PCR扩增的OsU3-gRNA单元序列(564 bp, Bsa I 酶切后534 bp)
TTCAGAGGTCTCTNNNNCTCTGGAATCGGCAGCAAAGGACGCGTTGACATTGTAGGACTATATTGCTCTAATAAAGGAAGGAATCTTTAAACATACGAACAGATCACTTAAAGTTCTTCTGAAGCAACTTAAAGTTATCAGGCATGCATGGATCTTGGAGGAATCAGATGTGCAGTCAGGGACCATAGCACAAGACAGGCGTCTTCTACTGGTGCTACCAGCAAATGCTGGAAGCCGGGAACACTGGGTACGTTGGAAACCACGTGTGATGTGAAGGAGTAAGATAAACTGTAGGAGAAAAGCATTTCGTAGTGGGCCATGAAGCCTTTCAGGACATGTATTGCAGTATGGGCCGGCCCATTACGCAATTGGACGACAACAAAGACTAGTATTAGTACCACCTCGGCTATCCACATAGATCAAAGCTGGTTTAAAAGAGTTGTGCAGATGATCCGTGGCA (19-20pb靶序列）
GTTTTAGAGCTAGAAATAGCAAGTTAAAATAAGGCTAGTCCGTTATCAACTTGAAAAAGTGGCACCGAGTCGGTGCTTTT TTTCAAGAGCTTGGAGTGGATGGACCNNNNCGAGACCCACGCT
OsU6a-gRNA载体部分序列BamHIacccggGGATCCTAGCCGGGTCTCGGTTTTAGAGCTAGAAATAGCAAGTTAAAATAAGGCTAGTCCGTTATCAACTTGAAAAAGTGGCBsaIACCGAGTCGGTGCTTTTTTTCAAGAGCTTGGAGTGGATGGAATTTTCCTCCGTTTTACCTGTGGAATCGGCAGCAAAGGATTTTTTCCTGTAGTTTTCCCACAACCATTTTTTACCATCCGAATGATAGGATAGGAAAAATATCCAAGTGAACAGTATTCCTATAAAATTCCCGTAAAAAGCCTGCAATCCGAATGAGCCCTGAAGTCTGAACTAGCCGGTCACCTGTACAGGCTATCGAGATGCCATACAAGAGACGGTAGTAGGAACTAGGAAGACGATGGTTGATTCGTCAGGCGAAATCGTCGTCCTGCAGTCGCATCTATGGGCCTGGACGGAATAGGGGAAAAAGTTGGCCGGATAGGAGGGAAAGGCCCAGGTGCTTACGTGCGAGGTAGGCCTGGGCTCTCAGCACTTCGATTCGTTGGCACCGGGGTAGGATGCAATAGAGAGCAACGTTTAGTACCACCTCGCTTAGCTAGAGCAAACTGGACTGCCTTATATGCGCGGGTGCTGGCTTGGCTGCCGAGAGACCTTCTGAAGATAACATACTAAGCTTggcact(pUC18骨架）BsaIHindIII
PCR扩增的U6a-gRNA单元序列（629 bp, BsaI酶切后599 bp）：
TTCAGAGGTCTCTNNNNCTCTGGAATCGGCAGCAAAGGATTTTTTCCTGTAGTTTTCCCACAACCATTTTTTACCATCCGAATGATAGGATAGGAAAAATATCCAAGTGAACAGTATTCCTATAAAATTCCCGTAAAAAGCCTGCAATCCGAATGAGCCCTGAAGTCTGAACTAGCCGGTCACCTGTACAGGCTATCGAGATGCCATACAAGAGACGGTAGTAGGAACTAGGAAGACGATGGTTGATTCGTCAGGCGAAATCGTCGTCCTGCAGTCGCATCTATGGGCCTGGACGGAATAGGGGAAAAAGTTGGCCGGATAGGAGGGAAAGGCCCAGGTGCTTACGTGCGAGGTAGGCCTGGGCTCTCAGCACTTCGATTCGTTGGCACCGGGGTAGGATGCAATAGAGAGCAACGTTTAGTACCACCTCGCTTAGCTAGAGCAAACTGGACTGCCTTATATGCGCGGGTGCTGGCTTGGCTGCCG(19-20碱基靶序列）GTTTTAGAGCTAGAAA TAGCAAGTTAAAATAAGGCTAGTCCGTTATCAACTTGAAAAAGTGGCACCGAGTCGGTGCTTTTTTTCAAGAGCTTGGAGTGGATGGACCNNNNCGAGACCCACGCT
OsU6b-gRNA载体部分序列acccggGGATCCTAGCCGGGTCTCGGTTTTAGAGCTAGAAATAGCAAGTTAAAATAAGGCTAGTCCGTTATCAACTTGAAAAAGTGGCACCGAGTCGGTGCTTTTTTTCAAGAGCTTGGAGTGGATGGAATTTTCCTCCGTTTTACCTGTGGAATCGGCAGCAAAGGATGCAAGAACGAACTAAGCCGGACAAAAAAAAAAGGAGCACATATACAAACCGGTTTTATTCATGAATGGTCACGATGGATGATGGGGCTCAGACTTGAGCTACGAGGCCGCAGGCGAGAGAAGCCTAGTGTGCTCTCTGCTTGTTTGGGCCGTAACGGAGGATACGGCCGACGAGCGTGTACTACCGCGCGGGATGCCGCTGGGCGCTGCGGGGGCCGTTGGATGGGGATCGGTGGGTCGCGGGAGCGTTGAGGGGAGACAGGTTTAGTACCACCTCGCCTACCGAACAATGAAGAACCCACCTTATAACCCCGCGCGCTGCCGCTTGTGTTGAGAGACCTTCTGAAGATAACATACTAAGCTTggcact(pUC18骨架）
PCR扩增的U6b-gRNA单元序列（515 bp, BsaI酶切后485 bp）：
TTCAGAGGTCTCTNNNNCTCTGGAATCGGCAGCAAAGGATGCAAGAACGAACTAAGCCGGACAAAAAAAAAAGGAGCACATATACAAACCGGTTTTATTCATGAATGGTCACGATGGATGATGGGGCTCAGACTTGAGCT
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ACGAGGCCGCAGGCGAGAGAAGCCTAGTGTGCTCTCTGCTTGTTTGGGCCGTAACGGAGGATACGGCCGACGAGCGTGTACTACCGCGCGGGATGCCGCTGGGCGCTGCGGGGGCCGTTGGATGGGGATCGGTGGGTCGCGGGAGCGTTGAGGGGAGACAGGTTTAGTACCACCTCGCCTACCGAACAATGAAGAACCCACCTTATAACCCCGCGCGCTGCCGCTTGTGTTG(19-20碱基靶序列）GTTTTAGAGCTAGAAATAGCAAGTTAAAATA AGGCTAGT CCGTTATCAACTTGAAAAAGTGGCACCGAGTCGGTGCTTTTTTTCAAGAGCTTGGAGTGGA TGGACCNNNNCGAGACCCACGCT
OsU6c-gRNA载体部分序列acccggGGATCCTAGCCGGGTCTCGGTTTTAGAGCTAGAAATAGCAAGTTAAAATAAGGCTAGTCCGTTATCAACTTGAAAAAGTGGCACCGAGTCGGTGCTTTTTTTCAAGAGCTTGGAGTGGATGGAATTTTCCTCCGTTTTACCTGTGGAATCGGCAGCAAAGGActcattagcggtatgcatgttggtagaagtcggagatgtaaataattttcattatataaaaaaggtacttcgagaaaaataaatgcatacgaattaattctttttatgttttttaaaccaagtatatagaatttattgatggttaaaatttcaaaaatatgacgagagaaaggttaaacgtacggcatatacttctgaacagagagggaatatggggtttttgttgctcccaacaattcttaagcacgtaaaggaaaaaagcacattatccacattgtacttccagagatatgtacagcattacgtaggtacgttttctttttcttcccggagagatgatacaataatcatgtaaacccagaatttaaaaaatattctttactataaaaattttaattagggaacgtattattttttacatgacaccttttgagaaagagggacttgtaatatgggacaaatgaacaatttctaagaaatgggcatatgactctcagtacaatggaccaaattccctccagtcggcccagcaatacaaagggaaagaaatgagggggcccacaggccacggcccacttttctccgtggtggggagatccagctagaggtccggcccacaagtggcccttgccccgtgggacggtgggattgcagagcgcgtgggcggaaacaacagtttagtaccacctcgctcacgcaacgacgcgaccacttgcttataagctgctgcgctgaggctcagAGAGACCTTCTGAAGATAACATACTAAGCTTggcact(pUC18骨架）
PCR扩增的U6c-gRNA单元序列（924 bp, BsaI酶切后894 bp）：
TTCAGAGGTCTCTNNNNCTCTGGAATCGGCAGCAAAGGActcattagcggtatgcatgttggtagaagtcggagatgtaaataattttcattatataaaaaaggtacttcgagaaaaataaatgcatacgaattaattctttttatgttttttaaaccaagtatatagaatttattgatggttaaaatttcaaaaatatgacgagagaaaggttaaacgtacggcatatacttctgaacagagagggaatatggggtttttgttgctcccaacaattcttaagcacgtaaaggaaaaaagcacattatccacattgtacttccagagatatgtacagcattacgtaggtacgttttctttttcttcccggagagatgatacaataatcatgtaaacccagaatttaaaaaatattctttactataaaaattttaattagggaacgtattattttttacatgacaccttttgagaaagagggacttgtaatatgggacaaatgaacaatttctaagaaatgggcatatgactctcagtacaatggaccaaattccctccagtcggcccagcaatacaaagggaaagaaatgagggggcccacaggccacggcccacttttctccgtggtggggagatccagctagaggtccggcccacaagtggcccttgccccgtgggacggtgggattgcagagcgcgtgggcggaaacaacagtttagtaccacctcgctcacgcaacgacgcgaccacttgcttataagctgctgcgctgaggctcaG(19-20碱基靶序列）GTTTTAGAGCTAGAAATAGCAAGTTAAAATAAGGCTAGTCCGTTATCAACTTGAA AAAGTGGCACCGAGTCGGTGCTTTTTTTCAAGAGCTTGGAGTGGA TGGACCNNNNCGAGACCCACGCT
Background：
1. The original function of CRISPR:
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名词解释：crRNA: CRISPR RNA；tracrRNA: trans-activating CRISPR RNA；PAM : protospacer adjacent motif；
2. Cas9 can be guided by single chimeric RNA(gRNA):
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