Placenta Wars - Squamates complex relationship with viviparity.

3/17/23 - Trying to distill this topic into a 30 minute segment was pretty tough, but we’re going to try. Oviparous, viviparous, and ovoviviparous… the controversy and how close skinks are to taking over the world.

Episode 74 of the Holdback Rack Podcast podcast, hosted by Jana King, Jessica Hare, titled "Placenta Wars - Squamates complex relationship with viviparity." was published on March 17, 2023 and runs 96 minutes.

March 17, 2023 ·96m · Holdback Rack Podcast

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Summary

Episode Description

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https://pubmed.ncbi.nlm.nih.gov/21956253/

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https://anatomypubs.onlinelibrary.wiley.com/doi/full/10.1002/ar.23904

Gascho D, Hetzel U, Schmid N, Martinez RM, Thali MJ, Richter H. Virtopsy of a gravid Boa constrictor using computed tomography and magnetic resonance imaging. Vet Anim Sci. 2020 Oct 8;10:100150. doi: 10.1016/j.vas.2020.100150. PMID: 33089008; PMCID: PMC7566950.

https://www.sciencedirect.com/science/article/pii/S2451943X20300636

Pyron RA, Burbrink FT. Early origin of viviparity and multiple reversions to oviparity in squamate reptiles. Ecol Lett. 2014 Jan;17(1):13-21. doi: 10.1111/ele.12168. Epub 2013 Aug 19. PMID: 23953272.

https://home.gwu.edu/~rpyron/publications/Pyron_Burbrink_2014a.pdf

Swain R, Jones SM. Facultative placentotrophy: half-way house or strategic solution? Comp Biochem Physiol A Mol Integr Physiol. 2000 Dec;127(4):441-51. doi: 10.1016/s1095-6433(00)00275-0. PMID: 11154941.

https://pubmed.ncbi.nlm.nih.gov/11154941/

https://onlinelibrary.wiley.com/doi/10.1002/jmor.20141

Van Dyke JU, Brandley MC, Thompson MB. The evolution of viviparity: molecular and genomic data from squamate reptiles advance understanding of live birth in amniotes. Reproduction. 2013 Nov 20;147(1):R15-26. doi: 10.1530/REP-13-0309. PMID: 24129151.

https://pubmed.ncbi.nlm.nih.gov/24129151/

Wang, JiaJun & Wu, YaYong & Liu, Qin & Shu, Guocheng & Guo, Peng & Zhu, Guangxiang. (2021). A new ovoviviparous rat snake species of the genus Elaphe (Squamata: Colubridae) from western Sichuan, China. 10.3897/arphapreprints.e77314.

https://www.researchgate.net/publication/355787178_A_new_ovoviviparous_rat_snake_species_of_the_genus_Elaphe_Squamata_Colubridae_from_western_Sichuan_China

Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton, M. … Meiri, S. (2022). A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 31, 2437– 2452. https://doi.org/10.1111/geb.13598

https://onlinelibrary.wiley.com/doi/full/10.1111/geb.13598

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Jessica Hare - Hare Hollow Farm - Altus, OK

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