Research Topics
| Susan E LittleSummaryAffiliation: Oklahoma State University Country: USA Publications
Research Grants
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Detail Information
Publications
Vector-borne diseases--constant challenge for practicing veterinarians: recommendations from the CVBD World ForumGad Baneth
Koret School of Veterinary Medicine, The Robert H Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem Rehovot, Israel
Parasit Vectors 5:55. 2012..As a result of these discussions, we, the members of the CVBD Forum have developed the following recommendations to veterinarians for the management of CVBDs...- Seroprevalence of Ehrlichia canis, Ehrlichia chaffeensis and Ehrlichia ewingii in dogs in North AmericaMelissa J Beall
IDEXX Laboratories, Inc, Westbrook, ME, USA
Parasit Vectors 5:29. 2012..in the south and central regions of the United States where vector-borne disease prevalence has been previously difficult to ascertain, particularly beyond the metropolitan areas... - New developments in canine hepatozoonosis in North America: a reviewSusan E Little
Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK, USA
Parasit Vectors 2:S5. 2009..Although several exciting advances have occurred in recent years, much remains to be learned about patterns of infection and the nature of clinical disease caused by the agents of canine hepatozoonosis in North America... 
Ehrlichia ewingii infection and exposure rates in dogs from the southcentral United StatesSusan E Little
Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK, USA
Vet Parasitol 172:355-60. 2010..ewingii may be the primary agent of canine ehrlichiosis in this region, and suggest that diagnostic evaluation of dogs suspected to have a tick-borne disease should include assays targeting this organism...- Lyme borreliosis in dogs and humans in the USASusan E Little
Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK 74078, USA
Trends Parasitol 26:213-8. 2010.... - Prevalence of intestinal parasites in pet dogs in the United StatesSusan E Little
Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK 74078, United States
Vet Parasitol 166:144-52. 2009.... - Ehrlichiosis and anaplasmosis in dogs and catsSusan E Little
Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK 74078 2007, USA
Vet Clin North Am Small Anim Pract 40:1121-40. 2010..This article highlights current understanding of the transmission, diagnosis, and management of ehrlichiosis and anaplasmosis in dogs and cats... 
Movement of Rhipicephalus sanguineus adults between co-housed dogs during active feedingSusan E Little
Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK, United States
Vet Parasitol 150:139-45. 2007....- Confirmation of Amblyomma americanum (Acari: Ixodidae) as a vector for Cytauxzoon felis (Piroplasmorida: Theileriidae) to domestic catsMason V Reichard
Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, 250 McElroy Hall, Oklahoma State University, Stillwater, OK 74078, USA
J Med Entomol 47:890-6. 2010..5% (one of 178) in males, 0.8% (three of 393) in nymphs, and 1.5% (three of 197) in females. We found no wild-collected D. variabilis infected with C. felis. Our results confirm that A. americanum is a primary vector of C. felis... - Novel Hepatozoon in vertebrates from the southern United StatesKelly E Allen
Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, Oklahoma 74074, USA
J Parasitol 97:648-53. 2011..4% identical). These data are consistent with recent work identifying prey-predator transmission cycles in Hepatozoon spp. and suggest this pattern may be more common than previously recognized... - Hepatozoon spp infections in the United StatesKelly E Allen
Department of Veterinary Pathobiology, Oklahoma State University Center for Veterinary Health Sciences, 250 McElroy Hall, Stillwater, OK 74078, USA
Vet Clin North Am Small Anim Pract 41:1221-38. 2011..The authors review current knowledge of canine hepatozoonosis caused by H. canis and H. americanum and elaborate on more recent research findings... - Infectivity of Hepatozoon americanum cystozoites for a dogEileen M Johnson
Oklahoma State University OSU, College of Veterinary Health Sciences CVHS, Department of Veterinary Pathobiology, Room 250 McElroy Hall, Stillwater, OK 74078, United States
Vet Parasitol 154:148-50. 2008..americanum. Xenodiagnosis was conducted by replete feeding of Ambylomma maculatum larvae on the dog; 40 days after detachment, sporulated oocysts were recovered from recently molted nymphs... - Experimental transmission of Hepatozoon americanum to New Zealand White rabbits (Oryctolagus cuniculus) and infectivity of cystozoites for a dogEileen M Johnson
Oklahoma State University, Center for Veterinary Health Sciences, Department of Veterinary Pathobiology, Stillwater, OK 74078, USA
Vet Parasitol 164:162-6. 2009..PCR assay of blood from the dog was positive for the Hepatozoon spp. gene fragment. Sequencing confirmed that the parasite in the dog was H. americanum... - Experimental transmission of Hepatozoon americanum to rodentsEileen M Johnson
Oklahoma State University, College of Veterinary Health Sciences, Department of Veterinary Pathobiology, Room 250 McElroy Hall, Stillwater, OK 74078 2007, United States
Vet Parasitol 151:164-9. 2008..americanum sequences previously reported from naturally-infected dogs (AF176836 and AY864676, respectively). Merogonous and gamontogonous stages of the parasite were not detected in any of the cystozoite-infected rodents... - Diversity of Hepatozoon species in naturally infected dogs in the southern United StatesKelly E Allen
Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK 74078, USA
Vet Parasitol 154:220-5. 2008..canis. Mixed H. americanum and H. canis-like infections also were detected. Our data suggest that H. americanum, H. canis, as well as H. canis-like organisms are present and may cause disease in dogs in the southern U.S... - Transmission of Cytauxzoon felis to a domestic cat by Amblyomma americanumMason V Reichard
Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK 74078, United States
Vet Parasitol 161:110-5. 2009..felis being transmitted by A. americanum. The transmission of C. felis infection from one domestic cat to another indicates that domestic cats subclinically infected with C. felis may be a reservoir of infection for naive domestic cats... - Field survey of rodents for Hepatozoon infections in an endemic focus of American canine hepatozoonosisEileen M Johnson
Oklahoma State University, Center for Veterinary Health Sciences, Department of Veterinary Pathobiology, Room 250, McElroy Hall, Stillwater, OK 74078 2007, United States
Vet Parasitol 150:27-32. 2007..However, the sequences were only 90.6% (cotton rat) and 91.4% (white-footed mouse) identical to H. americanum. These findings suggest that the rodents are obligate intermediate hosts for distinct Hepatozoon spp., but not H. americanum... - Inoculation of white-tailed deer (Odocoileus virginianus) with Ap-V1 Or NY-18 strains of Anaplasma phagocytophilum and microscopic demonstration of Ap-V1 In Ixodes scapularis adults that acquired infection from deer as nymphsMason V Reichard
Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, Oklahoma 74078, USA
Vector Borne Zoonotic Dis 9:565-8. 2009..Molted adult ticks maintained Ap-V1 infection as demonstrated by PCR and microscopy. We report, for the first time, a morphologic description of A. phagocytophilum in I. scapularis... - Detection of Babesia gibsoni and the canine small Babesia 'Spanish isolate' in blood samples obtained from dogs confiscated from dogfighting operationsTodd J Yeagley
Department of Veterinary Pathobiology, Center for Veterinary Health Science, Oklahoma State University, Stillwater, OK 74078, USA
J Am Vet Med Assoc 235:535-9. 2009..To determine the prevalence of Babesia gibsoni infection in dogs that were confiscated from dogfighting operations... - Detection of Dirofilaria immitis and Ehrlichia species in coyotes (Canis latrans), from rural Oklahoma and TexasKelsey L Paras
Department of Entomology and Plant Pathology, Oklahoma State University, Stillwater, Oklahoma 74078, USA
Vector Borne Zoonotic Dis 12:619-21. 2012..throughout the United States, but coyotes from rural Oklahoma in the current study had a higher exposure rate than those reported from California, and a lower rate than data from an earlier study from Oklahoma... - Experimental and field studies on the suitability of raccoons (Procyon lotor) as hosts for tick-borne pathogensMichael J Yabsley
Daniel B Warnell School of Forestry and Natural Resources, University of Georgia, Athens, Georgia 30602, USA
Vector Borne Zoonotic Dis 8:491-503. 2008..ewingii, or B. lonestari. However, raccoons are experimentally susceptible and naturally exposed to E. chaffeensis, and these data support the previous finding that raccoons may be involved in the natural history of A. phagocytophilum... - Detection of Rickettsia amblyommii in association with a tick bite rashSarah A Billeter
Vector Borne Diagnostic Disease Laboratory, North Carolina State University, College of Veterinary Medicine, Raleigh, North Carolina 27606, USA
Vector Borne Zoonotic Dis 7:607-10. 2007..amblyommii" by sequencing. To our knowledge, this is the first case in which R. amblyommii was temporally associated with a rash... - Theileriosis in a white-tailed deer (Odocoileus virginianus) fawnMichael J Yabsley
Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, The University of Georgia, Athens, Georgia 30602, USA
J Wildl Dis 41:806-9. 2005..cervi parasitemias have been commonly reported in healthy white-tailed deer, the severe parasitemia in this fawn may have contributed to overt clinical disease, perhaps as part of a combined malnutrition and parasitemia syndrome... - First culture isolation of Borrelia lonestari, putative agent of southern tick-associated rash illnessAndrea S Varela
Department of Medical Microbiology and Parasitology, University of Georgia, Athens, Georgia 30602, USA
J Clin Microbiol 42:1163-9. 2004..lonestari in culture, providing a much needed source of organisms for the development of diagnostic assays and forming a basis for future studies investigating the role of the organism as a human disease agent... - Detection of Borrelia lonestari, putative agent of southern tick-associated rash illness, in white-tailed deer (Odocoileus virginianus) from the southeastern United StatesVictor A Moore
Department of Medical Microbiology and Parasitology. Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine. The D. B. Warnell School of Forest Resources, The University of Georgia, Athens, Georgia 30602
J Clin Microbiol 41:424-7. 2003..lonestari or another closely related Borrelia species. Our findings expand the known geographic range of B. lonestari and provide the first evidence of this organism in a vertebrate other than humans...
Research Grants
- Diagnostic assays for Borrelia IonestariSusan Little; Fiscal Year: 2005..causing disease in people and, ultimately, a more robust understanding of the role of B. lonestari as a human pathogen. Improved diagnosis of human B. lonestari infection should result. ..
- Natural History of Borrelia lonestariSusan Little; Fiscal Year: 2006..S., enhancing public health efforts in those areas where people are risk of infection; reduction in human disease from these pathogens should result. ..