ArticleBMC plant biology2018
Population structure, genetic diversity and downy mildew resistance among Ocimum species germplasm.
Article in BMC plant biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Genetic Diversity and Population Structure Analysis of Hoary Basil (Ocimum americanum L.) Germplasm From Burkina Faso Using Simple Sequence Repeat (SSR) Markers.TheScientificWorldJournal · 2026Article
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- Treasures Induced by Narrow-Spectrum: Volatile Phenylpropanoid and Terpene Compounds in Leaves of Lemon Basil (Plants (Basel, Switzerland) · 2025Article
- Article
- Exploring genetic diversity and population structure inFrontiers in plant science · 2024Article
- Phenotypic Variations and Bioactive Constituents among SelectedPlants (Basel, Switzerland) · 2023Article
- Highly Efficient CRISPR/Cas9 Mediated Gene Editing inPlants (Basel, Switzerland) · 2023Article
- Development of Diagnostic Markers and Applied for Genetic Diversity Study and Population Structure ofJournal of fungi (Basel, Switzerland) · 2023Article
- Phenotypic, chemical component and molecular assessment of genetic diversity and population structure of Morinda officinalis germplasm.BMC genomics · 2022Article
- CRISPR-Editing of Sweet Basil (Frontiers in genome editing · 2021Article
- CRISPR/Cas9-mediated mutagenesis of sweet basil candidate susceptibility gene ObDMR6 enhances downy mildew resistance.PloS one · 2021Article
- Efficient targeted mutagenesis in allotetraploid sweet basil by CRISPR/Cas9.Plant direct · 2020Article
- Article
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Authors and funding
5 authors.
Funding
Abstract
backgroundThe basil (Ocimum spp.) genus maintains a rich diversity of phenotypes and aromatic volatiles through natural and artificial outcrossing. Characterization of population structure and genetic diversity among a representative sample of this genus is severely lacking. Absence of such information has slowed breeding efforts and the development of sweet basil (Ocimum basilicum L.) with resistance to the worldwide downy mildew epidemic, caused by the obligate oomycete Peronospora belbahrii. In an effort to improve classification of relationships 20 EST-SSR markers with species-level transferability were developed and used to resolve relationships among a diverse panel of 180 Ocimum spp. accessions with varying response to downy mildew.
resultsResults obtained from nested Bayesian model-based clustering, analysis of molecular variance and unweighted pair group method using arithmetic average (UPGMA) analyses were synergized to provide an updated phylogeny of the Ocimum genus. Three (major) and seven (sub) population (cluster) models were identified and well-supported (P < 0.001) by PhiPT (Φ
conclusionsHigh levels of genetic diversity support the observed phenotypic diversity among Ocimum spp. accessions. EST-SSRs provided a robust evaluation of molecular diversity and can be used for additional studies to increase resolution of genetic relationships in the Ocimum genus. Elucidation of population structure and genetic relationships among Ocimum spp. germplasm provide the foundation for improved DM resistance breeding strategies and more rapid response to future disease outbreaks.
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