| ²é¿´: 1097 | »Ø¸´: 6 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||
[½»Á÷]
ÇóÖú·ÒëÓ¢Óï~~~ллºÜ¼±£¡
|
|||
|
The phenotype is caused by reduced expression of a ta-siRNA, tasiR-ARF, and overexpression of its targets, the ETT/ARF genes (25¨C27). tasiR-ARF and its target genes are conserved among Arabidopsis, maize, and rice (21, 28). Mutations in LEAF BLADELESS in maize, which encodes a homologue of SUPRESSOR of GENE SILENCING3 (SGS3) in Arabidopsis and is involved in the ta-siRNA production pathway,result in a similar seedling phenotype to sho1 and sho2, including defects in leaf polarity.The tasiR-ARF cleavage products of the ETT/ARF genes were also severely reduced in sho mutant seedlings¡£It is also possible that a defect in the production of an unknown ta-siRNA, directed at the precursors of miR166, resulted in increased the stability of the precursors and overaccumulation of miR166. |
» ²ÂÄãϲ»¶
²ÄÁÏרҵ344Çóµ÷¼Á
ÒѾÓÐ19È˻ظ´
085404 298·ÖÇóµ÷¼Á
ÒѾÓÐ11È˻ظ´
296Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
³õÊÔ261
ÒѾÓÐ6È˻ظ´
284Çóµ÷¼Á
ÒѾÓÐ9È˻ظ´
²ÄÁÏ085601µ÷¼Á
ÒѾÓÐ25È˻ظ´
272·Ö²ÄÁÏ×ÓÇóµ÷¼Á
ÒѾÓÐ23È˻ظ´
22408µ÷¼ÁÇóÖú
ÒѾÓÐ7È˻ظ´
µ÷¼Á
ÒѾÓÐ17È˻ظ´
²ÄÁÏÀà284µ÷¼Á
ÒѾÓÐ43È˻ظ´
kaikaifeng
ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)
ѧÊõ´¿Êô¹·Æ¨~
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ¹ó±ö: 2.592
- ½ð±Ò: 2993.8
- É¢½ð: 3670
- ºì»¨: 18
- ɳ·¢: 13
- Ìû×Ó: 15451
- ÔÚÏß: 544.3Сʱ
- ³æºÅ: 430520
- ×¢²á: 2007-08-11
- ÐÔ±ð: GG
- רҵ: ·ÖÎöÒÇÆ÷ÓëÊÔ¼Á
- ¹ÜϽ: ÐÝÏйàË®

4Â¥2007-12-03 13:45:10
kaikaifeng
ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)
ѧÊõ´¿Êô¹·Æ¨~
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ¹ó±ö: 2.592
- ½ð±Ò: 2993.8
- É¢½ð: 3670
- ºì»¨: 18
- ɳ·¢: 13
- Ìû×Ó: 15451
- ÔÚÏß: 544.3Сʱ
- ³æºÅ: 430520
- ×¢²á: 2007-08-11
- ÐÔ±ð: GG
- רҵ: ·ÖÎöÒÇÆ÷ÓëÊÔ¼Á
- ¹ÜϽ: ÐÝÏйàË®
¡ï ¡ï ¡ï
acnotlove(½ð±Ò+1,VIP+0):лл
wfcicsd(½ð±Ò+2,VIP+0):лл»ý¼«Ó¦Öú£¬»¶Ó³£À´£¬ÆÚ´ýÄúµÄ¸ü¶à¾«²Ê£¡
acnotlove(½ð±Ò+1,VIP+0):лл
wfcicsd(½ð±Ò+2,VIP+0):лл»ý¼«Ó¦Öú£¬»¶Ó³£À´£¬ÆÚ´ýÄúµÄ¸ü¶à¾«²Ê£¡
|
ÏÔÐÔ±í´ïÊÇÒòΪta-siRNA, tasiR-ARF¼õÉÙ±í´ï¼°Ä¿±ê°ÐÎïETT/ARF»ùÒò(25-27)µÄ¹ý±í´ïËùÖ¡£tasiR-ARFºÍËüµÄ°ÐÎï»ùÒòÔÚArabidopsis¡¢ÓñÃס¢Ë®µ¾ÖÐÊDZ£ÁôµÄ(21,28)¡£Í»±ä·¢ÉúÔÚÓñÃ×µÄҶƬ£¬ÔÚArabidopsisÖбàÂëÒ»¸öͬÀàÐ͵ÄSGS3£¬²¢ÇÒ°üº¬ÔÚta-siRNAµÄÉú²ú;¾¶ÖУ¬µ¼ÖÂÁËÒ»ÖÖÏàËÆµÄÏÔÐÍÓ×Ãçto sho1 and sho2£¬ ËãÁË£¬²»·ÁË£¬ÓÐЩÊõÓï²»ÊǺÜÇå³þ~ ²»ºÃÒâ˼ [ Last edited by kaikaifeng on 2007-12-3 at 11:04 ] |

2Â¥2007-12-03 10:59:54
xhzyyangyang
ľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 3687.7
- ºì»¨: 1
- Ìû×Ó: 724
- ÔÚÏß: 4.5Сʱ
- ³æºÅ: 451858
- ×¢²á: 2007-11-05
- ÐÔ±ð: MM
- רҵ: ÐÂÒ©Ñз¢£¬ÉêÇë¹ú¼ÒÏîÄ¿×Ê
|
±íÐÍÊÇÓÉÓÚ¼õÉÙÁ˱í´ïij´ó°²ÉÁÖС·Ö×Ó¸ÉÈźËÌǺËËᣬ tasir -¶«Ã˵ØÇøÂÛ̳£¬ÒÔ¼°¹ý¶ÈµÄ£¬ÆäÄ¿±êʱ£¬ÔËËÍÐèʱ/¶«Ã˵ØÇøÂÛ̳µÄ»ùÒò£¨ 25-27 £© ¡£ tasir -¶«Ã˵ØÇøÂÛ̳¼°Æä°Ð»ùÒòÊDZ£ÊصÄÄâÄϽ棬ÓñÃ׺ʹóÃ×£¨ 21 £¬ 28 £© ¡£Í»±äÒ¶bladelessÓñÃ×£¬±àÂëÒ»¸öͬԴ ¶Ôsupressor»ùÒòsilencing3 £¨ sgs3 £©ÔÚÄâÄϽæÖУ¬²¢²ÎÓëÁËÔÚ´ó°²ÉÁÖС·Ö×Ó¸ÉÈźËÌǺËËáµÄÉú²ú;¾¶£¬½á¹ûÔÚÒ»¸öÀàËÆµÄÃçľÐÍÏòsho1ºÍsho2 £¬°üÀ¨È±ÏÝÒ¶polarity.the tasir -¶«Ã˵ØÇøÂÛ̳ÂÑÁÑ ²úÆ·µÄÔËËÍÐèʱ/¶«Ã˵ØÇøÂÛ̳µÄ»ùÒòÒ²ÑÏÖØ¼õÉÙ£¬ÔÚ֣˶ͻ±äÖêÊ÷Ã磬ËüÒ²ÓпÉÄÜÊÇÒ»¸öȱµã£¬ÔÚÉú²úÖеÄÒ»¸öδ֪°²ÉÁÖС·Ö×Ó¸ÉÈźËÌǺËËᣬÕë¶Ô¸ÃǰÕ×mir166 £¬µ¼ÖÂÔÚÔö¼ÓÁËÎȶ¨µÄǰÌåºÍoveraccumulation¶Ômir166 ¡£ ´ó¸Å¾ÍÊÇÕâ¸öÒâ˼£¬ÓÐЩµØ·½ÊµÔÚÊDz»ºÃ·Òë,Ö»ÄܰïÄãÕâô¶àÁË¡£ |
3Â¥2007-12-03 13:39:04
lililong0
ľ³æ (ÖøÃûдÊÖ)
¿ìÀÖµÄÄк¢
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 3940.8
- É¢½ð: 21
- Ìû×Ó: 1762
- ÔÚÏß: 22.7Сʱ
- ³æºÅ: 400095
- ×¢²á: 2007-06-12
- רҵ: ÓлúºÏ³É
¡ï ¡ï ¡ï
acnotlove(½ð±Ò+1,VIP+0):лл
wfcicsd(½ð±Ò+2,VIP+0):лл»ý¼«Ó¦Öú£¬»¶Ó³£À´£¬ÆÚ´ýÄúµÄ¸ü¶à¾«²Ê£¡
acnotlove(½ð±Ò+1,VIP+0):лл
wfcicsd(½ð±Ò+2,VIP+0):лл»ý¼«Ó¦Öú£¬»¶Ó³£À´£¬ÆÚ´ýÄúµÄ¸ü¶à¾«²Ê£¡
|
ÏÔÐÔ±í´ïÊÇÒòΪta-siRNA, tasiR-ARF¼õÉÙ±í´ï¼°Ä¿±ê°ÐÎïETT/ARF»ùÒò(25-27)µÄ¹ý±í´ïËùÖ£¬ÆäÄ¿±êʱ£¬ÔËËÍÐèʱ/»ùÒò£¨ 25-27 £© ¡£ tasir -ARF¼°Æä°Ð»ùÒòÊDZ£ÊصÄÄâÄϽ棬ÓñÃ׺ʹóÃ×£¨ 21 £¬ 28 £© ¡£Í»±ä·¢ÉúÔÚÓñÃ×µÄҶƬ£¬ÔÚArabidopsisÖбàÂëÒ»¸öͬÀàÐ͵ÄSGS3£¬²¢ÇÒ°üº¬ÔÚta-siRNAµÄÉú²ú;¾¶ÖУ¬µ¼ÖÂÁËÒ»ÖÖÏàËÆµÄÏÔÐÍÓ×Ãçto sho1 and sho2£¬°üÀ¨È±ÏÝÒ¶polarity.the tasir -ARF ÂÑÁÑ ²úÆ·µÄÔËËÍÐèʱ/ARF µÄ»ùÒòÒ²ÑÏÖØ¼õÉÙ£¬ÔÚ֣˶ͻ±äÖêÊ÷Ã磬ËüÒ²ÓпÉÄÜÊÇÒ»¸öȱµã£¬ÔÚÉú²úÖеÄÒ»¸öδ֪С·Ö×Ó¸ÉÈźËÌǺËËᣬÕë¶Ô¸ÃǰÕ×mir166 £¬µ¼ÖÂÔÚÔö¼ÓÁËÎȶ¨µÄǰÌåºÍoveraccumulation¶Ômir166 ¡£ |
5Â¥2007-12-03 19:23:56













»Ø¸´´ËÂ¥