Cytogenetics of structural rearrangements in Musa hybrids and cultivars

F. Ahmad, P.M. Bourke, Hugo A. Volkaert, G.H.J. Kema, H. de Jong

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review


Edible bananas are diploid or triploid Musa acuminata, or hybrids of M. acuminata x M. balbisi-ana, producing nutritious seedless fruit of different taste and structure. Breeding for high yield and host plant resistance to pathogens and pests as well as adaptation to abiotic stress of im-portant cultivars is challenging because of seedless and parthenocarpic fruit. In addition, cross-ings and selections of diploid cultivars and wild relatives are severely hampered by transloca-tions and inversions that are widespread in the M. acuminata populations. In this study we pre-sent an overview of cytogenetics, genetics and genomics research carried out to elucidate the meiotic chromosome behaviour in the hybrids and the mapping of genes, and to analyse the dif-ferent classes of DNA sequences in the banana genomes. Finally, we illustrate cytogenetic and linkage mapping of a diploid M. acuminata ssp. malaccensis using the diploid M. acuminata ‘Pa-hang’ as a genome reference and focus on the occurrence of structural rearrangements.
Original languageEnglish
Title of host publicationAchieving sustainable cultivation of bananas
EditorsGert Kema
PublisherBurleigh Dodds Science Publishing
ISBN (Electronic)9781003047902
ISBN (Print)9781786763440
Publication statusPublished - 23 Nov 2020


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