Publications Publications Vaughan, J.A., Tkach, V.V. and Greiman, S.E. (2012). Neorickettsial endosymbionts of the Digenea: diversity, transmission and distribution. Advances in Parasitology79: 253–297.
Tkach, V.V., Schroeder, J.A., Greiman, S.E. and Vaughan, J.A. (2012). New genetic lineages, host associations and circulation pathways of Neorickettsia endosymbionts of digeneans. Acta Parasitologica57: 285–292.
Greiman, S.E. and Tkach, V.V. (2012). Description and phylogenetic relationships of Rodentolepis gnoskei n. sp. from a shrew Suncus varilla minor in Malawi. Parasitology International61: 343-350.
Tkach, V.V., Platt, T.R. and Greiman, S.E. (2012). Opisthioglyphe sharmai n. sp. (Digenea: Telorchiidae) from gall bladder of turtles in Malaysia. Journal of Parasitology98: 863-868.
Ndiaye, P.I., Quilichini, Y., Tkach, V.V., Greiman, S.E., Ba, C.T., Marchand, B. (2013). Ultrastructure of the spermatozoon of the digenean Plagiorchis elegans (Rudolphi, 1802) (Plagiorchioidea, Plagiorchiidae). Journal of Morphology27: 965-972.
Greiman, S.E., Tkach, V.V. and Vaughan, J.A. (2013). Transmission rates of the bacterial endosymbiont, Neorickettsia risticii, during the asexual reproduction phase of its digenean host, Plagiorchis elegans, within naturally infected lymnaeid snails. Parasites & Vectors6: 303.
Greiman, S.E., Tkach, V.V. and Cook, J.A. (2013). Description and molecular differentiation of a new Staphylocystoides (Cyclophyllidea: Hymenolepididae) from the Dusky shrew Sorex monticolus in Southeast Alaska. Journal of Parasitology99: 1045-1049. Tkach, V.V., Greiman, S.E. and Steffes, K.R. (2013). Alloglossidium demshini sp. nov. (Digenea: Macroderoididae) from leeches in Minnesota. Acta Parasitologica, 58: 434-440.
Greani, S., Quilichini, Y., Foata, J., Greiman, S.E., Ndiaye, P.I., Tkach, V.V. and Marchand, B. (2014). Vitellogenesis of the digenean Plagiorchis elegans (Rudolphi, 1802) (Plagiorchioidea, Plagiorchiidae). Parasitology International, 63: 537-543.
Greiman, S.E., Tkach, V.V., Pulis, E., Fayton, T.J. and Curran, S.S. (2014). Large scale screening of digeneans for Neorickettsia endosymbionts using real-time PCR reveals new Neoricekttsia genotypes, host associations and geographic records including first reports from Australia and China. Plos One, 9:e98452.
Ordonez-Garza, N., Matson J.O., Eckerlin, R.P., Bulmer, W. and Greiman, S.E. (2014). Small mammal community from an isolated, remnant cloud forest in Guatemala. Occasional Papers Museum of Texas Tech University, 324:1-7.
Greiman, S.E., Tkach, M., Vaughan, J.A. and Tkach, V.V. (2015). Laboratory maintenance of the bacterial endosymbiont, Neorickettsia sp., through the life cycle of a digenean, Plagiorchis elegans. Experimental Parasitology, 157:78-83.
Cook, J.A., McLean, B.S., Jackson, D.J., Colella, J.P., Greiman, S.E., Tkach, V.V., Jung, T.S. and Dunnum J.L. (2016). First Record of the Holarctic Least Shrew (Sorex minutissimus) and Associated Helminths from Canada: New Light on Northern Pleistocene Refugia. Canadian Journal of Zoology, 92:367-372.
Greiman, S.E., Rikihisa, Y., Cain, J., Vaughan J.A. and Tkach V.V. (2016). Germs within worms: Localization of Neorickettsia sp. within life cycle stages of digenean Plagiorchis Elegans. Applied and Environmental Microbiology, 82:2356-62.
Greiman, S.E. and Tkach V.V. (2016). The numbers game: quantitative analysis of Neorickettsia sp. propagation through complex life cycle of its digenean host using real-time qPCR. Parasitology Research, 115:2779-88.
Hope, A.G., Greiman, S.E., Tkach V.V., Hoberg, E.P., and Cook, J.A. (2016). Shrews and their parasites: small species indicate big changes [in Arctic Report Card 2016], www.arctic.noaa.gov/Report-Card.
Greiman, S.E., Kent, M.L., Betts, J., Cochell, D., Sigler, T., and Tkach, V.V. (2016). Nanophyetus salmincola, vector of the salmon poisoning disease agent Neorickettsiahelminthoeca, harbors a second pathogenic Neorickettsia species. Veterinary Parasitology, 229:107-109.
Cook, J. A., S. Greiman, S. Agosta, R. P. Anderson, B. S. Arbogast, R. J. Baker, W. Boeger, R. D. Bradley, D. R. Brooks, R. Cole, J. R. Demboski, A. P. Dobson, J. L. Dunnum, R. P. Eckerlin, J. Esselstyn, K. Galbreath, J. Hawdon, H. Hoekstra, S. Kutz, J. Light, L. Olson, B. D. Patterson, J. L. Patton, A. J. Phillips, E. Rickart, D. S. Rogers, M. Siddall, V. Tkach, and E. P. Hoberg. 2016. Transformational principles for NEON sampling of mammalian parasites and pathogens: a response to Springer and colleagues. BioScience 66: 917-919.
Greiman, S.E., Vaughan, J.A., Elmahy, R., Adisakwattana, P., Nguyen, H.V., Fayton, T.J., Khalil, A.I., and Tkach, V.V. (2017). Real-time PCR detection and phylogenetic relationships of Neorickettsia spp. in digeneans from Egypt, Philippines, Thailand, Vietnam and the United States. Parasitology International, 66:1003-1007.
Cook, J.A., Galbreath, K., Bell, K., Campbell, M.L., Carriere, S., Colella, J.P., Dawson, N.G., Dunnum, J.L., Eckerlin, R.P., Greiman, S.E., et al. (2017). The Beringian Coevolution Project: holistic collections of mammals and associated parasites reveal novel perspectives on evolutionary and environmental change in the north. Arctic Science, XX.
Cook, J.A., Lacey, E.A., Ickert-Bond, S.M., Hoberg, E.P., Galbreath, K.E., Bell, K.C., Greiman, S.E., McLean, B.S. and Edwards, S. (2016). Chapter: From museum cases to the classroom: emerging opportunities for specimen-based education. Archives of the Zoological Museum of Moscow State University, 787-799.
Tkach, V.V. and Greiman, S.E. (2016). Transmission Biology, Host Associations, Distributions, and Molecular Diagnostics of Neorickettsia. In Thomas S. (ed.), Rickettsiales: biology, molecular biology, epidemiology and vaccine development, Springer International, Switzerland.
Presentations a. National and international meetings
Greiman S.E., Tkach V.V., Snyder S.D. New Dracovermis (Digenea,Liolopidae) from Australian crocodiles and its phylogenetic affinities. Oral presentation, 86th Annual Meeting of the American Society of Parasitologists, Anchorage, Alaska, June 2011.
Greiman S.E., Tkach V.V. and Gnoske T. First report on cestodes of small mammals from Malawi. Poster, 7th International Workshop on Cestode Systematics, Lawrence, Kansas, July 2011.
Vaughan J.A., Greiman S.E. and Mehus J.O. Investigating the role of melatonin in regulating nocturnal periodicity of avian microfilariae (Chandlerella quiscali) within their normal host, the Common Grackle. Poster, Am. Soc. Trop. Med. Hyg. Philly, PA, Dec. 2011.
Greiman S.E., Tkach V.V. and Vaughan J.A. Natural and experimental transmission of Neorickettsia risticii in the digenean Plagiorchiselegans. Oral presentation, 87th Annual Meeting of the American Society of Parasitologists, Richmond, Virginia, July 2012.
Matson J.O., Garza N.O., Bulmer W., Eckerlin R.P. and Greiman S.E. Small mammals from an isolated, remnant cloud forest in Guatemala. Poster, 93rd American Society of Mammalogists Annual Meeting, Philadelphia, Pennsylvania, June 2013
Greiman S.E., Tkach V.V. and Vaughan J.A. Vertical transmission biology and localization of Neorickettsia risticii in life cycle stages of the digenean Plagiorchis elegans. Oral presentation, American Society of Tropical Medicine and Hygiene 62nd Annual Meeting, Washington, DC, November 2013.
Greiman S.E., Tkach V.V. et al. Large scale screening of digeneans for Neorickettsia endosymbionts using real-time PCR expands knowledge of diversity, geography and host associations of Neorickettsia. Oral presentation, American Society of Parasitologists 89th Annual Meeting, New Orleans, Louisiana, July 2014.
Greiman S.E., Tkach V.V. and Vaughan J.A. Molecular prospecting for an elusive pathogen: the detection, molecular phylogeny, and host associations of Neorickettsia. Oral presentation, 12th International Conference on Molecular Epidemiology and Evolutionary Genetics of Infectious Diseases, Bangkok, Thailand, December 2014.
Greiman S.E. and Tkach V.V. Propagation of Neorickettsia sp. through digenean life cycle: quantitative aspects of transmission and localization within host. Poster presentation, 27th Meeting of the American Society for Rickettsiology, Olympic Valley, California, June 2015.
Greiman S.E. and Tkach V.V. Quantification of the bacterial endosymbiont, Neorickettsia sp., within all life cycle stages of a digenean host by use of real-time qPCR analysis. Oral presentation, 90th Annual Meeting of the American Society of Parasitologists, Omaha, Nebraska, June 2015.
Greiman S.E., Cook J.A., Tkach V.V., Hoberg E.P., Hope A.G., Menning D.M., Sonsthagen S.A., Talbot S.L. (2016) Museum metagenomics: a novel pathway revealing gut helminth communites and microbiomes of small mammals. Poster. Evolution, Austin, TX.
Ochoa N.V., Greiman S.E., Cook J.A. (2016) Phylogeography of two Northcentral Asian shrews (Sorex tundrensis and Sorex caecutiens). Poster. American Society of Mammalogists, Minneapolis, MN.
Kent M.L., Greiman S.E., Tkach V.V. Nanophyetus salmincola, vector of the salmon poisoning disease agent Neorickettsia helminthoeca, harbors a second species of pathogenic Neorickettsia. 61st Annual Meeting of the American Association of Veterinary Parasitologists, San Antonia, Texas, 7 August 2016.
b. Regional meetings
Greiman S.E., Tkach V.V. and Snyder S.D. A new species of digeneans from the Australian freshwater crocodile and phylogenetic interrelationships of the genus. Poster. ND EPSCoR State Conference, Sept. 2010.
Greiman S.E., Tkach V.V. and Snyder S.D. New Dracovermis (Digenea,Liolopidae) from Australian crocodiles and its phylogenetic affinities. Oral presentation, Northern Prairie Biological symposium, Grand Forks, ND, April 2011.
Peightal D., Greiman S.E., Mills A.M., Vaughan J.A. and Tkach V.V. Bacterial endosymbionts within parasitic flukes. Poster. ND EPSCoR State Conference, Sept. 2011.
Greiman S.E., Tkach V.V. and Vaughan J.A. Natural and experimental transmission of Neorickettsia risticii in digeneans. Poster. ND EPSCoR State Conference, Sept. 2012.
Crosby V., Greiman S.E. (2016) A Morphological and Molecular Study of Cestodes of the Pygmy Shrew, Sorex hoyi. Poster. Southwestern Association of Parasitologists, Lake Texoma, OK.
"Using Arctic Shrews and their parasites to understand the effects of climate change": http://blogs.plos.org/ecology/2017/01/20/using-arctic-shrews-and-their-parasites-to-understand-the-effects-of-climate-change/
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