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넙치(Paralichthys olivaceus) 양식산업의 가치사슬 분석
김남리 ( Nam Lee Kim ),김혜성 ( Hye Seong Kim ),김도훈 ( Do Hoon Kim ),이남수 ( Nam Su Lee ),김신권 ( Shin Kwon Kim ),민병화 ( Byung Hwa Min ) 한국수산과학회 2023 한국수산과학회지 Vol.56 No.6
This study aimed to analyze the structure of the value chain of the olive flounder aquaculture industry to increase the value of this industry. Based on the value chain theory, olive flounder aquaculture industry activities were classified as primary and support activities. The primary activities included seed production, fish production, producer distribution, consumer distribution, and consumption. The support activities were production infrastructure, organization and specialization, R&D, and government policy. A survey was conducted on the costs of seed and fish production in the primary activities to investigate the business structure, and the distribution structure was analyzed to examine distribution costs and margins. In the support activities, the recent trends in R&D and government policy were mainly examined, based on which, a measure to reduce costs and maximize profits was suggested. It is necessary to reduce costs across the production processes by improving seed quality and reducing labor, feed, and management costs, which are strongly associated with support activities. Therefore, lowering costs will be possible in the olive flounder aquaculture industry when R&D outcomes, such as species development, feed quality improvement, and aquaculture system development, are stably diffused and applied in tandem with government policy regarding the industry.
무수치 상아질에서 Amelogenin gene 및 Short Tandem Repeat(STR) 유전좌위 F13A01, LPL 분석
김남리,윤창륙,김세연 大韓法醫學會 1998 대한법의학회지 Vol.22 No.1
Theoretically, if the odontoblastic layer on the pulpal surface of the dentin is removed, it is impossible to find nucleus after the teeth has undergone endodontic therapy. So dentin does not contain genomic DNA. But it is in existence the possibility that blood permeates into the dentin by endodontic therapy and trauma. Therefore DNA in blood can be detected from the dentin layer. The purpose of this investigation is to evaluate the possibility of individual identification after detection of DNA in the dentin of endodontic created teeth. The authors isolated the human DNA from 40 endodontic treated teeth, performed AmpFLPs by PCR and electrophoresed for detection of STR loci F13A01, LPL gene and X-Y homologous amelogenin gene. The following results were obtained: 1) DNA extraction was possible in 19 endodontic treated teeth out of 40. 2) Sex determination was possible in 12 endodontic treated teeth out of 40 by detection of X-Y homologous amelogenin gene 3) F13A01 locus was detected in 6 endodontic treated teeth out of 40, observed 4 alleles(3.2, 4, 5, 6) and 5 genotypes(3.2-3.2, 3.2-4, 3.2-5, 4-5, 6-6). 4) LPL locus was detected in 7 endodontic treated teeth out of 40, observed 3 alleles(10, 11, 12) and 3 genotypes(10-10, 10-12, 11-12). From the above results DNA extraction, sex determination, amplification of STR locus F13A01, and LPL gene were possible in the endodontic treated teeth and it was suggested that endodontic treated teeth were useful and applicatable as molecular biological samples for individual identification.