ArticleAnnals of botany2019
Two large reciprocal translocations characterized in the disease resistance-rich burmannica genetic group of Musa acuminata.
Article in Annals of botany, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed.
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- Genome-wide association for agro-morphological traits in a triploid banana population with large chromosome rearrangements.Horticulture research · 2025Article
- Unravelling genomic drivers of speciation in Musa through genome assemblies of wild banana ancestors.Nature communications · 2025Article
- Striking variation in chromosome structure withinFrontiers in plant science · 2024Article
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- The phased telomere-to-telomere reference genome of Musa acuminata, a main contributor to banana cultivars.Scientific data · 2023Article
- Telomere-to-telomere haplotype-resolved reference genome reveals subgenome divergence and disease resistance in triploid Cavendish banana.Horticulture research · 2023Article
- Article
- Continuous Mapping Identifies Loci Associated With Weevil Resistance [Frontiers in plant science · 2021Article
- Chromosome reciprocal translocations have accompanied subspecies evolution in bananas.The Plant journal : for cell and molecular biology · 2020Article
- Chromosome Painting in Cultivated Bananas and Their Wild Relatives (International journal of molecular sciences · 2020Article
- Genome ancestry mosaics reveal multiple and cryptic contributors to cultivated banana.The Plant journal : for cell and molecular biology · 2020Article
- Association genetics of bunch weight and its component traits in East African highland banana (Musa spp. AAA group).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- Chromosome Painting Facilitates Anchoring Reference Genome Sequence to ChromosomesFrontiers in plant science · 2019Article
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17 authors.
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Abstract
BACKGROUND AND
aimsBanana cultivars are derived from hybridizations involving Musa acuminata subspecies. The latter diverged following geographical isolation in distinct South-east Asian continental regions and islands. Observation of chromosome pairing irregularities in meiosis of hybrids between these subspecies suggested the presence of large chromosomal structural variations. The aim of this study was to characterize such rearrangements.
methodsMarker (single nucleotide polymorphism) segregation in a self-progeny of the 'Calcutta 4' accession and mate-pair sequencing were used to search for chromosomal rearrangements in comparison with the M. acuminata ssp. malaccensis genome reference sequence. Signature segment junctions of the revealed chromosome structures were identified and searched in whole-genome sequencing data from 123 wild and cultivated Musa accessions. KEY
resultsTwo large reciprocal translocations were characterized in the seedy banana M. acuminata ssp. burmannicoides 'Calcutta 4' accession. One consisted of an exchange of a 240 kb distal region of chromosome 2 with a 7.2 Mb distal region of chromosome 8. The other involved an exchange of a 20.8 Mb distal region of chromosome 1 with a 11.6 Mb distal region of chromosome 9. Both translocations were found only in wild accessions belonging to the burmannicoides/burmannica/siamea subspecies. Only two of the 87 cultivars analysed displayed the 2/8 translocation, while none displayed the 1/9 translocation.
conclusionTwo large reciprocal translocations were identified that probably originated in the burmannica genetic group. Accurate characterization of these translocations should enhance the use of this disease resistance-rich burmannica group in breeding programmes.
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