Onion Male Sterility: Genetics, Genomics and Breeding

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dc.contributor.authorChikh Rouhou, Hela
dc.contributor.authorSingh, Saurabh
dc.contributor.authorPriyadarsini, Srija
dc.contributor.authorMallor Giménez, Cristina
dc.contributor.orcidMallor Giménez, Cristina [0000-0002-3150-5496]
dc.date.accessioned2025-05-27T12:01:19Z
dc.date.available2025-05-27T12:01:19Z
dc.date.issued2025-05-16
dc.description.abstract[EN] Onion, belonging to the Allium genus, is an essential and versatile vegetable crop that plays a pivotal role in culinary traditions worldwide. Renowned for its distinctive flavor and nutritional value, onion is an indispensable ingredient in countless dishes. As the global demand for onion continues to surge, securing a stable supply of high-quality, high-yielding onion varieties becomes ever more pressing. The onion umbel bears numerous tiny flowers that are protandrous in nature. Hybrid breeding is limited in onion due to high inbreeding depression, tedious emasculation and lack of elite inbreds. In this quest for crop improvement, the phenomenon of male sterility stands out as a key tool in modern onion breeding. Male sterility, which is recognized as the incapacity to produce viable pollen grains, inhibition of anther dehiscence and production of non-functional male gametes, has been harnessed as a mechanism to control cross-pollination and escalating hybrid development. The successful utilization of stable male sterile lines in onion holds the promise of producing uniform, high-yielding and disease-resistant hybrids. In recent decades, scientific advances have illuminated the molecular intricacies underlying male sterility systems in onion. Much progress has been made in elucidating the regulation of male sterility systems in the post-genomics era. This review highlights the current status of molecular markers linked with male sterility and provides genetic and molecular insights into its regulation. Additionally, it discusses the role of male sterility as a transformative tool in onion breeding in the genomics era.
dc.description.peerreviewedSi
dc.identifier.citationChikh-Rouhou, H., Singh, S., Priyadarsini, S., & Mallor, C. (2025). Onion Male Sterility: Genetics, Genomics and Breeding. Horticulturae, 11(5), 539. https://doi.org/10.3390/horticulturae11050539
dc.identifier.doi10.3390/horticulturae11050539
dc.identifier.issn2311-7524
dc.identifier.urihttps://hdl.handle.net/10532/7634
dc.language.isoes
dc.publisherMDPI AG
dc.relation.citaSi
dc.relation.ispartofHorticulturae
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spainen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectAllium cepa
dc.subjectmale sterility systems
dc.subjectcytoplasmic-genic male sterility
dc.subjecthybrids
dc.subjectbreeding
dc.subject.agrovocAllium
dc.subject.agrovocEsterilidad masculina citoplásmica
dc.subject.agrovocProducto del cruzamiento
dc.subject.agrovocMejoramiento genético
dc.titleOnion Male Sterility: Genetics, Genomics and Breeding
dc.typetexto
dc.typerevista
dc.typeartículo
dc.typeartículo original
dc.type.hasVersionversión publicada
oaire.citation.issue5
oaire.citation.volume11

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