Ryder, O.A.

Wang, Gaojianyong; Korody, M.L.; Braend, B.; Hernandez-Toro, C.J.; Rohrandt, C.; Hong, K.; Chun Pan, A.W.; Leef, J.; Migliorelli, G.; Stanke, M.; Ford, S.M.; Pollmann, I.; Houck, M.L.; Lewin, H.A.; Lear, T.L.; Ryder, O.A.; Meissner, A.; Loring, J.F.; Mueller, F.J. 2025. Genomic map of the functionally extinct northern white rhinoceros (Ceratotherium simum cottoni). PNAS 122 (20) e2401207122: 1-9. doi.org/10.1073/pnas.2401207122

Wilder, A.P.; Steiner, C.C.; Korody, M.L.; Ryder, O.A. 2024. Genetic load and viability of a future restored northern white rhino population. Evolutionary Applications 2024;17:e13683: 1-15 - doi.org/. doi.org/10.1111/eva.13683

Korody, M.L.; Ford, S.M.; Nguyen, T.D.; Pivaroff, C.; Valiente-Alandi, I.; Peterson, S.E.; Ryder, O.A.; Loring, J.F. 2021. Rewinding extinction in the northern white rhinoceros: genetically diverse induced pluripotent stem cell bank for genetic rescue. Stem Cells and Development 30 (4): 177-189.

Brandt, J.R.; Saidah, S.H.; Zhao, Keliang; Ishida, Y.; Apriyana, I.; Ryder, O.A.; Ramono, W.S.; Sudoyo, H.; Suryadi, H.; Coevorden de Groot, P.J. van; Roca, A.L. 2021. Characterization of 29 polymorphic microsatellite markers developed by genomic screening of Sumatran rhinoceros (Dicerorhinus sumatrensis). BMC Research Notes 14:119: 1-7. doi.org/10.1186/s13104-021-05522-x

Ryder, O.A.; San Diego Zoo Global; Korody, M.L. 2020. Stems cells to the rescue. Zoonooz (San Diego) 93 November: 14-17, 7 images.

Korody, M.L.; Pivaroff, C.; Nguyen, T.D.; Peterson, S.E.; Ryder, O.A.; Loring, J.F. 2020. Four new induced pluripotent stem cell lines produced from northern white rhinoceros with non-integrating reprogramming factors. Biorxiv https://doi.org/10.1101/202499: preprint.

Ryder, O.A.; Saragusty, J.; Durrant, B. 2020. Exploring the limits of saving a subspecies: The ethics and social dynamics of restoring northern white rhinos (Ceratotherium simum cottoni). Conservation Science and Practice 2020;e241: 1-8 - https://doi.org/10.1111/csp2.241.

Lord, E.; Dussex, N.,; Kierczak, M.; Díez-del-Molino, D.; Ryder, O.A.; Stanton, D.W.G.; Gilbert, M.Th.P.; Sánchez-Barreiro, F.; Zhang, Guojie; Sinding, M.-H.S.; and others 2020. Pre-extinction demographic stability and genomic signatures of adaptation in the woolly rhinoceros. Current Biology 30: 3871–3879, 3 figs. doi.org/10.1016/j.cub.2020.07.046

Moodley, Y.; Westbury, M.V.; Russo, I-R.M.; Gopalakrishnan, S.; Rakotoarivelo, A.; Olsen, R.A.; Prost, S.; Tunstall, T.; Ryder, O.A.; Dalen, L.; Bruford, M.W. 2020. Interspecific gene flow and the evolution of specialisation in black and white rhinoceros. Molecular Biology and Evolution 37 (11): 3105-3117. doi.org/10.1093/molbev/msaa148

Steiner, C.C.; Houck, M.L.; Ryder, O.A. 2018. Genetic variation of complete mitochondrial genome sequences of the Sumatran rhinoceros (Dicerorhinus sumatrensis). Conservation Genetics 19: 397-408.

Tunstall, T.; Kock, R.; Vahala, J.; Diekhans, M.; Fiddes, I.; Armstrong, J.; Paten, B.; Ryder, O.A.; Steiner, C.C. 2018. Evaluating recovery potential of the northern white rhinoceros from cryopreserved somatic cells. Genome Research 28: 1-9.

Brandt, J.R.; Coevorden de Groot, P.J. van; Witt, K.E.; Engelbrektsson, P.K.; Helgen, K.M.; Malhi, R.S.; Ryder, O.A.; Roca, A.L. 2018. Genetic structure and diversity among historic and modern populations of the Sumatran Rhinoceros (Dicerorhinus sumatrensis). Journal of Heredity 109: 553-565.

Moodley, Y.; Russo, I-R.M.; Robovsky, J.; Dalton, D.L.; Kotze, A.; Smith, S.; Stejskal, J.; Ryder, O.A.; Hermes, R.; Walzer, C.; Bruford, M.W. 2018. Contrasting evolutionary history, anthropogenic declines and genetic contact in the northern and southern white rhinoceros (Ceratotherium simum). Proceedings B of the Royal Society of London 285: 1-9.

Ryder, O.A.; Durrant, B.; Houck, M.L. 2016. The past, present and future of the frozen zoo. Joint AAZV/EAZWV/IZW Conference Proceedings 2016: 237-238.

San Diego Zoo Global; Myers, D.G.; Johnson, S.C.; Ryder, O.A.; Tunstall, T.; Loring, J. 2016. Nikita Kahn Rhino Rescue Center officially opens at San Diego Zoo Safari Park. Connect (AZA) November: 47, 1 image.

Fiuza, R.; Hermes, R.; Goeritz, F.; Zainuddin, Z.Z.; Galli, C.; Lazzari, G.; Galat, V.; Lenk, M.; Jewgenow, K.; Ryder, O.A.; Kretzschmar, P. 2015. The Sabah rhino (Dicerorhinus sumatrensis harrissoni) breeding programme: current situation and first conclusions. Poster presentation Berlin.

Ryder, O.A.; Hermes, R.; Goeritz, F.; Durrant, B.; Stejskal, J.; Hrudy, J.; Vahala, J.; Loring, J.F.; Hildebrandt, T.B. 2015. The plight of the northern white rhinoceros: is there still hope to prevent extinction?. Proceedings of the International Conference on Diseases of Zoo and Wild Animals 2015: 1.

Ryder, O.A.; Hermes, R.; Goeritz, F.; Durrant, B.; Stejskal, J.; Hrudy, J.; Vahala, J.; Loring, J.F.; Hildebrandt, T.B. 2015. Press release: Reproduction and stem cell researchers set up a rescue plan for Northern White Rhino. Press release of the Leibniz Institute in Berlin December 2015: 1.

Fiuza, R.; Hermes, R.; Goeritz, F.; Zainuddin, Zainal Zahari; Galli, C.; Lazzari, G.; Galat, V.; Lenk, M.; Jewgenow, K.; Ryder, O.A.; Kretzschmar, P. 2015. The Sabah rhino breeding programme: current situation and first conclusions (abstract). In: Proceedings of the International Conference on diseases of zoo and wild animals (May 13-16) Barcelona: 116.

Ryder, O.A.; Hermes, R.; Goeritz, F.; Durrant, B.; Stejskal, J.; Hrudy, J.; Vahala, J.; Loring, J.F.; Hildebrandt, T.B. 2015. The plight of northern White rhinoceros (Ceratotherium simum cottoni): Is there still hope to prevent extinction? (abstract). In: Proceedings of the International Conference on diseases of zoo and wild animals (May 13-16) Barcelona: 75.

Dennis, P.M.; Ellis, S.; Mellen, J.; Lee, P.; Olea-Popelka, F.; Petric, A.; Ryder, O.A. 2012. IOD in rhinos—Epidemiology Group report: report from the epidemiology working group of the international workshop on iron overload disorder in browsing rhinoceros (February 2011). Journal of Zoo and Wildlife Medicine 43 (3s): S114-S116.

Ben-Nun, I.F.; Montague, S.C.; Houck, M.L.; Tran, H.T.; Garitaonandia, I.; Leonardo, T.R.; Wang, Y.; Charter, S.J.; Laurent, L.C.; Ryder, O.A.; Loring, J.F. 2011. Induced pluripotent stem cells from highly endangered species. Nature Methods 4 September 2011: 1-5.

Steiner, C.C.; Ryder, O.A. 2011. Molecular phylogeny and evolution of the Perissodactyla. Zoological Journal of the Linnean Society 163: 1289–1303.

Ryder, O.A. 2009. Rhinoceroses, tapirs, and horses (Perissodactyla). In Hedges, S.B. & Kumar, S., The timetree of life (Oxford University Press): pp. 508-510.

Houck, M.L.; Ryder, O.A.; Kumamoto, A.T.; Benirschke, K. 1995. Cytogenetics of the rhinocerotidae. Verhandlungsbericht des Internationalen Symposiums uber die Erkrankungen der Zootiere 37: 25-32, figs. 1-5, tables 1-3.