Dr. Marion East

Projects
Selected publications

Dayaram A, Seeber P, Courtiol A, Soilemetzidou S, Tsangaras K, Franz M, McEwen G, Azab W, Kaczensky P, Melzheimer J, East M, Ganbaatar O, Walzer C, Osterrieder N, Greenwood AD (2021): Seasonal host and ecological drivers may promote restricted water as a viral vector. SCI TOTAL ENVIRON 733, 145446. doi:10.1016/j.scitotenv.2021.145446

Seeber PA, Kuzmina TA, Greenwood AD, East ML (2020): Effects of life history stage and climatic conditions on fecal egg counts in plains zebras (Equus quagga) in the Serengeti National Park. PARASITOL RES 119, 3401–3413. doi:10.1007/s00436-020-06836-8

Seeber PA, Morrison T, Ortega A, East ML, Greenwood AD, Czirják GÁ (2020): Immune differences in captive and free-ranging zebras (Equus zebra and E. quagga). MAMM BIOL 100, 155–164. doi:10.1007/s42991-020-00006-0

Ferreira SCM, Hofer H, Madeira de Carvalho L, East ML (2019): Parasite infections in a social carnivore: Evidence of their fitness consequences and factors modulating infection load. ECOL EVOL 9, 8783–8799. doi:10.1002/ece3.5431

Ferreira SCM, Torelli F, Klein S, Fyumagwa R, Karesh WB, Hofer H, Seeber F, East ML (2019): Evidence of high exposure to Toxoplasma gondii in free-ranging and captive African carnivores. INT J PARASITOL-PARASIT WILDL 8, 111–117. doi:10.1016/j.ijppaw.2018.12.007

Seeber PA, Franz M, Greenwood AD, East ML (2019): Life history stage and extrinsic factors affect behavioural time allocation in plains zebras (Equus quagga) in the Serengeti ecosystem. BEHAV ECOL SOCIOBIOL 73, 126. doi:10.1007/s00265-019-2738-0

Seeber PA, McEwen GK, Löber U, Förster DW, East ML, Melzheimer J, Greenwood AD (2019): Terrestrial mammal surveillance using hybridization capture of environmental DNA from African waterholes. MOL ECOL RESOUR 19, 1486–1496. doi:10.1111/1755-0998.13069

Benhaiem S, Marescot L, East ML, Kramer-Schadt S, Gimenez O, Lebreton JD, Hofer H (2018): Slow recovery from a disease epidemic in the spotted hyena, a keystone social carnivore. COMMUN BIOL 1, 201. doi:10.1038/s42003-018-0197-1

Benhaiem S, Marescot L, Hofer H, East ML, Lebreton J-D, Kramer-Schadt S, Gimenez O (2018): Robustness of eco-epidemiological capture-recapture parameter estimates to variation in infection state uncertainty. FRONT VET SCI 5, 197. doi:10.3389/fvets.2018.00197

Costantini D, Seeber PA, Soilemetzidou S-E, Azab W, Bohner J, Buuveibaatar B, Czirják G, East ML, Greunz EA, Kaczensky P, Lamglait B, Melzheimer J, Uiseb K, Ortega A, Osterrieder N, Sandgreen DM, Simon M, Walzer C, Greenwood AD (2018): Physiological costs of infection: Herpesvirus replication is linked to blood oxidative stress in equids. SCI REP 8, 10347. doi:10.1038/s41598-018-28688-0

Marescot L, Benhaiem S, Gimenez O, Hofer H, Lebreton JD, Olarte-Castillo XA, Kramer-Schadt S, East ML (2018): Social status mediates the fitness costs of infection with canine distemper virus in Serengeti spotted hyenas. FUNCT ECOL 32, 1237–1250. doi:10.1111/1365-2435.13059

Seeber PA, Franz M, Dehnhard M, Ganswindt A, Greenwood AD, East ML (2018): Plains zebra (Equus quagga) adrenocortical activity increases during times of large aggregations in the Serengeti ecosystem. HORM BEHAV 102, 1–9. doi:10.1016/j.yhbeh.2018.04.005

Heitlinger E, Ferreira SC, Thierer D, Hofer H, East ML (2017): The intestinal eukaryote and bacterial biome of spotted hyenas: the impact of social status and age on diversity and composition. FRONT CELL INFECT MICROBIOL 7, 262. doi:10.3389/fcimb.2017.00262

Nikolin VM, Olarte-Castillo XA, Osterrieder N, Hofer H, Dubovi E, Mazzoni CJ, Brunner E, Goller KV, Fyumagwa RD, Moehlman PD, Thierer D, East ML (2017): Canine distemper virus in the Serengeti ecosystem: molecular adaptation to different carnivore species. MOL ECOL 26, 2111–2130. doi:10.1111/mec.13902

Seeber PA*, Soilemetzidou SE*, East ML, Walzer C, Greenwood AD (2017): Equine behavioral enrichment toys as tools for non-invasive recovery of viral and host DNA. ZOO BIOL 36, 341–344. doi:10.1002/zoo.21380

Abdelgawad A, Damiani A, Ho SY, Strauss G, Szentiks CA, East ML, Osterrieder N, Greenwood AD (2016): Zebra alphaherpesviruses (EHV-1 and EHV-9): Genetic diversity, latency and co-Infections. VIRUSES 8, 262. doi:10.3390/v8090262

Hofer H, Benhaiem S, Golla W, East ML (2016): Trade-offs in lactation and milk intake by competing siblings in a fluctuating environment. BEHAV ECOL 27, 1567–1578. doi:10.1093/beheco/arw078

Olarte-Castillo XA, Hofer H, Goller KV, Martella V, Moehlman PD, East ML (2016): Divergent sapovirus strains and infection prevalence in wild carnivores in the Serengeti Ecosystem: A long-term study. PLOS ONE 11, e0163548. doi:10.1371/journal.pone.0163548

Pribbenow S, East ML, Ganswindt A, Tordiffe ASW, Hofer H, Dehnhard M (2016): Correction: Measuring Faecal Epi-Androsterone as an Indicator of Gonadal Activity in Spotted Hyenas (Crocuta crocuta). PLOS ONE 11, e0163851. doi:10.1371/journal.pone.0163851

Stommel C, Hofer H, East ML (2016): The effect of reduced water availability in the Great Ruaha River on the vulnerable common hippopotamus in the Ruaha National Park, Tanzania. PLOS ONE 11, e0157145. doi:10.1371/journal.pone.0157145

Stommel C, Hofer H, Grobbel M, East ML (2016): Large mammals in Ruaha National Park, Tanzania, dig for water when water stops flowing and water bacterial load increases. MAMM BIOL 81, 21–30. doi:10.1016/j.mambio.2015.08.005

Abdelgawad A, Hermes R, Damiani A, Lamglait B, Czirják GÁ, East M, Aschenborn O, Wenker C, Kasem S, Osterrieder N, Greenwood AD (2015): Comprehensive serology based on a peptide ELISA to assess the prevalence of closely related equine herpesviruses in zoo and wild animals. PLOS ONE 10, e0138370. doi:10.1371/journal.pone.0138370

East ML, Otto E, Helms J, Thierer D, Cable J, Hofer H (2015): Does lactation lead to resource allocation trade-offs in the spotted hyena? BEHAV ECOL SOCIOBIOL 69, 805–814. doi:10.1007/s00265-015-1897-x

Olarte-Castillo XA, Heeger F, Mazzoni CJ, Greenwood AD, Fyumagwa RD, Moehlman PD, Hofer H, East ML (2015): Molecular characterization of canine kobuvirus in wild carnivores and the domestic dog in Africa. VIROLOGY 477, 89–97. doi:10.1016/j.virol.2015.01.010

Pribbenow S, East ML, Ganswindt A, Tordiffe AS, Hofer H, Dehnhard M (2015): Measuring faecal epi-androsterone as an indicator of gonadal activity in spotted hyenas (Crocuta crocuta). PLOS ONE 10, e0128706. doi:10.1371/journal.pone.0128706

Szentiks CA, Tsangaras K, Abendroth B, Scheuch M, Stenglein MD, Wohlsein P, Heeger F, Höveler R, Chen W, Sun W, Damiani A, Nikolin V, Gruber AD, Grobbel M, Kalthoff D, Höper D, Czirják GÁ, DeRisi J, Mazzoni CJ, Schüle A, Aue A, East ML, Hofer H, Beer M, Osterrieder N, Greenwood AD (2014): Polar bear encephalitis: Establishment of a comprehensive next-generation pathogen analysis pipeline for captive and free-living wildlife. J COMP PATHOL 150, 474–488. doi:10.1016/j.jcpa.2013.12.005

Benhaiem S, Hofer H, Dehnhard M, Helms J, East ML (2013): Sibling competition and hunger increase allostatic load in spotted hyaenas. BIOL LETT 9, 20130040. doi:10.1098/rsbl.2013.0040

East ML, Kurze C, Wilhelm K, Benhaiem S, Hofer H (2013): Factors influencing Dipylidium sp. infection in a free-ranging social carnivore, the spotted hyaena (Crocuta crocuta). INT J PARASITOL-PARASIT WILDL 2, 257–265. doi:10.1016/j.ijppaw.2013.09.003

Goller KV, Fickel J, Hofer H, Beier S, East ML (2013): Coronavirus genotype diversity and prevalence of infection in wild carnivores in the Serengeti National Park, Tanzania. ARCH VIROL 158, 729–734. doi:10.1007/s00705-012-1562-x