Evidence map›Paper›PMID 41898834›Full record

ArticleGenes2026

Genetic Diversity and Collection Structure Studies of Sesame (

Feyisa Bejiga Gelashe, Arsénio D Ndeve, Temesgen M Menamo, Harish Gandhi, Rogério M Chiulele

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Genes, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Feyisa Bejiga GelasheDepartment of Crop Production, Faculty of Agronomy and Forestry Engineering, Eduardo Mondlane University, 3453 Avenida Julius Nyerere, Maputo P.O. Box 257, Mozambique.ORCID 0000-0002-4882-7416
Arsénio D NdeveDepartment of Crop Production, Faculty of Agronomy and Forestry Engineering, Eduardo Mondlane University, 3453 Avenida Julius Nyerere, Maputo P.O. Box 257, Mozambique.
Temesgen M MenamoDepartment of Plant Science and Horticulture, College of Agriculture and Veterinary Medicine, Jimma University, Jimma P.O. Box 307, Ethiopia.
Harish GandhiDryland Legumes and Cereals Program, International Maize and Wheat Improvement Center (CIMMYT), ICRAF House, United Nations Avenue, Nairobi P.O. Box 1041-00621, Kenya.
Rogério M ChiuleleDepartment of Crop Production, Faculty of Agronomy and Forestry Engineering, Eduardo Mondlane University, 3453 Avenida Julius Nyerere, Maputo P.O. Box 257, Mozambique.

Funding

Centre of Excellence in Agri-Food Systems and Nutrition (CE-AFSN) of Eduardo Mondlane University, Mozambique, under the World Bank-African Center of Excellence (ACE) II Funded Project Programme and International Maize and Wheat Improvement Center (CIMMYT) It's a scholarship don't have a grant number.
6 · The paper itself

Abstract

BACKGROUND/

objectivesDespite its economic importance, the genome-wide genetic diversity of sesame germplasm conserved in the Ethiopian national ex situ collection, a proposed center of origin, remains inadequately characterized. This study assessed genome-wide genetic diversity and population structure in 188 sesame accessions from six Ethiopian Agricultural Research Centers using DArTSeq-based SNP markers.

methodsAfter quality filtering, 5163 high-quality markers were retained from the original set of 12,302 SNPs. Mean expected heterozygosity (He = 0.201) exceeded observed heterozygosity (Ho = 0.193), reflecting sesame's predominantly self-pollinating nature.

resultsThe SNPs showed a transition/transversion ratio of 1.17:1 and an uneven distribution across 16 linkage groups. STRUCTURE, PCA, DAPC, and neighbor-joining cluster analyses revealed a clear hierarchical population structure with distinct clusters and varying admixture. Accessions from Assosa (AARC) and Bako (BARC) were genetically uniform, whereas Werer (WARC) and Gambella (GaARC) were major diversity reservoirs, exhibiting high heterozygosity and gene diversity. Pairwise FST values ranged from 0.001 to 0.356, and AMOVA indicated that 30-43% of variation occurred among collections and 57-70% within collections, highlighting substantial intra-collection diversity.

conclusionsThe findings highlight that specific research centers were identified as key sources of genetic variation for breeding, conservation, and association mapping to enhance the improvement in agronomic and adaptive traits in sesame for the Ethiopian sesame gene pool.

Indexed as

Genetic VariationPolymorphism, Single NucleotideSesamumEthiopiaGenome, PlantPhylogenycluster analysiscollection diversitycollection structureDArTSeqGBSgenetic diversityPCASesamum indicum L.SNP markers

Identifiers

PMID41898834
PMCPMC13026398

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.