¼¹×µ¶¯ÎïÅßÌ¥·¢ÓýÊÇÊܵ½ÑÏ¿áʱ¿Õµ÷¿ØµÄ¶¯Ì¬Àú³Ì¡£ÔÚÕâ¸öÀú³ÌÖУ¬Ï¸°û»áÊܵ½×ªÂ¼Òò×Ó£¬ÐźÅͨ·£¬Ï¸°ûÍâ»ùÖʵȶàÖÖÒòËصÄÅäºÏÓ°Ï죬´Ó¶øµ¼ÖÂϸ°ûÔÚ¶Ìʱ¼ä±¬·¢»ùÒò±í´ïºÍϸ°û״̬µÄÇ¿ÁҸı䣬²¢×ßÏò²î±ðµÄÔËÆø£¬Íƶ¯ÅßÌ¥·¢ÓýÀú³Ì¡£Òò´Ë£¬ÏµÍ³ÐÔµÄ̽ÌÖÔÚ²î±ðʱ¿Õγ¶ÈÉÏ£¬ÕâЩµ÷¿ØÒò×ÓÊÇÔõÑù»¥×÷ÒÔ¼°ÅäÏàÖúÓã¬ÒÔÍê³É¶ÔÅßÌ¥·¢ÓýÑÏ¿áÇÒϸÃܵĿØÖÆÊÇÆÊÎöÅßÌ¥·¢ÓýµÄÖ÷Ҫ;¾¶¡£ËäÈ»ÒÔÍùµÄÑо¿ÒѾ´Óµ¥Ï¸°û²ãÃæÕ¹ÏÖÁËÅßÌ¥·¢ÓýµÄµ÷¿ØÈ«¾°£¬¿ÉÊÇÊÜÏÞÓÚÊÖÒÕÎÊÌ⣬»¹Ã»ÓÐÑо¿Äܹ»ÍŽá»ùÒò±í´ïµÄ¿Õ¼äÐÅÏ¢¶ÔÕâÒ»Àú³Ì¾ÙÐÐÒ»¸öÔ½·¢ÖÜÈ«µÄ̽Ë÷¡£
2022Äê5ÔÂ4ÈÕ£¬ÉîÛÚ»ª´óÉúÃü¿ÆѧÊÖÒÕѧԺÁõÁúÆæ¿ÎÌâ×é¡¢»ªÖÐÅ©Òµ´óѧ¶Ö¾Ç¿¿ÎÌâ×éÔÚ¹ú¼ÊȨÍþÆÚ¿¯Developmental CellÔÚÏß½ÒÏþÌâΪ¡°Spatiotemporal mapping of gene expression landscapes and developmental trajectories during zebrafish embryogenesis¡±µÄÑо¿ÂÛÎÄ¡£¸ÃÑо¿Ê¹ÓÃStereo-seqʱ¿Õ×éѧÊÖÒÕ£¬ÍŽá¶àÇÐƬսÂÔ£¬ÔÚ³¬¸ßÇø·ÖÂʵÄÅä¾°ÏÂÊ״λæÖÆÁË°ßÂíÓãÅßÌ¥Êܾ«ºó24hÄÚ6¸öÒªº¦·¢Óýʱ¼äµãµÄʱ¿Õת¼ͼÆ×£¬ÒÔ¼°¾ßÓпռäÐÅÏ¢µÄ·¢Óý¹ì¼££¬Îª¿Æѧ¼Ò½øÒ»²½Ì½ÌÖÅßÌ¥±¬·¢ÖÐϸ°ûµÄʱ¿Õת±äÌṩÁËÒ»¸ö¿ª·ÅµÄÊý¾Ý¿âºÍÀíÂÛÖ§³Ö¡£
¸ÃÑо¿Ñ¡È¡ÁË°ßÂíÓãÔçÆÚÅßÌ¥·¢ÓýÖÐ6¸öÒªº¦Ê±¼äµã£¨3.3, 5.25, 10, 12, 18, 24 hpf£©¾ÙÐÐ Stereo-seq ²âÐò£¬ÔÚ10 ¦Ìm£¨bin 15, 200*200 DNB£¬Ï൱ÓÚ1¸öϸ°ûÖ±¾¶£©µÄÇø·ÖÂÊÏ»æÖÆ°ßÂíÓãÅßÌ¥·¢ÓýµÄʱ¿Õת¼ͼÆס£ÔÚ³¬¸ßÇø·ÖÂʵÄÅä¾°Ï£¬Í¨¹ý¶Ô²î±ð×éÖ¯½øÒ»²½µÄÏ꾡·ÖȺÒÔ¼°ÍŽá²î±ðÇøÓòµÄmarker»ùÒò£¬ÔÚ¿Õ¼äλÖÃÉÏ£¬¶ÔÏàÁÚ×éÖ¯»òÊÇͳһ×éÖ¯²î±ðÇøÓòºÍ²î±ðϸ°ûÀàÐ;ÙÐÐÁËÃ÷È·µÄÇøÓò»®·Ö£¬²¢·¢Ã÷ÁËһЩÀàȺDZÔÚµÄmarker»ùÒò£¬ÒÔ¼°Ì½ÌÖÁË24hpfÅßÌ¥µÄºóÄÔÖвî±ð·Ö½â״̬µÄÉñ¾¸Éϸ°û¾ßÓеĿռäÂþÑÜÌص㡣ͬʱ»¹Í¨¹ý¿Õ¼ä»ùÒòÄ£¿éÕ¹ÏÖÁ˲î±ð¿Õ¼äÇøÓòÖ®¼ä£¬ÈçÏàͬȪԴµÄ²î±ð×éÖ¯»òλÖÃÁÚ½üµÄ²î±ð×éÖ¯Ö®¼äµÄ»¥×÷¹ØϵºÍÒªº¦µ÷¿ØÒò×Ó£¬²¢Í¨¹ý²î±ðÄ£¿éÖ®¼äµÄ»¥×÷ÆÊÎö·¢Ã÷ת¼Òò×Ó sox10 ¶Ôneural crest·Ö½â¾ßÓÐÖ÷Òªµ÷¿Ø×÷Óá£
³ý´ËÖ®Í⣬ΪÁ˸ü׼ȷµØÃè»æÅßÌ¥·¢ÓýÀú³ÌÖеÄϸ°û·Ö½â¹ì¼££¬´ËÑо¿Ñ¡È¡Á˺Íʱ¿Õת¼×éͬÑùµÄ6¸öʱ¼äµãµÄ°ßÂíÓãÅßÌ¥¾ÙÐе¥Ï¸°ûת¼×é²âÐò£¬Í¨¹ý SPOTlight ½« scRNA-seq µÄЧ¹ûÓ³Éäµ½ Stereo-seq ºó£¬»ñµÃÁË°ßÂíÓãÅßÌ¥·¢ÓýÖÐϸ°ûÔËÆøת±äºÍ·Ö×Óת±äµÄʱ¿Õ·¢Óý¹ì¼££¬´Ó¶ø·¢Ã÷ÁËϸ°û¿Õ¼ä΢ÇéÐκÍϸ°ûÔËÆø×ßÏòÖ®¼äµÄ¹Øϵ¡£ÓÉÓÚÔÚÅßÌ¥·¢ÓýÀú³ÌÖУ¬ÊÜÌå-ÅäÌå¶ÔµÄ»¥×÷Ê©Õ¹ÁËÖ÷ÒªµÄ¹¦Ð§£¬¸ÃÑо¿Í¨¹ýÅÌËã6¸öʱ¼äµãÖвî±ðÊÜÌå-ÅäÌå¶ÔÖ®¼äµÄÏà¶Ô¾àÀ룬¶Ô°ßÂíÓãÅßÌ¥·¢ÓýÖпÉÄܱ£´æ»¥×÷µÄÊÜÌå-ÅäÌå¶Ô¾ÙÐÐÕ¹Íû£¬ÍÚ¾ò³öһЩDZÔڵĻ¥×÷¹ØϵÒÔ¼°ËûÃÇÔÚ·¢ÓýÖеĶ¯Ì¬×ª±ä£¬Èç·¢ÓýÖÐÓë mdka ÅäÌ廥×÷µÄDZÔÚÊÜÌå¡£×îºóÓÉÓÚNotchÐźÅͨ·¶Ô°ßÂíÓãÅßÌ¥·¢Óý¾ßÓÐÖ÷Òª¹¦Ð§£¬¸ÃÑо¿ÒÔNotchΪÀý£¬ÐÎòÁËNotchÅäÌå-ÊÜÌå¶ÔµÄ¶¯Ì¬×ª±ä£¬²¢Í¨¹ý¿Õ¼ä»ùÒòÄ£¿éºÍGOÆÊÎö£¬ÆÊÎöÔÚ²î±ðʱÆÚNotch¶Ô²î±ð×éÖ¯·¢ÓýµÄµ÷¿ØÀú³Ì¡£
ͼ1 ʹÓÃStereo-seq£¨×󣩺ÍscRNA-seq£¨ÓÒ£©ÊÖÒÕ£¬»æÖÆ°ßÂíÓãÅßÌ¥·¢ÓýµÄʱ¿Õת¼ͼÆ׺Íϸ°ûµÄʱ¿Õ·Ö½â¹ì¼£¡£
×ÛÉÏËùÊö£¬¸ÃÑо¿Ê¹ÓÃStereo-seq¿Õ¼äת¼×éÊÖÒÕ£¬ÒÔÊܾ«ºó24hÖ®ÄÚ6¸öʱ¼äµãµÄ°ßÂíÓãÅß̥ΪÑо¿¹¤¾ß£¬Ê״λæÖÆÁË°ßÂíÓãÅßÌ¥·¢ÓýµÄ¿Õ¼äת¼ͼÆ×£¬²¢ÍŽáscRNA-seq¹¹½¨ÁËϸ°û·Ö½âʱ¿Õ¹ì¼£¡£¸ÃÑо¿ÎªÌ½Ë÷¼¹×µ¶¯ÎïÅßÌ¥·¢ÓýÌṩÁËÒ»¸ö¿É¹©²Î¿¼µÄ¿ª·ÅÊý¾Ý¿â£¬Äܹ»ÓÃÀ´´Ó²î±ðά¶ÈÆÊÎöÅßÌ¥µÄÔçÆÚ·¢ÓýÀú³Ì¡£
ÉîÛÚ»ª´óÉúÃü¿ÆѧÊÖÒÕѧԺÁõÁúÆæ½ÌÊÚ£¬»ªÖÐÅ©Òµ´óѧ¶Ö¾Ç¿½ÌÊÚ£¬ÉîÛÚ»ª´óÉúÃü¿ÆѧÊÖÒÕѧԺÐìѶ½ÌÊÚΪ±¾ÎÄÅäºÏͨѶ×÷Õߣ¬ÉîÛÚ»ª´óÉúÃü¿ÆѧÊÖÒÕѧԺÁõ³©£¬Àî¬ÀîÑÁÖÐãÃ㬻ªÖÐÅ©Òµ´óѧÕÔâý³¿£¬Çൺ»ª´óÁõȺΪÅäºÏµÚÒ»×÷Õß¡£¸ÃÑо¿ËùÓðßÂíÓãΪÀ´×Ô¹ú¼ÒË®ÉúÉúÎïÖÖÖÊ×ÊÔ´¿â¹ú¼Ò°ßÂíÓã×ÊÔ´ÖÐÐÄËùÌṩµÄ±ê×¼ABÒ°ÉúÐÍƷϵ¡£