Novel insights into chromosome evolution of Charadriiformes: extensive genomic reshuffling in the wattled jacana (Jacana jacana, Charadriiformes, Jacanidae)
Abstract The order Charadriiformes comprises three major clades: Lari and Scolopaci as sister group to Charadrii. Until now, only three Charadriiformes species have been studied by chromosome painting: Larus argentatus (Lari), Burhinus oedicnemus and Vanellus chilensis (Charadrii). Hence, there is a lack of information concerning the third clade, Scolapaci. Based on this, and to gain a better understanding of karyotype evolution in the order Charadriiformes, we applied conventional and molecular cytogenetic approaches in a species belonging to clade Scolopaci - the wattled jacana (Jacana jacana) - using Gallus gallus and Zenaida auriculata chromosome-specific probes. Cross-species evaluation of J. jacana chromosomes shows extensive genomic reshuffling within macrochromosomes during evolution, with multiple fission and fusion events, although the diploid number remains at high level (2n=82). Interestingly, this species does not have the GGA7-8 fusion, which was found in two representatives of Charadrii clade, reinforcing the idea that this fusion may be exclusive to the Charadrii clade. In addition, it is shown that the chromosome evolution in Charadriiformes is complex and resulted in species with typical and atypical karyotypes. The karyotypic features of Scolopaci are very different from those of Charadrii and Lari, indicating that after divergence, each suborder has undergone different chromosome rearrangements.
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Sociedade Brasileira de Genética
2020
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oai:scielo:S1415-475720200001006012020-02-14Novel insights into chromosome evolution of Charadriiformes: extensive genomic reshuffling in the wattled jacana (Jacana jacana, Charadriiformes, Jacanidae)Kretschmer,RafaelSouza,Marcelo Santos deBarcellos,Suziane AlvesDegrandi,Tiago MarafigaPereira,Jorge C.O’Brien,Patricia C.M.Ferguson-Smith,Malcolm A.Gunski,Ricardo JoséGarnero,Analía del ValleOliveira,Edivaldo Herculano Correa deFreitas,Thales Renato Ochotorena de Charadrii karyotype Avian genome comparative mapping Abstract The order Charadriiformes comprises three major clades: Lari and Scolopaci as sister group to Charadrii. Until now, only three Charadriiformes species have been studied by chromosome painting: Larus argentatus (Lari), Burhinus oedicnemus and Vanellus chilensis (Charadrii). Hence, there is a lack of information concerning the third clade, Scolapaci. Based on this, and to gain a better understanding of karyotype evolution in the order Charadriiformes, we applied conventional and molecular cytogenetic approaches in a species belonging to clade Scolopaci - the wattled jacana (Jacana jacana) - using Gallus gallus and Zenaida auriculata chromosome-specific probes. Cross-species evaluation of J. jacana chromosomes shows extensive genomic reshuffling within macrochromosomes during evolution, with multiple fission and fusion events, although the diploid number remains at high level (2n=82). Interestingly, this species does not have the GGA7-8 fusion, which was found in two representatives of Charadrii clade, reinforcing the idea that this fusion may be exclusive to the Charadrii clade. In addition, it is shown that the chromosome evolution in Charadriiformes is complex and resulted in species with typical and atypical karyotypes. The karyotypic features of Scolopaci are very different from those of Charadrii and Lari, indicating that after divergence, each suborder has undergone different chromosome rearrangements.info:eu-repo/semantics/openAccessSociedade Brasileira de GenéticaGenetics and Molecular Biology v.43 n.1 20202020-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572020000100601en10.1590/1678-4685-gmb-2019-0236 |
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Kretschmer,Rafael Souza,Marcelo Santos de Barcellos,Suziane Alves Degrandi,Tiago Marafiga Pereira,Jorge C. O’Brien,Patricia C.M. Ferguson-Smith,Malcolm A. Gunski,Ricardo José Garnero,Analía del Valle Oliveira,Edivaldo Herculano Correa de Freitas,Thales Renato Ochotorena de |
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Kretschmer,Rafael Souza,Marcelo Santos de Barcellos,Suziane Alves Degrandi,Tiago Marafiga Pereira,Jorge C. O’Brien,Patricia C.M. Ferguson-Smith,Malcolm A. Gunski,Ricardo José Garnero,Analía del Valle Oliveira,Edivaldo Herculano Correa de Freitas,Thales Renato Ochotorena de Novel insights into chromosome evolution of Charadriiformes: extensive genomic reshuffling in the wattled jacana (Jacana jacana, Charadriiformes, Jacanidae) |
author_facet |
Kretschmer,Rafael Souza,Marcelo Santos de Barcellos,Suziane Alves Degrandi,Tiago Marafiga Pereira,Jorge C. O’Brien,Patricia C.M. Ferguson-Smith,Malcolm A. Gunski,Ricardo José Garnero,Analía del Valle Oliveira,Edivaldo Herculano Correa de Freitas,Thales Renato Ochotorena de |
author_sort |
Kretschmer,Rafael |
title |
Novel insights into chromosome evolution of Charadriiformes: extensive genomic reshuffling in the wattled jacana (Jacana jacana, Charadriiformes, Jacanidae) |
title_short |
Novel insights into chromosome evolution of Charadriiformes: extensive genomic reshuffling in the wattled jacana (Jacana jacana, Charadriiformes, Jacanidae) |
title_full |
Novel insights into chromosome evolution of Charadriiformes: extensive genomic reshuffling in the wattled jacana (Jacana jacana, Charadriiformes, Jacanidae) |
title_fullStr |
Novel insights into chromosome evolution of Charadriiformes: extensive genomic reshuffling in the wattled jacana (Jacana jacana, Charadriiformes, Jacanidae) |
title_full_unstemmed |
Novel insights into chromosome evolution of Charadriiformes: extensive genomic reshuffling in the wattled jacana (Jacana jacana, Charadriiformes, Jacanidae) |
title_sort |
novel insights into chromosome evolution of charadriiformes: extensive genomic reshuffling in the wattled jacana (jacana jacana, charadriiformes, jacanidae) |
description |
Abstract The order Charadriiformes comprises three major clades: Lari and Scolopaci as sister group to Charadrii. Until now, only three Charadriiformes species have been studied by chromosome painting: Larus argentatus (Lari), Burhinus oedicnemus and Vanellus chilensis (Charadrii). Hence, there is a lack of information concerning the third clade, Scolapaci. Based on this, and to gain a better understanding of karyotype evolution in the order Charadriiformes, we applied conventional and molecular cytogenetic approaches in a species belonging to clade Scolopaci - the wattled jacana (Jacana jacana) - using Gallus gallus and Zenaida auriculata chromosome-specific probes. Cross-species evaluation of J. jacana chromosomes shows extensive genomic reshuffling within macrochromosomes during evolution, with multiple fission and fusion events, although the diploid number remains at high level (2n=82). Interestingly, this species does not have the GGA7-8 fusion, which was found in two representatives of Charadrii clade, reinforcing the idea that this fusion may be exclusive to the Charadrii clade. In addition, it is shown that the chromosome evolution in Charadriiformes is complex and resulted in species with typical and atypical karyotypes. The karyotypic features of Scolopaci are very different from those of Charadrii and Lari, indicating that after divergence, each suborder has undergone different chromosome rearrangements. |
publisher |
Sociedade Brasileira de Genética |
publishDate |
2020 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572020000100601 |
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