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J.K. Lee

Publications of : J.K. Lee
Plant Genetics   Research Article

Genetic diversity and population structure analysis in Perilla frutescens from Northern areas of China based on simple sequence repeats

In this study, 21 simple sequence repeat (SSR) markers were used to evaluate the genetic diversity and population structure among 77 Perilla accessions from high-latitude and middle-latitude areas of China. Ninety-five alleles were identified with an average of 4.52 alleles per locus. The average polymorphic information content (PIC) and genetic diversity values wer.. Read More»

Genet. Mol. Res. 16(3): gmr16039746

DOI: 10.4238/gmr16039746

Plant Genetics   Research Article

Genetic analysis of seed-shattering genes in rice using an F3:4 population derived from an Oryza sativa x Oryza rufipogon cross

    S.-J. Kwon, J. Yu, Y.J. Park, J.-H. Son, N.-S. Kim and J.K. Lee

Seed shattering of wild plant species is thought to be an adaptive trait to facilitate seed dispersal. For rice breeding, seed shatter­ing is an important trait for improving breeding strategies, particularly when developing lines use interspecific hybrids and introgression of genes from wild species. We developed F3:4 recombinant inbred lines from an interspecific cross between Oryza sativ.. Read More»

Genet. Mol. Res. 14(1): 2015.February.13.14

DOI: 10.4238/2015.February.13.14

Human Genetics   Research Article

Morphological Variation of Perilla Crop and Their Weedy Types from Northern and Southern Areas of China

In this study, we detected the morphological variation of 91 Perilla accessions from Northern and Southern China by the measurement of 7 quantitative and 10 qualitative characters. The accessions of cultivated var. frutescens were significantly different from accessions of weedy var. frutescens and cultivated and weedy types of var. crispa in 7 quantitative traits s.. Read More»

Genet. Mol. Res. 16(4): gmr16039853

DOI: 10.4238/gmr16039853

Plant Genetics   Research Article

Genetic diversity, population structure, and association mapping of agronomic traits in waxy and normal maize inbred lines

    K.J. Sa, J.Y. Park, S.H. Choi, B.W. Kim, K.J. Park and J.K. Lee

Understanding genetic diversity, population structure, and linkage disequilibrium is a prerequisite for the association mapping of complex traits in a target population. In this study, the genetic diversity and population structure of 40 waxy and 40 normal inbred maize lines were investigated using 10 morphological traits and 200 simple sequence repeat (SSR) markers. Based on a population struc.. Read More»

Genet. Mol. Res. 14(3): 2015.July.3.26

DOI: 10.4238/2015.July.3.26

Plant Genetics   Research Article

Analysis of the genetic diversity of super sweet corn inbred lines using SSR and SSAP markers

    W.R. Ko1*, K.J. Sa1*, N.S. Roy3, H.-J. Choi2 and J.K. Lee1

In this study, we compared the efficiency of simple sequence repeat (SSR) and sequence specific amplified polymorphism (SSAP) markers for analyzing genetic diversity, genetic relationships, and population structure of 87 super sweet corn inbred lines from different origins. SSR markers showed higher average gene diversity and Shannon’s information index than SSAP markers. To assess geneti.. Read More»

Genet. Mol. Res. 15(1): gmr.15017392

DOI: 10.4238/gmr.15017392

Plant Genetics   Research Article

Bulk segregant analysis (BSA) for improving cold stress resistance in maize using SSR markers

    M.Q.U. Farooqi, K.J. Sa, T.K. Hong and J.K. Lee

In this study, eight inbred maize lines with high or low tolerance to cold temperature were investigated using bulk segregant analysis (BSA). Genetic diversity and genetic relationships were investigated using 100 simple sequence repeat (SSR) markers linked to cold tolerance in maize. A total of 319 alleles were identified. Among these, 128 were high coldtolerant-sp.. Read More»

Genet. Mol. Res. 15(4): gmr15049326

DOI: 10.4238/gmr15049326

Microbial Genetics   Research Article

Non-parental banding patterns in recombinant inbred line population of maize with SSR markers

    R.V. Ramekar, K.J. Sa, S.Y. Woo and J.K. Lee

We observed 3 types of non-parental banding patterns using simple-sequence repeat primers in a recombinant inbred line maize population developed from 2 inbred lines, Mo17 and KW7. We observed alleles that were not present in either of the parents, known as non-parental alleles. Although non-parental alleles are a consequence of genetic variation, they are less common in progenies derived from .. Read More»

Genet. Mol. Res. 14(3): 2015.July.28.9

DOI: 10.4238/2015.July.28.9