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The Altruistic Self in Walt Whitman's Drum-Taps
조규택 한국영미어문학회 2004 영미어문학 Vol.- No.73
This paper is to research the altruistic self in Walt Whitman's Civil War poetry and prose. Whitman wrote, "The real war will never get in the books" in his prose. From the Civil War, he described the war fought by miserable, individual soldiers, as well as heroic scenes. Whitman refers to each soldier's harsh and wretched situation based on his personal observations of field hospitals and camps. In this situation, Whitman's prideful self changed significantly from a self-centered view to a selfless view. The Civil War throughly provides Whitman with the discovery of selfless self. It means that Whitman's altruistic self develops more universal ideals, so the Civil War was the fountain where Whitman realized altruism. After the Civil War, his altruistic self as seen in his poetry demonstrates his developed and matured view of self. That is to say, Whitman's self-centeredness moves to a selfless altruistic self.Therefore, this thesis is to identify Whitman's Drum-Taps into three categories: the self-centered self of prewar and early war, selfless self during the Civil War, and transcendental self after the assassination of President Lincoln and in the spirit of the dead soldiers. By suffering the Civil War, Whitman found divinity in the crucified sons of God instead of the resurrected self as God's son, and he found the symbol of eternal and transcendental self. Whitman formed his altruistic self which felt pity and sympathy toward others through such a harsh war. Finally, Whitman demonstrated his newfound altruism in his poetic works.
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조규택,이영이,최수산나,이정윤,이기안,고호철,나영왕,박홍재,마경호,곽재균 한국국제농업개발학회 2016 韓國國際農業開發學會誌 Vol.28 No.2
Sesquiterpene lactones (SLs) are a group of over 500 compounds, characteristic of the Asteraceae. They are interesting from the chemical and chemotaxonomic point of view, and show antitumour, anti-leukaemic, anti-cardiovascular disease, reduction of inflammation, and anti-microbial activities. The SLs, free lactucin and lactucopicrin, content in 572 accessions of lettuce (Lactuca sp.) germplasm introduced from 30 countries were quantified using high-performance liquid chromatography. Variation range of free lactucin content exhibited trace ~ 235.3 μg from 1g of dried leaves and average was 41.2 ± 1.2 μg (Avr ± SE), variation range 55.0 ~ 3,041.0 μg and average 526.9 ± 17.5 μg in free lactucopicrin content, and variation range 66.3 ~ 3,188.5 μg and average 568.1 ± 18.1 μg in total free SLs content. Lactucopicrin occupied 92.7% of the total SLs content. Among the varietal types, crisphead type exhibited the highest average total free SLs content, next is leaf lettuce, and butterhead type lettuce exhibited the lowest that of content. German accessions exhibited the lowest average total free SLs content, Korean accessions exhibited the highest, and European origin accessions exhibited lower that of content. Red leaf color accessions having higher SLs content than that of green color. Seven accessions having more than 2,000 μg·g-1 dwt of total free SLs content and five accessions having less than 100 μg·g- 1dwt that of content. These accessions can be used as low SLs content cultivar breeding or high SLs content cultivar breeding sources as well as research materials for medical treatment such as, anti-tumour, anti-leukaemic, and antimicrobial activities, etc.
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Genetic Diversity and Population Structure of Korean Soybean Landrace [Glycine max (L.) Merr.]
조규택,이정란,Jung-Kyung Moon,윤문섭,백형진,Jung-Hoon Kang,Tae-San Kim,백남천 한국작물학회 2008 Journal of crop science and biotechnology Vol.11 No.2
Two hundred and sixty Korean soybean landrace accessions were analyzed for polymorphism at 92 simple sequence repeat (SSR) loci. The 995 identified alleles served as raw data for estimating genetic diversity and population structure. The number of alleles at a locus ranged from three to 27 with a mean of 10.4 alleles per locus. FST values estimated by analysis of molecular variance (AMOVA) using SSR data set were 0.018, 0.027, and 0.016 for usage, collection site and maturity groups, respectively, indicating little genetic differentiation. The model-based clustering analysis placed the accessions into three clusters (K = 3) with 0.0503 of FST, indicating moderate genetic differentiation. Duncan's Multiple Range Test at K = 3 on the basis of 18 quantitative traits revealed that one cluster was mainly differentiated from the other two clusters by seed related traits and the other two clusters were differentiated from each other by biochemical traits. Genetic structure of Korean soybean landraces was differentiated by model-based clustering and supported by their phenotypic traits in part. This preliminary study could be the first step towards more efficient germplasm management and utilization of soybean landraces and helpful in association studies between genotypic and phenotypic traits in Korean soybean landraces. Two hundred and sixty Korean soybean landrace accessions were analyzed for polymorphism at 92 simple sequence repeat (SSR) loci. The 995 identified alleles served as raw data for estimating genetic diversity and population structure. The number of alleles at a locus ranged from three to 27 with a mean of 10.4 alleles per locus. FST values estimated by analysis of molecular variance (AMOVA) using SSR data set were 0.018, 0.027, and 0.016 for usage, collection site and maturity groups, respectively, indicating little genetic differentiation. The model-based clustering analysis placed the accessions into three clusters (K = 3) with 0.0503 of FST, indicating moderate genetic differentiation. Duncan's Multiple Range Test at K = 3 on the basis of 18 quantitative traits revealed that one cluster was mainly differentiated from the other two clusters by seed related traits and the other two clusters were differentiated from each other by biochemical traits. Genetic structure of Korean soybean landraces was differentiated by model-based clustering and supported by their phenotypic traits in part. This preliminary study could be the first step towards more efficient germplasm management and utilization of soybean landraces and helpful in association studies between genotypic and phenotypic traits in Korean soybean landraces.
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Development of a Core Set of Korean Soybean Landraces [Glycine max (L.) Merr.]
조규택,Mun-Sup Yoon,이정란,백형진,강정훈,김태산,백남천 한국작물학회 2008 Journal of crop science and biotechnology Vol.11 No.3
A total of 2,765 accessions were used as the initial set having both seed coat color and 100-seed weight data. As a result of molecular profiling using six SSR markers followed by stratification based on their usages, 335 accessions (12.1%) were selected by clustering based on UPGMA. Since 75 out of 335 accessions were mixed in phenotypic traits as a result of characterization, 260 accessions were finally set as a core set. This core set revealed nearly the same diversity compared with the other results on morphological traits of Korean soybean landraces. In total, 115 alleles (19.2 alleles per locus) were detected in the initial set and 79 alleles (13.2 alleles per locus) were detected in the core set. All 30 major alleles were present in the initial set and in the core set as well. In allele coverage, the core set was 71.4% of the initial set. These comparisons of number of alleles, gene diversity and coverage indicated that the core set represented the entire set well. A total of 2,765 accessions were used as the initial set having both seed coat color and 100-seed weight data. As a result of molecular profiling using six SSR markers followed by stratification based on their usages, 335 accessions (12.1%) were selected by clustering based on UPGMA. Since 75 out of 335 accessions were mixed in phenotypic traits as a result of characterization, 260 accessions were finally set as a core set. This core set revealed nearly the same diversity compared with the other results on morphological traits of Korean soybean landraces. In total, 115 alleles (19.2 alleles per locus) were detected in the initial set and 79 alleles (13.2 alleles per locus) were detected in the core set. All 30 major alleles were present in the initial set and in the core set as well. In allele coverage, the core set was 71.4% of the initial set. These comparisons of number of alleles, gene diversity and coverage indicated that the core set represented the entire set well.
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