scholarly journals The database of genetic resources in the VIR winter rye collection as a means of classification of genetic diversity, analysis of the collection history and effective study and preservation

2019 ◽  
Vol 23 (6) ◽  
pp. 780-786 ◽  
Author(s):  
I. V. Safonova ◽  
N. I. Anis’kov ◽  
V. D. Kobylyansky
Keyword(s):  
Genetic Diversity ◽  
Genetic Resources ◽  
Winter Rye ◽  
Diversity Analysis ◽  
Genetic Diversity Analysis ◽  
Collection History

Genetic Diversity Analysis of Korean Peanut Germplasm Using 48 K SNPs ‘Axiom_Arachis’ Array and Its Application for Cultivar Differentiation

2021 ◽  
Author(s):  
Rizwana Begum Syed Nabi ◽  
Kwang-Soo Cho ◽  
Rupesh Tayade ◽  
Ki Won Oh ◽  
Myoung Hee Lee ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Genetic Resources ◽  
Association Studies ◽  
Diversity Analysis ◽  
Genome Wide Association Studies ◽  
Genotype Distribution ◽  
Genetic Diversity Analysis ◽  
Genetic Base ◽  
Cultivated Peanut ◽  
Improvement Programs

Abstract Cultivated peanut (Arachis hypogaea) is one of the important legume oilseed crops. Cultivated peanut has a narrow genetic base. Therefore, it is necessary to widen its genetic base and diversity for additional use. The objective of the present study was to assess the genetic diversity and population structure of 96 peanut genotypes with 9478 high-resolution SNPs identified from a 48K ‘Axiom_Arachis’ SNP array. Korean set genotypes were also compared with a mini-core of US genotypes. These sets of genotypes were used for genetic diversity analysis. Model-based structure analysis at K = 2 indicated the presence of two subpopulations in both sets of genotypes. Phylogenetic and PCA analysis clustered these genotypes into two major groups. However, clear genotype distribution was not observed for categories of subspecies, botanical variety, or origin. The analysis also revealed that current Korean genetic resources lacked variability. These results suggest that Korean genetic resources need to be expanded by creating new allele combinations and widening the genetic pool to offer new genetic variations for Korean peanut improvement programs. High-quality SNP data generated in this study could be used for identifying varietal contaminant, QTL, and genes associated with desirable traits by performing mapping, genome-wide association studies.

scholarly journals Genetic diversity analysis of Korean peanut germplasm using 48 K SNPs ‘Axiom_Arachis’ Array and its application for cultivar differentiation

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Rizwana Begum Syed Nabi ◽  
Kwang-Soo Cho ◽  
Rupesh Tayade ◽  
Ki Won Oh ◽  
Myoung Hee Lee ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Genetic Resources ◽  
Association Studies ◽  
Diversity Analysis ◽  
Genome Wide Association Studies ◽  
Genotype Distribution ◽  
Genetic Diversity Analysis ◽  
Genetic Base ◽  
Cultivated Peanut ◽  
Improvement Programs

AbstractCultivated peanut (Arachis hypogaea) is one of the important legume oilseed crops. Cultivated peanut has a narrow genetic base. Therefore, it is necessary to widen its genetic base and diversity for additional use. The objective of the present study was to assess the genetic diversity and population structure of 96 peanut genotypes with 9478 high-resolution SNPs identified from a 48 K ‘Axiom_Arachis’ SNP array. Korean set genotypes were also compared with a mini-core of US genotypes. These sets of genotypes were used for genetic diversity analysis. Model-based structure analysis at K = 2 indicated the presence of two subpopulations in both sets of genotypes. Phylogenetic and PCA analysis clustered these genotypes into two major groups. However, clear genotype distribution was not observed for categories of subspecies, botanical variety, or origin. The analysis also revealed that current Korean genetic resources lacked variability compared to US mini-core genotypes. These results suggest that Korean genetic resources need to be expanded by creating new allele combinations and widening the genetic pool to offer new genetic variations for Korean peanut improvement programs. High-quality SNP data generated in this study could be used for identifying varietal contaminant, QTL, and genes associated with desirable traits by performing mapping, genome-wide association studies.

scholarly journals Promoting Utilization of Saccharum spp. Genetic Resources through Genetic Diversity Analysis and Core Collection Construction

PLoS ONE ◽  
2014 ◽  
Vol 9 (10) ◽  
pp. e110856 ◽  
Author(s):  
Spurthi N. Nayak ◽  
Jian Song ◽  
Andrea Villa ◽  
Bhuvan Pathak ◽  
Tomas Ayala-Silva ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Genetic Resources ◽  
Core Collection ◽  
Diversity Analysis ◽  
Saccharum Spp ◽  
Genetic Diversity Analysis
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