Prof. RNDr. Ivo Sauman, Ph.D.

Laboratory Head

Laboratory of molecular chronobiology, Institute of Entomology, Biology Centre AS CR, 2nd floor, phone: +420-38-7775266 Email: sauman@entu.cas.cz

 

Prof. RNDr. Ivo Sauman, CSc. Date and place of birth: August 9, 1965, Valtice, Czech Republic

 

Education and Research Experience:

2010 Professor, Molecular and Cell Biology and Genetics

2006 Associate Professor, Molecular and Cell Biology and Genetics

2005-present External member of Scientific Board, Institute of Parasitology, Czech Academy of Sciences, Ceske Budejovice, Czech Republic

2001-present Head, Department of Developmental Biology, Institute of Entomology, Czech Acad. Sci., Ceske Budejovice, Czech Rep.

1997-present Member of Scientific Board, Institute of Entomology, Czech Academy of Sciences, Ceske Budejovice, Czech Republic

2004-2007 Member of Scientific Board, Institute of Parasitology, Czech Academy of Sciences, Ceske Budejovice, Czech Republic

1996-present Research Scientist, Institute of Entomology, Czech Acad. Sci. and Fac. Biol., Univ. South Bohemia, Ceske Budejovice, Czech Rep.

1994-1996 Postdoctoral Fellow, Harvard Medical School, Boston, MA, USA

1990-1994 Ph.D. (Molecular/Developmental Biology), Wesleyan University, Middletown, CT, USA

1989-1990 Research Worker, Institute of Entomology, Czech Acad. Sci., Ceske  Budejovice, Czech Republic

1988-1989 Research Assistant, Institute of Soil Biology, Czech Acad. Sci., Ceske Budejovice, Czech Republic

1983-1988 B.S., M.S. (General and Molecular Biology), University of J.E. Purkinje, Brno, Czech Republic

 

Teaching Experience:

1990-1994 Teaching Assistant, Wesleyan University, CT, USA

1996-present Biological Faculty, South Bohemian University, Ceske Budejovice, Czech Republic

 

Awards and Honors:

2011 Award of the Minister of Education of the Czech Republic obtained for “The Exceptional Results in Research, Experimental Development, and Innovation”

2003 Award of Prof. Wichterle, Academy of Sciences of the Czech Republic

1997 Award of the Rhone-Poulenc Fondation, Institut de France, Scientia Europaea

1997 Award of the Academy of Sciences of the Czech Republic obtained for “Research on Molecular Mechanisms of Circadian Rhythms”, Czech Republic

1994 Presidential Award, Microscopy Society of America

1988 M.S. with High Honors, University of J.E. Purkinje

1988 National Competition of Young Scientists, Czech Republic

1987 National Competition of Young Scientists, Czech Republic

 

Societies:

1994-present Cambridge Entomological Society

1992-present Microscopy Society of America

1990-present New England Electron Microscopy Society

 

Publications:

  • Berry, S.J., Watson, C.A. and Sauman, I. (1991). Actin in lepidopteran oogenesis.  Sericologia 31(Suppl.), 54.
  • Sauman, I., Watson, C.A. and Berry, S.J. (1992). Actin in oogenesis. Invertebr. Rep. Dev.    22(1-3), 57-66.
  • Berry, S.J., Watson, C.A. and Sauman, I. (1992). The role of actin in lepidopteran oogenesis. In Advances in Regulation of Insect Reproduction (B. Benetova, I. Gelbic and T. Soldan, Eds.), Institute of Entomology, Czech Acad. Sci., pp 41-42.
  • Zitnan, D., Sauman, I. and Sehnal, F. (1993). Peptidergic innervation and endocrine cells of insect midgut. Arch. Insect Biochem. Physiol. 22(1-2), 113-132.
  • Watson, C.A., Sauman, I. and Berry, S.J. (1993). Actin is a major structural and functional element of the egg cortex of giant silkmoths during oogenesis. Dev. Biol. 155, 315-323.
  • Sauman, I. and Berry, S.J. (1993). Cytochalasin-D treatment triggers premature apoptosis of insect ovarian follicle and nurse cells. Int. J. Dev. Biol. 37(3), 441-450.
  • Sauman, I. and Berry, S.J. (1994). An actin infrastructure is associated with eukaryotic chromosomes: Structural and functional significance. Eur. J. Cell Biol. 64, 348-356.
  • Reppert, S.M., Tsai, T., Roca, A.L. and Sauman, I. (1994). Cloning of a structural and functional homolog of the circadian clock gene period from the giant silkmoth Antheraea pernyi. Neuron 13, 1167-1176.
  • Levine, J.D., Sauman, I., Imbalzano, M., Reppert, S.M. and Jackson, F.R. (1995). Period protein from the giant silkmoth Antheraea pernyi functions as a circadian clock element in Drosophila melanogaster. Neuron 15, 147-157.
  • Reppert, S.M. and Sauman, I. (1995). period and timeless tango: A dance of two clock genes. Neuron 15, 983-986.
  • Sauman, I. and Reppert, S.M. (1996). Molecular characterization of prothoracicotropic hormone (PTTH) from the giant silkmoth Antheraea pernyi: Developmental appearance of PTTH-expressing cells and relationship to circadian clock cells in central brain. Dev. Biol.  178, 418-429.
  • Sauman, I. and Reppert, S.M. (1996). Circadian clock neurons in the silkmoth Antheraea pernyi: Novel mechanisms of period protein regulation. Neuron 17, 889-900.
  • Sauman, I., Tsai, T., Roca, A.L. and Reppert, S.M. (1996). period protein is necessary for circadian control of egg hatching behavior in the silkmoth Antheraea pernyi. Neuron 17, 901-909.
  • Sauman, I. and Sehnal, F. (1997). Immunohistochemistry of the products of male accessory glands in several hemimetabolous insects and the control of their secretion in Pyrrhocoris apterus L. (Heteroptera: Pyrrhocoridae). Eur. J. Entomol. 94, 349-360.
  • Sauman, I. and Reppert, S.M. (1998). Brain control of embryonic circadian rhythms in the silkmoth Antheraea pernyi. Neuron 20, 741-748.
  • Sauman, I. and Hashimi, H. (1999). Insect clocks: What are they telling us besides time? Entomol. Sci. 2, 589-596.
  • Takeda, M. and Sauman, I. (1999). Milestones of study on insect photoperiodism and the role of the Kuroshio New Year symposium. Entomol. Sci. 2 (4), 551-552.
  • Sauman, I., Hyrsl, P. and Marek, M. (2001). Cooling shock induction of protein synthesis by larvae of Galleria mellonella (L.) (Insecta: Lepidoptera). Biol. Bull. 38 (2), 151-162.
  • Zavodska, R., Sauman, I. and Sehnal, F. (2003). Distribution of PER protein, pigment-dispersing hormone, and eclosion hormone in the cephalic nervous system of insects. J. Biol. Rhythms 18, 106-122.
  • Sehadova, H., Sauman, I. and Sehnal, F. (2003). Immunocytochemical distribution of the pigment-dispersing hormone in the cephalic ganglia of polyneopteran insects. Cell Tissue Res. 312, 113-125.
  • Sumova, A., Jac, M., Sladek, M., Sauman, I. and Illnerova, H. (2003). Clock gene daily profiles and their phase-relationship in the rat suprachiasmatic nucleus are affected by photoperiod. J. Biol. Rhythms 18, 134-144.
  • Hodkova, M., Syrova, Z., Dolezel, D. and Sauman, I. (2003). Period gene expression in relation to seasonality and circadian rhythms in a heteropteran insect, Pyrrhocoris apterus. Eur. J. Entomol. 100, 267-273.
  • Zavodska, R., Sauman, I. and Sehnal, F. (2003). The cycling and distribution of PER-like antigen in relation to neurons recognized by the antisera to PTTH and EH in Thermobia domestica. Insect Biochem. Mol. Biol. 33, 1227-1238.
  • Syrova, Z., Dolezel, D, Sauman, I. and Hodkova, M. (2003). Photoperiodic regulation of diapause in linden bugs: are period and Clock genes involved? Cell. Mol. Life Sci. 60, 2510-2515.
  • Syrova, Z., Sauman, I. and Giebultowicz, J. M. (2003). Effect of light and temperature on circadian system controlling sperm descent from testis in moth Spodoptera littoralis. Chronobiol. Int. 20, 809-821.
  • Zavodska, R., Sehadova, H., Sauman, I. and Sehnal, F. (2005). Light-dependent PER-like proteins in the cephalic ganglia of an apterygote and a pterygote insect species. Histochem. Cell Biol. 123, 407-418.
  • Dolezel, D., Vaneckova, H., Sauman, I. and Hodkova, M. (2005). Is period gene causally involved in the photoperiodic regulation of reproductive diapause in the linden bug, Pyrrhocoris apterus? J. Insect Physiol. 51, 655-659.
  • Sauman, I., Briscoe, A., Zhu, H., Shi, D., Froy, O., Stalleicken, J., Yuan, Q., Casselman, A. and Reppert, S.M. (2005). Connecting the navigational clock to sun compass input in monarch butterfly brain. Neuron 46, 457-467.
  • Rego, R., Kovar, V., Kopacek, P., Weise, C., Man, P., Sauman, I. and Grubhoffer, L. (2006).The tick plasma lectin, Dorin M, is a fibrinogen-related molecule. Insect Biochem. Mol. Biol. 36, 291-299.
  • von Wowern, G., Zavodska, R., Sauman, I., Lofstedt, C., and Rosen, W.Q. (2006). Circadian release of a pheromonotropic neuropeptide PBAN in the turnip moth Agrotis segetum. In Circadian Rhythms in Moth Sex Pheromone Communication (Ed. G. von Wowern). Lund University, Lund, pp. 65-81.
  • von Wowern, G., Zavodska, R., Dolezel, D., Han, G.-B., Sauman, I., Lofstedt, C. and Rosen, W.Q. (2006). A comparative study of circadian sex communication in two pyralid moths. In Circadian Rhythms in Moth Sex Pheromone Communication (Ed. G. von Wowern). Lund University, Lund, pp. 85-100.
  • Codd, V., Dolezel, D., Stehlík J.,  Piccin, A., Garner, G.J., Racey, S.N., Straatman, K.R., Louis, E.J., Costa, R., Sauman, I., Kyriacou, C.P. and Rosato, E. (2007). Circadian rhythm gene regulation in the housefly, Musca domestica. Genetics, 177(3), 1539-1551.
  • Dolezel, D., Sauman, I., Kostal, V., Hodkova, M. (2007). Photoperiodic and food signals control expression pattern of the clock gene, period, in the linden bug, Pyrrhocoris apterus. J. Biol. Rhythms. 22(4),335-342.
  • Dolezel, D., Zdechovanova, L., Sauman, I., and Hodkova, M. (2008). Endocrine-dependent expression of circadian clock genes in insects. Cell. Mol. Life Sci. 65, 964-969.
  • Zhu, H., Sauman, I., Yuan, Q., Casselman, A., Emery-Le, M., Emery, P. and Reppert, S.M. (2008). Cryptochromes define a novel circadian clock mechanism in monarch butterflies that may underlie sun compass navigation. PLoS Biol. 6(1), e4. doi:10.1371/journal.pbio.0060004
  • Zavodska, R., Wen, C-J., Hrdy, I., Sauman, I., Lee, H-J. and Sehnal, F. (2008). Distribution of corazonin and pigment-dispersing factor in the cephalic ganglia of representative termites. Arthropod Struct. Dev. 37, 273-286.
  • Stehlik, J., Zavodska, R., Shimada, K., Sauman, I. and Kostal, V. (2008). Photoperiodic induction of diapause requires regulated transcription of timeless in the larval brain of Chymomyza costata. J. Biol. Rhythms 23, 129-139.
  • Zavodska, R., von Wowern, G., Löfstedt, C., Rosén, WQ. and Sauman, I. (2009). The release of a pheromonotropic neuropeptide, PBAN, in the turnip moth Agrotis segetum, exhibits a circadian rhythm. J. Insect Physiol. 55, 435-440, DOI: 10.1016/j.jinsphys.2008.10.016
  • Závodská, R., Wen, C-J., Sehnal, F., Hrdý, I., Lee, H-J. and Sauman, I. (2009). Corazonin- and PDF-immunoreactivities in the cephalic ganglia of termites. J. Insect Physiol. 55, 441-449, DOI: 10.1016/j.jinsphys.2008.11.009
  • Hajdusek, O., Sojka, D., Kopacek, P., Buresova, V., Franta, Z., Sauman, I., Winzerling, J. and Grubhoffer, L. (2009). Knockdown of proteins involved in iron metabolism limits tick reproduction and development. Proc. Natl. Acad. Sci. USA 106, 1033-1038.
  • Yang Y-Y., Liu Y., Teng H-J., Sauman I., Sehnal F., Lee H-J. (2010) Circadian control of permethrin-resistance in the mosquito Aedes aegypti. J. Insect Physiol. 56: 1219-1223.
  • Závodská R, Fexová S, von Wowern G, Han GB, Dolezel D, Sauman I (2012) Is the Sex Communication of Two Pyralid Moths, Plodia interpunctella and Ephestia kuehniella, under Circadian Clock Regulation? Journal of Biological Rhythms 27: 206-216.