ãNASAãå®å®äººãçºè¦ãï¼ãã¨è©±é¡ã«ãªã£ããå®å®çç©å¦ä¸ã®ç»æçãªçºè¦ãã¨ã¯ï¼ããªã³ã®ä»£ããã«ãç´ ãDNAä¸ã«åãè¾¼ãå¾®çç©ãè¦ã¤ãã£ããã¨ãããã®ã§ããï¼ è©³ãã解説è¨äºãæ¸ãæéã¯ãªãã®ã§ï¼çºè¦ã®ãã¤ã³ããä¸æã®ç»åã«ã¾ã¨ãã¦ã¿ã¾ããï¼ä¸çç大ãã¥ã¼ã¹ï¼ï¼ï¼ã«åããã¦ï¼ä¹ ãã¶ãã®æ´æ°ã§ãï¼ A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus ããªã³ã®ä»£ããã«ãç´ ã使ã£ã¦çè²ãããã¨ãã§ããç´°èã Science. Dec. 2, 2010. çºè¦ã®ã¤ã³ãã¯ã ããããªã大çºè¦ãªã®ãï¼ã¨ããã¨â¦ ã¾ãã¯èæ¯ç¥èï¼ DNAã¯å°çä¸ã«åå¨ããã»ã¼å ¨ã¦ã®çç©ãåºæ¬çã«æã£ã¦ãã éºä¼æ å ±ãå©ç¨ãï¼åå«ã«ä¼ããããã«DNAãå©ç¨ããã¦ãã çç©ã®å¤§é¨åã¯ï¼æ°´ç´ (H)ï¼çç´ (C)ï¼çªç´ (N)ï¼é ¸ç´ (O)ï¼ãªã³(P)ï¼ç¡«
è³ã¨æè¦ãå ±æãããç¾å°å¥³çµååçå 2010.11.09 17:0022,801 mayumine è³ãçµåããäºãã®æè¦ãå ±æããªããããåã ã«äººæ ¼ã¯ãã â ãã¼ã¬ã³å®¶ã®ã¿ãã¢ãã¡ããã¨ã¯ãªã¹ã¿ ã¡ããããã®çµååçå ã¯ä¸ççã«ãé常ã«çããã±ã¼ã¹ã§ãçã¾ãã確çã¯10ä¸åã®1ã«ãæºããªãããã§ãã æ¬å½ã§ããã°ãã¿ãã¢ãã¡ããã¨ã¯ãªã¹ã¿ ã¡ããã¯çåãããã¨ã¯é£ããã¨ããã¦ãã¾ããã 彼女ãã¡ãã¾ã æ¯è¦ªã®ãè ¹ã«ããæã«ã¯ãçå¾1ãæã®çåçã¯ã»ã¨ãã©ã¼ãã§ããã¨è¨ããã¦ãã¾ããã ãããé©ããã¨ã«ã彼女ãã¡ã4æ³ã«ãªã£ãä»å¹´ã®10æ25æ¥ãã¿ãã¢ãã¡ããã¨ã¯ãªã¹ã¿ã¡ããã¯ä¸ã®åçã®ããã«å æ°ã§å¹¸ãã«æé·ãã¦ãã¾ãã 2人ã¯ã任天å ã®Wii ã§éãã ããããã¡ãã®ãã¨ã§å§å©ããããã飯ãåãåã£ãããã¾ãã 2人ã®ä½ã¯å¥ã ã«æ©è½ãã¦ããã®ã«ãè³ã®ç¥çµã¯ç¹ããããäºãã«ãäºãã®æè¦ã¯å ±æ
åã®è¨äºããå¤ç¬æã¯ä¼æãããï¼ç 究æ¹æ³ã«çåã ãçå½ã®åºæ¬ãµãã«ã¼ãã³ãã解æ 2009å¹´12æ 3æ¥ Brandon Keim (å·¦)M. pneumoniaeç´°èã®3次å å³ã(å³)ã¢ããé ¸ãåæãããªãã½ã¼ã ã¨ãç´°èã®ã¿ã³ãã¯è³ªã¨ã®ç¸äºä½ç¨ããã Image credit: Science ããçç©ããã¤ã¦ãªãã»ã©å¾¹åºçã«è§£æããçµæãçå½ã®åºæ¬ãµãã«ã¼ãã³ã¨ãããã¹ããã¼ã¿ã³ã¼ããå¾ããããããã¦ãæãåç´ãªé¨é¡ã®çç©ã§ãããç 究è ãèãã¦ããããè¤éãªåå¨ã§ãããã¨ãæããã«ãªã£ãã ãã®çç©ã¨ã¯ãMycoplasma pneumoniae(ãã¤ã³ãã©ãºãã»ãã¥ã¼ã¢ãã¨ãèºçãã¤ã³ãã©ãºã)ã¨ããçæ£ç´°èã§ãç¬ç«çåããå¾®çç©ã¨ãã¦ã¯æãåç´ãªãã®ã®é¨é¡ã«å ¥ããM. pneumoniaeã®è§£æã¯ããã®ç´°èã®éºä¼å調ç¯ãã¿ã³ãã¯è³ªç£çãããã³ç´°èæ§é ã«é¢ãããã¼ã¿ãçµã¿åãããå½¢
ã¡ã¨ãæ¬æ¥ã¯ãä¸å¤«ä¸å©¦å¶ã¨é²åã®è©±ããã¦ã¿ããã¨æããèå³ã®ãªã人ã¯ããã¾ããããæè¿ããããèªåã®ä¸ã§ãã¤ãã¼ã ãªã®ã§ã åºæ¬çã«ããã®è©±ããããã¨æã£ãã®ã¯ãæè¿ãå家ããã°ã®ã»ãã§ãæ§ã®è©±ã延ã ã¨ãã¦ãã¦ãããã§ãã£ã¦ãç·æ§ã®æ§ã®è©±ãæè¿ãã¦ãããã§ããã ã§ããªãã ãã©ããã£ã±ããæè¿ã®å¥³æ§ã®ä¸ã«ã¯ãã§ãããºã ã®ææ³ã¨ãããããªãã¨ããããããªã¹ã¯ã¡ã¹ãç¬å ããããçãç©ãã¨ããã¢ã¬ããããããã¦ãããã§ãæã£ããã¨ãªããããæ¸ãã¦ããã®ã ããã©ãå家ã§ãæ¸ãããã©ãä»æ¥ã¯ãããã¡ãã£ã¨ã¢ã¬ãªè©±ãã åºæ¬ã人é¡ã®ç·æ§ã¯ãã»ãã¯ã¹ããããã§ãå°çä¸ã®ä»ã®é¡äººç¿ããã»ãã¯ã¹ã«æéããããããå¾åãããããã³ãã³ã¸ã¼ãã´ãªã©ã®æ§äº¤ã¯ï¼ï¼ç§ã»ã©ã§çµãã£ã¦ãã¾ããã人é¡ã®ç·æ§ã¯ãã®ï¼ï¼å以ä¸ã®æéãã»ãã¯ã¹ã«è²»ãããã¨ã¯ç¨ã§ã¯ãªãã ããããããã¯å®éã«ã¯ãç¡é§ãªã®ã§ãããä½æ ãªããã»ãã¯ã¹
åã®è¨äºãç¡çé¸ã§30æ¥ââç±³è»ç¡äººåµå¯æ©ã®æ»ç©ºç®æ¨ è®ã®æ°´æ»´ã®è¬ï¼ãè¶ æ¥æ°´æ§ãã«æ¯åãæããå½¹å²ã次ã®è¨äº ã´ãããªã¯æå°¿ããªãï¼ãã®åªãã代è¬ç³»ãæããã« 2009å¹´10æ29æ¥ Brandon Keim Image credit: Flickr/Sarah Camp æµæã«æºã¡ãç°å¢ãçãã®ã³ãããã«ãã´ãããªã¯èªãã«å·£é£ãèãããå©ç¨ããã1å4000å¹´ã®æããã´ãããªã®ä½å ã«ä½ã¿ã¤ãã¦ããç´°èãBlattabacterium(ãã©ãã¿ãã¯ããªã¦ã )ã®ãã¨ã ã Blattabacteriumã®ã²ãã ã解æããçµæããã®ç´°èã¯ã´ãããªã®ä½ã®èå»ç©ããã´ãããªãçãã¦ããã®ã«å¿ è¦ãªååã«å¤æãã¦ãããã¨ãæããã«ãªã£ããããã°ã´ãããªã¯èº«ããã£ã¦ããªãµã¤ã¯ã«ã®åã証æãã¦ããããã ãç´°èãã¡ã®ãããã§ãã´ãããªã¯æå°¿ããå¿ è¦ãããªãã¨ããã ãBlattabacteriumã¯ããã¹ã¦ã®
â ç·¨éå ï¼ãã¥ã¼ã¹éå ±æ¿ãã 888 ã¤ãã·ã£ã¯ã¤ã¯(æ±äº¬é½) :2009/08/14(é) 21:59:14.12 ID:JiX+WhJP http://image.blog.livedoor.jp/blv42/imgs/0/5/05411cf9.jpg 900 ãã±(é¢æ±) :2009/08/14(é) 22:31:28.27 ID:hotQ6Duo >>888 ç¦ã ããâ¦ãªãã ã³ã¬ï¼ 901 ããã¸ã§ã¦ããã·(ç¥å¥å·ç) :2009/08/14(é) 22:35:36.20 ID:mAXxO+sV >>888 ã»ãã©ãããã®ã³ã¬ 904 ã¢ã¡ãªã«ãã¦ã(åæµ·é) :2009/08/14(é) 22:48:43.77 ID:EiI0tCiA >>888 ãªã«ããããã 902 ããã²ã·(ã¢ã©ããå·) :2009/08/14(é) 22:37:41.63 ID:P
ç«ã¨ããã°è¦æå¿ãå¼·ãã¦ãã¾ãæ°è»½ã«è¿å¯ããã¦ãããªãã¨ããã¤ã¡ã¼ã¸ãããã¾ãããé ã«ãã¾ãã¾ãªç©ãä¹ãããã¹ã³ãããã£ã©ã®ãããªè¦ªè¿æããµããç«ãä¸ã®ä¸ã«ã¯ããããã§ããç¼ãç´°ãã¦ãã表æ ãã®ãã³ããã¦ããããã«è¦ããè¦ã¦ããã ãã§æ°åãåã¿ã¾ãã 詳細ã¯ä»¥ä¸ããã ããã¹ã¤ãä¹ããç«ã ã¢ããã¿ãããªããããã é ããè±ãå²ãã¦ãããããªæãã«ãªã£ã¦ãã¾ãã æ¢ ã®æãçãããããªç«ããã£ã©ã¯ã¿ã¼ã«ãªã£ããçµæ§ããªã¨ã¼ã·ã§ã³ãæãããããã§ãã ãã¥ã¦ãªãå°ãéç¼ãã¦ãã¾ãã ãããã¯çª®å±ããã§ãã å°ãããã©éãããªã¯ã«ãã ãã¾ãã§ï¼ ä½ã¨ãè¨ããªãè¯ãå³ãåºãã¦ããç¼é¡ãã¼ã¸ã§ã³ã å¤çã£çãã ãã®ç«ã¯ã·ãã¨ããååã§ããã§ã«åçéã2åãåºã¦ããã¨ãã大ç©ãä¸è¨ä»¥å¤ã«ã以ä¸ã®å ¬å¼ãµã¤ãã§ã¯ãã®ç«ã®åçãè²ã ã¨è¦ãããããã«ãªã£ã¦ãã¾ãã ããç«ãï¼¢ï½ï½ï½ - 楽天ããã°ï¼Blo
ã¹ã¿ã³ãã©ã¼ã大å¦ã®ç 究è ã«ããåå¥ã®ç 究ãæ¨æ¸¬ããã¨ããã«ããã¨ã人é¡ã¯7ä¸å¹´åã«ã¯å ¨ä¸çã§ããã2000人ã«ã¾ã§æ¿æ¸ãæ¶æ» ãããã¦ãããã¨ãããã£ã¦ããããã§ãã ä¸ä½ã7ä¸å¹´åã«ä½ãèµ·ãã¦ããã®ã§ããããï¼è©³ç´°ã¯ä»¥ä¸ããã Study says near extinction threatened people 70,000 years ago - Yahoo! News 2005å¹´ã«éå§ããããéºä¼å¦ã«ãã£ã¦äººé¡å¦ãç 究ãããã®ããã¸ã§ã¯ãã«ããã¨ãããã³ã³ããªã¢ã®è¿½è·¡ã«ãã£ã¦ãç¾å¨ã®äººé¡ã¯ç´20ä¸å¹´åã«ã¢ããªã«ã«ä½ãã§ãããããã³ã³ããªã¢ã»ã¤ããã¨å¼ã°ãã¦ããåä¸ã®æ¯è¦ªã®åå«ã§ãããã¨ãããã£ã¦ãããç´6ä¸å¹´åããå ¨ä¸çã¸äººé¡ã®åæ£ãå§ã¾ã£ã¦ãã¾ãããããããã®ããã³ã³ããªã¢ã»ã¤ãã¨å ¨ä¸çã¸ã®åæ£ã¾ã§ã®éã«ä½ãèµ·ãããã«ã¤ãã¦ã¯ä»ã¾ã§ã»ã¨ãã©ããã£ã¦ããããè¬ã«å ã¾ãã¦ãã¾ããã
ã¬ã¤ãã«ã¤ãã¦ãé²åçç©å¦ããçãã¦ããã æçºçãªã¿ã¤ãã«ã表ç´ã¨ã¯è£è ¹ã«ãã¾ããã«ãç§å¦çã«è§£ãæãããããã¦ããªãã©ã¼ãã«ãä¿®è¾å¦çã«ãå ãã§ããªãããã種ã®äººã³ã¨ã®éé±ãæ»ãããããããªçµè«ã«éãããããã«ããããªæ¬ãåºãã°å¤§é¨ãã«ãªããã¨ãç¹ãè¾¼ãã§ããã種ã®äººãã¡ã®ã主張ãã®ãã¡ãã¡ã«å証ãããã¦ããã ã¾ãçµè«ããããªãç·ã¯ã¬ã¤ããã女ã¯è¦çãæããã®ãï¼ãã®çç±ã¯ãé¤è²ã®æè³éã«ç·å¥³å·®ãããããã ã¨ããã ã¤ã¾ãããã ã女ã¯å¦å¨ ãåºç£ãæä¹³ã«å¤å¤§ãªæéã¨ã¨ãã«ã®ã¼ãè²»ãããªããã°ãªããªããã ããç·é¸ã³ãæ éã«ãªããã¬ã¤ãã¯ç¶è¦ªãé¸ã¹ããåè²ã¦ãå°é£ã«ããããã女ã«å¤§ããªè¦çããããããã¨ã«ãªãããã£ã½ãç·ã¯é¤è²æè³ãå°ãªããã¨ãããç¹æ®ã®ãããå¤æ°ã®ç¸æã«é¢å¿ãåãããã¨ã«ãªãããããªç·ã®ã»ã¯ã·ã¥ã¢ãªãã£ã®é²åããã¬ã¤ãã®ç©¶æ¥µè¦å ã ã¨ãããè¦ããã«ç·ã¯è²ã好ã¿ã女ã¯é¸ã好ã¿
åã®è¨äºã14æ³ã®å°å¹´ãèªä½ã太é½ã¨äººåã®ãã¤ããªããè» ç¡éã«åè£å¯è½ãªçæ®ç´°èï¼ãé·å¯¿ã®ç·è«ãã®è¬ 2009å¹´6æ10æ¥ Brandon Keim Image:Natureããµã¤ããããã®ç»åã¯ãèå ææã使ã£ã¦ã¨ããããç´°èã®æ ¸åè£ã®æ§åãWikimedia Commonsãã é·å¯¿ã®ç§å¯ã¯ãæ§ãã«ããã®ãããããªãââã¤ã¾ããçæ®ç´°èã®ãã¨ã ã ããããä½ç´°èã¯ãéºä¼çããã³ç©ççãªæå·ãæ¥éã«èç©ãã¦ãããããã50ååè£ãç¹°ãè¿ãã段éã§æ»æ» ãããããããç²¾åãåµåãªã©ã®çæ®ç³»åç´°èã¯ãæ»æ» ãããã¨ãªãç¡éã«è¤è£½ãããã¨ãå¯è½ã ããã®ç´°èã«é¢å¿ãæã£ãç 究è ãã¡ã¯ããã®é·å¯¿ã®è¬ã«ã¤ãã¦ç 究ãã¦ããã ãªãçæ®ç³»åç´°èãããã»ã©é·å½ãªã®ããæ£ç¢ºã«ã¯åãã£ã¦ããªããããããã®ç´°èã¯ç°å¸¸ã«å¤§ããªããã¡ã¢ãæã£ã¦ãããããã¡ã¢ã¨ã¯æè²ä½ã®æ«ç«¯ã«ããæ§ã ãªã¿ã³ãã¯è³ªãããªãæ§é ã§ãæè²ä½
æµ·å¤FXæ¥è ãå©ç¨ããä¸ã§ããã¼ãã¹ã¯çµ¶å¯¾ã«æ¬ ããã¾ãããå£åº§ãæ°è¦éè¨ããã ãã§ãããããå£åº§éè¨ãã¼ãã¹ããå ¥éæã«ãããããå ¥éãã¼ãã¹ãããã®ä»ã«ããã£ãã·ã¥ããã¯ãªã©ãæ§ã ãªãã¼ãã¹ããããã¾ãã åãåã£ããã¼ãã¹ã¯ãã®ã¾ã¾åå¼ã«ä½¿ããå©çãåºãæã¯åºéãããã¨ãå¯è½ã§ãããå¾ã¯ãã£ã¦ãæã¯ãªããã¼ãã¹ãªã®ã§ãæµ·å¤FXæ¥è ãé¸ã¶éã«ã¯å¿ ãæ¯è¼ãã¦ããããã¨ããã§ãã ããã§ãã®è¨äºã§ã¯ãæµ·å¤FXãã¼ãã¹(å£åº§éè¨ãã¼ãã¹ã»å ¥éãã¼ãã¹ãã£ã³ãã¼ã³)å ¨195社ãå¾¹åºçã«ç 究ããä¸ã§ãããããå®å ¨æ¯è¼ã©ã³ãã³ã°ã«ã¾ã¨ãã¾ãããæ¥æ¬äººã«äººæ°ã®FXæ¥è ã ãã§ãªãããã¤ãã¼ã®æµ·å¤FXæ¥è ã注æç¹ãªã©ã詳ãã解説ãã¦ããã¾ãã ãæµ·å¤FXãã¼ãã¹ã豪è¯ãªæ¥è ãããã«ç¥ããããã¨ããæ¹åãã«ãæµ·å¤FXãã¼ãã¹é¸ã³ã«å½¹ç«ã¤ã«ãªã¹ããããä½æããã®ã§ãã¡ããä½µãã¦åèã«ãã¦ãã ããã ãã©ã®FX
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}