نتایج جستجو برای: lethal effect

تعداد نتایج: 1678148  

Journal: :Journal of bacteriology 1968
P B Hamilton D Huisingh

Eleven strains of the crown gall organism, Agrobacterium tumefaciens, tested by intraperitoneal injection into mice, were lethal within 48 hr. Five other species had some lethal strains. The lethal effect of A. tumefaciens appeared to be the result of a toxic rather than an infectious process, since histopathological anomalies were not found in mice injected with live cultures and since heat-ki...

Journal: :Genetics 1986
F C Janca E P Woloshyn D Nash

Of 24 ethyl methanesulphonate-induced, recessive-lethal mutations in the region 9E1-9F13 of the X chromosome of Drosophila melanogaster, eight fall into a typically homogeneous lethal complementation group associated with the raspberry (ras) locus. Mutations in this group have previously been shown to be pleiotropic, affecting not only ras but also two other genetic entities, gua 1 and pur 1, w...

Journal: :Infection and immunity 1999
K Tanamoto

Lipopolysaccharide (LPS) obtained from Porphyromonas gingivalis was found to exhibit marked lethal toxicity in galactosamine-sensitized C3H/HeJ mice. Although no lethality was observed in mice intraperitoneally challenged with 1 mg of P. gingivalis LPS without galactosamine, when they were sensitized with 30 mg of galactosamine, challenge with 1 and 10 micrograms of LPS resulted in 67 and 100% ...

2016
Hui Young Lee Hyun-Jin Tae Geum-Sil Cho In Hye Kim Jeong Hwi Cho Joon Ha Park Ji Hyeon Ahn Bai Hui Chen Bich-Na Shin Moo-Ho Won Chan Woo Park Jun Hwi Cho Jeong Yeol Seo Jae-Chul Lee

OBJECTIVES In the present study, we investigated the effect of ischemic preconditioning (IPC) on c-myb immunoreactivity as well as neuronal damage/death after a subsequent lethal transient ischemia in gerbils. MATERIALS AND METHODS IPC was subjected to a 2 min sublethal ischemia and a lethal transient ischemia was given 5 min transient ischemia. The animals in all of the groups were given rec...

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