çç©ãçããä¸ã§ã¢ããé ¸ã®æ§æè¦ç´ ã®ãçªç´ ãã¯ä¸å¯æ¬ ã®ç©è³ªã§ããããããæ¤ç©ã¯çªç´ ã空æ°ä¸ããç´æ¥åãè¾¼ããã¨ã¯ã§ããªãããã空æ°ä¸ã®çªç´ ãåºå®åã§ããç¹æ®ãªèãå©ç¨ãããã¨ãããã¾ããçªç´ åºå®ã®ããã«èã¨å ±çãã¦ããæ¤ç©ã®éºä¼åæ å ±ã調ã¹ãã¨ãããé²åã®éç¨ã§ä½åº¦ãå ±çé¢ä¿ã解æ¶ãã¦ããéå»ããããã¨ãå¤æãã¦ãã¾ãã Phylogenomics reveals multiple losses of nitrogen-fixing root nodule symbiosis | Science http://science.sciencemag.org/content/early/2018/05/23/science.aat1743 Plants repeatedly got rid of their ability to obtain their own nitrogen | Ars

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