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. 2021 Dec 17;112(7):569-574.
doi: 10.1093/jhered/esab052.

Facultative Parthenogenesis in California Condors

Oliver A Ryder  1 , Steven Thomas  1   2 , Jessica Martin Judson  1   3 , Michael N Romanov  1   4 , Sugandha Dandekar  5 , Jeanette C Papp  5 , Lindsay C Sidak-Loftis  1   6 , Kelli Walker  7 , Ilse H Stalis  8 , Michael Mace  9 , Cynthia C Steiner  1 , Leona G Chemnick  1
Affiliations

Affiliations

  • 1 Conservation Genetics, Beckman Center for Conservation Research, San Diego Zoo Wildlife Alliance, Escondido, CA 92027, USA.
  • 2 SGI-DNA, La Jolla, CA 92037, USA.
  • 3 W.K. Kellogg Biological Station, Michigan State University, Hickory Corners, MI 49060, USA.
  • 4 School of Biosciences, University of Kent, Canterbury, Kent CT2 7NJ, UK.
  • 5 Human Genetics Department, GenoSeq Core, University of California, Los Angeles, CA 90095, USA.
  • 6 Department of Veterinary Microbiology and Pathology, Program in Vector-borne Diseases, Washington State University, Pullman, WA, USA.
  • 7 Oregon Zoo, Portland, OR 97221, USA.
  • 8 Disease Investigations, San Diego Zoo Wildlife Alliance, San Diego, CA 92101, USA.
  • 9 San Diego Zoo Wildlife Alliance, San Diego, CA 92101, USA.

Facultative Parthenogenesis in California Condors

Oliver A Ryder et al. J Hered. .
. 2021 Dec 17;112(7):569-574.
doi: 10.1093/jhered/esab052.

Authors

Oliver A Ryder  1 , Steven Thomas  1   2 , Jessica Martin Judson  1   3 , Michael N Romanov  1   4 , Sugandha Dandekar  5 , Jeanette C Papp  5 , Lindsay C Sidak-Loftis  1   6 , Kelli Walker  7 , Ilse H Stalis  8 , Michael Mace  9 , Cynthia C Steiner  1 , Leona G Chemnick  1

Affiliations

  • 1 Conservation Genetics, Beckman Center for Conservation Research, San Diego Zoo Wildlife Alliance, Escondido, CA 92027, USA.
  • 2 SGI-DNA, La Jolla, CA 92037, USA.
  • 3 W.K. Kellogg Biological Station, Michigan State University, Hickory Corners, MI 49060, USA.
  • 4 School of Biosciences, University of Kent, Canterbury, Kent CT2 7NJ, UK.
  • 5 Human Genetics Department, GenoSeq Core, University of California, Los Angeles, CA 90095, USA.
  • 6 Department of Veterinary Microbiology and Pathology, Program in Vector-borne Diseases, Washington State University, Pullman, WA, USA.
  • 7 Oregon Zoo, Portland, OR 97221, USA.
  • 8 Disease Investigations, San Diego Zoo Wildlife Alliance, San Diego, CA 92101, USA.
  • 9 San Diego Zoo Wildlife Alliance, San Diego, CA 92101, USA.

Erratum in

  • Corrigendum to: Facultative Parthenogenesis in California Condors.
    Ryder OA, Thomas S, Judson JM, Romanov MN, Dandekar S, Papp JC, Sidak-Loftis LC, Walker K, Stalis IH, Mace M, Steiner CC, Chemnick LG. Ryder OA, et al. J Hered. 2022 May 16;113(2):217. doi: 10.1093/jhered/esab074. J Hered. 2022. PMID: 35575084 Free PMC article. No abstract available.

Abstract

Parthenogenesis is a relatively rare event in birds, documented in unfertilized eggs from columbid, galliform, and passerine females with no access to males. In the critically endangered California condor, parentage analysis conducted utilizing polymorphic microsatellite loci has identified two instances of parthenogenetic development from the eggs of two females in the captive breeding program, each continuously housed with a reproductively capable male with whom they had produced offspring. Paternal genetic contribution to the two chicks was excluded. Both parthenotes possessed the expected male ZZ sex chromosomes and were homozygous for all evaluated markers inherited from their dams. These findings represent the first molecular marker-based identification of facultative parthenogenesis in an avian species, notably of females in regular contact with fertile males, and add to the phylogenetic breadth of vertebrate taxa documented to have reproduced via asexual reproduction.

Keywords: California condor; conservation genetics; parthenogenesis.

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References

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