دورية أكاديمية
Asymmetric and Spiraled Genitalia Coevolve with Unique Lateralized Mating Behavior.
العنوان: | Asymmetric and Spiraled Genitalia Coevolve with Unique Lateralized Mating Behavior. |
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المؤلفون: | Orbach DN; Texas A&M University- Corpus Christi, Department of Life Sciences, 6300 Ocean Dr., Corpus Christi, Texas, 78412, USA. dnorbach@gmail.com.; Mount Holyoke College, Department of Biological Sciences, 50 College Street, South Hadley, Massachusetts, 01075, USA. dnorbach@gmail.com., Brennan PLR; Mount Holyoke College, Department of Biological Sciences, 50 College Street, South Hadley, Massachusetts, 01075, USA., Hedrick BP; Louisiana State University Health Sciences Center, Department of Cell Biology and Anatomy, 1901 Perdido Street, New Orleans, LA, 70112, USA.; University of Oxford, Department of Earth Sciences, South Parks Road, Oxford, OX1 3AN, UK., Keener W; The Marine Mammal Center, 2000 Bunker Road, Sausalito, California, 94965, USA., Webber MA; The Marine Mammal Center, 2000 Bunker Road, Sausalito, California, 94965, USA., Mesnick SL; Marine Mammal and Turtle Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 8901 La Jolla Shores Drive, La Jolla, California, 92037, USA. |
المصدر: | Scientific reports [Sci Rep] 2020 Feb 24; Vol. 10 (1), pp. 3257. Date of Electronic Publication: 2020 Feb 24. |
نوع المنشور: | Journal Article; Research Support, U.S. Gov't, Non-P.H.S. |
اللغة: | English |
بيانات الدورية: | Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: London : Nature Publishing Group, copyright 2011- |
مواضيع طبية MeSH: | Reproduction* , Sexual Behavior, Animal*, Penis/*anatomy & histology , Phocoena/*physiology , Vagina/*anatomy & histology, Animals ; Biological Evolution ; Female ; Genetic Variation ; Male ; Organ Size ; Phocoena/anatomy & histology ; Principal Component Analysis |
مستخلص: | Asymmetric genitalia and lateralized mating behaviors occur in several taxa, yet whether asymmetric morphology in one sex correlates or coevolves with lateralized mating behavior in the other sex remains largely unexplored. While lateralized mating behaviors are taxonomically widespread, among mammals they are only known in the harbor porpoise (Phocoena phocoena). Males attempt copulation by approaching a female exclusively on her left side. To understand if this unusual lateralized behavior may have coevolved with genital morphology, we quantified the shape of female and male harbor porpoise reproductive tracts using 2D geometric morphometrics and 3D models of the vaginal lumen and inflated distal penis. We found that the vaginas varied individually in shape and that the vaginas demonstrated both significant directional and fluctuating asymmetry. This asymmetry resulted from complex 3D spirals and vaginal folds with deep recesses, which may curtail the depth or direction of penile penetration and/or semen movement. The asymmetric shapes of the vaginal lumen and penis tip were both left-canted with similar angular bends that mirrored one another and correspond with the left lateral mating approach. We suggest that the reproductive anatomy of both sexes and their lateral mating behavior coevolved. |
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تواريخ الأحداث: | Date Created: 20200226 Date Completed: 20201204 Latest Revision: 20210223 |
رمز التحديث: | 20231215 |
مُعرف محوري في PubMed: | PMC7039966 |
DOI: | 10.1038/s41598-020-60287-w |
PMID: | 32094449 |
قاعدة البيانات: | MEDLINE |
تدمد: | 2045-2322 |
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DOI: | 10.1038/s41598-020-60287-w |