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单词 streptonigrin
释义 strep·to·ni·grin
\ˌstreptəˈnīgrə̇n\ noun
(-s)
Etymology: New Latin strepto- (from Streptomyces flocculus, actinomycete from which it is produced) + Latin nigr-, niger black + English -in; probably from its dark color
: a toxic antibiotic C25H22N4O8 from an actinomycete of the genus Streptomyces (S. flocculus) that interferes with DNA metabolism and is used as an antineoplastic agent
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