Publications
 
 

1. G. Valkiūnas, T.A. Iezhova, J. S. Carlson and R. Sehgal.  2011. Two new Trypanosoma species from African birds, with notes on taxonomy of avian trypanosomes.  Journal of Parasitology. 


2. S. Yanga, J. Martinez-Gomez, R. Sehgal, P. Escalante-Pliego, F. C. Camacho, D. A. Bell.  2011. A preliminary survey for avian pathogens of Columbiformes on Socorro Island, Mexico.  Pacific Conservation Biology. 17: 11-21. (PDF)


3. A. Marzal, R. E. Ricklefs, G. Valkiūnas, T. Albayrak, E. Arriero, C. Bonneaud, G. A. CPzirják, J. Ewen, O. Hellgren, D. Hořáková, T. A. Iezhova, H. Jensen, A. Križanauskienė, M. R. Lima, F. de Lope, E. Magnussen, L. B. Martin, A. P.. Møller, V. Palinauskas, P. L. Pap, J. Pérez-Tris, R. Sehgal, M. Soler, E. Szöllősi, H. Westerdahl, P. Zetindjiev, S. Bensch. 2011.  Diversity, loss and gain of malaria parasites in a globally invasive bird.  Plos One. 6(7): e21905. (PDF)


4. T. B Smith, H. A. Thomassen, A. H. Freedman, R. Sehgal, W. Buermann, S. Saatchi, J. Pollinger, B. Milá, D. Pires, G. Valkiūnas and R. K. Wayne.  2011. Patterns of divergence in the olive sunbird (Cyanomitra olivacea) across the African rainforest-savanna ecotone.  Biological Journal of the Linnean Society. 103: 825-835. (PDF)


5. J. S. Carlson, J. E. Martinez-Gomez, A. Cornel, C. Loiseau and R. Sehgal. 2011.  Implications of Plasmodium parasite infected mosquitoes on an insular avifauna: the case of Socorro Island, Mexico.  Journal of Vector Ecology.  36: 213-220.  (PDF)


6.  T. Iezhova, M. Dodge, R. Sehgal, T. B. Smith and G. Valkiūnas.  2011.  New avian Haemoproteus species (Haemosporida: Haemoproteidae) from African birds, with a critique of the use of host taxonomic information in hemoproteid classification.  Journal of Parasitology. 97: 682-694. (PDF)


7. K. Y. Njabo, A. J. Cornel, C. Bonneaud, E. Toffelmier, R. Sehgal, G. Valkiūnas, A. F. Russell and T. B. Smith.  2010.  Nonspecific patterns of vector, host and avian malaria parasite associations in a central African rainforest.  Molecular Ecology. 20: 1049-1060. (PDF)


8. R. Sehgal, W. Buermann, R. Harrigan, C. Bonneaud, C. Loiseau, A. Chasar, G. Valkiūnas, T Iezhova, I Sepil, S. Saatchi, and T. B. Smith.  2010.  Spatially explicit predictions of blood parasites in a widely distributed African rainforest bird.  Proceedings of the Royal Society of London Series B. 278: 1025-1033. (PDF)


9. H. D. Ishak, C. Loiseau, A. C. Hull, and R. Sehgal.  2010.  Prevalence of blood parasites in migrating California hawks.  Journal of Raptor Research.  44: 215-223. (PDF)


10. R. Sehgal.  2010.  Deforestation and avian infectious diseases.  Journal of Experimental Biology 213: 955-960. (PDF)


11. C. Loiseau, T. Iezhova, G. Valkiūnas, A. Chasar, A. Hutchinson, W. Buermann, T. B. Smith and R. Sehgal.  2010.  Spatial variation of haemosporidian parasite infection in African rainforest bird species.  Journal of Parasitology 96: 21-29. (PDF)


12. G. Valkiūnas, R. Sehgal, T. A. Iezhova, and A. C. Hull.  2010.  Identification of Leucocytozoon toddi group (Haemosporida, Leucocytozoidae), with remarks on the species taxonomy of leucocytozoids. Journal of Parasitology 96: 170-177. (PDF)


13. T. A. Iezhova, G. Valkiūnas, C. Loiseau, T. B. Smith and R. Sehgal.  2010.  Haemoproteus cyanomitrae sp. Nov. (Haemosporida, Haemoproteidae) from a widespread African songird, the Olive Sunbird (Cyanomitra olivacea).  Journal of Parasitology 96: 137-143. (PDF)


14. A. Chasar, C. Loiseau, G.Valkiūnas, T. Iezhova, T. B. Smith, R. Sehgal.  2009.  Prevalence and diversity patterns of African avian blood parasites in degraded habitats. Molecular Ecology 18: 4121-4133. (PDF)


15. K. Y. Njabo, A. J. Cornel, R. Sehgal, C. Loiseau, W. Buermann, R. Harrigan, J. Pollinger, G. Valkiūnas and T.B. Smith.  2009.  Distribution and diversity of avian malaria parasites in Coquillettidia mosquitoes in rainforests of Cameroon, with remarks on the vectors’ feeding patterns. Malaria Journal. 8: 193. (PDF)


16. G. Valkiūnas, T. A. Iezhova, C. Loiseau and R. Sehgal.  2009.  Nested Cytochrome b Polymerase Chain Reaction Diagnostics Detect Sporozoites of Hemosporidian Parasites in Peripheral Blood of Naturally Infected Birds.  Journal of Parasitology. 95: 1512-1515. (PDF)


17. C. Bonneaud, I. Sepil, B. Mila, W. Buermann, J. Pollinger, R. Sehgal, G. Valkiūnas, T. Iezhova, S. Saatchi and T. B. Smith.  2009.  The prevalence of avian Plasmodium is higher in undisturbed tropical forests of Cameroon.  Journal of Tropical Ecology. 25: 439-447.  (PDF)


18. G. Valkiūnas, T. A. Iezhova, C. Loiseau, T. B. Smith and R. Sehgal. 2009. New malaria parasites of the subgenus Novyella in African rainforest birds, with remarks on their high prevalence, classification and diagnostics. Parasitology Research. 104: 1061-1077. (PDF)


19. G. Valkiūnas, T. A. Iezhova, C. Loiseau, A. Chasar, T. B. Smith and R. Sehgal. 2008. New species of haemosporidian parasites (Haemosporida) from African rainforest birds, with remarks on their classification. Parasitology Research. 103: 1213-1228. (PDF)


20. G. Valkiūnas, T. A. Iezhova, A. Križanauskienė, V. Palinauskas, R. Sehgal, S. Bensch. 2008. A comparative analysis of microscopy and pcr-based detection methods for blood parasites. Journal of Parasitology. 20:1. (PDF)


21. H. D. Ishak, J. P. Dumbacher, N. L. Anderson, J. J. Keane, G. Valkiūnas, S. M. Haig, L. A. Tell and R. Sehgal. 2008. Blood parasites in owls with conservation implications for the Spotted Owl (Strix occidentalis). PLoS One. 3(5): e2304. (PDF)


22.  G. Valkiūnas, C. T. Atkinson, S. Bensch, R. Sehgal and R. E. Ricklefs. 2008. Parasite misidentifications in GenBank: how to minimize their number? Trends in Parasitology. 24(6): 247-248. (PDF)


23. L. M. E. Svensson, K. C. Ruegg, C. H. Sekercioglu, and R. Sehgal. 2007. Widespread and structured distributions of blood parasite haplotypes across a migratory divide of the Swainson's thrush (Catharus ustulatus). Journal of Parasitology. 93(6): 1488-1495. (PDF)

24.  R. Sehgal, G. Valkiūnas, T. A. Iezhova and T. B. Smith. 2006. Blood parasites of chickens in Uganda and Cameroon with molecular descriptions of
Leucocytozoon schoutedeni and Trypanosoma gallinarum. Journal of Parasitology. 92(6): 1336-1343. (PDF)

25.   J. Masello, R. Gustavo Choconi, R. Sehgal, L. A. Tell and P Quillfeldt. 2006. Blood and intestinal parasites in wild Psittaciformes: A case study of Burrowing parrots (
Cyanoliseus patagonus). Ornotología Neotropical. 17: 515-529. (PDF)

26. R. Sehgal, A. C. Hull, N. Anderson, G. Valkiūnas, M. J. Markovets, S. Kawamura and L. A. Tell. 2006. Evidence for Cryptic Speciation of
Leucocytozoon spp. (Haemosporida, Leucocytozoidae) in Diurnal Raptors. Journal of Parasitology. 92(2): 375-379. (PDF)

27. R. Sehgal, H. I. Jones, and T. B. Smith. 2005. Molecular evidence for host-specificity of parasitic nematode microfilariae in some African rainforest birds. Molecular Ecology. 14: 3977-3988.
(PDF)

28. G. Valkiūnas, R. Sehgal, T. A. Iezhova, and T. B. Smith. 2005. Further observations on the blood parasites of birds in Uganda. Journal of Wildlife Diseases. 41(3): 580-587.
(PDF)

29. R. Sehgal, H. I. Jones, and T. B. Smith. 2005. Blood parasites of some West African birds. Journal of Veterinary Medical Sciences. 67(3): 295-301.
(PDF)

30. H. I. Jones, R. Sehgal and T. B. Smith. 2005.
Leucocytozoon (Apicomplexa: Leucocytozoidae) from West African birds, with descriptions of two species. Journal of Parasitology. 91(2): 397-401. (PDF)

31. R. Sehgal and I. J. Lovette. 2003. Molecular evolution of three avian neurotrophin genes: implications for proregion functional constraints. Journal of Molecular Evolution. 57: 335-342.
(PDF)

32. F. A. Richard, R. Sehgal, H. I. Jones, and T. B. Smith. 2002. A comparative analysis of PCR-based detection methods for avian malaria. Journal of Parasitology. 88(4): 819-822.
(PDF)

33. R. Sehgal, Hugh Jones, and Thomas B. Smith. 2001. Host Specificity and incidence of
Trypanosoma in some African rainforest birds: a molecular approach. Molecular Ecology 10(9): 2319-2328. (PDF)

34. R. Sehgal, B. Gumbiner, and L. F. Reichardt. 1997. Antagonism of Cell Adhesion by a Mutant of Alpha-Catenin, and antagonism of the Wnt-Signaling Pathway by Alpha-Catenin in Xenopus embryos. Journal of Cell Biology. 139(4): 1033-1046.
(PDF)

35. T. Svensson, M. Rydén, F. H. Schilling, C. Dominici, R. Sehgal, C. F. Ibañez, and P. Kogner. 1997. Coexpression of mRNA for the full-length neurotrophin receptor trk-C and trk-A in favourable neuroblastoma. European Journal of Cancer. 33(12): 2058-2063.

36. M. Rydén, R. Sehgal, C. Dominici, F. H. Schilling, C. F. Ibañez, and P. Kogner. 1996. Expression of mRNA for the neurotrophin receptor trk-C in neuroblastomas with favourable tumour stage and good prognosis. British Journal of Cancer. 74(5): 773-779.

37. Y. S. Choi, R. Sehgal, P. McCrea, and B. Gumbiner. 1990. A Cadherin-like Protein in Eggs and Cleaving Embryos of
Xenopus laevis is Expressed in Oocytes in Response to Progesterone. Journal of Cell Biology.  110: 1575-1582. (PDF)

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