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This anomaly is indicative of the larger challenge of culturing various microbial species, referred to as microbial “unculturability.” This cannot be explained by the use of agar alone or by the substitution of an alternative gelling agent, but rather by the difficulties in consistently recreating on an agar plate the multi-variable environment in which microbes grow naturally. Given such challenges, the risk of shortages, and the vulnerabilities of the agar supply chain, why is it so difficult to find suitable alternatives?
，更多细节参见夫子
志智双扶，从“要我干”变成“我要干”“我能干”，广大脱贫群众鼓足了“只要有信心，黄土变成金”的干劲。过渡期以来，全国培育乡村工匠13万余人，帮助500多万人掌握一技之长，在“家门口”就业增收。脱贫劳动力务工规模每年都保持在3000万人以上。
Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00584-y
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