short dispersed repeats
DESCRIPTION
Short Dispersed Repeats . Kaleigh , mariam , Michael and Nicholas . Start Associated Sequences in Enterobacteriophage. Kaleigh hedges . Ribosomal Binding Site (Shine- Dalgarno ). http:// themedicalbiochemistrypage.org / protein-synthesis.php#polya. - PowerPoint PPT PresentationTRANSCRIPT
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Short Dispersed Repeats KALEIGH, MARIAM, MICHAEL AND NICHOLAS
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Start Associated Sequences in EnterobacteriophageKALEIGH HEDGES
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Ribosomal Binding Site (Shine-Dalgarno)
http://themedicalbiochemistrypage.org/protein-synthesis.php#polya
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Is there a conserved sequence in Enterobacteriophage that could help support translation initiation?
Where are these repeats located? How far away from Gene start? What is the associated start codon?
Do the sequences contain the Shine-Dalgarno sequence or is it nearby?
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Biobike / MEME
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Start Associated Sequences found in Enterobacterioophage
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Full Length ERIC Sequence Occurrence in BacteriophageMICHAEL KIFLEZGHI
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Question: Do Bacteriophage contain ERIC sequences?
Some Bacteriophage have potential (and in some cases realized) clinical applications (1)
Bacteriophage sometimes acquire host DNA (2, 3)
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Enterobacterial Repetitive Intergenic Consensus Sequences
Wilson L A , and Sharp P M Mol Biol Evol 2006;23:1156-1168
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PhAnToMe/BioBIKE: detecting the imperfect palindrome
AATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT
Window
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PhAnToMe/BioBIKE: detecting the imperfect palindrome
AATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT
Window
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PhAnToMe/BioBIKE: detecting the imperfect palindrome
AATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT
Window
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PhAnToMe/BioBIKE: detecting the imperfect palindrome
AATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT
Window
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PhAnToMe/BioBIKE: detecting the imperfect palindrome
AATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT
Window
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PhAnToMe/BioBIKE: detecting the imperfect palindrome
AATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT
Window
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PhAnToMe/BioBIKE: detecting the imperfect palindrome
AATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT
Window
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PhAnToMe/BioBIKE: detecting the imperfect palindrome
AATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT
Window
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PhAnToMe/BioBIKE: detecting the imperfect palindrome
AATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGAGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT
Window
CACTTACTTGTGTA AGCTCCCGGAGGAT
TAGGAGGCCCTCGA
Reverse
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PhAnToMe/BioBIKE: detecting the imperfect palindrome
AATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGAGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT
Window
CACTTACTTGTGTA AGCTCCCGGAGGAT
TAGGAGGCCCTCGASCORE = 5
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Preliminary Results
Sequence found in Enterobacteria Phage Lambda
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Identification of Possible RNA Hairpin Sequences in sub-cluster B3Mycobacteriophages MARIAM SANKOH
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How did I get here?
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Where did I go from there?
Inputs
Sequence Number of Mismatches Organism
Display
Context of
Coordinate 1
Coordinate 2
Alignment of
Real Sequence with its reverse complement
Plain Sequence
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Sample Input and Output
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Location Identification of Initial Sequences
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PALINDROMES WITHIN GENES
Decrease Function Runtime
Decrease Noise and Repeats
Allow User to Expand Window Size ◦ Grab upstream and downstream
sequence
Confirm Repeated Sequences
Function determination of Hairpin Sequences
IMPROVEMENTS TO FUNCTION
What’s Next?
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Identification of Small Regulatory RNA within Miniature Inverse-Repeat Elements of E. Coli K-12
NICHOLAS RODRIGUEZ
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Questions? Can new genes be created by transposable elements?
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Questions? Can an organism make use of new genes in an advantageous way?
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Small Regulator y RNA Short ~19-25bp Palindromes Regulate gene expression?
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Proposed Mechanism
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Identification of microRNA-Size, Small RNAs in Escherichia coli. Kang et al 2013
Selectively Sequenced msRNA
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ERICSAATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT CATACCCTATGGATTTCTGGGTGCAGCAAGGTAGCAAGCGCCAGAATCCCCAGGAGCTTACATAAGTAAGTGACTGGGGTGAGGGCGTGAAGCTAACGCCGCTGCGGCCTGAAAGACGACGGGTATG CTCCCCCAAAATAGTTCGAGTTGCAGAAAGGCGGCAAGCTCGAGAATTCCCGGGAGCTTACATCAGTAAGTGACCGGGATGAGCGAGCGAAGATAACGCATCTGCGGCGCGAAATATGAAGGGGGAG TATACTCTAAATAATTCGAGTTGCAGGAAGGCGACAAGCGAGTGAATCGCCAGGAGCTTACATAAGTAAGTGACTGGGGTGAACGAACGCAGTCGCAGTACATGCAACTTGAAGTATGACGAGTATA TATACTCGTCATACTTCAAGTTGCATGTGCTGCGGCTGCATTCGTTCACCCCAGTCACTTACTTATGTAAGCTCCTGGGGCTTCACTCGTTTGCCGCCTTCCTGCAACTCGAATTATTTAGAGTCTA TATACTCGTCATACTTCAAGTTGCATGTGCTGCGTCTGCGTTCGCTCACCCCAGTCACTTACTTATGTAAGCTCCTGGGGATTCACTCGCTTGTCGCCTTCCTGCAACTCGAATTATTTAGAGTATG TATTCTCGTCATACTTCAAGTTGCATGTGCTGCGTCTGCGTTCGCTCACCCCAGTCACTTACTTATGTAAGCTCCTGGGGATTCACTCGCTTGTCGCCTTCCTGCAACTCGAATTATTTAGAGTATA TATACACAAAATCATTCAAGTTGCATCAAGGCGGCAAGTGAGCGAATCCCGATGAGCTTACTCAGGTAAGTGATTCGGGGGAGCGAACGCAGCCAAGGCAGAGGCGGCTTGAAGGATGAAGTGTATA TATACACTTTATCCTTCACGCTGCCTCTTCGTTGACTGCCTTCGCTCATCCCATTCACATAGTTATCTATGCTCATGGGAGTTCACTCAGTTGCCGCCTCGATGCAACGCGAATGATTTCGTGTATT TCCGCTAAATGATTCGCGTTGCAGGAAGGCGGCAAGTGAGTGAAGCCCCAGGAGCATAGATAACTATGTGACTGGGGTGAACGAGCGCAGCCAACGCATCTGCGGCGTGAAGCATGACGCGGAAATT TACTCGTCATACTTCAAGTTGCATGTGCTGCGTCTGCGTTCGCTCACCCCAGTCACTTACTTATGTAAGCTCCTGGGGATTCACTCTCTTGTCGCCTTCCTGCAACTCGAATTATTTAGAGTATGAA CACCAGCTGTTTGCCCTGTACGGCATCGAAGCGACGCTGTTCATAACGCGGCGTAATACCGTTTTCTTCAGGCATGATCCAGATCTGATACAGATGCAGACGCTCGGTGCTGCTTGGGTTGTACTCT ATCGTAGTTAAAGACGTGCGTCACTGCCGGAATATGCAAACCACGCGCGGCAACGTCGGTGGCAACCAGAATATCCAGATCGCCACGGGTAAATTCATCAAGAATACGCAGACGTTTTTTCTGCGCG CCTGTTCCGTATTGGTCGTGGACGTGCGCCGACTGGCGAACCTGCGGCGGCAGCGGAAATGACCAAATGGTTTAACACCAACTATCACTACATGGTGCCGGAGTTCGTTAAAGGCCAACAGTTCAAA GTCTCTTTCCATGCTTTGCGCAGGGAAGATTCCTCAAAGTGCTGGCGGTCAAACCACTCCTGTAGCTCGACCAGCCCTTTACGGGTGAGATCGCGCGGGCGATTAATAACTGCCTGCAATGCCGGTT
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Methods Searched for msRNAs in ERICs Located Motifs from ERICSs in msRNA
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msRNA in ERICsAATTTCCTTCGTCTTTCACGCCATAGCGGCGTTGGCGTCGCCCGCTCACCCCGGTCACTTACTTGTGTAAGCTCCCGGGGATTCACAGGCTAGCCGCCTTGCTCTGACGCGAAATACTTCGGAAATT CATACCCTATGGATTTCTGGGTGCAGCAAGGTAGCAAGCGCCAGAATCCCCAGGAGCTTACATAAGTAAGTGACTGGGGTGAGGGCGTGAAGCTAACGCCGCTGCGGCCTGAAAGACGACGGGTATG CTCCCCCAAAATAGTTCGAGTTGCAGAAAGGCGGCAAGCTCGAGAATTCCCGGGAGCTTACATCAGTAAGTGACCGGGATGAGCGAGCGAAGATAACGCATCTGCGGCGCGAAATATGAAGGGGGAG TATACTCTAAATAATTCGAGTTGCAGGAAGGCGACAAGCGAGTGAATCGCCAGGAGCTTACATAAGTAAGTGACTGGGGTGAACGAACGCAGTCGCAGTACATGCAACTTGAAGTATGACGAGTATA TATACTCGTCATACTTCAAGTTGCATGTGCTGCGGCTGCATTCGTTCACCCCAGTCACTTACTTATGTAAGCTCCTGGGGCTTCACTCGTTTGCCGCCTTCCTGCAACTCGAATTATTTAGAGTCTA TATACTCGTCATACTTCAAGTTGCATGTGCTGCGTCTGCGTTCGCTCACCCCAGTCACTTACTTATGTAAGCTCCTGGGGATTCACTCGCTTGTCGCCTTCCTGCAACTCGAATTATTTAGAGTATG TATTCTCGTCATACTTCAAGTTGCATGTGCTGCGTCTGCGTTCGCTCACCCCAGTCACTTACTTATGTAAGCTCCTGGGGATTCACTCGCTTGTCGCCTTCCTGCAACTCGAATTATTTAGAGTATA TATACACAAAATCATTCAAGTTGCATCAAGGCGGCAAGTGAGCGAATCCCGATGAGCTTACTCAGGTAAGTGATTCGGGGGAGCGAACGCAGCCAAGGCAGAGGCGGCTTGAAGGATGAAGTGTATA TATACACTTTATCCTTCACGCTGCCTCTTCGTTGACTGCCTTCGCTCATCCCATTCACATAGTTATCTATGCTCATGGGAGTTCACTCAGTTGCCGCCTCGATGCAACGCGAATGATTTCGTGTATT TCCGCTAAATGATTCGCGTTGCAGGAAGGCGGCAAGTGAGTGAAGCCCCAGGAGCATAGATAACTATGTGACTGGGGTGAACGAGCGCAGCCAACGCATCTGCGGCGTGAAGCATGACGCGGAAATT TACTCGTCATACTTCAAGTTGCATGTGCTGCGTCTGCGTTCGCTCACCCCAGTCACTTACTTATGTAAGCTCCTGGGGATTCACTCTCTTGTCGCCTTCCTGCAACTCGAATTATTTAGAGTATGAA CACCAGCTGTTTGCCCTGTACGGCATCGAAGCGACGCTGTTCATAACGCGGCGTAATACCGTTTTCTTCAGGCATGATCCAGATCTGATACAGATGCAGACGCTCGGTGCTGCTTGGGTTGTACTCT ATCGTAGTTAAAGACGTGCGTCACTGCCGGAATATGCAAACCACGCGCGGCAACGTCGGTGGCAACCAGAATATCCAGATCGCCACGGGTAAATTCATCAAGAATACGCAGACGTTTTTTCTGCGCG CCTGTTCCGTATTGGTCGTGGACGTGCGCCGACTGGCGAACCTGCGGCGGCAGCGGAAATGACCAAATGGTTTAACACCAACTATCACTACATGGTGCCGGAGTTCGTTAAAGGCCAACAGTTCAAA GTCTCTTTCCATGCTTTGCGCAGGGAAGATTCCTCAAAGTGCTGGCGGTCAAACCACTCCTGTAGCTCGACCAGCCCTTTACGGGTGAGATCGCGCGGGCGATTAATAACTGCCTGCAATGCCGGTT
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Finding Motifs
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Motifs
Motif 2 - 11bp
Random Motif 1 - 10bp
Random Motif 2 - 10bp
Random Motif - 2 9bp
Random Motif 3 - 9bp
0
2
4
6
8
10
12
14
16
18
Motifs Co-located from ERIC sequences and msRNA
Series1
Motifs Co-located from ERIC sequences and msRNA
Num
ber o
f Mat
ches
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Where are the msRNA? Near highly expressed genes Hitching a ride?