Publications

Hill JE, Bernasconi DA, Chipman RB, Gilbert AT, Beasley JC, Rhodes Jr OE and Dharmarajan G (2023) Home range and resource selection of Virginia opossums in the rural southeastern United States. Mammal Research (2023). https://doi.org/10.1007/s13364-023-00733-y
Hill JE, Miller ML, Helton JL, Chipman RB, Gilbert AT, Beasley JC, Dharmarajan G, Rhodes OE Jr. (2023) Raccoon spatial ecology in the rural southeastern United States. Plos One 18: e0293133 https://doi.org/10.1371/journal.pone.0293133
Bernasconi DA, Miller ML, Gupta P, Chipman RB, Gilbert AT, Beasley JC, Rhodes Jr OE and Dharmarajan G (2023) Raccoons (Procyon lotor) experience higher Trypanosoma cruzi infection rates than opossums (Didelphis virginia) in the Southeast US. Journal of Wildlife Disease https://doi.org/10.7589/JWD-D-22-00174
Dixon WC, Hill JE, Chipman RB, Davis AJ, Gilbert AT, Beasley JC, Rhodes Jr OE and Dharmarajan G (2023) Interspecific oral rabies vaccine bait competition in the Southeast United States. Applied Animal Behaviour Science 261, 105897 https://doi.org:10.1016/j.applanim.2023.105897
Frederick JC, Thompson AT, Sharma P, Dharmarajan G, Ronai I, Pesapane R, Smith RC, Sundstrom KD, Tsao JI, Tuten HC, Yabsley MJ and Glenn TC (2023) Phylogeography of the blacklegged tick (Ixodes scapularis) throughout the USA identifies candidate loci for differences in vectorial capacity. Molecular Ecology 32, 3133-3149 https://doi.org:10.1111/mec.16921
Helton JL, Hill JE, Bernasconi DA, Dixon WC, Chipman RB, Gilbert AT, Beasley JC, Dharmarajan G and Rhodes Jr OE (2023) Assessment of habitat‐specific competition for oral rabies vaccine baits between raccoons and opossums. The Journal of Wildlife Management 87, e22398 https://doi.org:10.1002/jwmg.22398
Hill JE, Helton JL, Bernasconi DA, Dixon WC, Hamilton MT, Chipman RB, Gilbert AT, Beasley JC, Dharmarajan G and Rhodes Jr OE (2023) Raccoon densities across four rural habitats in the Southeastern United States. The Journal of Wildlife Management 87, e22480 https://doi.org:10.1002/jwmg.22480
Hill JE, Helton JL, Chipman RB, Gilbert AT, Beasley JC, Dharmarajan G and Rhodes Jr OE (2023) Spatial ecology of translocated raccoons. Scientific Reports 13, 10447 https://doi.org:10.1038/s41598-023-37323-6
Bernasconi DA, Dixon WC, Hamilton MT, Helton JL, Chipman RB, Gilbert AT, Beasley JC, Rhodes Jr OE and Dharmarajan G (2022) Influence of landscape attributes on Virginia opossum density. The Journal of Wildlife Management 86: e22280 https://doi.org:10.1002/jwmg.22280
Dharmarajan G, Li R, Chanda E, Dean KR, Dirzo R, Jakobsen KS, Khan I, Leirs H, Shi Z-L, Wolfe ND, Yang R and Stenseth NC (2022) The animal origin of major human infectious diseases: What can past epidemics teach us about preventing the next pandemic? Zoonoses 2: 11 https://doi.org:10.15212/zoonoses-2021-0028
Dharmarajan G, Gupta P, Vishnudas CK and Robin VV (2021) Anthropogenic disturbance favours generalist over specialist parasites in bird communities: Implications for risk of disease emergence. Ecology Letters 24, 1859-1868 https://doi.org:10.1111/ele.13818 [Cover Article]
Fecchio A, Clark NJ, Bell JA, Skeen HR, Lutz HL, De La Torre GM, Vaughan JA, Tkach VV, Schunck F, Ferreira FC, Braga ÉM, Lugarini C, Wamiti W, Dispoto JH, Galen SC, Kirchgatter K, Sagario MC, Cueto VR, González‐Acuña D, Inumaru M, Sato Y, Schumm YR, Quillfeldt P, Pellegrino I, Dharmarajan G, Gupta P, Robin VV, Ciloglu A, Yildirim A, Huang X, Chapa‐Vargas L, Álvarez‐Mendizábal P, Santiago‐Alarcon D, Drovetski SV, Hellgren O, Voelker G, Ricklefs RE, Hackett SJ, Collins MD, Weckstein JD, Wells K and Kamath P (2021) Global drivers of avian haemosporidian infections vary across zoogeographical regions. Global Ecology and Biogeography 30, 2393-2406 https://doi.org:10.1111/geb.13390
Seal S, Dharmarajan G and Khan I (2021) Evolution of pathogen tolerance and emerging infections: A missing experimental paradigm. eLife 10, e68874 https://doi.org:10.7554/eLife.68874
Stenseth NC, Dharmarajan G, Li R, Shi ZL, Yang R and Gao GF (2021) Lessons learnt from the COVID-19 pandemic. Frontiers in Public Health 9, 694705 https://doi.org:10.3389/fpubh.2021.694705
Street GM, Potts JR, Börger L, Beasley JC, Demarais S, Fryxell JM, McLoughlin PD, Monteith KL, Prokopenko CM, Ribeiro MC, Rodgers AR, Strickland BK, van Beest FM, Bernasconi DA, Beumer LT, Dharmarajan G, Dwinnell SP, Keiter DA, Keuroghlian A, Newediuk LJ, Oshima JEF, Rhodes Jr OE, Schlichting PE, Schmidt NM and Vander Wal E (2021) Solving the sample size problem for resource selection functions. Methods in Ecology and Evolution 12, 2421-2431 https://doi.org:10.1111/2041-210x.13701
Adegoke A, Neff E, Geary A, Husser MC, Wilson K, Norris SM, Dharmarajan G and Karim S (2020) Laboratory colonization by Dirofilaria immitis alters the microbiome of female Aedes aegypti mosquitoes. Parasites and Vectors 13, 349 https://doi.org:10.1186/s13071-020-04218-8
Gupta P, Robin VV and Dharmarajan G (2020) Towards a more healthy conservation paradigm: integrating disease and molecular ecology to aid biological conservation. Journal of Genetics 99, Article 65, 1-26 https://doi.org:10.1007/s12041-020-01225-7
Gupta P, Vishnudas CK, Robin VV and Dharmarajan G (2020) Host phylogeny matters: Examining sources of variation in infection risk by blood parasites across a tropical montane bird community in India. Parasit Vectors 13, 536 https://doi.org:10.1186/s13071-020-04404-8
Neff E and Dharmarajan G (2020) The direct and indirect effects of copper on vector-borne disease dynamics. Environmental Pollution 269, 116213 https://doi.org:10.1016/j.envpol.2020.116213
Neff E, Evans CC, Jimenez Castro PD, Kaplan RM and Dharmarajan G (2020) Drug resistance in filarial parasites does not affect mosquito vectorial capacity. Pathogens 10, 2 https://doi.org:10.3390/pathogens10010002
Rhodes Jr OE, Jr., Brechignac F, Bradshaw C, Hinton TG, Mothersill C, Arnone JA, 3rd, Aubrey DP, Barnthouse LW, Beasley JC, Bonisoli-Alquati A, Boring LR, Bryan AL, Capps KA, Clement B, Coleman A, Condon C, Coutelot F, DeVol T, Dharmarajan G, Fletcher D, Flynn W, Gladfelder G, Glenn TC, Hendricks S, Ishida K, Jannik T, Kapustka L, Kautsky U, Kennamer R, Kuhne W, Lance S, Laptyev G, Love C, Manglass L, Martinez N, Mathews T, McKee A, McShea W, Mihok S, Mills G, Parrott B, Powell B, Pryakhin E, Rypstra A, Scott D, Seaman J, Seymour C, Shkvyria M, Ward A, White D, Wood MD and Zimmerman JK (2020) Integration of ecosystem science into radioecology: A consensus perspective. Science of the Total Environment 740, 140031 https://doi.org:10.1016/j.scitotenv.2020.140031
Sanchez J, Dharmarajan G, George MM, Pulaski C, Wolstenholme AJ, Gilleard JS and Kaplan RM (2020) Using population genetics to examine relationships of Dirofilaria immitis based on both macrocyclic lactone-resistance status and geography. Veterinary Parasitology 283, 109125 https://doi.org:10.1016/j.vetpar.2020.109125
Crispell G, Commins SP, Archer-Hartman SA, Choudhary S, Dharmarajan G, Azadi P and Karim S (2019) Discovery of alpha-gal-containing antigens in North American tick species believed to induce red meat allergy. Frontiers in Immunology 10, 1056 https://doi.org:10.3389/fimmu.2019.01056
Dharmarajan G, Walker KD and Lehmann T (2019) Variation in tolerance to parasites affects vectorial capacity of natural Asian tiger mosquito populations. Current Biology 29, 3946-3952 e3945 https://doi.org:10.1016/j.cub.2019.09.047
Gupta P, Vishnudas CK, Ramakrishnan U, Robin VV and Dharmarajan G (2019) Geographical and host species barriers differentially affect generalist and specialist parasite community structure in a tropical sky-island archipelago. Proceedings of the Royal Society B 286, 20190439 https://doi.org:10.1098/rspb.2019.0439
Neff E, Coleman AL, Maness R, Tanelus M, Xu X and Dharmarajan G (2019) Effects of methylmercury on mosquito oviposition behavior: Maladaptive response to non-toxic exposure. Science of the Total Environment 667, 248-254 https://doi.org:10.1016/j.scitotenv.2019.02.314
Tanelus M, Pilgrim M and Dharmarajan G (2018) Effects of methylmercury on early life mortality of yellow fever mosquitoes (Aedes aegypti). USC Upstate Student Research Journal 10, 40-48
Dharmarajan G, Beasley JC, Beatty WS, Olson ZH, Fike JA, Rhodes Jr OE and Park A (2016) Genetic co‐structuring in host‐parasite systems: Empirical data from raccoons and raccoon ticks. Ecosphere 7, e01269 https://doi.org:10.1002/ecs2.1269
Beasley JC, Dharmarajan G and Rhodes Jr OE (2015) Melding kin structure and demography to elucidate source and sink habitats in fragmented landscapes. Ecosphere 6, 1-30 https://doi.org:10.1890/es14-00274.1
Dharmarajan G (2015) Inbreeding in stochastic subdivided mating systems: the genetic consequences of host spatial structure, aggregated transmission dynamics and life history characteristics in parasite populations. Journal of Genetics 94, 43-53 https://doi.org:10.1007/s12041-015-0488-y
Sarkissian CA, Campbell SK, Dharmarajan G, Jacquot J, Page LK and Graham DH (2015) Microgeographic population genetic structure of Baylisascaris procyonis (Nematoda: Ascaroidae) in western Michigan indicates the grand river is a barrier to gene flow. Journal of Parasitology 101, 671-676 https://doi.org:10.1645/15-767
Dharmarajan G, Beasley JC, Fike JA and Rhodes Jr OE (2014) Effects of landscape, demographic and behavioral factors on kin structure: Testing ecological predictions in a mesopredator with high dispersal capability. Animal Conservation 17, 225-234 https://doi.org:10.1111/acv.12086
Tan CG, Dharmarajan G, Beasley J, Rhodes Jr OE, Moore G, Wu CC and Lin TL (2014) Neglected leptospirosis in raccoons (Procyon lotor) in Indiana, USA. Veterinary Quarterly 34, 1-10 https://doi.org:10.1080/01652176.2014.909960
Beasley JC, Olson ZH, Beatty WS, Dharmarajan G and Rhodes Jr OE, Jr. (2013) Effects of culling on mesopredator population dynamics. PlosOne 8, e58982 https://doi.org:10.1371/journal.pone.0058982
Dharmarajan G, Beatty WS and Rhodes Jr OE, Jr. (2013) Heterozygote deficiencies caused by a Wahlund effect: Dispelling unfounded expectations. Journal of Wildlife Management 77, 226-234 https://doi.org:10.1002/jwmg.458
Beatty WS, Beasley JC, Dharmarajan G and Rhodes Jr OE, Jr. (2012) Genetic structure of a Virginia opossum (Didelphis virginiana) population inhabiting a fragmented agricultural ecosystem. Canadian Journal of Zoology-Revue Canadienne De Zoologie 90, 101-109 https://doi.org:10.1139/z11-119
Dharmarajan G, Beasley JC, Fike JA, Raizman EA, Wu CC, Pogranichniy RM and Rhodes Jr OE (2012) Effects of kin-structure on disease dynamics in raccoons (Procyon lotor) inhabiting a fragmented landscape. Basic and Applied Ecology 13, 560-567 https://doi.org:10.1016/j.baae.2012.08.010
Beasley JC, Olson ZH, Dharmarajan G, Eagan TS and Rhodes Jr OE (2011) Spatio-temporal variation in the demographic attributes of a generalist mesopredator. Landscape Ecology 26, 937-950 https://doi.org:10.1007/s10980-011-9619-x
Dharmarajan G, Beasley JC and Rhodes Jr OE, Jr. (2011) Heterozygote deficiencies in parasite populations: an evaluation of interrelated hypotheses in the raccoon tick, Ixodes texanus. Heredity 106, 253-260 https://doi.org:10.1038/hdy.2010.84
Dharmarajan G and Rhodes Jr OE (2011) Evaluating levels of PCR efficiency and genotyping error in DNA extracted from engorged and non-engorged female Dermacentor variabilis ticks. Medical and Veterinary Entomology 25, 109-112 https://doi.org:10.1111/j.1365-2915.2010.00903.x
MacNeil JE, Dharmarajan G and Williams RN (2011) SALA MARKER: a code generator and standardized marking system for use with visible implant elastomers. Herpetological Conservation and Biology 6, 260-265
Dharmarajan G, Beasley JC and Rhodes Jr OE, Jr. (2010) Spatial and temporal factors affecting parasite genotypes encountered by hosts: Empirical data from American dog ticks (Dermacentor variabilis) parasitising raccoons (Procyon lotor). International Journal for Parasitology 40, 787-795 https://doi.org:10.1016/j.ijpara.2009.12.004
Dharmarajan G, Beasley JC, Fike JA and Rhodes Jr OE (2009) Population genetic structure of raccoons (Procyon lotor) inhabiting a highly fragmented landscape. Canadian Journal of Zoology-Revue Canadienne De Zoologie 87, 814-824 https://doi.org:10.1139/z09-072
Dharmarajan G, Fike JA, Beasley JC and Rhodes Jr OE (2009) Development and characterization of 12 polymorphic microsatellite loci in the American dog tick (Dermacentor variabilis). Molecular Ecology Resources 9, 131-133 https://doi.org:10.1111/j.1755-0998.2008.02313.x
Dharmarajan G, Fike JA, Beasley JC and Rhodes Jr OE (2009) Development and characterization of 14 polymorphic microsatellite loci in the raccoon tick (Ixodes texanus). Molecular Ecology Resources 9, 296-298 https://doi.org:10.1111/j.1755-0998.2008.02314.x
Raizman EA, Dharmarajan G, Beasley JC, Wu CC, Pogranichniy RM and Rhodes Jr OE. (2009) Serologic survey for selected infectious diseases in raccoons (Procyon lotor) in Indiana, USA. Journal of Wildlife Diseases 45, 531-536 https://doi.org:10.7589/0090-3558-45.2.531
Anderson SJ, Fike JA, Dharmarajan G and Rhodes Jr OE (2007) Characterization of 12 polymorphic microsatellite loci for eastern chipmunks (Tamias striatus). Molecular Ecology Notes 7, 513-515 https://doi.org:10.1111/j.1471-8286.2006.01638.x
Barr KR, Dharmarajan G, Rhodes Jr OE, Lance RL and Leberg PL (2007) Novel microsatellite loci for the study of the black-capped vireo (Vireo atricapillus). Molecular Ecology Notes 7, 1067-1069 https://doi.org:10.1111/j.1471-8286.2007.01779.x
Fike JA, Drauch AM, Beasley JC, Dharmarajan G and Rhodes Jr OE (2007) Development of 14 multiplexed microsatellite loci for raccoons Procyon lotor. Molecular Ecology Notes 7, 525-527 https://doi.org:10.1111/j.1471-8286.2006.01643.x
Latch EK, Dharmarajan G, Glaubitz JC and Rhodes Jr OE (2006) Relative performance of Bayesian clustering software for inferring population substructure and individual assignment at low levels of population differentiation. Conservation Genetics 7, 295-302 https://doi.org:10.1007/s10592-005-9098-1
Beheler AS, Fike JA, Dharmarajan G, Rhodes Jr OE and Serfass TL (2005) Ten new polymorphic microsatellite loci for North American river otters (Lontra canadensis) and their utility in related mustelids. Molecular Ecology Notes 5, 602-604 https://doi.org:10.1111/j.1471-8286.2005.01005.x
Dharmarajan G, Raman M and John MC (2005) Effect of season on helminth loads of wild herbivores and cattle in the Mudumalai Wildlife Sanctuary, Southern India. Zoos’ Print Journal 20, 1766-1769
Dharmarajan G, Raman M and John MC (2004) Are worms affected by host ecology? A perspective from Mudumalai Wildlife Sanctuary, Southern India. Journal of the Bombay Natural History Society 101, 399-402
Dharmarajan G, Raman M and John MC (2003) Effect of cattle and habitat on helminth community structure of chital. Indian Veterinary Journal 80, 984-987
Dharmarajan G, Raman M and John MC (2003) The effects of cattle grazing and habitat on helminth loads of chital (Axis axis) in the Mudumalai Wildlife Sanctuary, Southern India. Journal of the Bombay Natural History Society 100, 58-64
Nambi AP, Jayathangaraj MG, Thirunavakarasu PS, Raman M and Dharmarajan G (1989) Strongyloidosis in a bonnet macaque (Macaca radiata)- A case report. Indian Journal of Veterinary Medicine 13, 64-65

In Progress

Hill JE, Bernasconi DA, Chipman RB, Gilbert AT, Beasley JC, Rhodes OE Jr., Dharmarajan G, (in review) Home range and resource selection of Virginia opossums in rural habitats of South Carolina.
Li Y et al. (in review) Landscape ecological consolidations determine zoonotic host diversity in human habitats.
Davis AJ, Dixon WC, Hill JE, Helton JL, Bernasconi DA, Chipman RB, Gilbert AT, Beasley JC, Rhodes OE Jr., Dharmarajan G (in prep) Comparing the relative densities of raccoons (Procyon lotor) and Virginia opossums (Didelphis virginiana) estimated by live and camera trapping data in the Southeast United States.
Gupta P, Kieran T, Bayona-Vasquez N, Yabsley M, Glenn T Dharmarajan G (in prep) Target sequence capture for phylogenomic research of diverse haemosporidian parasites infecting mammal and bird host species. Target journal: Molecular Ecology Resources
Varughese J, Gupta P, Rajamani N, Shomita M, Dharmarajan G and Robin VV (in prep) Ecology, evolution and conservation in tropical sky-island systems. Target journal: Journal of Genetics

In Progress

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