氮素是促进作物增产的最关键因素之一,但氮肥大量施用不仅增加了农业生产成本,更导致土壤酸化、水体富营养化等环境问题。中科院遗传发育研究所储成才研究员领导的团队在水稻氮利用效率改良研究上取得重大突破,成果9日在线发表在国际著名期刊《自然·遗传学》上。储成才团队的科研人员发现,籼稻具有更高的氮肥利用能力。他们从籼稻中克隆出了高氮利用效率基因NRT1.1B,将其导入粳稻品种。在北京、上海、长沙三个 Nitrogen is one of the most important factors to promote crop yield. However, the large amount of nitrogen fertilizer not only increases agricultural production costs, but also causes environmental problems such as soil acidification and water eutrophication. The team led by Researcher Chu Chengcai, Institute of Genetics and Development, Chinese Academy of Sciences, made a major breakthrough in the study of rice nitrogen use efficiency improvement. The results were published online in the internationally renowned journal Nature Genetics on the 9th. Researchers at Chu Chengcai’s team found that indica rice has a higher ability to utilize nitrogen. They cloned the high nitrogen use efficiency gene NRT1.1B from indica rice and introduced it into japonica rice varieties. In Beijing, Shanghai, Changsha, three