Some crops have been genetically engineered to contain Bt, a bacterium that controls certain insect pests.

一些作物已经进行基因改造而包含蓝四氮唑，也就是控制某些病虫害的一种病菌。

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In a bid to overcome the drawbacks of existing biofuels, researchers have engineered a bacterium that can convert a form of raw plant biomass directly into clean, road-ready diesel.

为了克服现有生物燃料减少所带来的威胁，科研人员已经构建了一种能够将天然植物生物量直接转变为清洁的柴油的工程菌，而他们产生的柴油可供车辆直接使用。

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The report examines the take-up of maize that has had the gene for a natural insecticide produced by a bacterium called Bacillus thuringiensis, or Bt, engineered into it.

ECONOMIST: Genetic modification works