缺乏100 kDa毒素基因的球形芽孢杆菌新的高毒性杀蚊菌株。
New high-toxicity mosquitocidal strains of Bacillus sphaericus lacking a 100-kilodalton-toxin gene.
作者信息
Liu J W, Hindley J, Porter A G, Priest F G
机构信息
Institute of Molecular and Cell Biology, National University of Singapore.
出版信息
Appl Environ Microbiol. 1993 Oct;59(10):3470-3. doi: 10.1128/aem.59.10.3470-3473.1993.
Five new high-toxicity mosquitocidal strains of Bacillus sphaericus were isolated in Singapore. They all belong to phage group 8 and have binary toxin (51.4- plus 41.9-kDa) genes located on the chromosome but lack a 100-kDa-toxin gene. These strains of B. sphaericus constitute a new subgroup, as only two weakly toxic strains in phage group 8 have previously been described and all the known high-toxicity strains have both binary toxin and 100-kDa-toxin genes.
在新加坡分离出了5株新的高毒性球形芽孢杆菌杀蚊菌株。它们均属于噬菌体8组，其染色体上有二元毒素（51.4 kDa加41.9 kDa）基因，但缺乏100 kDa毒素基因。这些球形芽孢杆菌菌株构成了一个新的亚群，因为此前仅描述过噬菌体8组中的两株弱毒性菌株，而且所有已知的高毒性菌株都同时拥有二元毒素和100 kDa毒素基因。
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