دورية أكاديمية
Central African dwarf crocodiles found in syntopy are comparably divergent to South American dwarf caimans.
| العنوان: | Central African dwarf crocodiles found in syntopy are comparably divergent to South American dwarf caimans. |
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| المؤلفون: | Gvoždík V; Institute of Vertebrate Biology of the Czech Academy of Sciences , Brno, Czech Republic.; Department of Zoology, National Museum of the Czech Republic , Prague, Czech Republic., Dolinay M; Institute of Vertebrate Biology of the Czech Academy of Sciences , Brno, Czech Republic., Zassi-Boulou AG; Department of Biology, National Institute for Research in Exact and Natural Sciences (IRSEN) , Brazzaville, Republic of the Congo., Lemmon AR; Department of Scientific Computing, Dirac Science Library, Florida State University , Tallahassee, FL, USA., Lemmon EM; Department of Biological Sciences, Florida State University , Tallahassee, FL, USA., Procházka M; Crocodile Zoo Protivín, Protivín , Czech Republic. |
| المصدر: | Biology letters [Biol Lett] 2024 May; Vol. 20 (5), pp. 20230448. Date of Electronic Publication: 2024 May 08. |
| نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: The Royal Society Country of Publication: England NLM ID: 101247722 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1744-957X (Electronic) Linking ISSN: 17449561 NLM ISO Abbreviation: Biol Lett Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: London : The Royal Society, 2005- |
| مواضيع طبية MeSH: | Alligators and Crocodiles*/genetics , Alligators and Crocodiles*/anatomy & histology , Alligators and Crocodiles*/classification, Animals ; Congo ; Sympatry ; South America ; Phylogeny ; Genetic Speciation |
| مستخلص: | Recent molecular taxonomic advancements have expanded our understanding of crocodylian diversity, revealing the existence of previously overlooked species, including the Congo dwarf crocodile ( Osteolaemus osborni ) in the central Congo Basin rainforests. This study explores the genomic divergence between O. osborni and its better-known relative, the true dwarf crocodile ( Osteolaemus tetraspis ), shedding light on their evolutionary history. Field research conducted in the northwestern Republic of the Congo uncovered a locality where both species coexist in sympatry/syntopy. Genomic analysis of sympatric individuals reveals a level of divergence comparable to that between ecologically similar South American dwarf caimans ( Paleosuchus palpebrosus and Paleosuchus trigonatus ), suggesting parallel speciation in the Afrotropics and Neotropics during the Middle to Late Miocene, 10-12 Ma. Comparison of the sympatric and allopatric dwarf crocodiles indicates no gene flow between the analysed sympatric individuals of O. osborni and O. tetraspis . However, a larger sample will be required to answer the question of whether or to what extent these species hybridize. This study emphasizes the need for further research on the biology and conservation status of the Congo dwarf crocodile, highlighting its significance in the unique biodiversity of the Congolian rainforests and thus its potential as a flagship species. |
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| معلومات مُعتمدة: | Czech Science Foundation; Neuron Endowment Fund; Ministry of Culture of the Czech Republic |
| فهرسة مساهمة: | Keywords: Congo Basin; Crocodylia; overlooked biodiversity; phylogenomics; sympatry |
| تواريخ الأحداث: | Date Created: 20240508 Date Completed: 20240508 Latest Revision: 20240531 |
| رمز التحديث: | 20240531 |
| مُعرف محوري في PubMed: | PMC11135362 |
| DOI: | 10.1098/rsbl.2023.0448 |
| PMID: | 38716586 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1744-957X |
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| DOI: | 10.1098/rsbl.2023.0448 |