bird deaths from Avian Vacuolar Myelinopathy. Phytotaxa 181 (5): 243-260.
  • Komárek, J., J. Kaštovsky, J. Mareš, and J.R. Johansen. 2014. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014 according to the polyphasic approach. Preslia 86: 295–335.
  • Hauer, T., Mareš, J., Bohunická, M., Johansen, J.R. and Berrendero-Gomez, E. 2014. Heterogeneity of the cyanobacterial genus Microchaete: reassessment of the family Microchaetaceae and establishment of new families Tolypothrichaceae and Godleyaceae. Journal of Phycology 50:1089–1100.
  • Osorio-Santos, K., N. Pietrasiak, M. Bohunická, L. Miscoe, L. Kovacik, M.P. Martin and J.R. Johansen. 2014. Seven new species of Oculatella (Pseudanabaenales, Cyanobacteria): taxonomically recognizing cryptic diversification. European Journal of Phycology 49: 450–470.
  • Johansen, J.R., M. Bohunická, A. Lukešová, K.  Hrčková, M.A. Vaccarino and N.M. Chesarino. 2014. Morphological and molecular characterization within 26 strains of the genus Cylindrospermum (Nostocaceae, Cyanobacteria), with descriptions of three new species. Journal of Phycology 50: 187-202.

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