R N M Sehgal

Summary

Affiliation: San Francisco State University
Country: USA

Publications

  1. ncbi request reprint Molecular evidence for host specificity of parasitic nematode microfilariae in some African rainforest birds
    Ravinder N M Sehgal
    Department of Biology, San Francisco State University, 1600 Holloway, San Francisco, CA 94132, USA
    Mol Ecol 14:3977-88. 2005
  2. pmc Coquillettidia (Culicidae, Diptera) mosquitoes are natural vectors of avian malaria in Africa
    Kevin Y Njabo
    Center for Tropical Research, UCLA Institute of the Environment, Los Angeles, California, USA
    Malar J 8:193. 2009
  3. ncbi request reprint Blood parasites of chickens in Uganda and Cameroon with molecular descriptions of Leucocytozoon schoutedeni and Trypanosoma gallinarum
    Ravinder N M Sehgal
    Department of Biology, San Francisco State University, 1600 Holloway Ave, San Francisco, California 94132, USA
    J Parasitol 92:1336-43. 2006
  4. ncbi request reprint Evidence for cryptic speciation of Leucocytozoon spp. (Haemosporida, Leucocytozoidae) in diurnal raptors
    Ravinder N M Sehgal
    Department of Biology, San Francisco State University, 1600 Holloway Avenue, San Francisco, California 94132, USA
    J Parasitol 92:375-9. 2006
  5. pmc Deforestation and avian infectious diseases
    R N M Sehgal
    Department of Biology, San Francisco State University, San Francisco, CA 94132, USA
    J Exp Biol 213:955-60. 2010
  6. pmc Spatially explicit predictions of blood parasites in a widely distributed African rainforest bird
    R N M Sehgal
    Department of Biology, San Francisco State University, 1600 Holloway Avenue, San Francisco, CA 94132, USA
    Proc Biol Sci 278:1025-33. 2011
  7. ncbi request reprint Molecular evolution of three avian neurotrophin genes: implications for proregion functional constraints
    Ravinder N M Sehgal
    Center for Tropical Research, San Francisco State University, 1600 Holloway Avenue, San Francisco, CA 94132, USA
    J Mol Evol 57:335-42. 2003
  8. ncbi request reprint Host specificity and incidence of Trypanosoma in some African rainforest birds: a molecular approach
    R N Sehgal
    Center for Tropical Research, Department of Biology, San Francisco State University, 1600 Holloway, San Francisco, CA, 94132, USA
    Mol Ecol 10:2319-27. 2001
  9. doi request reprint Prevalence and diversity patterns of avian blood parasites in degraded African rainforest habitats
    Anthony Chasar
    Department of Biology, San Francisco State University, San Francisco, CA 94132, USA
    Mol Ecol 18:4121-33. 2009
  10. ncbi request reprint A comparative analysis of PCR-based detection methods for avaian malaria
    F Alexander Richard
    Center for Tropical Research, Department of Biology, San Francisco State University, 1600 Holloway, San Francisco, California 94132, USA
    J Parasitol 88:819-22. 2002

Detail Information

Publications18

  1. ncbi request reprint Molecular evidence for host specificity of parasitic nematode microfilariae in some African rainforest birds
    Ravinder N M Sehgal
    Department of Biology, San Francisco State University, 1600 Holloway, San Francisco, CA 94132, USA
    Mol Ecol 14:3977-88. 2005
    ..diademata may be highly host specific. This apparent specificity may have important implications for the evolutionary and ecological interactions between parasitic nematodes and their avian hosts...
  2. pmc Coquillettidia (Culicidae, Diptera) mosquitoes are natural vectors of avian malaria in Africa
    Kevin Y Njabo
    Center for Tropical Research, UCLA Institute of the Environment, Los Angeles, California, USA
    Malar J 8:193. 2009
    ..The mosquito vectors of Plasmodium spp. have largely been overlooked in studies of ecology and evolution of avian malaria and other vertebrates in wildlife...
  3. ncbi request reprint Blood parasites of chickens in Uganda and Cameroon with molecular descriptions of Leucocytozoon schoutedeni and Trypanosoma gallinarum
    Ravinder N M Sehgal
    Department of Biology, San Francisco State University, 1600 Holloway Ave, San Francisco, California 94132, USA
    J Parasitol 92:1336-43. 2006
    ..gallinarum for the first time since its discovery in 1911. These are the first assignments of DNA sequence data to these morphospecies of Leucocytozoon and Trypanosoma and may represent an example of intraspecific sequence divergence...
  4. ncbi request reprint Evidence for cryptic speciation of Leucocytozoon spp. (Haemosporida, Leucocytozoidae) in diurnal raptors
    Ravinder N M Sehgal
    Department of Biology, San Francisco State University, 1600 Holloway Avenue, San Francisco, California 94132, USA
    J Parasitol 92:375-9. 2006
    ..jamaicensis from California. These results suggest that Leucocytozoon toddi is most likely a group of cryptic species, with 1 species infecting Buteo spp. and 1 or more species, or subspecies, infecting Accipiter spp...
  5. pmc Deforestation and avian infectious diseases
    R N M Sehgal
    Department of Biology, San Francisco State University, San Francisco, CA 94132, USA
    J Exp Biol 213:955-60. 2010
    ..This research will be imperative to help predict and prevent outbreaks that could affect avifauna, humans and other wildlife worldwide...
  6. pmc Spatially explicit predictions of blood parasites in a widely distributed African rainforest bird
    R N M Sehgal
    Department of Biology, San Francisco State University, 1600 Holloway Avenue, San Francisco, CA 94132, USA
    Proc Biol Sci 278:1025-33. 2011
    ..The models presented here visualize gradients of disease prevalence, identify pathogen hotspots and will be instrumental in studying the effects of ecological change on these and other pathogens...
  7. ncbi request reprint Molecular evolution of three avian neurotrophin genes: implications for proregion functional constraints
    Ravinder N M Sehgal
    Center for Tropical Research, San Francisco State University, 1600 Holloway Avenue, San Francisco, CA 94132, USA
    J Mol Evol 57:335-42. 2003
    ....
  8. ncbi request reprint Host specificity and incidence of Trypanosoma in some African rainforest birds: a molecular approach
    R N Sehgal
    Center for Tropical Research, Department of Biology, San Francisco State University, 1600 Holloway, San Francisco, CA, 94132, USA
    Mol Ecol 10:2319-27. 2001
    ..This apparent lack of host or geographical specificity may have important consequences for the evolutionary and ecological interactions between parasitic trypanosomes and their avian hosts...
  9. doi request reprint Prevalence and diversity patterns of avian blood parasites in degraded African rainforest habitats
    Anthony Chasar
    Department of Biology, San Francisco State University, San Francisco, CA 94132, USA
    Mol Ecol 18:4121-33. 2009
    ..Our work demonstrates that anthropogenic habitat change can affect host-parasite systems and result in opposing trends in prevalence of haemosporidian parasites in wild bird populations...
  10. ncbi request reprint A comparative analysis of PCR-based detection methods for avaian malaria
    F Alexander Richard
    Center for Tropical Research, Department of Biology, San Francisco State University, 1600 Holloway, San Francisco, California 94132, USA
    J Parasitol 88:819-22. 2002
    ....
  11. ncbi request reprint Blood parasites of some West African rainforest birds
    Ravinder N M Sehgal
    Department of Biology, San Francisco State University, 1600 Holloway Ave, San Francisco, California 94132, USA
    J Vet Med Sci 67:295-301. 2005
    ..Our results are also compared to other studies in Africa that implement similar and different methodologies...
  12. pmc Nonspecific patterns of vector, host and avian malaria parasite associations in a central African rainforest
    K Y Njabo
    Center for Tropical Research, UCLA Institute of the Environment, Los Angeles, CA 90095, USA
    Mol Ecol 20:1049-61. 2011
    ..This study suggests extensive invertebrate host shifts in mosquito-parasite interactions and that avian Plasmodium species are most likely not tightly coevolved with vector species...
  13. doi request reprint Spatial variation of haemosporidian parasite infection in African rainforest bird species
    Claire Loiseau
    Center for Tropical Research, Institute of the Environment, University of California Los Angeles, Los Angeles, California 900 1606, USA
    J Parasitol 96:21-9. 2010
    ..Environmental conditions here can either favor or reduce parasite infection. We discuss the implications of these discrepancies for conservation and ecological studies of infectious diseases in natural populations...
  14. pmc Blood parasites in owls with conservation implications for the Spotted Owl (Strix occidentalis)
    Heather D Ishak
    Department of Biology, San Francisco State University, San Francisco, California, United States of America
    PLoS ONE 3:e2304. 2008
    ..o. caurina 52%, S. o. occidentalis 79%) and Barred Owls from the historic range (61%). Consequently, Barred Owls on the West Coast may have a competitive advantage over the potentially immune compromised Spotted Owls...
  15. doi request reprint New species of haemosporidian parasites (Haemosporida) from African rainforest birds, with remarks on their classification
    Gediminas Valkiunas
    Institute of Ecology, Vilnius University, Akademijos 2, Vilnius, 08412, Lithuania
    Parasitol Res 103:1213-28. 2008
    ..This study emphasises the value of both the polymerase chain reaction and microscopy in the identification of avian haemosporidian parasites...
  16. ncbi request reprint Further observations on the blood parasites of birds in Uganda
    Gediminas Valkiunas
    Institute of Ecology, Vilnius University, Akademijos 2, Vilnius 21, LT 08412, Lithuania
    J Wildl Dis 41:580-7. 2005
    ..Eighty-one were at the generic and 31 at the specific level of the hematozoa. Hepatozoon and Atoxoplasma spp. were detected for the first time in Uganda...
  17. ncbi request reprint Leucocytozoon (Apicomplexa: Leucocytozoidae) from West African birds, with descriptions of two species
    Hugh I Jones
    Microbiology, School of Biomedical and Chemical Sciences, University of Western Australia, Nedlands 6009, Western Australia
    J Parasitol 91:397-401. 2005
    ....
  18. doi request reprint Parasite misidentifications in GenBank: how to minimize their number?
    Gediminas Valkiunas
    Trends Parasitol 24:247-8. 2008