Understanding the chromosomal evolution in cuckoos (Aves, Cuculiformes) : a journey through unusual rearrangements
The Cuculiformes are a family of over 150 species that live in a range of habitats, such as forests, savannas, and deserts. Here, bacterial artificial chromosome (BAC) probes (75 from chicken and 14 from zebra finch macrochromosomes 1-10 +ZW and for microchromosomes 11-28 (except 16)) were used to investigate chromosome homologies between chicken and the squirrel cuckoo (Piaya cayana). In addition, repetitive DNA probes were applied to characterize the chromosome organization and to explore the role of these sequences in the karyotype evolution of P. cayana. We also applied BAC probes for chicken chromosome 17 and Z to the guira cuckoo (Guira guira) to test whether this species has an unusual Robertsonian translocation between a microchromosome and the Z chromosome, recently described in the smooth-billed ani (Crotophaga ani). Our results revealed extensive chromosome reorganization with inter- and intrachromosomal rearrangements in P. cayana, including a conspicuous chromosome size and heterochromatin polymorphism on chromosome pair 20. Furthermore, we confirmed that the Z-autosome Robertsonian translocation found in C. ani is also found in G. guira, not P. cayana. These findings suggest that this translocation occurred prior to the divergence between C. ani and G. guira, but after the divergence with P. cayana.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Genome - (2024) vom: 12. Feb. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Kretschmer, Rafael [VerfasserIn] |
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| Links: |
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| Themen: |
Birds |
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| Anmerkungen: |
Date Revised 01.03.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1139/gen-2023-0101 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM368364224 |
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| 520 | |a The Cuculiformes are a family of over 150 species that live in a range of habitats, such as forests, savannas, and deserts. Here, bacterial artificial chromosome (BAC) probes (75 from chicken and 14 from zebra finch macrochromosomes 1-10 +ZW and for microchromosomes 11-28 (except 16)) were used to investigate chromosome homologies between chicken and the squirrel cuckoo (Piaya cayana). In addition, repetitive DNA probes were applied to characterize the chromosome organization and to explore the role of these sequences in the karyotype evolution of P. cayana. We also applied BAC probes for chicken chromosome 17 and Z to the guira cuckoo (Guira guira) to test whether this species has an unusual Robertsonian translocation between a microchromosome and the Z chromosome, recently described in the smooth-billed ani (Crotophaga ani). Our results revealed extensive chromosome reorganization with inter- and intrachromosomal rearrangements in P. cayana, including a conspicuous chromosome size and heterochromatin polymorphism on chromosome pair 20. Furthermore, we confirmed that the Z-autosome Robertsonian translocation found in C. ani is also found in G. guira, not P. cayana. These findings suggest that this translocation occurred prior to the divergence between C. ani and G. guira, but after the divergence with P. cayana | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a birds | |
| 650 | 4 | |a chromosomal rearrangements | |
| 650 | 4 | |a genome evolution | |
| 650 | 4 | |a heterochromatic polymorphism | |
| 650 | 4 | |a sex chromosomes | |
| 700 | 1 | |a Santos de Souza, Marcelo |e verfasserin |4 aut | |
| 700 | 1 | |a Gunski, Ricardo José |e verfasserin |4 aut | |
| 700 | 1 | |a Del Valle Garnero, Analía |e verfasserin |4 aut | |
| 700 | 1 | |a de Freitas, Thales Renato Ochotorena |e verfasserin |4 aut | |
| 700 | 1 | |a Zefa, Edison |e verfasserin |4 aut | |
| 700 | 1 | |a Toma, Gustavo Akira |e verfasserin |4 aut | |
| 700 | 1 | |a Cioffi, Marcelo de Bello |e verfasserin |4 aut | |
| 700 | 1 | |a Herculano Corrêa de Oliveira, Edivaldo |e verfasserin |4 aut | |
| 700 | 1 | |a O'Connor, Rebecca E |e verfasserin |4 aut | |
| 700 | 1 | |a Griffin, Darren K |e verfasserin |4 aut | |
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