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East Timor as an important source of cashew (Anacardium occidentale L.) genetic diversity

2023-04Journal article Open access
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dc.contributor.authorGuterres, Lara
dc.contributor.authorBarnabé, João
dc.contributor.authorBarros, André
dc.contributor.authorCharrua, Alberto Bento
dc.contributor.authorDuarte, Maria Cristina
dc.contributor.authorRomeiras, Maria M.
dc.contributor.authorMonteiro, Filipa
dc.date.accessioned2024-01-17T14:57:33Z
dc.date.available2024-01-17T14:57:33Z
dc.date.issued2023-04
dc.description.abstractBackground. Cashew (Anacardium occidentale L.) is a crop currently grown in several tropical countries because of the economic importance of cashew nuts. Despite its enormous economic worth, limited research has been conducted on the molecular diversity of cashew genetic resources. In this study, a wide comprehensive assessment of the genetic diversity of cashew trees in East Timor was performed using microsatellites (SSRs) to evaluate intraspecific diversity and population structuring. Methods. A total of 207 individual cashew trees, including trees from East Timor (11), and outgroup populations from Indonesia (one) and Mozambique (two), were analyzed with 16 cashew-specific SSRs. A comprehensive sampling of cashew trees within East Timor was performed, covering the distribution of cashew orchards in the country. Genetic diversity indices were calculated, and population structuring was determined using three different approaches: genetic distances (UPGMA and NJ), AMOVA, and individual-based clustering methods through Bayesian (STRUCTURE) and multivariate (DAPC) analyses. Results. The population structuring analysis revealed that the genetic diversity of cashew populations in East Timor was higher in this study than previously reported for cashew trees. A higher allelic richness was found within cashew populations in East Timor compared with the outgroup populations (Mozambique and Indonesia), reinforced by the presence of private alleles. Moreover, our study showed that cashew populations in East Timor are grouped into two dissimilar genetic groups, which may suggest multiple cashew introductions over time. These new cashew genetic resources could be explored for future crop improvement. Conclusions. Crop diversity underpins the productivity, resilience, and adaptive capacity of agriculture. Therefore, this study provides useful information regarding genetic diversity and population structure that can be harnessed to improve cashew production in East Timor. This data is also important to creating a country-specific genetic cashew signature to increase cashew market value.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citatione Guterres L, Barnabé J, Barros A, Charrua AB, Duarte MC, Romeiras MM, Monteiro F. 2023. East Timor as an important source of cashew (Anacardium occidentale L.) genetic diversity. PeerJ 11:e14894pt_PT
dc.identifier.doi10.7717/peerj.14894pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/29857
dc.language.isoengpt_PT
dc.publisherPeerJpt_PT
dc.relationUID/AGR/04129/2020pt_PT
dc.relationUID/BIA/00329/2020pt_PT
dc.relationMelhoramento vegetal na produção agrobiotecnologica em clonagem na cultura in vitro e ex vitro: milho, tomate, alface, feijão, cana de açucar, laranja, morango e fabricação agroindustrial para competição no mercado. Título: Agroforestry system and cashew aultivation: strategies for a sustainable development in East Timor
dc.relationValue, management and sustainable use of biodiversity from Sofala Province in Mozambique:focus on coastal ecosystems Avaliação do impacto socioeconomico e ambiental da explorção artesanal de ouro na provincia de manica, Moçambique.
dc.relation.publisherversionhttps://peerj.com/pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectGenetic diversitypt_PT
dc.subjectSSRspt_PT
dc.subjectPopulation structuringpt_PT
dc.subjectSoutheast Asiapt_PT
dc.subjectDiversity hotspotspt_PT
dc.titleEast Timor as an important source of cashew (Anacardium occidentale L.) genetic diversitypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMelhoramento vegetal na produção agrobiotecnologica em clonagem na cultura in vitro e ex vitro: milho, tomate, alface, feijão, cana de açucar, laranja, morango e fabricação agroindustrial para competição no mercado. Título: Agroforestry system and cashew aultivation: strategies for a sustainable development in East Timor
oaire.awardTitleValue, management and sustainable use of biodiversity from Sofala Province in Mozambique:focus on coastal ecosystems Avaliação do impacto socioeconomico e ambiental da explorção artesanal de ouro na provincia de manica, Moçambique.
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F135358%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F135360%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FASP-AGR%2F0760%2F2020/PT
oaire.citation.startPagee14894pt_PT
oaire.citation.titlePeerJpt_PT
oaire.citation.volume11pt_PT
oaire.fundingStream3599-PPCDT
person.familyNameRomeiras
person.givenNameMaria
person.identifier520836
person.identifier.ciencia-id6A1C-085E-9038
person.identifier.orcid0000-0002-9373-6302
person.identifier.ridJ-4552-2013
person.identifier.scopus-author-id15842082800
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationa66d151c-8bfa-4f32-ba8e-b20f9870ba24
relation.isAuthorOfPublication.latestForDiscoverya66d151c-8bfa-4f32-ba8e-b20f9870ba24
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