Publications
Woodruff, E. D., Kircher, B. K., Armfield, B. A., Levy, J. K., Bloch, J. I., & Cohn, M. J. (2022). Domestic cat embryos reveal unique transcriptomes of developing incisor, canine, and premolar teeth. Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, 1– 16. doi.org/10.1002/jez.b.23168. (PDF)
Griffing,A. H., Gamble, T., Cohn, M. J. and Sanger,T. J. (2022) Biological Journal of the Linnean Society, 135(3): 518–532. https://doi.org/10.1093/biolinnean/blab164. (PDF)
Malmus, J., Martins, L., Jhanwar, S., Kircher, B., Palacio, V., Sheth, R., Leal, F., Duchesne, A., Lopez-Rios, J., Peterson, K. A., Reinhardt, R., Onimaru, K., Cohn, M. J., Zuniga, A., and Zeller, R. (2021). Spatial regulation by multiple Gremlin1 enhancers provides digit development with cis-regulatory robustness and evolutionary plasticity. Nature Communications,12(1):5557. doi: 10.1038/s41467-021-25810-1. (PDF)
Armfield, B. A. and Cohn, M. J. (2021) Single cell transcriptomic analysis of external genitalia reveals complex and sexually dimorphic cell populations in the early genital tubercle. Developmental Biology, S0012-1606(21)00127-5. doi: 10.1016/j.ydbio.2021.05.014. (PDF)
Woodruff, E. D., Gutierrez, G. C., Van Otterloo, E., Williams, T., and Cohn, M. J. (2021) Anomalous incisor morphology indicates tissue-specific roles for Tfap2a and Tfap2b in tooth development. Developmental Biology, 472: 67-74. doi: 10.1016/j.ydbio.2020.12.017. (pdf)
Stadler H.S., Peters, C.A., Sturm, R.M., Baker, L.A., Best, C.J.M., Bird, V.Y., Geller, F., Hoshizaki, D. K., Knudsen, T. B., Norton, J. M., Romao, R.L.P., and Cohn, M.J. (2020) Meeting Report on the NIDDK/AUA Workshop on Congenital Anomalies of External Genitalia: Challenges and Opportunities for Translational Research. Journal of Pediatric Urology 16:791-804. doi.org/10.1016/j.jpurol.2020.09.012 (pdf)
Gredler, M. L., Patterson, S. E., Seifert, A. W., and Cohn, M. J. (2020) Foxa1 and Foxa2 orchestrate development of the urethral tube and division of the embryonic cloaca through an autoregulatory loop with Shh. Developmental Biology 65: 23-30. doi: 10.1016/j.ydbio.2020.06.009. (PDF)
Kothandapani A., Lewis S.R., Noel J. L., Zacharski A., Krellwitz K., Baines A., Winske S., Vezina C. M., Kaftanovskaya E. M., Agoulnik A., Merton E. M., Cohn M. J., and Jorgensen J. S. (2020). GLI3 Resides at the Intersection of Hedgehog and Androgen Action to Promote Male Sex Differentiation. PLoS Genetics 16(6): e1008810. doi:10.1371/journal.pgen.1008810. (PDF, full text, and supplements available here)
Tarazona, O. A., Lopez, D. H., Slota, L. A, and Cohn, M. J. (2019). Evolution of limb development in cephalopod mollusks. eLife 8:e43828. doi:10.7554/eLife.43828. (PDF, full text, supplements, & movies available here)
Gonçalves, O., Freitas, R., Ferreira, P., Araújo, M., Zhang, G., Mazan, S., Cohn, M. J., Castro, L. F. C., and Wilson, J. M. (2019). Molecular ontogeny of the stomach in the catshark Scyliorhinus canicula. Scientific Reports 9, 586, doi:10.1038/s41598-018-36413-0. (pdf)
Filowitz, G. L.*, Rajakamur, R.*, O’Shaughnessy, K. L.*, and Cohn, M. J. (2018). Cartilaginous fishes provide insights into the origin, diversification, and sexually dimorphic expression of vertebrate estrogen receptor genes. Molecular Biology and Evolution. Sep 10. doi: 10.1093/molbev/msy165. (*equal contribution) (pdf)
Leal, F. and Cohn, M. J. (2018). Developmental, genetic, and genomic insights into the evolutionary loss of limbs in snakes. Genesis 56 (1): e23077 (doi.org/10.1002/dvg.23077). (pdf)
Poinar, G., Philbrick, K. A., Cohn, M. J., Turner, R. T., Iwaniec, U. T., Wunderlich, J. (2017). X-ray microcomputed tomography reveals putative trematode metacercaria in a 100 million year-old lizard (Squamata: Agamidae). Cretaceous Research 80. 27-30. (pdf)
Larkins, C. E., Enriquez, A B, and Cohn, M. J. (2016). Spatiotemporal dynamics of androgen signaling underlie sexual differentiation and congenital malformations of the urethra and vagina. Proceedings of the National Academy of Sciences USA. doi: 10.1073/pnas.1610471113. (pdf)
Leal, F. and Cohn, M. J. (2016). Loss and re-emergence of legs in snakes by modular evolution of Sonic hedgehog and Hoxd enhancers. Current Biology 26 (21): 2966–2973. doi: 10.1016/j.cub.2016.09.020. (pdf)
Aires, R., Jurberg, A.D., Leal F., Nóvoa, A., Cohn, M.J., Mallo, M. (2016) Oct4 Is a Key Regulator of Vertebrate Trunk Length Diversity. Developmental Cell 38(3):262-274. doi: 10.1016/j.devcel.2016.06.021. (pdf)
Armfield, B.A., Seifert A.W., Zheng, Z., Merton, E.M., Rock, J.R., Lopez, M.C., Baker, H.V., and Cohn, M.J. (2016) Molecular Characterization of the Genital Organizer: Gene Expression Profile of the Mouse Urethral Plate Epithelium. Journal of Urology 196(4):1295-1302. doi: 10.1016/j.juro.2016.04.091. (pdf)
Tarazona, O. A., Slota, L. A., Lopez, D. H., Zhang, G., and Cohn, M. J. (2016) The genetic program for cartilage development has deep homology within Bilateria. Nature, 533 (7601): 86-89. doi:10.1038/nature17398. (pdf)
Zheng, Z., Armfield, B. A., and Cohn, M. J. (2015). Timing of androgen receptor disruption and estrogen exposure underlies a spectrum of congenital penile anomalies. Proceedings of the National Academy of Sciences USA, 112 (52):E7194-203. DOI:10.1073/pnas.1515981112. (pdf)
Sanger, T. J., Gredler, M. L., and Cohn, M. J. (2015). Resurrecting embryos of the tuatara, Sphenodon punctatus, to resolve vertebrate phallus evolution. Biology Letters, 11: 20150694. (pdf)
Gredler, M. L., Seifert, A. W., and Cohn, M. J. (2015). Tissue-specific roles of Fgfr2 in development of the external genitalia. Development, 142, 2203-2212. DOI: 10.1242/dev.119891. (pdf)
Georgas, K. M., Armstrong, J., Keast, J. R., Larkins, C. L., McHugh, K. M., Southard-Smith, E. M., Cohn, M. J., Batourina, E., Dan, H., Schneider, K., Buehler, D. P., Wiese, C. P., Brennan, J., Davies, J. A., Harding, S. D., Baldock, R. A., Little, M. H., Vezina, C. M., Mendelsohn, C. (2015). An illustrated anatomical ontology of the developing mouse lower urogenital tract. Development, 142(10): 1893-908. DOI: 10.1242/dev.117903. (pdf)
Sharma, P. P., Tarazona, O. A., Lopez, D. H., Schwager, E. E., Cohn, M. J., Wheeler, W. C., and Extavour, C. G. (2015). A conserved genetic mechanism specifies deutocerebral appendage identity in insects and arachnids. Proc. R. Soc. B 282:20150698; DOI: 10.1098/rspb.2015.0698. (pdf)
O’Shaughnessy, K. L., Dahn, R. D., and Cohn, M. J. (2015). Molecular development of chondrichthyan claspers and the evolution of copulatory organs. Nature Communications 6:6698. DOI: 10.1038/ncomms7698. (pdf)
Herrera, A. M. and Cohn, M. J. (2014). Embryonic origin and compartmental organization of the external genitalia. Scientific Reports 4:6896. DOI: 10.1038/srep06896. (pdf)
Gredler, M. L., Larkins, C. E., Leal, F., Lewis, A. K., Herrera, A. M., Perriton, C. L., Sanger, T. J., and Cohn, M. J. (2014). Evolution of External Genitalia: Insights from Reptilian Development. Sexual Development, DOI: 10.1159/000365771. (pdf)
Leal, F., and Cohn, M. J. (2014). Development of the hemipenes in the ball python snake Python regius. Sexual Development, DOI: 10.1159/0000363758. (pdf)
Larkins, C. E., and Cohn, M. J. (2014). Phallus development in the turtle Trachemys scripta. Sexual Development, DOI: 10.1159/000363631. (pdf)
Herrera, A. M., Brennan, P. L. R., and Cohn, M. J. (2014). Development of avian external genitalia: interspecific differences and sexual differentiation of the male and female phallus. Sexual Development, DOI: 10.1159/000364927. (pdf)
Gredler, M. L., Sanger, T. J., and Cohn, M. J. (2014). Development of the cloaca, hemipenes, and hemiclitores in the green anole, Anolis carolinesis. Sexual Development, DOI: 10.1159/000363757. (pdf)
Gredler, M. L., Seifert, A. W., and Cohn, M. J. (2014). Morphogenesis and patterning of the phallus and cloaca in the American alligator, Alligator mississippiensis. Sexual Development, DOI: 10.1159/000364817. (pdf)
Herrera, A., Shuster, S., Perriton, C., and Cohn, M. J. (2013). Developmental basis of phallus reduction during bird evolution. Current Biology, 23: 1-10. (pdf)
Zheng, Z., and Cohn, M. J. (2011). Developmental basis of sexually dimorphic digit ratios. Proceedings of the National Academy of Sciences USA. 1-6. (pdf)
Cohn, M. J. (2011) Development of the External Genitalia: Conserved and Divergent Mechanisms of Appendage Patterning, Developmental Dynamics, 240: 1108-1115. (pdf)
Seifert, A. W., Zheng, Z., Ormerod, B. K. and Cohn, M. J. (2010). Sonic hedgehog controls growth of external genitalia by regulating cell cycle kinetics. Nature Communications 1:23, DOI:10.1038/ncomms1020. (pdf)
Seifert, A. W., Bouldin, C., Choi, K. S., Harfe, B. D., and Cohn, M. J. (2009). Multiphasic and tissue-specific roles of Sonic hedgehog in cloacal septation and external genitalia development. Development 136: 3949-57. (pdf)
Seifert, A. W., Yamaguchi, T., and Cohn, M. J. (2009). Functional and phylogenetic analysis shows that Fgf8 is not required for external genital development. Development 136: 2643-51. (pdf)
Zhang, G., Eames, F. B., and Cohn, M. J. (2009). Molecular evolution of vertebrate cartilage development. Current Topics in Developmental Biology 86:15-42. (pdf)
Choi, K., Cohn, M. J., and Harfe, B. D. (2008). Identification of nucleus pulposus precursor cells and notochordal remnants in the mouse: Implications for disk degeneration and chordoma formation. Developmental Dynamics 237:3953-3958. (pdf)
Zhang, G. and Cohn, M. J. (2008). Genome duplication and the origin of the vertebrate skeleton. Current Opinion in Genetics and Development 18:3-9. (pdf)
Seifert, A. W., Harfe, B. D., and Cohn, M. J. (2008). Cell lineage analysis demonstrates an endodermal origin of the distal urethra and perineum. Developmental Biology 318:143-152. (pdf)
Reno, P. L., McCollum, M. A., Cohn, M. J., Meindl, R. S., Hamrick, M., Lovejoy, C. O. (2008). Patterns of correlation and covariation of anthorpoid distal forelimb segments correspond to Hoxd expression territories. Journal of Exp Zool B: Mol Dev Evol. 310:240-258. (pdf)
Freitas, R., Zhang, G., and Cohn, M. J. (2007). Biphasic Hoxd Gene Expression in Shark Paired Fins Reveals an Ancient Origin of the Distal Limb Domain. PLoS One 2(8): e754. (pdf)
Zhang, G., and Cohn, M. J. (2006). Hagfish and lancelet fibrillar collagens reveal that type II collagen-based cartilage evolved in stem vertebrates. Proceedings of the National Academy of Sciences USA. 103:16829-33. (pdf)
Freitas, R., Zhang, G., and Cohn, M. J. (2006). Evidence that mechanisms of fin development evolved in the midline of early vertebrates. Nature 442:1033-7. (pdf)
Zhang, G., Miyamoto, M. M, and Cohn, M. J. (2006). Lamprey type II collagen and Sox9 reveal an ancient origin of the vertebrate collagenous skeleton. Proceedings of the National Academy of Sciences USA. 103:3180-3185. (pdf)
Thewissen J. G., Cohn M. J., Stevens L. S., Bajpai S., Heyning J., Horton W. E. Jr. (2006). Developmental basis for hindlimb loss in dolphins and origin of the cetacean bodyplan. Proceedings of the National Academy of Sciences USA. 103:8414-8. (pdf)
Freitas, R., Zhang, G., Albert, J. S., Evans, D. H., and Cohn, M. J. (2006). Developmental origin of shark electrosensory organs. Evolution and Development. 8: 74-80. (pdf)
Freitas, R., and Cohn, M. J. (2006). Genomic regulation of Hox collinearity. Developmental Cell. 10:8. (pdf)
Petiot, A., Perriton, C. L., Dickson, C., and Cohn, M. J. (2005). Development of the mammalian urethra is controlled by Fgfr2-IIIb. Development. 132:2441-2450. (pdf)
Freitas, R., and Cohn, M. J. (2004). Analysis of EphA4 in the lesser spotted catshark identifies a primitive gnathostome expression pattern and reveals co-option during evolution of shark-specific morphology. Dev. Genes Evol. 214:446-472. (pdf)
Cohn, M. J. (2004). Developmental genetics of the external genitalia. Adv. Exp. Med. Biol. 545:149-157. (pdf)
Cohn, M. J. (2002). Lamprey Hox genes and the origin of jaws. Nature, 416:386-7. (pdf)
Perriton, Cl. L., Powles, N., Chiang, C., Maconochie, M., and Cohn, M. J. (2002). Sonic hedgehog signaling from the urethral plate controls external genital development. Developmental Biology. 247:26-46. (pdf)
Cohn, M. J. (2002). Hox genes. In: Encyclopedia of Evolution, M. Pagel (ed.). Oxford University Press. New York. (pdf)
Tokiharu, T., Holland, P. W. H., Cohn, M. J., Shimizu, K., Kurokawa, M., and Hirai, H. (2002). An orphan PRD class homeobox gene expressed in mouse brain and limb development. Development, Genes and Evolution. 212:293-297. (pdf)
Cohn, M. J., Lovejoy, C. Ol., Wolpert, L., and Coates, M. I. (2002). Branching, segmentation and the metapterygial exis: pattern versus process in the vertebrate limb. BioEssays. 24:460-465. (pdf)
Cohn, M. J. (2001). A review of: From DNA to Diversity: Molecular Genetics and the Evolution of Animal Design, by Carroll, Weatherbee, and Grenier. Evolution and Development. 3:364-365. (pdf)
Polly, P. D., J. J. Head, and M. J. Cohn (2001). Testing modularity and dissociation: the evolution of regional proportions in snakes (Serpentes, Vertebrata). In: Beyond Heterochromy: The Evolution of Development. M. Zelditch (ed.). New York: John Wiley & Sons, P. 305-335. (pdf)
Cohn, M. J. (2001) Evolution of vertebrate limb development. In: The Molecular Basis of Skeletogenesis. B. K. Hall (ed.). London: John Wiley & Sons, p. 47-57. (pdf)
Cohn, M. J. (2000). Giving limbs a hand (News and Views). Nature. 6799:953-954. (pdf)
Tanaka, M., Cohn, M. J., Ashby, P., Davey, M., Martin, P., and Tickle, C. (2000). Distribution of polarizing activity and potential for limb formation in mouse and chick embryos: possible relationships to polydactyly. Development. 18:4011-4021. (pdf)
Isaac, A. I., Cohn, M. J., Ataliotis, P., Spicer, D. P., Ashby, P., Cooke, J., and Tickle, C. (2000). Fgf and genes encoding transciption factors in early limb specification. Mechanisms of Development. 93:41-48. (pdf)
Cohn, M., J., and Bright, P. E. (2000). Development of vertebrate limbs: insights into pattern, evolution, and dysmorphogenesis. In: Development, Growth, and Evolution: implications for the study of the hominid skeleton. P. O'Higgins and M. J. Cohn (eds.). London: Academic Press, p. 1-28. (pdf)
Lovejoy, C. O., Cohn, M. J., and White, T. D. (2000). The evolution of mammalian morphology: a developmental perspecitve. In: Development, Growth, and Evolution: Implications for the study of the hominid skeleton. P. O'Higgins and M. J. Cohn (eds.). London: Academic Press, p. 41-55. (pdf)
Cohn, M. J., and Tickle, C. (1999). Developmental basis of limblessness and axial regionalization in snakes. Nature. 399:474-479. (pdf)
Lovejoy, C. O., Cohn, M. J., and White, T. D. (1999). Morphological analysis of the mammalian postcranium: a developmental perspective. Proceedings of the National Academy of Sciences USA. 96:13247-13252. (pdf)
Coates, M. I., and Cohn, M. J. (1999). Vertebrate axial and appendicular patterning: the early development of paired appendages. American Zoologist. 39:676-685.
Cohn, M. J., and Bright, P. E. (1999). Molecular control of vertebrate limb development, evolution, and congenital malformations. Cell and Tissue Research. 296:3-17. (pdf)
Coates, M. I., and Cohn, M. J. (1998). Fins, limbs, and tails: outgrowth and patterning in vertebrate evolution. Bioessays. 20:371-381. (pdf)
Cohn, M. J., Patel, K., Krumlauf, R., Wilkinson, D. G., Clarke, J. D., and Tickle, C. (1997). Hox9 genes and vertebrate limb specification. Nature. 387:97-101. (pdf)
Cohn, M. J., and Tickle, C. (1996). Limbs: a model for pattern formation within the vertebrate body plan. Trends in Genetics. 12:253-257. (pdf)
Abud, H. E., Skinner, J. A., Cohn, M. J., and Heath, J. K. (1996). Multiple functions of fibroblast growth factors in vertebrate development. Biochem. Soc. Symposia. 62: 39-50.
Cohn, M. J., Izpisua-Belmonte, J. C., Abud, H., Heath, J. K., and Tickle, C. (1995). Fibroblast growth factors induce additional limb development from the flank of chick embryos. Cell. 80:739-746. (pdf)
Books
P. O'Higgins and M. J. Cohn, eds. (2000). Development, Growth, and Evolution: implications for the study of the hominid skeleton. Academic Press, London. View.
Griffing,A. H., Gamble, T., Cohn, M. J. and Sanger,T. J. (2022) Biological Journal of the Linnean Society, 135(3): 518–532. https://doi.org/10.1093/biolinnean/blab164. (PDF)
Malmus, J., Martins, L., Jhanwar, S., Kircher, B., Palacio, V., Sheth, R., Leal, F., Duchesne, A., Lopez-Rios, J., Peterson, K. A., Reinhardt, R., Onimaru, K., Cohn, M. J., Zuniga, A., and Zeller, R. (2021). Spatial regulation by multiple Gremlin1 enhancers provides digit development with cis-regulatory robustness and evolutionary plasticity. Nature Communications,12(1):5557. doi: 10.1038/s41467-021-25810-1. (PDF)
Armfield, B. A. and Cohn, M. J. (2021) Single cell transcriptomic analysis of external genitalia reveals complex and sexually dimorphic cell populations in the early genital tubercle. Developmental Biology, S0012-1606(21)00127-5. doi: 10.1016/j.ydbio.2021.05.014. (PDF)
Woodruff, E. D., Gutierrez, G. C., Van Otterloo, E., Williams, T., and Cohn, M. J. (2021) Anomalous incisor morphology indicates tissue-specific roles for Tfap2a and Tfap2b in tooth development. Developmental Biology, 472: 67-74. doi: 10.1016/j.ydbio.2020.12.017. (pdf)
Stadler H.S., Peters, C.A., Sturm, R.M., Baker, L.A., Best, C.J.M., Bird, V.Y., Geller, F., Hoshizaki, D. K., Knudsen, T. B., Norton, J. M., Romao, R.L.P., and Cohn, M.J. (2020) Meeting Report on the NIDDK/AUA Workshop on Congenital Anomalies of External Genitalia: Challenges and Opportunities for Translational Research. Journal of Pediatric Urology 16:791-804. doi.org/10.1016/j.jpurol.2020.09.012 (pdf)
Gredler, M. L., Patterson, S. E., Seifert, A. W., and Cohn, M. J. (2020) Foxa1 and Foxa2 orchestrate development of the urethral tube and division of the embryonic cloaca through an autoregulatory loop with Shh. Developmental Biology 65: 23-30. doi: 10.1016/j.ydbio.2020.06.009. (PDF)
Kothandapani A., Lewis S.R., Noel J. L., Zacharski A., Krellwitz K., Baines A., Winske S., Vezina C. M., Kaftanovskaya E. M., Agoulnik A., Merton E. M., Cohn M. J., and Jorgensen J. S. (2020). GLI3 Resides at the Intersection of Hedgehog and Androgen Action to Promote Male Sex Differentiation. PLoS Genetics 16(6): e1008810. doi:10.1371/journal.pgen.1008810. (PDF, full text, and supplements available here)
Tarazona, O. A., Lopez, D. H., Slota, L. A, and Cohn, M. J. (2019). Evolution of limb development in cephalopod mollusks. eLife 8:e43828. doi:10.7554/eLife.43828. (PDF, full text, supplements, & movies available here)
Gonçalves, O., Freitas, R., Ferreira, P., Araújo, M., Zhang, G., Mazan, S., Cohn, M. J., Castro, L. F. C., and Wilson, J. M. (2019). Molecular ontogeny of the stomach in the catshark Scyliorhinus canicula. Scientific Reports 9, 586, doi:10.1038/s41598-018-36413-0. (pdf)
Filowitz, G. L.*, Rajakamur, R.*, O’Shaughnessy, K. L.*, and Cohn, M. J. (2018). Cartilaginous fishes provide insights into the origin, diversification, and sexually dimorphic expression of vertebrate estrogen receptor genes. Molecular Biology and Evolution. Sep 10. doi: 10.1093/molbev/msy165. (*equal contribution) (pdf)
Leal, F. and Cohn, M. J. (2018). Developmental, genetic, and genomic insights into the evolutionary loss of limbs in snakes. Genesis 56 (1): e23077 (doi.org/10.1002/dvg.23077). (pdf)
Poinar, G., Philbrick, K. A., Cohn, M. J., Turner, R. T., Iwaniec, U. T., Wunderlich, J. (2017). X-ray microcomputed tomography reveals putative trematode metacercaria in a 100 million year-old lizard (Squamata: Agamidae). Cretaceous Research 80. 27-30. (pdf)
Larkins, C. E., Enriquez, A B, and Cohn, M. J. (2016). Spatiotemporal dynamics of androgen signaling underlie sexual differentiation and congenital malformations of the urethra and vagina. Proceedings of the National Academy of Sciences USA. doi: 10.1073/pnas.1610471113. (pdf)
Leal, F. and Cohn, M. J. (2016). Loss and re-emergence of legs in snakes by modular evolution of Sonic hedgehog and Hoxd enhancers. Current Biology 26 (21): 2966–2973. doi: 10.1016/j.cub.2016.09.020. (pdf)
Aires, R., Jurberg, A.D., Leal F., Nóvoa, A., Cohn, M.J., Mallo, M. (2016) Oct4 Is a Key Regulator of Vertebrate Trunk Length Diversity. Developmental Cell 38(3):262-274. doi: 10.1016/j.devcel.2016.06.021. (pdf)
Armfield, B.A., Seifert A.W., Zheng, Z., Merton, E.M., Rock, J.R., Lopez, M.C., Baker, H.V., and Cohn, M.J. (2016) Molecular Characterization of the Genital Organizer: Gene Expression Profile of the Mouse Urethral Plate Epithelium. Journal of Urology 196(4):1295-1302. doi: 10.1016/j.juro.2016.04.091. (pdf)
Tarazona, O. A., Slota, L. A., Lopez, D. H., Zhang, G., and Cohn, M. J. (2016) The genetic program for cartilage development has deep homology within Bilateria. Nature, 533 (7601): 86-89. doi:10.1038/nature17398. (pdf)
Zheng, Z., Armfield, B. A., and Cohn, M. J. (2015). Timing of androgen receptor disruption and estrogen exposure underlies a spectrum of congenital penile anomalies. Proceedings of the National Academy of Sciences USA, 112 (52):E7194-203. DOI:10.1073/pnas.1515981112. (pdf)
Sanger, T. J., Gredler, M. L., and Cohn, M. J. (2015). Resurrecting embryos of the tuatara, Sphenodon punctatus, to resolve vertebrate phallus evolution. Biology Letters, 11: 20150694. (pdf)
Gredler, M. L., Seifert, A. W., and Cohn, M. J. (2015). Tissue-specific roles of Fgfr2 in development of the external genitalia. Development, 142, 2203-2212. DOI: 10.1242/dev.119891. (pdf)
Georgas, K. M., Armstrong, J., Keast, J. R., Larkins, C. L., McHugh, K. M., Southard-Smith, E. M., Cohn, M. J., Batourina, E., Dan, H., Schneider, K., Buehler, D. P., Wiese, C. P., Brennan, J., Davies, J. A., Harding, S. D., Baldock, R. A., Little, M. H., Vezina, C. M., Mendelsohn, C. (2015). An illustrated anatomical ontology of the developing mouse lower urogenital tract. Development, 142(10): 1893-908. DOI: 10.1242/dev.117903. (pdf)
Sharma, P. P., Tarazona, O. A., Lopez, D. H., Schwager, E. E., Cohn, M. J., Wheeler, W. C., and Extavour, C. G. (2015). A conserved genetic mechanism specifies deutocerebral appendage identity in insects and arachnids. Proc. R. Soc. B 282:20150698; DOI: 10.1098/rspb.2015.0698. (pdf)
O’Shaughnessy, K. L., Dahn, R. D., and Cohn, M. J. (2015). Molecular development of chondrichthyan claspers and the evolution of copulatory organs. Nature Communications 6:6698. DOI: 10.1038/ncomms7698. (pdf)
Herrera, A. M. and Cohn, M. J. (2014). Embryonic origin and compartmental organization of the external genitalia. Scientific Reports 4:6896. DOI: 10.1038/srep06896. (pdf)
Gredler, M. L., Larkins, C. E., Leal, F., Lewis, A. K., Herrera, A. M., Perriton, C. L., Sanger, T. J., and Cohn, M. J. (2014). Evolution of External Genitalia: Insights from Reptilian Development. Sexual Development, DOI: 10.1159/000365771. (pdf)
Leal, F., and Cohn, M. J. (2014). Development of the hemipenes in the ball python snake Python regius. Sexual Development, DOI: 10.1159/0000363758. (pdf)
Larkins, C. E., and Cohn, M. J. (2014). Phallus development in the turtle Trachemys scripta. Sexual Development, DOI: 10.1159/000363631. (pdf)
Herrera, A. M., Brennan, P. L. R., and Cohn, M. J. (2014). Development of avian external genitalia: interspecific differences and sexual differentiation of the male and female phallus. Sexual Development, DOI: 10.1159/000364927. (pdf)
Gredler, M. L., Sanger, T. J., and Cohn, M. J. (2014). Development of the cloaca, hemipenes, and hemiclitores in the green anole, Anolis carolinesis. Sexual Development, DOI: 10.1159/000363757. (pdf)
Gredler, M. L., Seifert, A. W., and Cohn, M. J. (2014). Morphogenesis and patterning of the phallus and cloaca in the American alligator, Alligator mississippiensis. Sexual Development, DOI: 10.1159/000364817. (pdf)
Herrera, A., Shuster, S., Perriton, C., and Cohn, M. J. (2013). Developmental basis of phallus reduction during bird evolution. Current Biology, 23: 1-10. (pdf)
Zheng, Z., and Cohn, M. J. (2011). Developmental basis of sexually dimorphic digit ratios. Proceedings of the National Academy of Sciences USA. 1-6. (pdf)
Cohn, M. J. (2011) Development of the External Genitalia: Conserved and Divergent Mechanisms of Appendage Patterning, Developmental Dynamics, 240: 1108-1115. (pdf)
Seifert, A. W., Zheng, Z., Ormerod, B. K. and Cohn, M. J. (2010). Sonic hedgehog controls growth of external genitalia by regulating cell cycle kinetics. Nature Communications 1:23, DOI:10.1038/ncomms1020. (pdf)
Seifert, A. W., Bouldin, C., Choi, K. S., Harfe, B. D., and Cohn, M. J. (2009). Multiphasic and tissue-specific roles of Sonic hedgehog in cloacal septation and external genitalia development. Development 136: 3949-57. (pdf)
Seifert, A. W., Yamaguchi, T., and Cohn, M. J. (2009). Functional and phylogenetic analysis shows that Fgf8 is not required for external genital development. Development 136: 2643-51. (pdf)
Zhang, G., Eames, F. B., and Cohn, M. J. (2009). Molecular evolution of vertebrate cartilage development. Current Topics in Developmental Biology 86:15-42. (pdf)
Choi, K., Cohn, M. J., and Harfe, B. D. (2008). Identification of nucleus pulposus precursor cells and notochordal remnants in the mouse: Implications for disk degeneration and chordoma formation. Developmental Dynamics 237:3953-3958. (pdf)
Zhang, G. and Cohn, M. J. (2008). Genome duplication and the origin of the vertebrate skeleton. Current Opinion in Genetics and Development 18:3-9. (pdf)
Seifert, A. W., Harfe, B. D., and Cohn, M. J. (2008). Cell lineage analysis demonstrates an endodermal origin of the distal urethra and perineum. Developmental Biology 318:143-152. (pdf)
Reno, P. L., McCollum, M. A., Cohn, M. J., Meindl, R. S., Hamrick, M., Lovejoy, C. O. (2008). Patterns of correlation and covariation of anthorpoid distal forelimb segments correspond to Hoxd expression territories. Journal of Exp Zool B: Mol Dev Evol. 310:240-258. (pdf)
Freitas, R., Zhang, G., and Cohn, M. J. (2007). Biphasic Hoxd Gene Expression in Shark Paired Fins Reveals an Ancient Origin of the Distal Limb Domain. PLoS One 2(8): e754. (pdf)
Zhang, G., and Cohn, M. J. (2006). Hagfish and lancelet fibrillar collagens reveal that type II collagen-based cartilage evolved in stem vertebrates. Proceedings of the National Academy of Sciences USA. 103:16829-33. (pdf)
Freitas, R., Zhang, G., and Cohn, M. J. (2006). Evidence that mechanisms of fin development evolved in the midline of early vertebrates. Nature 442:1033-7. (pdf)
Zhang, G., Miyamoto, M. M, and Cohn, M. J. (2006). Lamprey type II collagen and Sox9 reveal an ancient origin of the vertebrate collagenous skeleton. Proceedings of the National Academy of Sciences USA. 103:3180-3185. (pdf)
Thewissen J. G., Cohn M. J., Stevens L. S., Bajpai S., Heyning J., Horton W. E. Jr. (2006). Developmental basis for hindlimb loss in dolphins and origin of the cetacean bodyplan. Proceedings of the National Academy of Sciences USA. 103:8414-8. (pdf)
Freitas, R., Zhang, G., Albert, J. S., Evans, D. H., and Cohn, M. J. (2006). Developmental origin of shark electrosensory organs. Evolution and Development. 8: 74-80. (pdf)
Freitas, R., and Cohn, M. J. (2006). Genomic regulation of Hox collinearity. Developmental Cell. 10:8. (pdf)
Petiot, A., Perriton, C. L., Dickson, C., and Cohn, M. J. (2005). Development of the mammalian urethra is controlled by Fgfr2-IIIb. Development. 132:2441-2450. (pdf)
Freitas, R., and Cohn, M. J. (2004). Analysis of EphA4 in the lesser spotted catshark identifies a primitive gnathostome expression pattern and reveals co-option during evolution of shark-specific morphology. Dev. Genes Evol. 214:446-472. (pdf)
Cohn, M. J. (2004). Developmental genetics of the external genitalia. Adv. Exp. Med. Biol. 545:149-157. (pdf)
Cohn, M. J. (2002). Lamprey Hox genes and the origin of jaws. Nature, 416:386-7. (pdf)
Perriton, Cl. L., Powles, N., Chiang, C., Maconochie, M., and Cohn, M. J. (2002). Sonic hedgehog signaling from the urethral plate controls external genital development. Developmental Biology. 247:26-46. (pdf)
Cohn, M. J. (2002). Hox genes. In: Encyclopedia of Evolution, M. Pagel (ed.). Oxford University Press. New York. (pdf)
Tokiharu, T., Holland, P. W. H., Cohn, M. J., Shimizu, K., Kurokawa, M., and Hirai, H. (2002). An orphan PRD class homeobox gene expressed in mouse brain and limb development. Development, Genes and Evolution. 212:293-297. (pdf)
Cohn, M. J., Lovejoy, C. Ol., Wolpert, L., and Coates, M. I. (2002). Branching, segmentation and the metapterygial exis: pattern versus process in the vertebrate limb. BioEssays. 24:460-465. (pdf)
Cohn, M. J. (2001). A review of: From DNA to Diversity: Molecular Genetics and the Evolution of Animal Design, by Carroll, Weatherbee, and Grenier. Evolution and Development. 3:364-365. (pdf)
Polly, P. D., J. J. Head, and M. J. Cohn (2001). Testing modularity and dissociation: the evolution of regional proportions in snakes (Serpentes, Vertebrata). In: Beyond Heterochromy: The Evolution of Development. M. Zelditch (ed.). New York: John Wiley & Sons, P. 305-335. (pdf)
Cohn, M. J. (2001) Evolution of vertebrate limb development. In: The Molecular Basis of Skeletogenesis. B. K. Hall (ed.). London: John Wiley & Sons, p. 47-57. (pdf)
Cohn, M. J. (2000). Giving limbs a hand (News and Views). Nature. 6799:953-954. (pdf)
Tanaka, M., Cohn, M. J., Ashby, P., Davey, M., Martin, P., and Tickle, C. (2000). Distribution of polarizing activity and potential for limb formation in mouse and chick embryos: possible relationships to polydactyly. Development. 18:4011-4021. (pdf)
Isaac, A. I., Cohn, M. J., Ataliotis, P., Spicer, D. P., Ashby, P., Cooke, J., and Tickle, C. (2000). Fgf and genes encoding transciption factors in early limb specification. Mechanisms of Development. 93:41-48. (pdf)
Cohn, M., J., and Bright, P. E. (2000). Development of vertebrate limbs: insights into pattern, evolution, and dysmorphogenesis. In: Development, Growth, and Evolution: implications for the study of the hominid skeleton. P. O'Higgins and M. J. Cohn (eds.). London: Academic Press, p. 1-28. (pdf)
Lovejoy, C. O., Cohn, M. J., and White, T. D. (2000). The evolution of mammalian morphology: a developmental perspecitve. In: Development, Growth, and Evolution: Implications for the study of the hominid skeleton. P. O'Higgins and M. J. Cohn (eds.). London: Academic Press, p. 41-55. (pdf)
Cohn, M. J., and Tickle, C. (1999). Developmental basis of limblessness and axial regionalization in snakes. Nature. 399:474-479. (pdf)
Lovejoy, C. O., Cohn, M. J., and White, T. D. (1999). Morphological analysis of the mammalian postcranium: a developmental perspective. Proceedings of the National Academy of Sciences USA. 96:13247-13252. (pdf)
Coates, M. I., and Cohn, M. J. (1999). Vertebrate axial and appendicular patterning: the early development of paired appendages. American Zoologist. 39:676-685.
Cohn, M. J., and Bright, P. E. (1999). Molecular control of vertebrate limb development, evolution, and congenital malformations. Cell and Tissue Research. 296:3-17. (pdf)
Coates, M. I., and Cohn, M. J. (1998). Fins, limbs, and tails: outgrowth and patterning in vertebrate evolution. Bioessays. 20:371-381. (pdf)
Cohn, M. J., Patel, K., Krumlauf, R., Wilkinson, D. G., Clarke, J. D., and Tickle, C. (1997). Hox9 genes and vertebrate limb specification. Nature. 387:97-101. (pdf)
Cohn, M. J., and Tickle, C. (1996). Limbs: a model for pattern formation within the vertebrate body plan. Trends in Genetics. 12:253-257. (pdf)
Abud, H. E., Skinner, J. A., Cohn, M. J., and Heath, J. K. (1996). Multiple functions of fibroblast growth factors in vertebrate development. Biochem. Soc. Symposia. 62: 39-50.
Cohn, M. J., Izpisua-Belmonte, J. C., Abud, H., Heath, J. K., and Tickle, C. (1995). Fibroblast growth factors induce additional limb development from the flank of chick embryos. Cell. 80:739-746. (pdf)
Books
P. O'Higgins and M. J. Cohn, eds. (2000). Development, Growth, and Evolution: implications for the study of the hominid skeleton. Academic Press, London. View.
