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연구보문 : 말레이시아의 약용식물 보존, 연구 및 활용현황
이석영 ( Sok Young Lee ),고호철 ( Ho Cheol Ko ),이영이 ( Young Yi Lee ),노나영 ( Na Young Ro ),성정숙 ( Jung Sook Sung ),이정로 ( Jung Ro Lee ),마경호 ( Kyung Ho Ma ),허윤찬 ( Yoon Chan Huh ),김정곤 ( Chung Kon Kim ),윤문섭 ( Mun 한국국제농업개발학회 2010 韓國國際農業開發學會誌 Vol.22 No.4
세계 12대 다양성 주요국가 중의 하나인 말레이시아는 식물의 다양성이 풍부한 나라로서 12,000여 관속 식물 중 10%인 1,200여 종이 약용식물로 분류되고 있다. 약용식물의 현지외 보존은 특성에 따라 각 기관에서 이루어지고 있으나, 말레이시아 산림연구소에서 가장 많이 보존하고 있는데 주요 약용식물 87종이 보존되고 있다. 보존 식물중에는 커리의 원료가 되는 Curcurma longa나 생강(Zingiber officinale) 등이 포함된 생강과가 10종으로 가장 많고, 그 다음이 대극과(Euphorbiaceae)로 Croton tiglium등 8종을 보존하고 있다. 보존 약용식물 중 67여 종이 이질치료에 사용되고 있으며, 37종은 열을 조절하는데, 25종은 피부병 치료에 사용되고 있는 반면 알러지, 마취제, 아메바성 이질, 항콜레라, 구토제, 괴혈병 치료에 이용되는 식물은 한 종류씩 만 보고되고 있다. 중요한 병인 류머티스 관절염에는 생강과의 Zingiber zerumbet 등 21종이 치료에 사용되고 있고, 항암에는 Leea indica 등 4종의 식물이 보고되고 있으며, 당뇨에는 Catharanthus roseus 등 6종이, 고혈압에는 Tacca integrifolia 등 2종이, 강장제로는 Zingiber ostensii 등 12종이 보고되고 있다. 현재 말레이시아에서의 약용 및 방향성 식물에 대한 연구는 약용식물의 화학성분, 생리활성 등에 강조되고 의약개발을 위한 생리활성물질연구에 중요성을 두고 있지만 실제적으로 약용식물관리의 기본이 되는 유전자원 보존, 재배, 생산물처리, 가공, 수확후 관리 기술, 표준화, 독성 및 이용성 등에 대한 연구는 많이 부족한 실정이다. Malaysia, being one of the 12 mega-diversity countries in the world, has rich plant diversity. Of the 12,000 species of vascular plants, 10% or approximately 1,200 species are reported to have medicinal properties. At the ex-situ conservation, the Forest Research Institute Malaysia(FRIM) keeps a total of 87 species of medicinal plants from the 78 genuses in 49 families. Among the 87 species of ex-situ collection at FRIM, the Zingiberaceae, which includes Cucurma longa, has the biggest collection with 10 species and the Euphorbiaceae, which includes Croton tiglium, was the second with 8 species. The other institute on ex-situ conservation is conducted in various state purposed. Among the medicinal plants conserved, a total of 67 species are used for curing dysentery, 37 species are for fever, 25 species are for skin disease while the other symptoms such as allergic, anaesthetic, anti-amoebic, anti-choleric, anti-emetic, anti-scorbutic, baldness, etc. has only one species. The majority of the current research on natural products and Medicinal & Aromatic Plants(MAP) has strengthened the basic understanding of many of the Malaysian species in terms of chemical profiles and biological activities. As well, a natural product research currently still places a lot of importance on bio-active components in relation to selected therapeutic targets and phytochemical screening. However, research is still very much lacking in MAP conservation, cultivation, product development, processing technology for raw materials, post harvest handling and technology, standardization, toxicology and efficacy.
녹두 유전자원 지방산 함량 대량평가를 위한 근적외선분광법의 적용
이영이 ( Young Yi Lee ),김정봉 ( Jung Bong Kim ),이석영 ( Sok Young Lee ),김민희 ( Min Hee Kim ),이정원 ( Jung Won Lee ),이호선 ( Ho Sun Lee ),고호철 ( Ho Cheol Ko ),현도윤 ( Do Yoon Hyun ),곽재균 ( Jae Gyun Gwag ),김정곤 ( Chung 한국식품영양학회 2010 韓國食品營養學會誌 Vol.23 No.4
본 연구에서는 녹두 유전자원의 지방산 함량을 신속 대량 검정하는 기술을 개발하여 유전자원 활용 및 육종 촉진에 기여하고자 하였다. 유전자원 평가에 적합한 신속하고 비파괴적인 지방산 함량 평가기술을 개발하기 위해 공시자원 1,125점의 녹두 종자를 종실상태와 분쇄한 분말상태로 근적외선분광분석기(NIR)를 이용하여 1,104~2,494 ㎚에서의 스펙트럼을 얻고 이들 중 스펙트럼이 중복되지 않는 원산지가 다양한 대표자원 106점을 선발하여 일반적인 방법으로 지방산 함량을 분석하고, 이 값과 NIR 스펙트럼 흡광도값 간의 상관분석을 위한 calibration set로 활용하였다. 그 결과 palmitic acid, stearic acid, oleic acid, linoleic acid, linolenic acid 및 total fatty acid에 대한 NIR 흡광도와의 상관 계수 R2이 각각 0.74, 0.18, 0.12, 0.72, 0.48 및 0.78로 나타났고, 이들 중 R2가 높은 검량식을 미지의 시료 10점으로 검증한 결과, palmitic, linoleic 및 total fatty acid에 대한 검증 상관계수 R2이 0.96, 0.74, 0.81로 나타나, 다양한 녹두 유전자원의 지방산함량 신속 대량 예측에 유효하게 활용될 수 있는 것으로 나타났다. 한편, 공시된 녹두 유전자원 115점 중에서 자원번호 IT208075 자원은 저 지방산 자원(14.24 ㎎g-1)으로 선발되었고, IT163279 자원은 고 지방산자원(18.43 ㎎g-1)으로 선발되어 향후 녹두작물의 성분육종에 유용할 것으로 생각된다.
DAMR-PCR 마커를 이용한 피 ( Echinochloa crus-galli) 유전자원 다양성 분석
송재영 ( Jae Young Song ),박기훈 ( Ki Hun Park ),조광민 ( Kwang Min Cho ),현도윤 ( Do Yoon Hyun ),이수경 ( Sukyeung Lee ),최유미 ( Yu Mi Choi ),박홍재 ( Hong Jae Park ),이석영 ( Sok Young Lee ),이명철 ( Myung Chul Lee ) 전북대학교 농업과학기술연구소 2014 농업생명과학연구 Vol.45 No.2
This study evaluated the effectiveness of directed amplification of minisatellite-region DNA (DAMD) markers in assessing polymorphism and relationships of 69 Echinochloa crus-gali accessions that preserved in the National Agrobiodiversity Center. Using these primers, a total of 113 bands were amplified, of which 65 polymorphic bands were discovered and the percentage of polymorphic bands (PPB) was 57.52%. SPAR profile data were scored for the computation of pairwise distances as well as a Neighbor Joining (NJ) tree of all the genotypes. From the profiles obtained with all the 12 primers considered together, 65 polymorphism bands were scored. The averaged values of gene diversity (HE) and polymorphism information content (PIC) for each DAMD marker were 0.213 and 0.179 within populations, respectively. The results indicate the low levels of the genetic diversity present amongst the genotypes. The 69 Echinochloa crus-galli germplasm accessions were divided into four different groups, and data analysis identified phenetic groups that were in agreement with those obtained according to agronomic traits and DAMD markers. The present results provide evidence of divergence between cultured and wild type barnyard grass. The cultured barnyard grass was seven accessions that had been cultivated in Korea and have been cultivating in India among the 69 Echinochloa crus-gali accessions. The selected seven accessions have thicker culm diameter and bigger seed size than the other groups, and is one of the putative germplasm resources to develop the new forage crop and phytoremediation.
이정윤 ( Jung Yoon Yi ),이석영 ( Sok Young Lee ),이호선 ( Ho Sun Lee ),이영이 ( Young Yi Lee ),전영아 ( Young Ah Jeon ),박홍재 ( Hong Jae Park ),김정곤 ( Chung Kon Kim ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.4
Genetic resources can be used through complementary ex situ and in situ conservation approaches organized at the local, national, and global levels. Genetic resources as defined in the Convention on Biological Diversity (CBD) refer to physical, tangible genetic materials as well as genetic information and knowledge. The Plant Genetic Resources Center (PGRC) was established at the Taiwan Agricultural Research Institute in 1993. To 2010, seed collections of 73,275 accessions are being conserved in long- and medium-term storage rooms. In field genebanks, collections and preservation of germplasm of fruit trees and medicinal plants include approximately 5,106 accessions and are being conserved in several repositories. As a complementary conservation, in vitro and cryopreservation have been carried out for the species endangered and hardly preserved in field. The extent of germplasm management is very critical to promote efficient utilization of genetic resources, especially local varieties or breeding lines. Action plans on risk management, safe conservation, species identification, crossing and better utilization of genetic resources for food and agriculture have been formulated to develop markets for various kinds of products. Efficient management and conservation of genetic resources are very important to ensure the present and future security of food and agriculture. As a co-worker in global efforts to conserve genetic resources, we look for greater benefits and responsibilities. Particularly, in point of global climate changes and food crises, actions are needed to equip and manage genetic resource conservation systems as an effective component of national and international food and agriculture security.
이정로 ( Jung Ro Lee ),백형진 ( Hyung Jin Baek ),최유미 ( Yu Mi Choi ),이석영 ( Sok Young Lee ),이기안 ( Gi An Lee ),정연주 ( Yeon Ju Jung ),김정곤 ( Chung Kon Kim ),이명철 ( Myung Chul Lee ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.5
China is a one of the largest agricultural countries in the world. China consumes around 12.5 billion kilograms of seeds each year. Suchhuge demand for seeds has made the Chinese seed market more and more attractive for investment. Through analysis on the present situation and existing problems of the seed industry in China and based on the current Chinese seed industry development, some future prospects for investments are indicated. This investigation was carried out to propose the appropriate strategies on the development of the Korea seed industry as it considers its entry into the China seed market as a new growth engine in the agricultural sector. The basic law regulating the Chinese seed industry is the PRC Seed Law that generally refers to the protection of germplasm resources, verification of varieties, seed quality issues, the import and export of seeds, seed administrative management, and various rights and obligations. The regulations were aimed at the protection of the rights concerning new varieties of plants. China has two main industry associations, the National Seed Association and the China Seed Industry IP Union, that are non-profit associations consisting of entities and people engaging in the seed scientific research, production, operation and management. The China National Seed Group Co., Ltd. ("Sino Seeds") is the market leader in China regarding the seed industry. The chinese government, however, encourages investment from multinational companies as well as importation of modern crop planting management technologies and equipment. It supports the entry of investors with proven experiences in breeding and germplasm resources expansion and R&D. There has never been a better time for multinational companies with proven seed industry experience to look at building relationships with the Chinese government and enterprises.
김정봉 ( Jung Bong Kim ),김민희 ( Min Hee Kim ),이영이 ( Young Yi Lee ),이호선 ( Ho Sun Lee ),이석영 ( Sok Young Lee ),김헌웅 ( Heon Woong Kim ),추상미 ( Sang Mi Chu ),백형진 ( Hyung Jin Baek ),조영숙 ( Young Sook Cho ),김재현 ( J 한국국제농업개발학회 2010 韓國國際農業開發學會誌 Vol.22 No.3
A methodological study was conducted to test the potential of near-infrared reflectance spectroscopy (NIRS) for the estimation of fatty acid composition and content in sesame seeds. A set of 3237 sesame lines, provided from the Rural Development Administration, were scanned by NIRS for their fatty acids. Calibration equations for the content of fatty acids were developed for the 122 lines of them by GC-FID(gas chromatography-flame ionization detector). Main fatty acids were palmitic acid(C(16:0), 8.5%), stearic acid(C(18:0), 5.7%), oleic acid(C(18:1), 39.3%), linoleic acid(C(18:2), 43.4%), and linolenic acid(C(18:3), 0.4%); the lowest and highest level were IT028899-7.2% and IT169359-10.0% in palmitic acid and IT028897-4.5%, IT028910-7.0% in stearic acid, IT170020-32.2% and IT156371-46.5% in oleic acid, IT156348-36.5 and IT169926-49.6% in linoleic acid, and IT169316-0.2% and IT156367-0.6% in linolenic acid, respectively. Determination of the fatty acid composition of seeds could be carried out successfully by using the spectra patterns of NIRS for both oleic and linoleic acids. As a result, oleic acid and linoleic acid compositions(% of total fatty acid) ranged from 25.8% to 49.2% and from 21.7% to 52.2%, respectively, in sesame seeds. Correlation(r²) between the percentage of oleic acid and linoleic acid was calculated in (-0.23).