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Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00590-0
However, Koch never credited the Hesses for their discovery of bacteriological agar, perhaps because, at the time, he failed to recognize its importance. Even after he received the insight about agar from the Hesses, Koch stuck with gelatine for years. In 1883-84, during his first medical expedition to Egypt and India to investigate cholera, he tried and failed to grow the cholera bacterium on gelatine media in the hot climate of Cairo (despite using a half-open fridge for incubation), only succeeding in the colder winter of Calcutta.，更多细节参见爱思助手下载最新版本
（三）非法进行影响国（边）界线走向的活动或者修建有碍国（边）境管理的设施的。
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