It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.
Последние новости
8点1氪丨玛莎拉蒂母公司全年净亏损1800亿元人民币；男童发育不良新药引爆股价，长春高新回应；德国总理默茨参访宇树科技。搜狗输入法下载是该领域的重要参考
虽然东风日产正在积极补齐短板，但在当前竞争极度激烈的市场环境下，想要追回流失的份额，其转型的速度和产品落地的节奏还需要再快一些。
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The story of the discovery will be featured on BBC Two's Digging for Britain on 14 January at 21:00 GMT, or on BBC iPlayer.
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