Linking breadfruit cultivar names across the globe connects histories after 230 years of separation

Audi, Lauren; Shallow, Gordon; Robertson, Erasto; Bobo, Dean; Ragone, Diane; Gardner, Elliot M.; Jhurree-Dussoruth, Babita; Wajer, Jacek; Zerega, Nyree J. C.

doi:10.1016/j.cub.2022.12.001

Cited by 3 publications

(2 citation statements)

References 53 publications

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“…Furthermore, previous studies using SSR markers reported that A. altilis triploids, regardless of current distribution, and hybrids of A. altilis × A. marianensis were shown to belong to one genetic lineage and consist of a single genotype [22,24]. Also, although there have been several attempts, studies on breadfruit characterization have been unable to separate Caribbean triploids from triploids in Eastern Polynesia [22,24,26]. The diversity of breadfruit accessions in the Caribbean may reflect both its historical genetic base and the selection of types based on distinct sociocultural phenomena in this region [11].…”

Section: Discussionmentioning

confidence: 99%

“…A further 50 new microsatellite loci were characterized in Artocarpus altilis (Moraceae) and two congeners to increase the number of available markers for genotyping breadfruit cultivars using next-generation sequencing [25]. Next-generation sequencing (NGS) was also used along with phylogenetic reconstruction of breadfruit lineage to attempt a match of breadfruit cultivars in the Caribbean with existing Polynesian types [26].…”

Section: Introductionmentioning

confidence: 99%

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Microsatellite Sequence Polymorphisms Reveals Substantial Diversity in Caribbean Breadfruit [Artocarpus altilis (Parkinson) Fosberg] Germplasm

Daley,

Alleyne,

Roberts-Nkrumah

et al. 2024

Horticulturae

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Breadfruit [Artocarpus altilis (Parkinson) Fosberg] is recognized as a tropical fruit tree crop with great potential to contribute to food and nutrition security in the Caribbean and other tropical regions. However, the genetic diversity and germplasm identification in the Caribbean and elsewhere are poorly understood and documented. This hampers the effective conservation and use of the genetic resources of this tree crop for commercial activities. This study assessed the genetic identity, diversity, ancestry, and phylogeny of breadfruit germplasm existing in the Caribbean and several newly introduced accessions using 117 SNPs from 10 SSR amplicon sequences. The results showed that there was high and comparable genetic diversity in the breadfruit germplasm in the Caribbean, and the newly introduced breadfruit accessions were based on nucleotide diversity (πT) 0.197 vs. 0.209, respectively, and nucleotide polymorphism (θW) 0.312 vs. 0.297, respectively. Furthermore, the existing Caribbean breadfruit accessions and the newly introduced breadfruit accessions were statistically genetically undifferentiated from each other (p < 0.05). Ancestry and phylogeny analysis corroborated the genetic relatedness of these two groups, with accessions of these groups being present in both main germplasm clusters. This suggests that the existing Caribbean breadfruit germplasm harbors a higher level of genetic diversity than expected.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Microsatellite Sequence Polymorphisms Reveals Substantial Diversity in Caribbean Breadfruit [Artocarpus altilis (Parkinson) Fosberg] Germplasm

Daley,

Alleyne,

Roberts-Nkrumah

et al. 2024

Horticulturae

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Crop diversity: Breadfruit’s checkered past bears fruit for food security

Riggins

2023

Current Biology

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Microsatellite Sequence Polymorphisms Reveals Substantial Diversity in Caribbean Breadfruit [<em>Artocarpus altilis </em>(Parkinson) Fosberg] Germplasm

Daley,

Alleyne,

Roberts-Nkrumah

et al. 2024

Preprint

View full text Add to dashboard Cite

Breadfruit [Artocarpus altilis (Parkinson) Fosberg] is recognized as a tropical fruit tree crop with great potential to contribute to food and nutrition security in the Caribbean and other tropical regions. However, the genetic diversity and identification of germplasm in the Caribbean and elsewhere is not well understood and documented. This hampers the effective conservation and use of the genetic resources of the tree crop for commercial activities. This study assessed the genetic identity, diversity, ancestry, and phylogeny of breadfruit germplasm existing in Caribbean and recently introduced accessions using 117 SNPs from 10 SSR amplicon sequences. The results showed that there was high genetic diversity in the breadfruit germplasm in the Caribbean, as well as the newly introduced breadfruit accessions based on nucleotide diversity (π_T) and nucleotide polymorphism (θ_W). Furthermore, based on these measures of genetic diversity, there were no significant differences between existing Caribbean breadfruit accessions and newly introduced breadfruit accessions which are known to be highly diverse. Ancestry and phylogeny analysis corroborated the genetic relatedness of these two groups with accessions of these groups being present in both main germplasm clusters. This suggests that the existing Caribbean breadfruit germplasm harbors a higher level of genetic diversity than expected.

show abstract

Linking breadfruit cultivar names across the globe connects histories after 230 years of separation

Cited by 3 publications

References 53 publications

Microsatellite Sequence Polymorphisms Reveals Substantial Diversity in Caribbean Breadfruit [Artocarpus altilis (Parkinson) Fosberg] Germplasm

Microsatellite Sequence Polymorphisms Reveals Substantial Diversity in Caribbean Breadfruit [Artocarpus altilis (Parkinson) Fosberg] Germplasm

Crop diversity: Breadfruit’s checkered past bears fruit for food security

Microsatellite Sequence Polymorphisms Reveals Substantial Diversity in Caribbean Breadfruit [<em>Artocarpus altilis </em>(Parkinson) Fosberg] Germplasm

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