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The Code Breaker




à»ç¹Ë¹Ñ§Ê×Í·ÕèºÍ¡àÅèÒ»ÃÐÇѵԢͧ Jennifer Doudna áÅÐ àÃ×èͧÃÒÇà¡ÕèÂǡѺ¡ÒõѴµèÍÂÕ¹ ä´éÍÂèÒ§¹èÒʹ㨠à¹×éÍËÒàÃÔèÁ¨Ò¡¡ÒÃá¹Ð¹ÓªÕÇ»ÃÐÇÑµÔ ¤Çº¤Ùè仡Ѻ¤ÇÒÁÃÙéàÃ×èͧà¡ÕèÂǡѺ DNA RNA CRISPR ¡ÅèÒǶ֧¡Òä鹾º¢Í§¹Ñ¡ÇÔ·ÂÒÈÒµÃìÁÒ¡ËÅÒ¤¹·Õèà»ç¹¾×é¹°Ò¹¤ÇÒÁÃÙé ·Ñ駡ÒÃÃèÇÁÁ×ÍáÅСÒÃá¢è§¢Ñ¹ã¹§Ò¹ÇԨѨ¹·ÓãËéä´éÃѺÃÒ§ÇÑÅâ¹àºÅ µèÍà¹×èͧä»àÃ×èͧ¡ÒõѴµèÍÂÕ¹ ¡ÒûÃÐÂØ¡µìãªéà¾×èÍÃÑ¡ÉÒâä·Ò§¾Ñ¹¸Ø¡ÃÃÁ ¡Ò÷´Åͧã¹Á¹ØÉÂì ¨ÃÔ¸ÃÃÁ·Õèµéͧ¾Ô¨ÒÃ³Ò Âѧä´é¡ÅèÒǶ֧¡ÒÃãªé¤ÇÒÁÃÙéã¹àÃ×èͧàËÅèÒ¹ÕéµèÍ¡ÒÃá¡é»Ñ­ËÒâäÃкҴ ·Õèà¡Ô´¨Ò¡ Coronavirus ´éÇÂ
DNA  ¨Ð¶Ù¡ converted transcribed ä»à»ç¹ messenger RNA (âÁàÅ¡ØÅ·Õè¹Ó¢éÍÁÙÅ) mRNAã¹ÊѵÇìÁÕªÔé¹Êèǹ·ÕèàÃÕ¡ÇèÒ introns ÊÒÂÂÒÇà¡çº¢éÍÁÙÅ´éÒ¹¾Ñ¹¸Ø¡ÃÃÁ·ÕèäÁèä´éà»ÅÕè¹à»ç¹Êèǹ˹Ö觢ͧâ»ÃµÕ¹â´ÂµÃ§ ªÔé¹Êèǹ introns ¹Õéµéͧ¶Ù¡µÑ´ÍÍ¡¨Ò¡ mRNA ¡è͹·Õè¨Ð¶Ù¡ãªéà¾×èͼÅÔµâ»ÃµÕ¹ ´éÇ¡ÒõѴÃٻẺµèÒ§æ¢Í§  introns ¨Ò¡ mRNA  ·ÓãËéä´éâ»ÃµÕ¹·ÕèËÅÒ¡ËÅÒ¨ҡÂÕ¹à¾Õ§ÂÕ¹à´ÕÂÇ ã¹Á¹ØÉÂìáÅÐÊÔè§ÁÕªÕÇÔµËÅÒª¹Ô´ ÁÕâÁàÅ¡ØÅ·ÕèàÃÕ¡ÇèÒ spliceosome «Öè§à»ç¹RNA ¡Ñº â»ÃµÕ¹·Ó˹éÒ·Õè splicing  ã¹áº¤·ÕàÃÕÂáÅÐàª×éÍÃÒ  intron ÊÒÁÒö¾ººÔ´§Íã¹ÃÙ»¨Óà¾ÒзÓãËéᡨҡ mRNA ä´éàͧ 
Doudna ¡Ñº Szostak ÊÒÁÒöÊÒÁÒöÊÃéÒ§ ribozyme ·ÕèÊÒÁÒöspliceáÅÐ copy µÑÇÁѹàͧ RNA catalyzed RNA replication 
ä´éÁÕ¡ÒþÂÒÂÒÁÈÖ¡ÉÒâ¤Ã§ÊÃéÒ§ RNA â´Â¡Ò÷ÓãËé liquid RNA µ¡¼ÅÖ¡ áÅéÇãªéà·¤¹Ô¡ Xray crystallography ·Ñé§ super cooling áÅÐ ãªé  osmium hexamine ÇÔà¤ÃÒÐËìͧ¤ì»ÃСͺáÅÐÃÙ»ÃèÒ§
RNA interference phenomenon à¡Ô´¢Öé¹ â´Â  enzyme Dicer ¤Ñ´RNA à»ç¹ªÔé¹ÊèǹàÅç¡æ·ÕèÊÒÁÒö¤é¹ËÒáÅзÓÅÒ mRNA  à»ÃÕºàËÁ×͹äÁéºÃ÷Ѵ·Õè´éÒ¹ÁÕ˹Öè§ÁÕ·Õè¨Ñº áÅÐÍÕ¡´éÒ¹à»ç¹¡ÃÃä¡Ã ÁÕ¡ÒÃÈÖ¡ÉÒâ¤Ã§ÊÃéÒ§ à¾×èÍ·Õè¨Ð´Ñ´á»Å§ÁÒãªéËÂØ´¡Ò÷ӧҹͧÂÕ¹  Ấ·ÕàÃÕÂä´éÍÒÈÑ¡Å䡹Õé㹡ÒõèÍÊÙé¡ÑºäÇÃÑÊ
ÁÕ¡ÒÃÈÖ¡ÉÒ DNA ¢Í§àª×éÍ E.coli  ÁÕÃٻẺ¡ÒÃàÃÕ§µÑǢͧ nucleotide «éÓà»ç¹ªØ´æ ãËéª×èÍ ÇèÒ spacer µÍ¹¹Ñé¹ÂѧäÁèÃÙéÇèÒÓ˹éÒ·ÕèÍÐäà ÁÕ¡ÒÃÈÖ¡ÉÒ ã¹ Archea ¾ºDNA sequences ·ÕèàÃÕ§à»ç¹ palindromes (ÍèÒ¹ä»áÅСÅѺä´éàËÁ×͹¡Ñ¹)  µÍ¹ËÅѧãËéª×èÍ ÇèÒ CRISPR  clustered regulary interspaced short palindromic repeats
ÊÔè§ÁÕªÔÇÔµ·Õè CRISPR ÁÑ¡¨ÐÁÕ Âչ˹Ö觵Դ¡Ñ¹·Õè·Ó˹éÒencode ¼ÅÔµ enzyme àÃÕ¡ CRISPR associated (Cas enzymes) µèÍÁҡ羺ÇèÒ  spacer sequenceä» µÃ§¡Ñº sequence ¢Í§äÇÃÑÊ·Õèâ¨ÁµÕ (phages) E.coli ·ÕèÁÕ CRISPR spacer µÃ§¡ÑºäÇÃÑʹÕéÁÕÀÙÁÔ¤ØéÁ¡Ñ¹µèÍäÇÃÑʪ¹Ô´¹Ñé¹ áÅÐÂѧÊÒÁÒöà»ÅÕè¹á»Å§ÃѺÁ×͡ѺäÇÃÑÊãËÁèæä´é´éÇÂ
µÍ¹áá¡ç¤Ô´ÇèÒ CRISPR associated enzyme ¹Õé¨ÑºªÔé¹Êèǹ˹Öè§ ¢Í§DNA virus  ÁÒäÇéã¹  DNA ¢Í§áº¤·ÕàÃÕ àËÁ×͹¡ÑºµÑ´áÅÐà¡çºÃÙ»ÀÒ¾¢Í§àª×éÍäÇÃÑÊ ¤Ò´ÇèÒ¡Å䡵è͵éÒ¹¹Õé·Ó§Ò¹¼èÒ¹ RNA interfernce
ä´éÁÕ¡ÒÃÈÖ¡ÉÒ Cas 1 ÃٻẺ¡ÒþѺ·Õè੾ÒÐ à»ç¹¡Åä¡·ÕèẤ·ÕàÃÕÂãªéµÑ´ªÔé¹Êèǹ DNA ¢Í§äÇÃÑÊ·ÕèÃØ¡ÅéÓ áÅйÓÁÒà¡çºäÇéã¹ CRISPR array ¹Õè¡Åä¡ÊӤѭ㹡Ò质ӢͧÀÙÁÔ¤ØéÁ¡Ñ¹
¾ºªÔé¹Êèǹ CRISPR ¢Í§àª×éÍ Streptococcus thermophilus ·Õèãªé㹡ÒüÅÔµªÕÊ âÂà¡ÔÃìµ µÃ§¡Ñ¹¡Ñº sequence ¢Í§äÇÃÑÊ·Õèà¤ÂÁÒâ¨ÁµÕÁѹ  áÅÐÂѧÊÒÁÒö´Ñ´á»Å§ CRiSPR-Cas ãËéàª×éÍÁÕÀÙÁÔµèÍäÇÃÑÊä´é´éÇÂ
 CRISPR ¹ÕéäÁèä´é·Ó§Ò¹¼èÒ¹ RNA  interfernece  à»éÒËÁÒÂÁѹ¤×Í DNA ¨Ö§ÁÕ¡ÒùÓÁÒãªé à»ç¹à¤Ã×èͧÁ×͵ѴµèÍÂÕ¹
Cas 6 à»ç¹ Hairpin RNA  ÊÒÁÒö¨´¨ÓáÅеѴ RNA·ÕèµÓá˹è§à©¾ÒÐä´é ÈÖ¡ÉÒâ´Âãªé Single molecule fluorescence ä´é¾Ñ²¹ÒÁÒà»ç¹ diagnostic tool ·ÕèãªéµÃǨäÇÃÑÊ
CRISPR RNA crRNAs  ¤×ͪÔé¹Êèǹ RNA ·ÕèÁÕ gneetic code äÇÃÑÊ·Õèà¤Ââ¨ÁµÕÁÒ¡è͹  ·Ó§Ò¹Ãèǹ¡Ñº Cas enzymes ¨Ñ´¡ÒÃäÇÃÑÊ ã¹  CRISPR Cas 9 Âѧµéͧãªé trans-activating CRISPR RNA  tracrRNA ªèÇÂ㹡ÒÃÊÃéÒ§ crRNA áÅÐÂѧªèÇÂãËé crRNA ·ÕèµÓá˹觷Õè¶Ù¡µéͧÊÓËÃѺ Cas 9 enzyme ¨ÐµÑ´ 



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