ArticlePloS one2018
Diversity and population structure of red rice germplasm in Bangladesh.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed.
- Genetic variability, correlation and path coefficient analysis of phenotypic traits and genetic diversity of Aman rice landraces (Oryza sativa L.).Scientific reports · 2025Article
- Introgression among subgroups is an important driving force for genetic improvement and evolution of the Asian cultivated riceFrontiers in plant science · 2025Review
- Trait specific marker-based characterization and population structure analysis in rice (Oryza sativa L.) germplasm of Kashmir Himalayas.Molecular biology reports · 2023Article
- Article
- Multi-trait association study identifies loci associated with tolerance of low phosphorus in Oryza sativa and its wild relatives.Scientific reports · 2022Article
- Exploring of bacterial blight resistance in landraces and mining of resistant gene(s) using molecular markers and pathogenicity approach.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Assessment of the Genetic Structure and Diversity of Soybean (Plants (Basel, Switzerland) · 2021Article
- Functional Haplotypes and Evolutionary Insight into the Granule-Bound Starch Synthase II (Foods (Basel, Switzerland) · 2021Article
- Genome- wide structural and functional variant discovery of rice landraces using genotyping by sequencing.Molecular biology reports · 2020Article
- Genetic Architecture and Anthocyanin Profiling of Aromatic Rice From Manipur Reveals Divergence ofFrontiers in genetics · 2020Article
- The Genetic Basis and Nutritional Benefits of Pigmented Rice Grain.Frontiers in genetics · 2020Review
- Genetic Diversity, Population Structure, and Marker-Trait Association for Drought Tolerance in US Rice Germplasm.Plants (Basel, Switzerland) · 2019Article
- Variability Assessment for Root and Drought Tolerance Traits and Genetic Diversity Analysis of Rice Germplasm using SSR Markers.Scientific reports · 2019Article
- Genotyping for Blast (International journal of genomics · 2019Article
- Variability Assessment of Aromatic Rice Germplasm by Pheno-Genomic traits and Population Structure Analysis.Scientific reports · 2018Article
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Authors and funding
8 authors.
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Abstract
While the functionality and healthy food value of red rice have increased its popularity, such that market demand for it is expected to rise, most strains suffer from low grain yield. To perform diversity and population structure analyses of red rice germplasm, therefore, becomes essential for improving yields for commercial production. In this study, fifty red rice germplasm from the Bangladesh Rice Research Institute (BRRI) genebank were characterized both morphologically and genetically using fifty simple sequence repeat (SSR) markers. Overall, 162 alleles were detected by the markers with the detected allele number varying from two to seven. Additionally, 22 unique alleles were identified for use as a germplasm diagnostic tool. The highest and lowest polymorphic information content (PIC) indices were 0.75 and 0.04 found in markers RM282 and RM304, respectively, and genetic diversity was moderate, varying from 0.05 to 0.78 (average: 0.35). While phylogenetic cluster analysis of the fifteen distance-based agro-morphological traits divided the germplasm into five clusters (I, II, III, IV and V), a similar SSR analysis yielded only three major groups (I, II, and III), and a model-based population structure analysis yielded four (A, B, C and D). Both principal component and neighbors joining tree analysis from the population structure method showed the tested germplasm as highly diverse in structure. Moreover, an analysis of molecular variance (AMOVA), as well as a pairwise FST analysis, both indicated significant differentiation (ranging from 0.108 to 0.207) among all pairs of populations, suggesting that all four population structure groups differed significantly. Populations A and D were the most differentiated from each other by FST. Findings from this study suggest that the diverse germplasm and polymorphic trait-linked SSR markers of red rice are suitable for the detection of economically desirable trait loci/genes for use in future molecular breeding programs.
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