Comparative Mapping of the Macrochromosomes of Eight Avian Species Provides Further Insight into Their Phylogenetic Relationships and Avian Karyotype Evolution
| Autor: | Evgeni A. Brazhnik, Rebecca E. O’Connor, Denis M. Larkin, Lucas G. Kiazim, Valeriy G. Narushin, Darren K. Griffin, Michael N Romanov |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
0106 biological sciences
0301 basic medicine Chromosomes Artificial Bacterial animal structures Karyotype avian species Chromosomal rearrangement Biology 010603 evolutionary biology 01 natural sciences Genome Article Chromosomes comparative cytogenetic maps Birds Evolution Molecular 03 medical and health sciences Species Specificity Phylogenomics Gene Order Animals lcsh:QH301-705.5 QH426 Phylogeny QH581.2 Gene Rearrangement Likelihood Functions Principal Component Analysis Bacterial artificial chromosome QL Phylogenetic tree Chromosome Mapping BACs phylogenomics General Medicine biology.organism_classification macrochromosome chromosome rearrangements 030104 developmental biology lcsh:Biology (General) Evolutionary biology QH324.2 Neognathae Microchromosome Chickens |
| Zdroj: | Cells Volume 10 Issue 2 Cells, Vol 10, Iss 362, p 362 (2021) |
| ISSN: | 2073-4409 |
| DOI: | 10.3390/cells10020362 |
| Popis: | Avian genomes typically consist of ~10 pairs of macro- and ~30 pairs of microchromosomes. While inter-chromosomally, a pattern emerges of very little change (with notable exceptions) throughout evolution, intrachromosomal changes remain relatively poorly studied. To rectify this, here we use a pan-avian universally hybridising set of 74 chicken bacterial artificial chromosome (BAC) probes on the macrochromosomes of eight bird species: common blackbird, Atlantic canary, Eurasian woodcock, helmeted guinea fowl, houbara bustard, mallard duck, and rock dove. A combination of molecular cytogenetic, bioinformatics, and mathematical analyses allowed the building of comparative cytogenetic maps, reconstruction of a putative Neognathae ancestor, and assessment of chromosome rearrangement patterns and phylogenetic relationships in the studied neognath lineages. We observe that, as with our previous studies, chicken appears to have the karyotype most similar to the ancestor however, previous reports of an increased rate of intrachromosomal change in Passeriformes (songbirds) appear not to be the case in our dataset. The use of this universally hybridizing probe set is applicable not only for the re-tracing of avian karyotype evolution but, potentially, for reconstructing genome assemblies. |
| Databáze: | OpenAIRE |
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