Poplar trees may not be the first plants to spring to mind when thinking of biofuels, but they are a potentially important feedstock, partly because they can grow on soils unsuitable for food crops.rnTo see how poplar growth could be improved, Daniel van der Lelie at the Brookhaven National Laboratory in Upton, New York, and his colleagues analysed the genome and metabolites of the microbe Enterobacter sp. 638, which lives naturally inside poplars and increases the plants growth by as much as 40%.
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机译：杨树可能不是最早想到生物燃料时想到的植物，但它们是潜在的重要原料，部分原因是它们可以在不适合粮食作物的土壤上生长。rn为了了解杨树的生长可以如何改善，Daniel van der Lelie纽约阿普顿布鲁克海文国家实验室的科学家及其同事分析了肠杆菌属细菌的基因组和代谢产物。 638，自然生活在杨树内部，可将植物的生长速度提高40％。
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