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호밀(Secale cereale L.)의 핵형분석과 rDNA의 Physical Mapping
이준수,서봉보,김민 한국육종학회 2010 한국육종학회지 Vol.42 No.2
본 실험은 곡류 작물중에서 육종의 소재로써 많은 장점을 지닌 호밀을 Gimsa C-분염법과 FISH기법을 이용하여 구성이질 염색질과 5S와 18S-26S rRNA 유전자의 염색체상의 위치를 확인하고자 본 실험을 수행하였다. 그 결과를 요약하면 아래와 같다. 1. C-분염의 분석 결과 7쌍의 호밀의 염색체 중에서 1, 2, 3과 7번 염색체는 중부염색체 이었고, 4, 5과 6번 염색체는 차중부염색체 이었다. 1번 염색체는 2차 협착부위로 동원체를 지니고 This study was carried out to determine the chromosomal localization of the 5S and 18S-26S ribosomal DNA(rDNA) genes by means of fluorescence in situ hybridization(FISH) techniques, and the constitutive heterochromatin detected by means of Gimsa C-banding technique in rye(Secale cereale L.). The somatic chromosomes number was 2n=14. The karyotype consists of four pairs of metacentrics(chromosomes 1, 2, 3, and 7) and three pairs of submetacentrics(chromosomes 4, 5, and 6). Secondary constrictions appeared in the short arm of chromosome 1. The 5S rDNA genes have been located on two pairs of chromosomes 1 and 5, and 18S-26S rDNAs genes have been located on one pair of chromosome 1. 5S rDNA genes were detected on the distal region of the secondary constrictions in nucleolus organizer regions(NOR) in chromosome 1, and other detected on the intercalary region in the short arm of chromosome 5.
목가공 업체의 생산설비 도입에 따른 대안평가에 관한 사례연구
이준수 대한설비관리학회 2004 대한설비관리학회지 Vol.9 No.3
This study is explored to evaluate the alternatives of the introduction of facility for wooden industry. So far economic analysis were mostly used to assess the economic factors. Recently, the computer simulation method has become an alternative way to evaluate the introduction of facility. Three alternatives are considered for constructing a manufacturing company. These alternatives were modeled and analysed by simulation and BEP analysis. The results of analysis method was used to compare the effectiveness of the alternatives.