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Seasonal Occurrences of Peach Pyralid Moth and Persimmon Fruit Moth in Persimmon Orchards
Hunsung Kim,Taegyun Kim,Yongjun Kwon,Sejin Kim,Joon-Ho Lee 한국응용곤충학회 2009 한국응용곤충학회 학술대회논문집 Vol.2009 No.05
This study was conducted to identify the seasonal occurrence patterns of peach pyralid moth, Dichocroscis punctiferalis (Guenee), and persimmon fruit moth, Satthmopoda masinissa Meyrick, in persimmon orchards in four different regions, Ulsan and Jinyeong in Gyeongsangbuk-do, and Naju and Yeongam in Jeollanam-do. Three pheromone traps (Delta trap, GreeAgro Tech) for each moth species were installed at each site and checked with 1 week intervals. Peach pyralid moth and persimmon fruit moth occurred in all four study sites. Two moth species exhibited two distinctive peaks, but there were some time differences in the peak among sites. Peach pyralid moth first occurred in late May to early June in Ulsan, Jinyeong and Naju but occurred in late July in Yeongam. Overall, the first peak appeared in mid- to late June but the time of the second peak varied widely among sites. Persimmon fruit moth first occurred in early to mid-June in Ulsan, Jinyeong and Naju but occurred in mid-May in Yeongam. The first peak appeared in mid- to late June in Ulsan, Jinyeong and Naju but it appeared in late May in Yeongam. The time of the second peak was around late August in the study sites except Ulsan where the second peak time was in late September.
Long-term monitoring program of Scotinophara lurida (Burmeister) and Paromius exiguus (Distant)
Hunsung Kim,Sejin Kim,Joon-Ho Lee 한국응용곤충학회 2009 한국응용곤충학회 학술대회논문집 Vol.2009 No.10
To find out the effect of global warming (long-term air temperature change) on insect population, we developed long-term monitoring program for Scotinophara lurida (Burmeister) and Paromius exiguus (Distant). The monitoring programs for these target insects are consisted of two main areas; Field monitoring and modelling of long-term population change. For the field monitoring, we conduct the survey of target insects on host plants, light trap monitoring, overwintering habitat sampling, and the monitoring of daily air temperature change. The field monitorings has been conducted for 10 and 4 years for S. lurida and P. exiguus, respectively. For the modelling of long-term population change, we have already developed basic phenology models for both insects. The developed phenology models are validated using yearly field sampling data and air temperature data. Environmental factors which could affect the populations of target insects are studied in laboratory to find out the magnitude of the effects. Based on the basic phenology models and parameters for newly found factors, long term population dynamics models for both insects will be developed.
Biodiversity of Arthropods between GM and non-GM Rice Field
SeungTae KIM,SueYeon LEE,HunSung KIM,ChangGyu PARK,SeJin KIM,MyungPyo JUNG,JoonHo-LEE 한국응용곤충학회 2008 한국응용곤충학회 학술대회논문집 Vol.2008 No.05
Biodiversity of arthropods in Cnaphalocrocis medinalis (Lepidoptera: Crambidae) resistant GM rice (CryIAc1) and non-GM rice fields. Sampling was conducted 15 times using sweeping net and electric aspirator. Biodiversity was analyzed with species richness and Shannon diversity index (H’). Total 28,275 arthropod individuals (12,413 in GM rice and 15,862 individuals in non-GM rice) were collected and there were 22 families, 34 genera and 36 species belonging to 8 orders. There were 19 families, 29 genera, 31 species in GM rice and 20 families 32 genera 34 species in non-GM rice fields. There was no significant difference in species richness and species diversity (H’) between GM and non-GM rice. Species diversity was significantly higher in non GM rice in the insect pest group only in middle and late of August .
Jongkook Jung,Seungtae Kim,Sooyeon Lee,Hunsung Kim,Myeong-Pyo Jung,Sejin Kim,Chang-Kyu Park,Eunhee Lee,Joon-Ho Lee 한국응용곤충학회 2009 한국응용곤충학회 학술대회논문집 Vol.2009 No.05
This study was conducted to explore if the ground beetle (Coleoptera: Carabidae) can be used as an indicator classifying habitat types. Thirteen land use types were selected as survey sites in Jeonju. Ground beetles were collected by 3 pitfall traps (15 cm diameter) for each site from June 20 to September 22, 2008. Pitfall traps were replaced at one month interval. Total 919 ground beetles of 31 species belonging to 17 genera were collected. Land use types were classified and ordinated by two-way indicator species analysis and detrended correspondence analysis. Land use types were classified and ordinated into two major groups, forest and non-forest, by Synuchus nitidus and Dolichus halensis. Two major groups were subdivided into 4 end groups; forest, riverside, upland and other sites. Other sites group including 4 sites; levee, public garden, outfield and manufacturing area were not coincided with land use types. Nevertheless, ground beetles appear to be used as indicators of habitat types.
Kim, Kiyoon,Kim, Hunsung,Jeong, Kwon,Jung, Min Hyung,Hahn, Bum-Soo,Yoon, Kyung-Sik,Jin, Byung Kwan,Jahng, Geon-Ho,Kang, Insug,Ha, Joohun,Choe, Wonchae Rapid Science Publishers ; Kluwer Academic Publish 2012 Apoptosis Vol.17 No.8
<P>Cyclophilin, a cytosolic receptor for the immunosuppressive drug cyclosporin A, plays a role in diverse pathophysiologies along with its receptor, CD147. Although the interaction between cyclophilin A and CD147 is well established in inflammatory disease, that of cyclophilin B (CypB) with CD147 has not been fully explored, especially in cancer cell biology, and the exact molecular mechanism underlying such an association is poorly understood. In this study, we first identified high expression levels of CypB in 54 % of hepatocellular carcinoma patient tissues but in only 12.5 % of normal liver tissues. Then, we demonstrated that CypB overexpression protects human hepatoma cells against oxidative stress through its binding to CD147; this protective effect depends on the peptidyl prolyl isomerase activity of CypB. siRNA-mediated knockdown of CypB expression rendered hepatoma cells more vulnerable to ROS-mediated apoptosis. Furthermore, we also determined that a direct interaction between secreted CypB and CD147 regulates the extracellular signal-regulated kinase intracellular signaling pathway and is indispensible for the protective functions of CypB. For the first time, we demonstrated that CypB has an essential function in protecting hepatoma cells against oxidative stress through binding to CD147 and regulating the ERK pathway.</P>
JEONG, KWON,KIM, KIYOON,KIM, HUNSUNG,OH, YOOJUNG,KIM, SEONG-JIN,JO, YUNHEE,CHOE, WONCHAE Spandidos Publications 2015 Oncology letters Vol.9 No.6
<P>Hypoxia is an important form of physiological stress that induces cell death, due to the resulting endoplasmic reticulum (ER) stress, particularly in solid tumors. Although previous studies have indicated that cyclophilin B (CypB) plays a role in ER stress, there is currently no direct information supporting the mechanism of CypB involvement under hypoxic conditions. However, it has previously been demonstrated that ER stress positively regulates the expression of CypB. In the present study, it was demonstrated that CypB is transcriptionally regulated by hypoxia-mediated activation of transcription factor 6 (ATF6), an ER stress transcription factor. Subsequently, the effects of ATF6 on CypB promoter activity were investigated and an ATF6-responsive region in the promoter was identified. Hypoxia and ATF6 expression each increased CypB promoter activity. Collectively, these results demonstrate that ATF6 positively regulates the expression of CypB by binding to an ATF6-responsive region in the promoter, which may play an important role in the attenuation of apoptosis in the adaption to hypoxia. These results suggest that CypB may be a key molecule in the adaptation of cells to hypoxic conditions.</P>
몽골 울란바토르시 게르촌 주택의 겨울철 실내 초미세먼지(PM 2.5 ) 농도의 시간적 변이
이보람(Boram Lee),이지영(Jiyoung Lee),장예림(Yelim Jang),김윤지(Yoonjee Kim),하헌성(Hunsung Ha),이우석(Wooseok Lee),최우석(Wooseok Choe),김규성(Kyusung Kim),우철운(Cheolwoon Woo),Chimedsuren Ochir,이기영(Kiyoung Lee) 한국환경보건학회 2018 한국환경보건학회지 Vol.44 No.1
Objectives: In Mongolian housing, they use coal as a fuel for indoor heating and cooking. The combustion of coal releases particulate matter, which can affect indoor air quality. The purpose of this study was to analyze the concentrations of indoor PM 2.5 Methods: In this study, indoor PM 2.5 concentrations, temperature and humidity in houses were measured by a real-time PM monitor, while the time activity patternsof the residents were also observed. Results: The correlation between factors that may affect the indoor air quality was analyzed.The indoor PM 2.5 concentrations were 178.4±152.7 µg/m 3 (n=37). Five types of indoor PM 2.5 concentrations have been classified, which were associated with indoor activity. The stove type, fuel types and indoor activities such as cleaning, cooking and opening the stoves were not significantly associated with indoor PM 2.5 levels. Conclusions: Further study is needed to determine the effect of stove type through 24hours of indoor air quality monitoring.