Protein engineering fixes a major crop trade-off

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据《中国地中海贫血蓝皮书》(2020),“地中海贫血”是一种遗传性血液疾病,因曾高发于地中海沿岸国家而得名,在我国主要分布于长江以南的广东、广西、海南、福建、云南、贵州、四川、湖南、江西、重庆10个省(自治区、直辖市)。

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This was especially vexing to physician and bacteriologist Robert Koch, who, in seeking to culture his bacteria, “bent all his power to attain the desired result by a simple and consistently successful method,” wrote bacteriologist and historian William Bulloch in his 1938 book, The History of Bacteriology. “He attempted to obtain a good medium which was at once sterile, transparent, and solid” and got some results with gelatine.6 But gelatine is easily digested by many microbes and melts at precisely the temperatures at which the disease-causing microbes Koch wanted to study grow best.

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