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S-643 A Case of Melioidosis Presenting as Activation of Latent Infection
( Hye In Jung ),( Jae Cheul Pi ),( Jae Seok Park ),( Sun Hyo Park ),( Won Il Choi ),( Won Mok Lee ) 대한내과학회 2016 대한내과학회 추계학술발표논문집 Vol.2016 No.1
Melioidosis is an infection caused by the facultative intracellular gram-negative bacterium, Burkholderia pseudomallei. It is endemic in Southeast Asia, Northern Australia and China, where Burkholderia pseudomallei is a widely distributed environmental saprophyte in soil and fresh surfaced water. The incubation period following inoculating injury ranges from 1 to 21 days. It presents as a febrile illness, ranging from an acute fulminant septicemia to a chronic debilitating localized infection. Infection with Burkholderia pseudomallei can be latent and subsequently activate, but this type of infection is rare. We report a case of activation of latent focus of Burkholderia pseudomallei infection, presenting as acute pyelonephritis 15 months after coming back from Vietnam and Cambodia. A 76-year-old man with lung cancer who received chemotherapy was hospitalized for fever. The computed tomography showed right acute pyelonephritis. Burkholderia pseudomallei was identified from the urine culture and DNA sequencing of 16S ribosomal RNA with 100% homology. The bacterium was sensitive to imipenem and tetracyclin but resistant to ceftazidime and trimethoprim/sulfamethoxazole on antimicrobial susceptibility test. The patient was treated with carbapenem and improved clinical feature. This is the first report of melioidosis presenting as activation of latent infection in Korea.
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한국 제주도 한란의 생태 진단에 기초한 보전 및 서식지 복원에 관한 연구
정지영 ( Jung Ji-young ),신재권 ( Jae-kwon Shin ),김한결 ( Han-gyeoul Kim ),변준기 ( Jun-gi Byun ),피정훈 ( Jung-hun Pi ),구본열 ( Bon-yeol Koo ),박정근 ( Jeong-geun Park ),서강욱 ( Gang-uk Suh ),이철호 ( Cheul-ho Lee ),손성원 ( S 한국수생태학회 2016 생태와 환경 Vol.49 No.1
Cymbidium kanran Makino is being threatened in its own habitats due illegal collecting and habitat changes by vegetation growth along historical landuse change. In this study, we established habitat restoration model for conservation of C. kanran based on ecological diagnosis. Through exploration to Jeju Island in 2014 and 2015, we identified 27 unknown habitats of C. kanran and in there, abiotic variables and vegetation structure and composition were quantified. Altitudinal distribution of C. kanran was between 200m ~700 m a.s.l. and compared to distribution in 2004, Area of Occupation (AOO) decreased at 82%. Specific habitat affinity was not observed by evenly found in mountain slope and valley and summergreen and evergreen broadleaved forests, but likely more abundant in valley habitats with higher soil and ambient moisture. Total of 96 individual of C. kanran was observed with an average density of 942.6 individuals ha<sup>-1</sup>. The plants showed relatively short leaf length (average=10.7 cm±1.1 cm) and small number of pseudo bulbs (1.2±0.2). Flowering and fruiting individuals were not observed in field. C. kanran was classified into endangered plant species as CR (Critically Endangered) category by IUCN criteria. Phenotypic plasticity of C. kanran was likely support to sustain in more shaded habitat environment and recent habatat changes to closed canopy and low light availability may exhibit negatively effects to C. kanran`s life history. Restoring C. kanran habitat should create open environment as grassland and low woody species density.
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