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                  <mods:namePart>Martín-Serra, Alberto</mods:namePart>
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                  <mods:namePart>Pérez-Ramos, Alejandro</mods:namePart>
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                  <mods:namePart>Pastor, Francisco</mods:namePart>
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                  <mods:namePart>Velasco, David</mods:namePart>
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                  <mods:namePart>Figueirido-Castillo, Francisco Borja</mods:namePart>
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               <mods:identifier type="citation">Martín-Serra, A., Pérez-Ramos, A., Pastor, F. J., Velasco, D., &amp; Figueirido, B. (2021). Phenotypic integration in the carnivoran backbone and the evolution of functional differentiation in metameric structures. Evolution Letters, 5(3), 251-264.</mods:identifier>
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               <mods:identifier type="doi">doi.org/10.1002/evl3.224</mods:identifier>
               <mods:abstract>Explaining the origin and evolution of a vertebral column with anatomically distinct regions that characterizes the tetrapod bodyplan provides understanding of how metameric structures become repeated and how they acquire the ability to perform differentfunctions. However, despite many decades of inquiry, the advantages and costs of vertebral column regionalization in anatomicallydistinct blocks, their functional specialization, and how they channel new evolutionary outcomes are poorly understood. Here, weinvestigate morphological integration (and how this integration is structured [modularity]) between all the presacral vertebraeof mammalian carnivorans to provide a better understanding of how regionalization in metameric structures evolves. Our resultsdemonstrate that the subunits of the presacral column are highly integrated. However, underlying to this general pattern, three setsof vertebrae are recognized as presacral modules—the cervical module, the anterodorsal module, and the posterodorsal module—as well as one weakly integrated vertebra (diaphragmatic) that forms a transition between both dorsal modules. We hypothesizethat the strength of integration organizing the axial system into modules may be associated with motion capability. The highlyintegrated anterior dorsal module coincides with a region with motion constraints to avoid compromising ventilation, whereas forthe posterior dorsal region motion constraints avoid exceeding extension of the posterior back. On the other hand, the weaklyintegrated diaphragmatic vertebra belongs to the “Diaphragmatic joint complex”—a key region of the mammalian column ofexceedingly permissive motion. Our results also demonstrate that these modules do not match with the traditional morphologicalregions, and we propose natural selection as the main factor shaping this pattern to stabilize some regions and to allow coordinatemovements in others</mods:abstract>
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                  <mods:topic>Columna vertebral - Evolución</mods:topic>
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                  <mods:title>Phenotypic integration in the carnivoran backbone and the evolution of functional differentiation in metameric structures</mods:title>
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