http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Lactococcus garvieae 의 새로운 용원성파아지
박경현(Kyun Hyun Park),실하청방(Kiyokuni Muroga),정현도(Hyun Do Jeong) 한국어병학회 1998 한국어병학회지 Vol.11 No.2
Temperate phages were effectively induced from presumptive lysogenized cells of 96 strains out of 111 strains of L. garvieae No. 44 strains (phage type B) as the host cell. Similar cultures in distilled water-based TSB did not induce lytic infection in these cells. These temperate phages were also effectively induced by ultraviolet irradiation. All phages isolated were lytic only to L. garvieae No. 44 strain and the lytic nature was different from those of PLgY, PLgW, and PLgS. The virions appeared extracellularly after 1h of induction culture and increased in number until reaching the maximum of 10^6 PFU/㎖ after 12h. This phage production was lower than that (10^(10) PFU/㎖) of the virulent phage.
나일 틸라피아에 대한 질병예방제 및 면역보조제로서의 PS-K 효과 분석
허성회(Sung Hoi Huh),박경현(Kyun Hyun Park),정현도(Hyun Do Jeong),하재이(Jai Yi Ha),허민도(Min Do Huh) 한국어병학회 1997 한국어병학회지 Vol.10 No.1
A protein-bound polysaccharide preparation, PS-K, isolated from Coriolus versicolor was evaluated for its ability to enhance resistance against Edwardsiella tarda, causal agent of classical edwardsiellosis in tilapia, Oreochromis niloticus. Fish treated with a dose rate of 0.1 ㎎ PS-K g^(-1) body weight were challenged by intraperitoneal injection of E. tarda with different concentrations. Against low burdens of injections(1.2×10^7 and 12 ×10^8 cfu/fish), PS-K treated fish did not show any mortality compared to 50% and 100% mortality of control groups, respectively. However there was no increase of resistance against challenge with high concentrations of E. tarda (1.2×10^9 and 1.2×10^(10)cfu /fish) except few days delaying of death. Tilapia injected with PS-K one day after intraperitoneal inoculation of E tarda(1.2×10^7 cfu/fish) showed 100% survival rate compared to control group of 50% survival rate. The result indicates the potential of PS-K as a prophylactic agent in aquaculture. The increased antibody response in fish received PS-K one week prior to FKC administration suggested the influence of PS-K on the specific humoral immunity and increased resistance against bacterial infection.