Scheda di dettaglio – i prodotti della ricerca
| Dato | Valore |
|---|---|
| Title | Diversification rates in Tardigrada indicate a decreasing tempo of lineage splitting regardless of reproductive mode |
| Abstract | Understanding the dynamics of speciation and extinction events is one of the most interesting subjects in evolutionary biology that relates to all life forms, even the smallest ones. Tardigrades are microscopic invertebrates that attracted public and scientific attention mostly due to their ability to enter into the diapause stage called cryptobiosis and in such stage resist extremely harsh environmental conditions. However, although recent research solved a considerable number of phylogenetic uncertainties and further uncovered physiological mechanisms of cryptobiosis, not much attention is given to the evolutionary forces shaping tardigrade diversity. Here, we investigated the effect of reproductive mode on diversification rates in tardigrades using three groups: macrobiotids, echiniscids and milnesids, which represent low, moderate and high levels of parthenogenesis, respectively. Our results showed a decreasing tempo of diversification events for each of the studied groups without any differences that could be ascribed to reproductive mode. We discussed the observed lack of effect in tardigrades acknowledging deficiencies in available data sets and encouraging further studies to understand whether our results can be considered reliable. |
| Source | Organisms diversity & evolution (Print) |
| Keywords | tardigrada |
| Journal | Organisms diversity & evolution (Print) |
| Editor | Springer, Heidelberg, Germania |
| Year | 2022 |
| Type | Articolo in rivista |
| DOI | 10.1007/s13127-022-00578-4 |
| Authors | Daniel Stec, Tommaso Cancellario & Diego Fontaneto |
| Text | 469598 2022 10.1007/s13127 022 00578 4 tardigrada Diversification rates in Tardigrada indicate a decreasing tempo of lineage splitting regardless of reproductive mode Daniel Stec, Tommaso Cancellario Diego Fontaneto Institute of Systematics and Evolution of Animals, Polish Academy of Sciences, S awkowska 17, 31 016, Krakow, Poland Faculty of Sciences, Department of Environmental Biology, Campus Universitario, University of Navarra, 31008, Pamplona, Spain Molecular Ecology Group MEG , National Research Council of Italy, Water Research Institute CNR IRSA , Verbania Pallanza, Italy Understanding the dynamics of speciation and extinction events is one of the most interesting subjects in evolutionary biology that relates to all life forms, even the smallest ones. Tardigrades are microscopic invertebrates that attracted public and scientific attention mostly due to their ability to enter into the diapause stage called cryptobiosis and in such stage resist extremely harsh environmental conditions. However, although recent research solved a considerable number of phylogenetic uncertainties and further uncovered physiological mechanisms of cryptobiosis, not much attention is given to the evolutionary forces shaping tardigrade diversity. Here, we investigated the effect of reproductive mode on diversification rates in tardigrades using three groups macrobiotids, echiniscids and milnesids, which represent low, moderate and high levels of parthenogenesis, respectively. Our results showed a decreasing tempo of diversification events for each of the studied groups without any differences that could be ascribed to reproductive mode. We discussed the observed lack of effect in tardigrades acknowledging deficiencies in available data sets and encouraging further studies to understand whether our results can be considered reliable. Published version https //link.springer.com/article/10.1007/s13127 022 00578 4 ode 2022_ODE_Stec et al.pdf Articolo in rivista Springer 1439 6092 Organisms diversity evolution Print Organisms diversity evolution Print Org. divers. evol. Print Organisms diversity evolution. Print Organisms diversity and evolution Print Print CANCELLARIO TOMMASO diego.fontaneto FONTANETO DIEGO |