从黑线鳕组织中分离出的抗辐射、色素沉着球菌。

RADIATION-RESISTANT, PIGMENTED COCCUS ISOLATED FROM HADDOCK TISSUE.

作者信息

DAVIS N S, SILVERMAN G J, MASUROVSKY E B

出版信息

J Bacteriol. 1963 Aug;86(2):294-8. doi: 10.1128/jb.86.2.294-298.1963.

DOI:10.1128/jb.86.2.294-298.1963

PMID:14058955

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC278422/

Abstract

Davis, Norman S. (Massachusetts Institute of Technology, Cambridge), Gerald J. Silverman, and Edmund B. Masurovsky. Radiation-resistant, pigmented coccus isolated from haddock tissue. J. Bacteriol. 86:294-298. 1963.-An orange-brown, catalase-positive coccus was isolated from irradiated haddock. The new coccus was found to consist of rough and smooth strains as well as strains possessing appreciably less pigment. The smooth strain (248) was more radioresistant to gamma radiation than the rough strain, and at higher radiation doses was of comparable resistance to Micrococcus radiodurans. The less-pigmented strain was as radio-resistant as its parent strain (248). Although morphologically similar to other, but less-resistant, micrococci, the coccus differed by growing slowly on solid media, and was unable to grow in 7% salt. It was distinguished from M. radiodurans by being smaller in size and in being capable of reducing nitrate to nitrite and hydrolyzing gelatin.

摘要

戴维斯，诺曼·S.（麻省理工学院，剑桥），杰拉尔德·J.西尔弗曼，以及埃德蒙·B.马苏罗夫斯基。从黑线鳕组织中分离出的抗辐射、色素沉着球菌。《细菌学杂志》86:294 - 298。1963年。——从经辐照的黑线鳕中分离出一种橙褐色、过氧化氢酶阳性的球菌。发现这种新球菌由粗糙型和光滑型菌株以及色素明显较少的菌株组成。光滑型菌株（248）对γ辐射的抗性比粗糙型菌株更强，在较高辐射剂量下，其抗性与耐辐射微球菌相当。色素较少的菌株与其亲本菌株（248）的抗辐射能力相同。尽管这种球菌在形态上与其他抗性较弱的微球菌相似，但它在固体培养基上生长缓慢，且不能在7%的盐溶液中生长，以此与其他微球菌相区别。它与耐辐射微球菌的区别在于体积较小，能够将硝酸盐还原为亚硝酸盐并水解明胶。