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ϸ°ûºË»Ö¸´»ùÒò¶Ô»¨·ÛµÄÓýÐÔ´æÔÚ¶àÖÖµ÷¿Ø·½Ê½£ºÈçת¼ˮƽ£¨transcriptional level£©¡¢×ªÂ¼ºó¼Ó¹¤£¨transcriptional processing£©¡¢·Òëˮƽ£¨translational level£©ºÍ·ÒëºóÐÞÊΣ¨translational modification£©¡£Èç¹ûÓñÃ×µÄÐÛÐÔ²»ÓýÓëorf110µÄ±í´ïÓйأ¬Æä¿ÉÄÜÐÛÐÔ²»ÓýÓëÓýÐÔ»Ö¸´µÄµ÷¿Ø»úÖÆ¿ÉÒÔÍÆ²âΪ£ºorf110ÔÚ²»Óýϵ»¨ÀÙÖбí´ï²¢·ÒëijÖÖÓж¾µ°°×(Cytotoxic Peptide)£¬Ôì³ÉÐÛÐÔ²»Óý£»±£³Öϵ»¨ÀÙÖÐûÓбí´ïorf110£¬Òò´Ë²»´æÔÚÕâÖÖÓж¾µ°°×¶ø±íÏÖΪ¿ÉÓý£¨fertile£©£»ÓÉÓÚ¿ÉÓýF1´øÓлָ´»ùÒò£¨restorer gene£©£¬ËùÒÔ¾¡¹Ü¿ÉÓýF1»¨ÀÙÖÐת¼ÁËorf110£¬µ«»Ö¸´»ùÒò¿ÉÄÜÒÔת¼ºó¼Ó¹¤(transcriptional processing)¡¢·Òëˮƽ£¨translational level£©»ò·ÒëºóÐÞÊÎ (translational modification)·½Ê½Ê¹orf110ת¼±¾²»ÄÜ·Òë»ò·Òë³öµÄµ°°×ÖʶԻ¨ÀÙ·¢ÓýûÓÐË𺦣¬´Ó¶ø»Ö¸´ÁËF1µÄÓýÐÔ¡£»Ö¸´»ùÒòÓëorf110ת¼±¾Ö®¼äµÄ»¥×÷¹ØÏµ£¬ÐëÉîÈëÑо¿²ÅÄÜÈ·¶¨¡£ [ Last edited by dengminghua on 2010-11-21 at 13:46 ] |
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petrocatal
ľ³æ (ÕýʽдÊÖ)
- ·ÒëEPI: 134
- Ó¦Öú: 23 (СѧÉú)
- ¹ó±ö: 0.01
- ½ð±Ò: 3436.6
- Ìû×Ó: 959
- ÔÚÏß: 299.5Сʱ
- ³æºÅ: 557856
dengminghua(½ð±Ò+25, ·ÒëEPI+1):·Òë²»ÊǺܺ㬵«»¹ÊÇÐÁ¿àÁË£¬¸ÐлÄãµÄÈÈÐÄ¡£¼ÌÐøÇóÖú£¬Ò²¿ÉÔÚ´Ë»ù´¡ÉÏÐ޸ġ£ 2010-11-21 23:21:38
| The procreation of farna could be adjusted by nucleolus restorer genes in various modes, such as transcriptional level, transcriptional processing, translational level and translational modification. If the sterility of the male corn is dependent on the expression of orf110, the adjusted mechanisms for the unpre and restoration of the male can be proposed that a cytotoxic peptide might be responsible for the sterility of the male corn. Such cytotoxic peptide is generated by expression and translation of the sterile bud. Because orf110 did not be expressed by the remained buds, generation of the cytotoxic peptide is not reponsable for the fertility the buds. As is known to us, fertile F1 buds own the restorer genes. Therefore£¬though orf110 was transcripted by fertile F1 buds, restorer genes have orf110 not being transcripted in the ways of transcriptional processing, translational level and translational modification, or have the transcripted proteins not damage the growth of bud, resulting in recovering procreation of F1. Due to the complexity of such process, a deep study is required to clarify the interaction between restorer genes and orf110 transcript. |
2Â¥2010-11-21 15:58:55
petrocatal
ľ³æ (ÕýʽдÊÖ)
- ·ÒëEPI: 134
- Ó¦Öú: 23 (СѧÉú)
- ¹ó±ö: 0.01
- ½ð±Ò: 3436.6
- Ìû×Ó: 959
- ÔÚÏß: 299.5Сʱ
- ³æºÅ: 557856
dengminghua(½ð±Ò+35):±ÈµÚÒ»´ÎµÄ·Òë¸Ð¾õºÃ¶àÁË£¬Ó¦¸ÃÉÔ΢¸Ä¸Ä£¬¾Í¿ÉÒÔÓÃÁË£¬Ð»Ð»¡£ÎÒ½«·ÒëÕûÀíÁËһϣ¬¸úÌùÔÚºóÃæ£¬Ä㻹ÄܰïÎÒÔÚ¿´¿´Âð 2010-11-22 21:05:45
| The sterility of farina could be regulated by nucleolus restorer genes via various approaches, such as transcriptional level, transcriptional processing, translational level and translational modification. If the sterility of the male corn is related to the expression of orf110, the controled mechanisms for the sterility and restoration of the male could be proposed. Orf110a expressed and translated certain cytotoxic peptide in the sterile bud, resulting in the sterility of the male corn. On the contrary, the male corn is ferlile without the occurance of the above process. As is known to us, fertile F1 ownes the restorer genes. Therefore£¬though orf110 was transcripted by fertile F1 buds, restorer genes could prevent orf110 transcript from translating in the ways of transcriptional processing, translational level and translational modification, or prevent the translated proteins from damaging to the growth of bud, resulting in restoring the fertility of F1. Due to the complexity of such process, a deep study is required to clarify the interaction between restorer genes and orf110 transcript. |
3Â¥2010-11-22 00:19:28
ÎÒÕûÀíÁËһϷÒ룬Âé·³ÔÙ°ïÎÒ¿´¿´¡£ÏÈлÁË
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Èç¹ûÓñÃ×µÄÐÛÐÔ²»ÓýÓëorf110µÄ±í´ïÓйأ¬ÆäÐÛÐÔ²»ÓýÓëÓýÐÔ»Ö¸´¿ÉÄܵĵ÷¿Ø»úÖÆ¿ÉÒÔÍÆ²âΪ£ºorf110ÔÚ²»Óýϵ»¨ÀÙÖбí´ï²¢·ÒëijÖÖÓж¾µ°°×(Cytotoxic Peptide)£¬Ôì³ÉÐÛÐÔ²»Óý£»±£³Öϵ»¨ÀÙÖÐûÓÐorf110µÄ±í´ï£¬Òò¶ø±íÏÖΪ¿ÉÓý£¨fertile£©£»ÓÉÓÚ¿ÉÓýF1´øÓлָ´»ùÒò£¨restorer gene£©£¬ËùÒÔ¾¡¹Ü¿ÉÓýF1»¨ÀÙorf110ת¼Õý³££¬µ«»Ö¸´»ùÒò¿ÉÄÜÒÔת¼ºó¼Ó¹¤(transcriptional)¡¢·Òë»ò·ÒëºóÐÞÊÎ (translational/post-translational modification)·½Ê½Ê¹orf110ת¼±¾²»ÄÜ·Òë»ò·Òë³öµÄµ°°×ÖʶԻ¨ÀÙ·¢ÓýûÓÐË𺦣¬´Ó¶ø»Ö¸´ÁËF1µÄÓýÐÔ¡£»Ö¸´»ùÒòÓëorf110ת¼±¾Ö®¼äµÄ»¥×÷¹ØÏµ£¬ÐëÉîÈëÑо¿²ÅÄÜÈ·¶¨¡£ If the cytoplasmic male sterility in corn is related with the orf110, the possible regulatory mechanism of CMS and of fertility restoration are as the follows. In CMS line, orf110 was transcripted and was translated a kind of cytotoxic peptide in buds resulting in male sterility; On the contrary, the maintain line was fertile for without transcription of orf110; As is known to us, fertile F1 ownes the restorer genes; Though orf168 was transcripted normally in fertile F1 buds, through the post-transcriptional or translational/post-translational modification, the restorer genes could prevent orf110 transcript from translating or modify the translated-protein to lessen or eliminate the deleterious effects on the growth of buds, resulting in fertility restoration of F1. Due to the complexity of such process, a deep study is required to clarify the interaction between restorer genes and orf110 transcript. |
4Â¥2010-11-22 21:06:34
petrocatal
ľ³æ (ÕýʽдÊÖ)
- ·ÒëEPI: 134
- Ó¦Öú: 23 (СѧÉú)
- ¹ó±ö: 0.01
- ½ð±Ò: 3436.6
- Ìû×Ó: 959
- ÔÚÏß: 299.5Сʱ
- ³æºÅ: 557856
|
Be related to ²»ÊÇwith Èç¹ûÒªÕýÈ··ÒëµÄ»°£¬¿ÉÄÜÒª¸ãÇåһЩÎÊÌâ¡£Ó¢Óï²»ÊǺºÓï×Ö×Ö·ÒëÖ±½Ó£¡ Èç¹ûÓñÃ×µÄÐÛÐÔ²»ÓýÓëorf110µÄ±í´ïÓйأ¬ÆäÐÛÐÔ²»ÓýÓëÓýÐÔ»Ö¸´¿ÉÄܵĵ÷¿Ø»úÖÆ¿ÉÒÔÍÆ²âΪ¡£ orf110ÔÚ²»Óýϵ»¨ÀÙÖбí´ï²¢·ÒëijÖÖÓж¾µ°°×(Cytotoxic Peptide)£¬Ôì³ÉÐÛÐÔ²»Óý¡£ µ½µ×ÊÇorf110·Òëת¼Óж¾µ°°×£¬»¹ÊDZ»×ªÂ¼£¨ËÊÇÖ÷¶¯µÄ£¿£¿£¿£¿£© ±£³Öϵ»¨ÀÙÖÐûÓÐorf110µÄ±í´ï£¬Òò¶ø±íÏÖΪ¿ÉÓý£¨fertile£©¡£ ±£³ÖϵµÄרҵӢÓïÓ¦¸ÃÔõô·Ò룿Õâ¾ä»°ÊDz»ÊǵÚÒ»¾ä»°µÄ·´Àý£¬Èç¹ûÊǵϰ£¬ÕÕÎÒÒÔǰµÄ·ÒëÓ¦¸Ã±È½ÏºÃ ÓÉÓÚ¿ÉÓýF1´øÓлָ´»ùÒò£¨restorer gene£©£¬ËùÒÔ¾¡¹Ü¿ÉÓýF1»¨ÀÙorf110ת¼Õý³££¬ µ«»Ö¸´»ùÒò¿ÉÄÜÒÔת¼ºó¼Ó¹¤(transcriptional)¡¢·Òë»ò·ÒëºóÐÞÊÎ (translational/post-translational modification)·½Ê½Ê¹orf110ת¼±¾²»ÄÜ·Òë»ò·Òë³öµÄµ°°×ÖʶԻ¨ÀÙ·¢ÓýûÓÐË𺦣¬´Ó¶ø»Ö¸´ÁËF1µÄÓýÐÔ¡£ ÊÇÈçÏÂÒâ˼£¿£º×ªÂ¼±¾²»ÄÜ·Ò룬»òÕßת¼±¾·Òë³öµÄµ°°×ÖʶԻ¨Ã»ÓÐÉ˺¦£¿ |
5Â¥2010-11-22 21:58:44
6Â¥2010-11-22 23:07:36













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