http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Recent Progress in Lichen Research in Korea ?from Taxonomic Study to Environmental Application
허재선,강의성,김민진,오순옥,강형일,김현우,정재성,고영진 한국식물병리학회 2004 Plant Pathology Journal Vol.20 No.1
Lichen is one of the most widely distributed eucaryotic organisms in the world. Lichen is the result of a symbiotic association between two unrelated organisms - a fungus and an alga (or cyanobacterium). In USA, Japan and European countries, there has been a resurgence of interest in lichens as source of novel, pharmacologically active molecules during the last 20 years. However, lichen researches in Korean lichens were mainly focused on investigation of Korean lichen flora and most of them were primitive and short-term based projects until 1990s. In this communication, general introduction of lichens was attempted to draw the attention of Korean researchers to Korean lichen bioresource. Research activities on Korean lichens during the past were also summarized. Recent progress in Korean lichen research is briefly discussed with emphasis of KoLRI (Korean Lichen Research Institute) activities and roles in national researches projects on bioresource development in Korea.
Distribution of Lichen Flora on South Korea
허재선,Hiroshi Harada,Soon-Ok Oh,Kwang-Mi Lim,Eui-Sung Kang,Seung Mi Lee,Hyung-Yeel Kahng,Hyun-Woo Kim,Jae-Sung Jung,Young Jin Koh 한국미생물학회 2004 The journal of microbiology Vol.42 No.2
After an overview on the temporary situation of the lichenology in South Korea, localities of 95 macrolichen taxa are reported for South Korea. In this revised lichen flora of South Korea, 16 species are apparently new to the territory. Voucher specimens have been deposited in the Korean Lichen Research Institute (KoLRI) at Sunchon National University in Korea, and duplicates have also been donated to the National History Museum and Institute, in Chiba, (CBM) Japan.
Highland Macrolichen Flora of Northwestern Yunnan, China
허재선,Li-Song Wang,Soon-Ok Oh,Gyoung Hee Kim,Kwang-Mi Lim,Jae-Sung Jung,Young Jin Koh 한국미생물학회 2005 The journal of microbiology Vol.43 No.3
Fifty-six species in 36 genera of acrolichens are reported from the Zhongdian area, northwest Yunnan,China during the lichenological expedition for highland macrolichen survey in June, 2004. More than 60% of these species have not been reported in South Korea. All of the 182 collected specimens are deposited in the Korean Lichen Research Institute (KoLRI) at Sunchon National University in Korea, and some of them are duplicated in the lichen herbarium, Crytogamic Herbarium, Kunming Institute of Botany, Academia Sinica (KUN-L) in China. This is the first report on the macrolichen flora in the visited areas.
Inhibitory Effects of Atmospheric Ozone on Magnaporthe grisea Conidia
허재선,고영진,김정아,MinjinKim 한국식물병리학회 2002 Plant Pathology Journal Vol.18 No.1
rice blast pathogen, Magnaporthe grisea, were investigated to evaluate ozone-induced effects on infection potential of the rice blast fungus. Acute ozone exposure (200 nl l-1, 8 h day-1, 3 days) during sporulation significantly affected conidial morphology, appressorium formation, and disease development on rice leaves. Ozone caused reduction in conidial size and change in conidial shape. Relative cytoplasmic volume of lipids and vacuoles were increased in ozone-exposed conidia. Inhibition of appressorium formation and simultaneous increase in endogenous level of polyamines were found in ozone-exposed conidia. The inverse relationship between appressorium formation and level of polyamines implies that ozone-mediated increase in intracellular level of polyamines may inhibit appressorium formation in rice blast fungus. Furthermore, rice plants inoculated with ozone-fumigated conidia exhibited less severe disease development than those with unfumigated conidia. This result suggests that the anti-conidial consequence of acute ozone will eventually weaken the rice blasts potential for multiple infection cycle. This further suggests that consequently, rice blast can be transformed from an explosive disease to one that has limited epidemiological potential in the field.
Isolation,Cultivation,and Antifungal Activity of a Lichen-Forming Fungus
허재선,김혜진,임광미,고영진 한국식물병리학회 2003 Plant Pathology Journal Vol.19 No.2
A lichen-forming fungus was successfully isolated by discharged spore method from Korean lichen (Heterodermia sp.) and cultivated in pure culture. The isolate JR0012 inhibited mycelial growth of several plantpathogenic fungi. Mycelial growth of the four Pythium spp. tested was completely inhibited. Potato dextrose broth was found to be the medium favorable for largescale production of antibiotics from the isolate. Antifungal substances produced in axenic culture were partially purified. This is the first report in Korea of lichen-forming fungus successfully isolated and which exhibited strong antifungal activity against plant-pathogenic fungi, especially the four Pythium spp..