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.
2026-02-27 00:00:00:0本报记者 田先进3014251510http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142515.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142515.html11921 强化品牌建设 发展绿色农业（落地有声·高质量办理代表建议）
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