61 research outputs found
Identification of Genetic Factors Controlling Multiple-flower per node in Pepper (Capsicum spp.)
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κ³Όνλν μλ¬Όμμ°κ³ΌνλΆ(μμκ³Όνμ 곡),2019. 8. κ°λ³μ² .Flowering is enormously important in all crops, serving as the foundation for yield and increased profits. Capsicum annuum has a sympodial shoot structure with a solitary flower. In contrast, C. chinense produce multiple-flower per node. C. annuum is the most widely cultivated species which account for 80% of world pepper production. Therefore, identifying genes controlling multiple flowers and transferring the multiple flowering trait from C. chinense to C. annuum may be potentially useful to increase fruit yield. In this study, we performed two experiments to identify the genetic factors controlling the multiple-flower per node character in Capsicum. To find the quantitative trait loci (QTL) controlling multiple flowering, 85 recombinant inbred lines (RILs) between C. annuum TF68 and C. chinense Habanero were used. Average flower numbers of the first to sixth nodes with three replicates of each line was collected. A high density molecular genetic map was constructed by using genotyping by sequencing (GBS) technique. A total of 10,851 SNP markers on 12 chromosomes were converted to bin markers to construct a high-density linkage map. The map covered a total length of 1,713 cM with a mean bin marker distance of 0.96 cM. QTL analysis identified four novel QTLs on chromosome 1, 2, 7 and 11 for multiple-flower per node trait, accounting for 65% total phenotypic variation. To validate and clarify the detected QTLs, genome-wide association study was performed. A total of 276 C. annuum-clade accessions, including 98 C. annuum, 66 C. chinense, 67 C. frutescens and 45 Capsicum spp. were used. Genotyping was performed with GBS method and after filtering the SNPs, a total of 156,589 highly reliable SNPs were selected for association study. Genome-wide association analysis revealed that a total of 28 QTL regions were significantly associated with multiple-flower per node. Among the QTLs, three were collocated with the QTL region detected in the biparental population. In the QTL regions, we identified five candidate genes involved in the development of shoot and flower meristem for controlling multiple-flower per node in pepper. These results will contribute to understand multiple-flower per node character in Capsicum and will be useful for developing high yield cultivars.INTRODUCTION 1
LITERATURE REVIEW 4
Multiple-flower per node trait in Capsicum 4
Inflorescence development in Solanaceous species 5
High-throughput genotyping by sequencing 6
Quantitative trait analysis 7
MATERIALS AND METHODS 9
Plant materials 9
Phenotypic data collection and shoot apical meristem imaging 11
Genomic DNA and RNA extraction 11
Construction of genotyping-by-sequencing libraries 12
Data analysis for GBS and identification of SNPs 13
Bin map construction for the biparental population 13
QTL analysis for multiple-flower per node trait 14
Genome-wide association study for multiple-flower per node trait, population 15
structure and haplotype block estimation 15
Candidate gene prediction and sequence variation analysis 15
SCAR Marker development for candidate gene 17
RESULTS 18
Phenotypic variation of multiple-flower per node trait 18
Phenotypic variation of shoot apical meristem development 21
Bin map of biparental population 25
QTL mapping for multiple-flower per node 31
SNPs filtering and haplotype blocks analysis of GWAS population 36
GWAS for multiple-flower per node trait 40
Prediction of candidate genes control multiple-flower per node trait 44
Confirmation of QTL and GWAS analysis 46
Sequence variation of candidate genes 50
DISCUSSION 51
REFERENCES 56
ABSTRACT IN KOREAN 62
APPENDIX 64Maste
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Όλ¬Έ (μμ¬)-- μμΈλνκ΅ λνμ : λ―Έμ λν νλκ³Όμ λ―Έμ κ²½μ, 2019. 2. κΉμ§μ½.It is difficult for the blind to enjoy art exhibitions. This is because many artworks at art museums are based on visual information. In particular, without any assistive tools or education programs for them, the barrier the blind encounter when they want to visit art museums grows bigger.
To solve this problem, this research aims to develop methods to improve art museum access for the blind. To improve both the number of blind visitors and the quality of blind visitor experiences, this research mainly suggests two solutions. Firstly, art museum should provide a variety of assistive tools for the blind. Next, art museum should offer education programs made for the blind.
For the development of the solutions, this thesis analyzes merits and demerits of various assistive tools and defines previously unclear concepts regarding some tools. Also, based on the solutions, this research develops and presents museum education program for National Museum of Modern and Contemporary Art, Seoul Museum of Art, and Leeum, Samsung Museum of Art.
In chapter 1, this study presents the different types of blindness and their characteristics. Then, by looking into the blind peoples number of art museum visit, it analyzes the current situation.
In chapter 2, this research deals with varied assistive tools for the blind or the visually impaired. In section 1, this thesis studies wearable devices for the blind which can help the blind appreciate artworks. Specifically, this study analyzes Relumino, a virtual reality application developed by Samsung. Also, it examines devices from abroadOrcam My reader and Orcam MyEye, by conducting research on their development, price and strengths and weaknesses.
In section 2, this study deals with the assistive tools making use of tactile sensation. Firstly, it suggests producing 3D models using 3D printing technique. For this, this study explains the production process of 3D printing, and analyzes advantages and disadvantages of different techniques. Next, this thesis conceptualizes tactile painting, categorizing it into bas relief/collage/assemblage tactile painting. Then, it also talks about tactile diagram, which makes it easier to recognize artworks through editing. Specifically, this thesis introduces swell paper method and embossing method. After that, this study examines Braille print. For example, it compares perforation, UV print, and waterdrop print methods.
In section 3, this research suggests assistive tools for blind peoples art museum experience using auditory sense. Firstly, it analyzes audio guide, suggesting the introduction of Beacon technology, locating visitors location. Also, this study suggests information audio guide should include. Then, it also proposes gallery talk which allows two-way communication. On top of that, this study suggests descriptive video service for media art. It also talks about the making process of the service and some rules to follow.
In chapter 3, this thesis aims to apply the tools aforementioned to the cases of art museums in South Korea. For this, it firstly conducts research on the cases of foreign art museums. Then, it moves on to Korean cases, checking out the existing problems so it could develop better solution. Then, the thesis develops education programs for National Museum of Modern and Contemporary Art, Seoul Museum of Art, and Leeum, Samsung Museum of Art. In conclusion, this thesis summarizes the result of the study, and mentions additional suggestions for the future.
All in all, this study presents a broad range of assistive tools art museums can offer for the blind and develops education programs for the blind that art museums in South Korea can provide. Overall, it not only complements previous research but reflects current situation regarding the matter in South Korea, hoping to improve art museum visit of the blind.μ₯μ λ‘ μΈν΄ μκ°μ μ 보λ₯Ό νλνκΈ° μ΄λ €μ΄ μκ°μ₯μ μΈμ΄ λ―Έμ μ μλ¬Ένλ₯Ό ν₯μ νλ λ°μλ λ§μ μ΄λ €μμ΄ λ°λ₯Έλ€. λ―Έμ κ΄μ μ μλ λλ€μμ λ―Έμ νλ€μ μκ°μ μ 보μ κΈ°λ°μ λκ³ μκΈ° λλ¬Έμ΄λ€. νΉν, μκ°μ₯μ μΈμ μν 보쑰기ꡬλ νλ‘κ·Έλ¨μ΄ λ―ΈλΉν κ²½μ°, μκ°μ₯μ μΈμ λ―Έμ κ΄ κ΄λμ λν μ₯λ²½μ λμ± κ°μ€λλ€.
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Abstract 170Maste
ν©μ±ν΅μ λ°©λ²λ‘ μ μ΄μ©ν ννμ± μμΉ κΈ°λ°μ μμ‘° λ°°λΆ: λ―Έμλ§μ λ€ν μ¬λ‘λ₯Ό μ€μ¬μΌλ‘
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νμ 곡, 2016. 8. μ΄μμ.This paper will discuss key related concepts of equity and suggest how equity-based needs assessment can be and should be formally incorporated into aid policies of South Korea. Specifically, the empirical analysis will be conducted to address the following research questions: does the current distribution of development aid satisfy the equity standard? If not, what kind of factors could prevent recipient countries from receiving the equitable share of the aid? In this paper, the two types of aggregate-level incidentsβeconomic sanctions and civil wars. As such, countries for the case studies in this paper will be drawn from a pool of Koreas Priority Recipient Countries in Asia. Specifically, the effects of Myanmars economic sanctions and Nepals civil war on each countrys net ODA will be analyzed, using the synthetic control method. Overall, based on theoretical discussions about equity and suggestions for how to build equity standards into ODA policy-making process, I will provide more specific estimation process for South Koreas ODA appropriation.I. Introduction 1
1.1. South Korea as a donor country 1
1.2. Case Selection 2
1.3. Current Standards of Aid Allocation 5
II. Literature Review 7
2.1. Understanding Efficiency, Equality, and Equity 7
2.2. Economic Sanctions: Myanmar 15
2.3. Civil War: Nepal 18
2.4. Review of Methodological Approaches 21
III. Conceptual Framework 26
IV. Analysis: The Synthetic Control Method 28
4.1. Myanmar 28
4.2. Nepal 34
V. Results 37
5.1. Myanmar 37
5.2. Nepal 44
VI. Discussion & Recommendation 48
6.1. Myanmar 52
6.2. Nepal 48
6.3. Policy Recommendation 56
VII. Conclusion 61
References 65Maste
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Όλ¬Έ(μμ¬) --μμΈλνκ΅ λνμ :κ΅μ¬νκ³Ό,2008.Maste
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Thesis(doctoral)--μμΈλνκ΅ λνμ :μνκ³Ό ν΄λΆνμ 곡,2004.Docto
(A)Study on the civic educational effects of political participation : focused on the formation of legal-consciousness, tolerance, and efficacy
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Exploratory Research of Knowledge Capital Measurement in Korea Stock Market
Many studies on definition or measurement of intellectual capital are published, but most
studies have not focused on market value/book value ratio. In Korea, the differences exist
between market value and book value. Thus we must investigate the reasons which influence
the differences between market value and book value. This study thus tries to overcome the
shortcomings of previous studies by introducing firm characteristics perspective and intrinsic
value perspective, and investigates the reasons which influence the differences between
market value and book value in Korea stock market.
And this research designs an exploratory research model, consisting of independent
variables and market value/book value ratio as a dependent variable. Independent variables
are firm size, type of industry, type of stock market, net profits per stock, etc. Survey data of
this study were obtained from 423 firms in Korea stock market including KOSDAQ market.
Major research method are ANOVA, t-test, correlation, regression, multiple regression.
Major findings are as follows; first, market value/book value ratio in KOSDAQ is greater
than in Korea stock exchange market, second, market value/book value ratio is different by
the type of industry, third, correlation coefficient between firm size and market value/book value ratio shows -0.37308, and finally firm characteristics values and intrinsic value variables
can explain 40.92% of the variance of market value/book value ratio
Exploring the New Paradigm of Korean Management in the Era of New Millenium Environment
Korean firms are confronted with new challenges and crises resulting from the
hyperturbulent and chaotic environments, especially 3C, 4T, diversity, the rise of ecommerce.
They must search for new management paradigms for surviving and overcoming
these cataclysmic threats. In line with this, this paper has been written to provide a contextual
introduction to the topic with four main categories: (1) investigating the past dominant
paradigm of Korean management; (2) searching the emergent paradigms; (3) exploring
several criteria to evaluate existent paradigms; and (4) exploring the new paradigm of Korean
management in the era of new millenium environment.
Seven criteria to evaluate the existent several paradigms are (1) complexity and variety, (2)
heterarchy, (3) holographic, (4) indeterminate, (5) mutual causality, (6) morphogenesis, (7)
perspectival. And the old paradigm was the quantity-oriented paradigm, but the knowledge
management paradigm will be the new millenium paradigm of Korean management.
To establish the knowledge management paradigm, (1) to search the evaluative criteria of
knowledge or intellectual capital, (2) to form the knowledge sharing culture, (3) and to
enhance the knowledge creating ability, are needed
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