Research Topics
| Monica SantinSummaryAffiliation: Agricultural Research Service Country: USA Publications
| Collaborators |
Detail Information
Publications
Prevalence and molecular characterization of Cryptosporidium and Giardia species and genotypes in sheep in MarylandMonica Santin
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Vet Parasitol 146:17-24. 2007..duodenalis Assemblage A suggests a low prevalence of these zoonoses. However, the high prevalence of the zoonotic cervine genotype indicates that sheep should be considered a potential environmental source of this human pathogen...
Prevalence and genotypes of Enterocytozoon bieneusi in weaned beef calves on cow-calf operations in the USAMonica Santin
United States Department of Agriculture, Environmental Microbial and Food Safety Laboratory, Animal and Natural Resources Institute Agricultural Research Service, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD, 20705, USA
Parasitol Res 110:2033-41. 2012..Most of the positive calves (238 of 285) harbored genotypes with zoonotic potential including I (59), J (108), BEB4 (65), type IV (1), mixed I/BEB4 (3), and mixed J/BEB4 (2)...
A longitudinal study of Giardia duodenalis genotypes in dairy cows from birth to 2 years of ageMonica Santin
Environmental Microbial and Food Safety Laboratory, Animal and Natural Resources Institute Agricultural Research Service, United States Department of Agriculture, MD 20705, USA
Vet Parasitol 162:40-5. 2009..duodenalis are more common than previously reported. Thus, calves appear to be a more significant reservoir of human infectious G. duodenalis than previous data have suggested...
A multiplex polymerase chain reaction assay to simultaneously distinguish Cryptosporidium species of veterinary and public health concern in cattleMonica Santin
Environmental Microbial and Food Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Vet Parasitol 166:32-7. 2009....
A zoonotic genotype of Enterocytozoon bieneusi in horsesMonica Santin
Environmental Microbial and Food Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
J Parasitol 96:157-61. 2010..bieneusi zoonotic genotypes. Our findings indicate that E. bieneusi from horses can be a potential source of infection for humans...
A longitudinal study of cryptosporidiosis in dairy cattle from birth to 2 years of ageMonica Santin
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD 20705, USA
Vet Parasitol 155:15-23. 2008..3%, respectively. C. parvum constituted 97% of infections in pre-weaned calves but only 4% and 0% of infections in post-weaned calves and heifers, respectively. All C. parvum GP60 nucleotide sequences were subtype IIaA15G2R1...
Microsporidiosis: Enterocytozoon bieneusi in domesticated and wild animalsMonica Santin
Environmental Microbial and Food Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Res Vet Sci 90:363-71. 2011..The information presented in this review should be useful in understanding the taxonomy, epidemiology, zoonotic potential, and importance in public health of E. bieneusi...
Prevalence of Giardia duodenalis assemblages in weaned cattle on cow-calf operations in the United StatesMonica Santin
Environmental Microbial Food Safety Laboratory, Animal and Natural Resources Institute Agricultural Research Service, United States Department of Agriculture, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Vet Parasitol 183:231-6. 2012..duodenalis found in weaned beef calves was assemblage E which represents no known zoonotic threat. However, the presence of assemblage A in a small number of animals poses a potential risk of infection to humans...
Development of a new PCR protocol to detect and subtype Blastocystis spp. from humans and animalsMonica Santin
Environmental Microbial and Food Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Parasitol Res 109:205-12. 2011..Based on these findings, application of this method can elucidate the complexity of this heterogeneous genus and its role in human and animal disease, as well as its zoonotic potential...
Cryptosporidium ubiquitum n. sp. in animals and humansRonald Fayer
Environmental Microbial and Food Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Vet Parasitol 172:23-32. 2010..Based on morphological, molecular and biological data, this geographically widespread parasite infectious for a wide range of mammalian hosts is recognized as a new species and is named C. ubiquitum...
Prevalence of species and genotypes of Cryptosporidium found in 1-2-year-old dairy cattle in the eastern United StatesRonald Fayer
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Vet Parasitol 135:105-12. 2006..Consequently, the risk of humans acquiring infection with C. parvum from exposure to feces from yearling and older cattle appears much lower than from exposure to pre-weaned calves...
A longitudinal study of Enterocytozoon bieneusi in dairy cattleMonica Santin
Animal and Natural Resources Institute, United States Department of Agriculture, Beltsville, MD 20705, USA
Parasitol Res 105:141-4. 2009..These genotypes appear to be cattle specific and have not been found in humans or other animals...
Prevalence and genotypes of Giardia duodenalis in 1-2 year old dairy cattleJames M Trout
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, US Department of Agriculture, Beltsville, MD 20705, USA
Vet Parasitol 140:217-22. 2006..Therefore, heifers cannot be overlooked as a potential source of human infectious cysts in the environment, with some farms representing a much higher risk than others...
Detection of Cryptosporidium felis and Giardia duodenalis Assemblage F in a cat colonyRonald Fayer
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD 20705, USA
Vet Parasitol 140:44-53. 2006..Because C. felis is zoonotic these findings suggest that care should be taken by veterinary health care providers and others in close contact with cats, even when cats appear healthy and asymptomatic...
Prevalence of Giardia duodenalis genotypes in pre-weaned dairy calvesJames M Trout
Environmental Microbial Safety Laboratory, U S Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Vet Parasitol 124:179-86. 2004..Calves should be considered as a potential source of human infectious cysts in the environment...
Cryptosporidium ryanae n. sp. (Apicomplexa: Cryptosporidiidae) in cattle (Bos taurus)Ronald Fayer
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Vet Parasitol 156:191-8. 2008..Based on morphological, molecular and biological data, this geographically widespread parasite found only in Bos taurus calves is recognized as a new species and is named C. ryanae...
Detection of Assemblage A, Giardia duodenalis and Eimeria spp. in alpacas on two Maryland farmsJames M Trout
Environmental Microbial Safety Laboratory, United States Department of Agriculture, Agricultural Research Service, Beltsville, MD, USA
Vet Parasitol 153:203-8. 2008..were not detected on either farm. Although the prevalence on these two farms was low, alpacas can harbor zoonotic G. duodenalis, and this should be borne in mind by persons interacting with the animals...
Intragenotypic variations in the Cryptosporidium sp. cervine genotype from sheep with implications for public healthMonica Santin
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
J Parasitol 93:668-72. 2007..cervine genotype with 3 different subtypes (cervine 1-3). No sequence variation at HSP-70 and COWP genes were observed. Sheep should be considered as an important reservoir for this zoonotic genotype of Cryptosporidium sp...
Enterocytozoon bieneusi genotypes in dogs in Bogota, ColombiaMonica Santin
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Beltsville, Maryland 20705, USA
Am J Trop Med Hyg 79:215-7. 2008..This is the first time that Peru 5 and K genotypes have been identified in dogs. This study confirms that dogs are infected with both human pathogenic and host-specific genotypes...
Prevalence and genotypes of Giardia duodenalis in post-weaned dairy calvesJames M Trout
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, U S Department of Agriculture, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Vet Parasitol 130:177-83. 2005..Therefore calves should be considered as a potential source of human infectious cysts in the environment, with some farms representing a much higher risk than others...
Cryptosporidium xiaoi n. sp. (Apicomplexa: Cryptosporidiidae) in sheep (Ovis aries)Ronald Fayer
Environmental Microbial and Food Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, Building 173, BARC East, 10300 Baltimore Avenue, Beltsville, MD 20705, USA
Vet Parasitol 164:192-200. 2009..Based on morphological, molecular and biological data, this geographically widespread parasite found in Ovis aries is recognized as a new species and is named C. xiaoi...
Prevalence of Cryptosporidium species and genotypes in mature dairy cattle on farms in eastern United States compared with younger cattle from the same locationsRonald Fayer
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, United States Department of Agriculture, BARC East, 10300 Baltimore Avenue, Beltsville, Maryland 20705, USA
Vet Parasitol 145:260-6. 2007..The very low level of infection with C. parvum, the major species pathogenic to both cattle and humans, suggests that mature dairy cattle are a relatively low risk source of infection for humans...
Cryptosporidium bovis n. sp. (Apicomplexa: Cryptosporidiidae) in cattle (Bos taurus)Ronald Fayer
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute Agricultural Research Service, United States Department of Agriculture, Beltsville, Maryland 20705, USA
J Parasitol 91:624-9. 2005..Based on these biological and molecular data, we consider this highly prevalent Cryptosporidium that infects primarily postweaned calves to be a new species and propose the name Cryptosporidium bovis n. sp. for this parasite...
Prevalence of Giardia duodenalis genotypes in adult dairy cowsJames M Trout
Environmental Microbial Safety Laboratory, Animal and Natural Resources Institute, Agricultural Research Service, U S Department of Agriculture, Beltsville, MD 20705, USA
Vet Parasitol 147:205-9. 2007..duodenalis. Therefore, although adult cows do not appear to be a significant source of human infectious cysts in the environment, the risk from this age group should not entirely be discounted...
Species of Cryptosporidium detected in weaned cattle on cow-calf operations in the United StatesRonald Fayer
United States Department of Agriculture, Agricultural Research Service, Environmental Microbial Food Safety Laboratory, Beltsville, MD 20705, USA
Vet Parasitol 170:187-92. 2010..The zoonotic species, C. parvum, was not detected in any samples from 6- to 18-month-old cattle, a finding that parallels reports for dairy cattle of similar age in which less than 1% were found to harbor this species...
First report of Giardia in coyotes (Canis latrans)Monica Santin
USDA, ARS, Environmental Microbial Safety Laboratory, Beltsville, MD 20705, USA
J Eukaryot Microbiol 50:709. 2003
Detection of Encephalitozoon hellem in feces of experimentally infected chickensRonald Fayer
USDA, ARS, Environmental Safety Laboratory, Beltsville, MD 20705, USA
J Eukaryot Microbiol 50:574-5. 2003
Comparison of microscopy and PCR for detection of three species of Encephalitozoon in fecesRonald Fayer
USDA, ARS, Environmental Microbial Safety Laboratory, Beltsville, MD 20705, USA
J Eukaryot Microbiol 50:572-3. 2003
Enterocytozoon bieneusi genotype nomenclature based on the internal transcribed spacer sequence: a consensusMonica Santin
Environmental Microbial Safety Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, Maryland 20705, USA
J Eukaryot Microbiol 56:34-8. 2009..In those publications the names and GenBank numbers that were submitted at later dates should also be provided by the authors as synonyms to aid readers and reviewers...
Infectivity of Cryptosporidium parvum oocysts after storage of experimentally contaminated applesDumitru Macarisin
U S Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, Environmental Microbial and Food Safety Laboratory, 10300 Baltimore Avenue, Building 173, BARC East, Beltsville, Maryland 20705, USA
J Food Prot 73:1824-9. 2010..Some oocysts were closely associated with what appeared to be an amorphous substance with which they might have been attached to the apple surface...
Gene expression during excystation of Cryptosporidium parvum oocystsMark C Jenkins
Environmental Microbiology and Food Safety Laboratory, Agricultural Research Service, USDA, Beltsville, MD 20705, USA
Parasitol Res 109:509-13. 2011..Moreover, of the greater than 1,000 clones analyzed, a high percentage (12.3%) of ESTs detected in excysting oocysts were for hypothetical C. parvum proteins (CpHyP), whose functions are presently unknown...
