Phylogenetic Diversity of Ossification Patterns in the Avian Vertebral Column: A Review and New Data from the Domestic Pigeon and Two Species of Grebes
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| dc.abstract.en | Despite many decades of studies, our knowledge of skeletal development in birds is limited in many aspects. One of them is the development of the vertebral column. For many years it was widely believed that the column ossifies anteroposteriorly. However, later studies indicated that such a pattern is not universal in birds and in many groups the ossification starts in the thoracic rather than cervical region. Recent analyses suggest that two loci, located in the cervical and thoracic vertebrae, were ancestrally present in birds. However, the data on skeletal development are very scarce in the Neoaves, a clade that includes approximately 95% of extant species. We review the available information about the vertebral column development in birds and describe the ossification pattern in three neoavians, the domestic pigeon (Columba livia domestica), the great crested grebe (Podiceps cristatus) and the red-necked grebe (Podiceps grisegena). In P. cristatus, the vertebral column starts ossifying in the thoracic region. The second locus is present in the cervical vertebrae. In the pigeon, the cervical vertebrae ossify before the thoracics, but both the thoracic and cervical loci are present. Our ancestral state reconstructions confirm that both these loci were ancestrally present in birds, but the thoracic locus was later lost in psittacopasserans and at least some galloanserans. | |
| dc.affiliation | Wydział Medycyny Weterynaryjnej i Nauk o Zwierzętach | |
| dc.affiliation.institute | Katedra Zoologii | |
| dc.contributor.author | Skawiński, Tomasz | |
| dc.contributor.author | Kuziak, Piotr | |
| dc.contributor.author | Kloskowski, Janusz | |
| dc.contributor.author | Borczyk, Bartosz | |
| dc.date.access | 2026-01-30 | |
| dc.date.accessioned | 2026-02-10T08:27:51Z | |
| dc.date.available | 2026-02-10T08:27:51Z | |
| dc.date.copyright | 2022-01-24 | |
| dc.date.issued | 2022 | |
| dc.description.abstract | <jats:p>Despite many decades of studies, our knowledge of skeletal development in birds is limited in many aspects. One of them is the development of the vertebral column. For many years it was widely believed that the column ossifies anteroposteriorly. However, later studies indicated that such a pattern is not universal in birds and in many groups the ossification starts in the thoracic rather than cervical region. Recent analyses suggest that two loci, located in the cervical and thoracic vertebrae, were ancestrally present in birds. However, the data on skeletal development are very scarce in the Neoaves, a clade that includes approximately 95% of extant species. We review the available information about the vertebral column development in birds and describe the ossification pattern in three neoavians, the domestic pigeon (Columba livia domestica), the great crested grebe (Podiceps cristatus) and the red-necked grebe (Podiceps grisegena). In P. cristatus, the vertebral column starts ossifying in the thoracic region. The second locus is present in the cervical vertebrae. In the pigeon, the cervical vertebrae ossify before the thoracics, but both the thoracic and cervical loci are present. Our ancestral state reconstructions confirm that both these loci were ancestrally present in birds, but the thoracic locus was later lost in psittacopasserans and at least some galloanserans.</jats:p> | |
| dc.description.accesstime | at_publication | |
| dc.description.bibliography | il., bibliogr. | |
| dc.description.finance | publication_nocost | |
| dc.description.financecost | 0,00 | |
| dc.description.if | 4,2 | |
| dc.description.number | 2 | |
| dc.description.points | 100 | |
| dc.description.version | final_published | |
| dc.description.volume | 12 | |
| dc.identifier.doi | 10.3390/biology11020180 | |
| dc.identifier.eissn | 2079-7737 | |
| dc.identifier.uri | https://sciencerep.up.poznan.pl/handle/item/7272 | |
| dc.identifier.weblink | https://www.mdpi.com/2079-7737/11/2/180 | |
| dc.language | en | |
| dc.relation.ispartof | Biology | |
| dc.relation.pages | art. 180 | |
| dc.rights | CC-BY | |
| dc.sciencecloud | nosend | |
| dc.share.type | OPEN_JOURNAL | |
| dc.subject.en | axial skeleton | |
| dc.subject.en | birds | |
| dc.subject.en | evo-devo | |
| dc.subject.en | ossification sequences | |
| dc.subject.en | skeletogenesis | |
| dc.title | Phylogenetic Diversity of Ossification Patterns in the Avian Vertebral Column: A Review and New Data from the Domestic Pigeon and Two Species of Grebes | |
| dc.type | JournalArticle | |
| dspace.entity.type | Publication | |
| oaire.citation.issue | 2 | |
| oaire.citation.volume | 11 |