Massive Induction ofStaphylococcus aureusUnstable L-Forms in a Liquid Medium
نویسندگان
چکیده
منابع مشابه
Isolation of L-forms of Bacillus subtilis which grow in liquid medium.
L-forms of Bacillus subtilis can be isolated by treatment of the parent strain sequentially with N-methyl-N'-nitro-N-nitrosoguanidine and lysozyme and selection of the surviving protoplasts on semisolid medium containing 2,000 units of penicillin per ml. Some of these clones can be adapted to grow in liquid cultures containing 1.2 m NaCl. This method will aid in the isolation of cell wall mutan...
متن کاملListeria monocytogenes L forms. I. Induction maintenance, and biological characteristics.
L forms were induced from 15 of 16 strains of Listeria monocytogenes on penicillin gradient plates incubated under aerobic conditions. The culture medium for maintenance of these L forms must contain an electrolyte in a concentration of 1% or sucrose in a concentration of 10%. The electrolytes NaCl, KCl, or MgSO(4) were used in both induction and maintenance media. Induction of L forms occurred...
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Utilizing the generalized factorization of twist-4 processes, we derive the modified heavy quark fragmentation function after considering the gluon radiation induced by multiple scattering in DIS. It is found that the mass effects of heavy quark may reduce the gluon formation time and change the medium size dependence of heavy quark energy loss. The radiative energy loss is also significantly s...
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Medium-induced gluon radiation from massless and massive quarks is treated in the same formalism. The dead cone which regulates gluon radiation from massive quarks in the vacuum at small angles, is filled in the medium but constitutes a small fraction of the available phase space. Our study indicates that the energy loss for charmed hadrons at RHIC should be smaller than for light hadrons, but ...
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ژورنال
عنوان ژورنال: Microbiology and Immunology
سال: 1986
ISSN: 0385-5600
DOI: 10.1111/j.1348-0421.1986.tb00943.x