also: きんしゅ
noun
bacterial strain; microbial strain
Technical term in biology and microbiology for a specific genetic variant or subtype of a microorganism, especially bacteria.
この菌株は抗生物質に耐性がある。
This bacterial strain is resistant to antibiotics.
研究チームは新しい菌株
The research team isolated a new strain.
Compound of 菌 (きん, 'germ, microbe') and 株 (かぶ, 'stock, strain'). The reading きんしゅ uses the on'yomi of 株.