1. 1.A. C. Bradshaw, L. A. Tell, H. B. Ernest, S. Bahan, J. Carlson, R. Sehgal. 2017. Detection and prevalence of Haemoproteus archilocus (Haemosporida, Haemoproteidae) in two species of California hummingbirds. Parasitology Research. 116: 1879-1885. (PDF)

  1. 2.D. Freund, S. S. Wheeler, A. K. Townsend, W. M. Boyce, H. B. Ernest, C. Cicero, R. Sehgal. 2016. Genetic sequence data reveals widespread sharing of Leucocytozoon lineages in corvids. Parasitology Research. 115: 3557-3565. (PDF)

  1. 3.E. Walther, G. Valkiūnas, E. A. Wommack, R. C. Bowie, T. A. Iezhova, R. Sehgal. 2016. Description and molecular characterization of a new Leucocytozoon parasite (Haemosporida: Leucocytozoidae), Leucocytozoon californicus sp. nov., found in American kestrels (Falco sparverius sparverius). Parasitology Research. 115: 1853-1862. (PDF)

  1. 4.A. R. Nelson, R. L. Cormier, D. L. Humple, J. C. Scullen, R. Sehgal, N. E. Seavy. 2016. Migration patterns of San Francisco Bay Area Hermit Thrushes differ across a fine spatial scale. Animal Migration 3:1. (PDF)

  1. 5.L. C. Wilkinson, C. M. Handel, C. Van Hemert, C. Loiseau, R. Sehgal. 2016. Avian malaria in a boreal resident species: long-term temporal variability, and increased prevalence in birds with avian keratin disorder.International Journal for Parasitology. 46: 281-290. (PDF)

  1. 6.R. Sehgal. 2015. Manifold habitat effects on the prevalence and diversity of avian blood parasites. International Journal for Parasitology: Parasites and Wildlife. (PDF)

  1. 7.R. Sehgal, T. A. Iezhova, T. Marzec, G. Valkiūnas. 2015. Trypanosoma naviformis sp. nov.(Kinetoplastidae: Trypanosomatidae) from widespread African songbirds, the Olive sunbird (Cyanomitra olivacea) and Yellow-whiskered greenbul (Andropadus latirostris). Zootaxa. 4034: 342-350. (PDF)

  1. 8.E. L. Walther, J. S. Carlson, A. Cornel, B. K. Morris, R. Sehgal. 2015. First molecular study of prevalence and diversity of avian haemosporidia in a Central California songbird community. Journal of Ornithology: 1-16. (PDF)

  1. 9.E. J. Lauron, H. X. Aw Yeang, S. M. Taffner, R. Sehgal. 2015. De novo assembly and transcriptome analysis of Plasmodium gallinaceum identifies the Rh5 interacting protein (ripr), and reveals a lack of EBL and RH gene family diversification. Malaria Journal. 14: 296. (PDF)

  1. 10.J.S. Carlson, E. Walther, R. Trout Fryxell, S. Staley, L. A. Tell, R. Sehgal, C. M. Barker and A. J. Cornel. 2015. Identifying avian malaria vectors: sampling methods influence outcomes. Parasites and Vectors. 8: 365. (PDF)

  1. 11.J. E. Martínez-Gómez, N. Matías-Ferrer, R. Sehgal and P. Escalante. 2015. Phylogenetic placement of the critically endangered Townsend’s Shearwater (Puffinus auricularis auricularis): evidence for its conspecific status with Newell’s Shearwater (Puffinus a. newelli) and a mismatch between genetic and phenotypic differentiation. Journal of Ornithology. DOI 10.1007/s10336-015-1189-2. (PDF)

  1. 12.E. J. Lauron, C. Loiseau, R. C. Bowie, G. S. Spicer, T. B. Smith, M. Melo and R. Sehgal. 2015.  Coevolutionary patterns and diversification of avian malaria parasites in African sunbirds (Family Nectariniidae). Parasitology. 142: 635-647. (PDF)

  1. 13.O. Hellgren, C. T. Atkinson, S. Bensch, T. Albayrak, D. Dimitrov, J. G. Ewen, K. S. Kim, M. R. Lima, L. Martin, V. Palinauskas, R. Ricklefs, R. Sehgal, G. Valkiūnas, Y. Tsuda and  A. Marzal. 2015. Global phylogeography of the avian malaria pathogen Plasmodium relictum based on MSP1 allelic diversity. Ecography. 38: 842-850. (PDF)

  1. 14.E. L. Evans, J. E. Martinez-Gomez and R. Sehgal. 2015.  Phylogenetic relationships and taxonomic status of the endemic Socorro Warbler (Setophaga pitiayumi graysoni).  Journal of Ornithology. 156: 363-370. (PDF)

  1. 15.E. J. Lauron, K. S. Oakgrove, L. A. Tell, K. Biskar, S. W. Roy and R. Sehgal. 2014. Transcriptome sequencing and analysis of Plasmodium gallinaceum reveals polymorphisms and selection on the apical membrane antigen-1.  Malaria Journal. 13: 282. (PDF)

  1. 16.K. S. Oakgrove, R. J. Harrigan, C. Loiseau, S. Guers, B. Seppi and R. Sehgal. 2014. Distribution, diversity and drivers of blood-borne parasite co-infections in Alaskan bird populations. International Journal for Parasitology. 44: 717-727. (PDF)

  1. 17.E. L. Walther, G. Valkiūnas, A. D. González, N. E. Matta, R. E. Ricklefs, A. Cornel and R. Sehgal. 2014. Description, molecular characterization, and patterns of distribution of a widespread New World avian malaria parasite (Haemosporida: Plasmodiidae), Plasmodium (Novyella) homopolare sp. nov. Parasitology Research. 113: 3319-3332. (PDF)

  1. 18.A. Marzal, L. García-Longoria, J. M. C. Callirgos and R. Sehgal. 2014. Invasive avian malaria as an emerging parasitic disease in native birds of Peru. Biological Invasions. DOI 10.1007/s10530-014-0718-x. 1-7. (PDF)

  1. 19.M. A. Jasper, J. M. Hull, A. C. Hull, and R. Sehgal. 2014. Widespread lineage diversity of Leucocytozoon blood parasites in distinct populations of western Red-tailed Hawks. Journal of Ornithology. 155: 767–775. (PDF)

  1. 20.C. D. Mendenhall, H. M. Archer, F. O. Brenes, C. H. Sekercioglu and R. Sehgal.  2013.  Balancing biodiversity with agriculture: Land sharing mitigates avian malaria prevalence.  Conservation Letters. 6: 125-131. (PDF)


  1. 21.C. Martinez, T. Marzec, C. D. Smith, L. A. Tell, and R. Sehgal. 2013.  Identification and expression of maebl, an erythrocyte binding gene in Plasmodium gallinaceum.  Parasitology Research. 112: 945-954. (PDF)

  1. 22.A. Križanauskienė, T. A. Iezhova, R. Sehgal, J. S Carlson, V. Palinauskas, S. Bensch, and G. Valkiūnas.  2013.  Molecular characterization of Haemoproteus sacharovi (Haemosporida, Haemoproteidae), a common parasite of columbiform birds, with remarks on classification of haemoproteids of doves and pigeons.  Zootaxa.  3613: 085-094. (PDF)

  1. 23.G. Valkiūnas, T. A. Iezhova, E. Evans, J. S. Carlson, J. E. Martinez-Gomez, R. Sehgal.  2013.  Two new Haemoproteus (Haemosporida: Haemoproteidae) species from Columbiform birds.  Journal of Parasitology. 99(3): 513-521. (PDF)

  1. 24.J. S. Carlson, J. E. Martinez-Gomez, G. Valkiūnas, C. Loiseau, D. A. Bell and R. Sehgal.  2013.  Diversity and phylogenetic relationships of hemosporidian parasites in birds of Socorro Island, Mexico, and their role in the re-introduction of the Socorro Dove (Zenaida graysoni).  Journal of Parasitology. 99: 270-276. (PDF)

  1. 25.M. Dodge, S. L. Guers, C. H. Sekercioglu and R. Sehgal.  2013.  North American transmission of hemosporidian parasites in the Swainson’s thrush (Catharus ustulatus), a migratory songbird. Journal of Parasitology. 99: 548-553. (PDF)

  1. 26.C. Loiseau, R. J. Harrigan, A. J. Cornel, S. L. Guers, M. Dodge, T. Marzec, J. S. Carlson, B. Seppi and R. Sehgal.  2012.  First evidence and predictions of Plasmodium transmission in Alaskan bird populations. PloS One. 7:e44729. (PDF)

  1. 27.C. Loiseau, R. J. Harrigan, A. Robert, R. C. K. Bowie, A. Thomassen, T. B. Smith and R. Sehgal.  2012.  Host and habitat specialization of avian malaria in Africa.  Molecular Ecology. 21: 431-441. (PDF)

  1. 28.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.  97: 924-930. (PDF)

29. 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)

30. 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)

31. 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)

32. 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)

33.  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)

34. 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)

35. 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)

36. 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)

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

38. 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)

39. 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)

40. 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)

41. 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)

42. 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)

43. 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)

44. 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)

45. 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)

46. 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)

47. 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)

48. 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)

49.  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)

50. 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)

51.  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)

52.   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)

53. 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)

54. 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.

55. 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.

56. 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.

57. 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)

58. 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.

59. 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.

60. 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)

61. 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.

62. 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.

63. 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.

64, 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)