嘧啶二聚体修复和小的酸溶性芽孢蛋白缺陷的枯草芽孢杆菌菌株芽孢的抗紫外线能力降低。
Decreased UV light resistance of spores of Bacillus subtilis strains deficient in pyrimidine dimer repair and small, acid-soluble spore proteins.
作者信息
Setlow B, Setlow P
机构信息
Department of Biochemistry, University of Connecticut Health Center, Farmington 06032.
出版信息
Appl Environ Microbiol. 1988 May;54(5):1275-6. doi: 10.1128/aem.54.5.1275-1276.1988.
Abstract
Loss of small, acid-soluble spore protein alpha reduced spore UV resistance 30- to 50-fold in Bacillus subtilis strains deficient in pyrimidine dimer repair, but gave only a 5- to 8-fold reduction in UV resistance in repair-proficient strains. However, both repair-proficient and -deficient spores lacking this protein had identical heat and gamma-radiation resistance.
摘要
在嘧啶二聚体修复缺陷的枯草芽孢杆菌菌株中，小的酸溶性芽孢蛋白α的缺失使芽孢的紫外线抗性降低了30至50倍，但在修复能力正常的菌株中，紫外线抗性仅降低了5至8倍。然而，缺乏这种蛋白质的修复能力正常和缺陷的芽孢具有相同的耐热性和γ辐射抗性。
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