| ²é¿´: 585 | »Ø¸´: 2 | |||
°ÂÍØ»ùÒò
|
[½»Á÷]
Å̵ã×îлùÒò×é²âÐò³É¹û
|
| the scientistÔÓÖ¾·¢±íÎÄÕÂÅ̵ãÁ˼¸Ïî×îеĻùÒò×é²âÐò³É¹ûÒÔ÷϶ÁÕߣº ÖÖÊô£º·ÇÖÞÇ»¼¬Ó㣨Latimeria chalumnae£© »ùÒò×飺~2.86 billion bp ÈËÃÇÔø¾ÈÏΪǻ¼¬ÓãÔçÔÚÆßǧÍòÄêǰ¾ÍÒÑÃð¾ø£¬Ö±µ½1938Äêһֻǻ¼¬ÓãÔÚÄϷǺ£°¶±»ÓæÃñ²¶»ñ¡£ÕâÖÖÓã¿´ÉÏÈ¥¸úÈýÒÚÄêǰµÄ»¯Ê¯²î²»¶à£¬Òò´ËÒ²±»³ÆÎª¡°»î»¯Ê¯¡±¡£ Ñо¿ÈËÔ±²âÐòÁËÇ»¼¬ÓãµÄÕû¸ö»ùÒò×飬·¢ÏÖÆäµ°°×±àÂë»ùÒò±ä»¯ºÜС¡£»¯Ê¯Ñо¿ÏÔʾ£¬Ç»¼¬ÓãµÄËĸö÷¢Öð½¥×ª±ä³ÉΪ¶¯ÎïµÄËÄÖ«¡£Ñо¿ÈËÔ±½«Ç»¼¬ÓãµÄ»ùÒò×éÓëËÄ×ã¼¹×µ¶¯Îï½øÐбȽϣ¬¼ø¶¨ÁË´óÁ¿¶þÕß¹²Óеĵ÷¿ØDNA£¬¶øÕâЩDNAÊÇÆÕͨÓãÀ಻¾ß±¸¡£ËûÃǽ«ÉÏÊöÐòÁвåÈëСÊóÅßÌ¥£¬Æô¶¯ÁËһϵÁлùÒòµÄ±í´ï£¬ÕâЩ»ùÒòÓëÊÖÍó¡¢½Åõס¢ÊÖÖ¸ºÍ½ÅÖºµÄ¹ÇÐγÉÓйء£ Ñо¿Ö¸³ö£¬°ÙÍòÄêǰ£¬ÔÚÓãÀàÅÀÉϽµØÐγÉËÄÖ«µÄ¹ý³ÌÖУ¬ÕâЩ»ùÒò¿ÉÄÜÆðµ½ÁËÖØÒª×÷Óá£ÕâÒ»·¢ÏÖ£¬½ÒʾÁËÓãÀàÊÊӦ½µØÉú»îµÄÒÅ´«Ñ§»ù´¡¡££¨¼û£º10ÄêŬÁ¦£¬Nature·¢²¼»ùÒò×éÀï³Ì±®Ê½³É¹û£© ÔÎÄ£ºC.T. Amemiya et al., ¡°The African coelacanth genome provides insights into tetrapod evolution,¡± Nature, 496: 311-16, 2013. ÖÖÊô£ºÎ÷²¿½õ¹ê£¨Chrysemys picta bellii£© »ùÒò×飺~2.6 billion bp Î÷²¿½õ¹êÊDZ±ÃÀ×îÆÕ±éµÄ±¾µØ¹ê£¬Ëü¾ßÓÐһЩ·Ç·²µÄÌØÐÔ¡£Î÷²¿½õ¹ê¿ÉÒÔÔÚ¼¸ºõ±ù¶³µÄÇé¿öÏ´æ»î£¬µ±ËüÔÚ±ù·âµÄ³ØÌÁÖж¬Ãßʱ»¹»áÍ£Ö¹ºôÎü£¬µÈµ½Ôç´ºÔÙËÕÐÑ¡£ Ñо¿ÈËÔ±¶ÔÎ÷²¿½õ¹êµÄ»ùÒò×é½øÐÐÁ˲âÐò£¬·¢ÏÖËüÄÍÊÜȱÑõºÍº®ÀäµÄÄÜÁ¦£¬À´×ÔÓÚ¼¹×µ¶¯ÎïµÄ³£¼û»ùÒò¡£ËûÃÇͨ¹ýת¼×é·ÖÎö·¢ÏÖ£¬ÔÚµÍÑõÌõ¼þÏ£¬´óÄÔÄÚ19¸ö»ùÒòºÍÐÄÔàÄÚ23¸ö»ùÒòµÄ±í´ïÏÔÖøÔö¼Ó¡£ ÈËÀàÒ²¾ßÀàËÆµÄ»ùÒò£¬Òò´ËÑо¿ÈËÔ±Ö¸³ö£¬Ñо¿Î÷²¿½õ¹êµÄµ÷¿ØÍ¨Â·£¬½«ÓÐÖúÓÚÖÎÁÆÈ±ÑõÔì³ÉµÄ×éÖ¯ËðÉË£¬ÐÄÔಡ·¢×÷»òÖз綼¿ÉÄÜÒýÆðÕâÖÖËðÉË¡£ ÔÎÄ£ºJ. Abramyan et al., ¡°The western painted turtle genome, a model for the evolution of extreme physiological adaptations in a slowly evolving lineage,¡± Genome Biology, 14: R28, 2013. ÖÖÊô£º°×À¯Ê÷Õæ¾ú£¨Chalara fraxinea£© »ùÒò×飺~60 million bp ½ü¶þÊ®ÄêÀ´£¬Õæ¾úChalara fraxineaËùÒýÆðµÄ°×À¯Ê÷¿ÝÉÒ²¡£¬¸øÅ·ÖÞ´øÀ´Á˾޴óµÄËðʧ¡£Ó¢¹ú¿ÆÑ§¼ÒÃDzâÐòÁËÕâÖÖÕæ¾úµÄ»ùÒò×飬ºÍһЩ¸ÐȾÑù±¾µÄת¼×é¡£Ñо¿ÈËÔ±¸æËßBBC£¬ËûÃÇÒѾ·ÖÀëÁËһЩ¶¾ËØ»ùÒò£¬²¢¼ø¶¨ÁËÓëÕæ¾ú¶¾Á¦ÓйصĻùÒò¡£Í¬Ê±£¬Ó¢¹úºÍµ¤ÂóµÄÑо¿ÈËÔ±ÕýÔÚ½øÐкÏ×÷£¬ÊÔͼ½âÎöÁ½¿Å°×À¯Ê÷µÄ»ùÒòÌØÕ÷£¬ÕâÁ½¿ÃÊ÷¶ÔÉÏÊö¼²²¡¿¹ÐԽϸߡ£ËûÃÇÏ£ÍûÄܹ»ÀûÓÃÏà¹Ø»ùÒò£¬ÅàÓý¶Ô¼²²¡Óп¹ÐÔµÄÊ÷Ãç¡£ ÔÎÄ£ºD. MacLean et al., ¡°Crowdsourcing genomic analyses of ash and ash dieback¡ªpower to the people,¡± GigaScience, 2: 2, 2013. ÖÖÊô£ºËɼ׳棨Dendroctonus ponderosae Hopkins£© »ùÒò×飺~208 million base pairs Ëɼ׳棨Dendroctonus ponderosae Hopkins£©¶Ô±±ÃÀµÄËÉÊ÷ÁÖÔì³ÉÁ˼«´óÆÆ»µ¡£ÕâЩ¼×³æµÄÓ׳漰ÆäËùЯ´øµÄÕæ¾ú£¬Äܹ»ÁªÊÖ×è¶ÏËÉÊ÷ÖеÄË®·ÖÓªÑøÔËÊ䣬ÔÚÊýÖÜÄÚʹÊ÷ľËÀÍö¡£ ΪÁËѰÕÒÕâÖÖº¦³æµÄÆÆ»µÁ¦À´Ô´£¬Ñо¿ÈËÔ±²âÐòÁËËüµÄ»ùÒò×éºÍһЩת¼×é¡£Ñо¿ÏÔʾ£¬À´×Ô²»Í¬ÇøÓòµÄº¦³æ£¬ÆäDNAÐòÁдæÔڽϴóµÄ²îÒ죬Õâ¿ÉÒÔÈÃËüÃÇÓ¦¶Ô²»Í¬ËÉÊ÷µÄ·ÀÓùÐÔÎïÖÊ¡£Ñо¿ÈËÔ±¼ø¶¨ÁËһЩ±àÂëÌØÊâøµÄ»ùÒò£¬ÕâЩøÄܹ»ÖкÍËÉÊ÷µÄ·ÀÓùÎïÖÊ£¬Íß½âÖ²ÎïµÄϸ°û±Ú¡£Ñо¿»¹ÏÔʾ£¬Ëɼ׳æ´Óϸ¾ú»ñµÃÁËÒ»¸ö±àÂëøµÄÐòÁУ¬¸ÃÐòÁÐÖ»ÔÚÏû»¯×éÖ¯Öбí´ï£¬¿ÉÒÔ°ïÖúËɼ׳æÀûÓÃÖ²ÎïµÄÌÇÀà¡£ ÔÎÄ£ºC.I. Keeling et al., ¡°Draft genome of the mountain pine beetle, Dendroctonus ponderosae Hopkins, a major forest pest,¡± Genome Biology, 14:R27, 2013 ÖÖÊô£º·ÎÑ×Á´Çò¾ú£¨Streptococcus pneumoniae£© »ùÒò×飺~2 million bp ·ÎÑ×Á´Çò¾ú´æÔÚÓÚÐí¶àÈ˵ĺôÎüµÀÖУ¬ÓÐʱ»áÒýÆð·ÎÑ׺ÍÄÔĤÑס£×Ô2000ÄêÒýÈëÁËÒßÃçÒÔÀ´£¬ÕâÀ༲²¡ÔÚÃÀ¹úÇàÉÙÄêÖеķ¢ÉúÂÊÏÔÖøÏ½µ¡£¸ÃÒßÃçÕë¶ÔÁË£¬×î³£¼ûµÄÆßÖÖ¼²²¡Ïà¹Ø¾úÖê ΪÁ˸üºÃµÄÁ˽âÒßÃç¶Ô·ÎÑ×Á´Çò¾úµÄÓ°Ï죬Ñо¿ÈËÔ±²ÉÓÃÁËÔÚ2001-2007Äê¼äÊÕ¼¯µÄ616¸öÁÙ´²Ñù±¾£¬ÕâЩ·ÎÑ×Á´Çò¾ú¶¼·ÖÀë×ÔδÉú²¡µÄ´ø¾ú¶ùͯ¡£ËûÃǶÔÕâЩÑù±¾½øÐÐÁËÈ«»ùÒò×é²âÐò£¬·¢ÏÖ×ÜÌåÉÏ¿´£¬¾úȺµÄÒÅ´«Ñ§×é³É±ä»¯²¢²»´ó¡£Ö»²»¹ý£¬ÒßÃçËù°Ð±êµÄѪÇåÐͼ¸ºõÏûʧ£¬¶øÆäËû¾úÖê¿ìËÙÔö¼Ó¡£ÕâЩδÊÜÒßÃçÓ°ÏìµÄ¾úÖêÖУ¬³ýÁ˼¸¸ö¹Ø¼ü»ùÒòÒÔÍ⣬»ùÒò×é»ù±¾Ïàͬ¡£ ÔÎÄ£ºN.J. Croucher et al., ¡°Population genomics of post-vaccine changes in pneumococcal epidemiology,¡± Nature Genetics, doi:10.1038/ng.2625, 2013. |
» ²ÂÄãϲ»¶
265Çóµ÷¼Á
ÒѾÓÐ8È˻ظ´
0817 »¯Ñ§¹¤³Ì 299·ÖÇóµ÷¼Á ÓпÆÑоÀú ÓжþÇøÎÄÕÂ
ÒѾÓÐ21È˻ظ´
295²ÄÁÏÇóµ÷¼Á£¬Ò»Ö¾Ô¸Î人Àí¹¤085601ר˶
ÒѾÓÐ4È˻ظ´
0856µ÷¼Á£¬ÊÇѧУ¾ÍÈ¥
ÒѾÓÐ9È˻ظ´
298-Ò»Ö¾Ô¸Öйúũҵ´óѧ-Çóµ÷¼Á
ÒѾÓÐ9È˻ظ´
Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
ѧУÒѾÌá½»µ½NSFC£¬»¹ÄÜÐÞ¸ÄÂð£¿
ÒѾÓÐ7È˻ظ´
²ÄÁÏѧ˶297ÒѹýËÄÁù¼¶Çóµ÷¼ÁÍÆ¼ö
ÒѾÓÐ6È˻ظ´
295¸´ÊÔµ÷¼Á
ÒѾÓÐ7È˻ظ´
±¾ÈË¿¼085602 »¯Ñ§¹¤³Ì ר˶
ÒѾÓÐ20È˻ظ´
ÐÜèʥּ
ͳæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 145
- Ìû×Ó: 31
- ÔÚÏß: 13.6Сʱ
- ³æºÅ: 1324128
- ×¢²á: 2011-06-15
- ÐÔ±ð: MM
- רҵ: »ùÒò×éѧ
2Â¥2013-06-06 13:47:13
ѩɽ±ù·æ
½ð³æ (Ö°Òµ×÷¼Ò)
- Ó¦Öú: 3 (Ó×¶ùÔ°)
- ¹ó±ö: 0.036
- ½ð±Ò: 541.8
- É¢½ð: 5637
- ºì»¨: 75
- ɳ·¢: 7
- Ìû×Ó: 3127
- ÔÚÏß: 437.8Сʱ
- ³æºÅ: 1413123
- ×¢²á: 2011-09-22
- ÐÔ±ð: GG
- רҵ: ÓîÖæÑ§

3Â¥2013-06-06 15:20:18














»Ø¸´´ËÂ¥
50