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김창국,추상호,박한용,서정환,김백기,이길응,고희종,진중현 한국육종학회 2017 Plant Breeding and Biotechnology Vol.5 No.4
Supplying sufficient rice to growing populations is a global challenge. Hybrid indica rice varieties exploiting heterosis have increased yields, but inter-subspecific crosses between indica and japonica varieties are hampered by sterility. Examination and genetic understanding of yield heterosis in indica/japonica crosses addressing yield barriers are basic requirements. In this study, QTLs for heterosis of yield traits were identified in indica-japonica recombinant inbred lines (RILs) using a total of 178 RILs originating from Dasanbyeo (indica) × TR22183 (japonica) (DT-RILs) and their backcrossed populations. Nine of sixty-six major quantitative trait loci (QTLs) identified in DT-RILs exhibited heterosis. Heterosis QTLs clustered with other traits on chromosomes 1, 4, and 8, and clusters were conserved between different RILs. The clusters contained several known yield enhancement genes/QTLs. Specific heterotic allele combinations contributed to four major heterosis QTLs, particularly for panicle and spikelet number traits. Heterosis for yield and yield-related traits was explained by the harmonized effects of overdominance, dominance, and epistatic interactions in inter-subspecific breeding populations.
김창국 한국주거학회 2003 한국주거학회 논문집 Vol.14 No.4
The purpose of the study is to propose the basic data for an aged residential building suitable for Korean environment and it is based on the outcomes of investigation on The Aged Care Residential Service in Australia including the scale and arrangement of private zone and specific characteristics of each compartment. The brief outcomes of the research are follows as. - The Aged Care Residential Services have been functionally running divided into Nursing home, Hostel and Retirement Village by the classification standard of the residential classification scale. - Single bed rooms have 75% of total residential area and the square of single bed room is about and that of two-bed room is about . - There are two types of ensuite such as one single-bed room and one ensuite and bed room for two or three persons and ensuite type. The square of ensuite varies as single is 50∼60%, single for public is 25∼30%, and double for public is 15∼20%. - Assisted bathrooms are generally located in the middle of building and it is suggested to be occupied about per person. Sitting rooms are two types such as room type whose square has about and a lounge type has .
전문대학 건축설계 · 제도교육의 개선방안에 관한 연구 : 산업기사 실기시험 분석을 중심으로
김창국,최성형 대한건축학회 1999 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.19 No.2
The purpose of this study is to propose a practical methods and contents of a architecture education and effective program make an analysis for the test paper of the industry technician test. 1. Needs to the systematic study for closely educational connected with the technical bight school between junior college and college 2. There is needs to political improvement that Industry technician test do not have effection to the design education. 3. The technician test paper have to gives a clear desired, unification of a length, use the standard language and do not duplication, of the questions.
김창국,한장호,지현소 한국농업정보과학회 2003 농업정보과학 Vol.4 No.1
Bioinformatics is believed to be a powerful measure to change agricultural biotechnology. Basic and applied researches related to bioinformatics have been extensively and intensively performed in universities, research institutes and in industries. Many countries recognized the importance of bioinformatics for the development of biotechnology and established national programs. Korea government also recognized this and recently launched a funding program to structure national wide research networks among government research organizations, research institutes and universities. National Agricultural Biotechnology Information Center (NABIC), Biological Research Information Center (BIUC), Center for Computational Biology & Bioinformatics (CCBB) had been established as national system centers of leading the bioinformatics in 21th century. The center has been constructed of networks for national planning, cooperation and have extensive national research projects by industry-college-institute consortium. Through there programs, research capacity increase for agricultural biotechnology and crop variety development will be achieved.
Computational identification of Chinese cabbage anthocyaninspecific genes
김창국,김진아,Shoshi Kikuchi,최지원,김용갑,박현주,설영주,박동석,한장호,김용환 한국바이오칩학회 2011 BioChip Journal Vol.5 No.2
Therefore, 3,895 candidate genes related to anthocyanin biosynthesis in Chinese cabbage were identified using a 300K Brassica rapa microarray analysis. Gene expression during six stages of leaf developmental stages were examined in FC (green leaf) and FA(red leaf) Chinese cabbage cultivars. The 317 transcription factor genes found to be associated with anthocyanin were classified into 11 functional groups. The ratio of expression levels of each transcription factor between the two cultivars was examined during the six leaf developmental stages. A total of 14 genes were found to be expressed in all developmental stages commonly. Among these genes, 10 unknown and hypothetical genes were differentially revealed to be expressed between the two cultivars at each developmental stage, as determined by microarray analysis, and were verified by RT-PCR validation. These genes most likely play regulatory roles in either anthocyanin production or metabolism during flavonoid biosynthesis. While these genes require further validation and characterization, our results illustrate the potential usefulness of this multi-layered screening method using Chinese cabbage (Brassica rapa) microarrays.