A Segment of DNA that Codes for 16S Ribosomal RNA

A Visual Comparison between Eleven Species of Gram-Negative Bacteria

Sequences taken from the GenBankdatabase.


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The organisms are as follows:

  • Neisseria sicca – the only gram-negative coccus considered inBacteriology 102.
  • Pseudomonas fluorescens – a non-fermentative rod.
  • Three enteric-like organisms: Vibrio cholerae, Photobacterium phosphoreum and Plesiomonas shigelloides.
  • Three relatively obscure enterics: our new organism (shown by initials"AH" as I am not inclined toward saying much about it until it is published),  Budvicia aquatica and Edwardsiella tarda.
  • Escherichia coli – the archetypal enteric – with twoclosely-related species, Shigella dysenteriae and Escherichiahermannii.

"Scrolling down memory lane..."

Neisseria siccagcgagtggcgaacgggtgagtaacatatcggaacgtaccgagcagtgggggataactaatcgaaagattagctaataccgcatatttcttgaggaagaaagcaggggaccatttggccttgcgctgtttgagcggccgatatctgattagctggttggtggggtaaaggcctaccaaggcgacgatcagtagcgggtctgagaggatgatccgccacactgggactgagacacggcccagactcctacgggaggcagcagtggggaattttggacaatgggcgcaagcctgatccagccatgccgcgtgtctgaagaaggccttcgggttgtaaaggacttttgtcagggaagaaaaagatagggttaatacccctgtctgatgacggtacctgaagaataagcaccggctaactacgtgccagcagccgcggtaatacgtagggtgcgagcgttaatcggaattactgggcgtaaagcgggcgcagacggttacttaagcaggatgtgaaatccccgggctcaacccgggaactgcgttctgaactgggtgactagagtgtgtcagagggaggtagaattccacgtgtagcagtgaaatgcgtagagatgtggaggaataccgatggcgaaggcagcctcctgggatagcactgacgttcatgcccgaaagcgtgggtagcaaacaggattagataccctggtagtccacgccctaaacgatgtcgattagctgttgggcagcttgactgcttagtagcgaagctaacgcgtgaaatcgaccgcctggggagtacggtcgcaagattaaaactcaaaggaattgacggggacccgcacaagcggtggatgatgtggattaattcgatgcaacgcgaagaaccttacctggtcttgacatgtacggaaccctccagagacggaggggtgccttcgggagccgtaacacaggtgctgcatggctgtcgtcagctcgtgtcgtgagatgttgggttaagtcccgcaacgagcgcaacccttgtcattagttgccatcat.taa.gttgggcactctaatgagactgccggtgacaagccggaggaaggtggggatgacgtcaagtcctcatggcccttatgaccagggcttcacacgtcatacaatggtcggtacagagggtagccaagccgcgaggtggagccaatctcacaaaaccgatcgtagtccggattgcactctgcaactcgagtgcatgaagtcggaatcgctagtaatcgcaggtcagcatactgcggtgaatacgttcccgggtcttgtacacaccgccc
Pseudomonas fluorescensgagagcggcggacgggtgagtaaagcctaggaatctgcctggtagtgggggataacgttcggaaacggacgctaataccgcatacgtcctacgggagaaagcaggggaccttcgggccttgcgctatcagatgagcccaggtcggattagctagttggtgaggtagtggctcaccaaggcgacgatccgtaactggtctgagaggatgatcagtcacactggaactgagacacggtccagactcctacgggaggcagcagtggggaatattggacaatgggcgaaagcctgatccagccatgccgcgtgtgtgaagaaggtcttcggattgtaaagcactttaagttgggaggaagggcattaacctaatacgttagtgttttgacgttaccgacagaataagcaccggctaactctgtgccagcagccgcggtaatacagagggtgcaagcgttaatcggaattactgggcgtaaagcgcgcgtaggtggtttgttaagttggatgtgaaatccccgggctcaacctgggaactgcattcaaaactgactgactagagtatggtagagggtggtggaatttcctgtgtagcggtgaaatgcgtagatataggaaggaacaccagtggcgaaggcgaccacctggactaatactgacactgaggtgcgaaagcgtggggagcaaacaggattagataccctggtagtccacgccgtaaacgatgtcaactagccgttgggagccttgagctcttagtggcgcagctaacgcattaagttgaccgcctggggagtacggccgcaaggttaaaactcaaatgaattgacgggggcccgcacaagcggtggagcatgtggtttaattcgaagcaacgcgaagaaccttaccaggccttgacatccaatgaactttctagagatagattggtgccttcgggaacattgagacaggtgctgcatggctgtcgtcagctcgtgtcgtgagatgttgggttaagtcccgtaacgagcgcaacccttgtccttagttaccagcacgtaatggtgggcactctaaggagactgccggtgacaaaccggaggaaggtggggatgacgtcaagtcatcatggcccttacggcctgggctacacacgtgctacaatggtcggtacagagggttgccaaaccgcgaggtggagctaatcccacaaaaccgatcgtagtccggatcgcagtctgcaactcgactgcgtgaagtcggaatcgctagtaatcgcgaatcagaatgtcgcggtgaatacgttcccgggccttgtacacaccgccc
Vibrio choleraegcgagcggcggacgggtgagtaatgcctgggaaattgcccggtagagggggataaccattggaaacgatggctaataccgcataacctcgcaagagcaaagcaggggaccttcgggccttgcgctaccggatatgcccaggtgggattagctagttggtgaggtaagggctcaccaaggcgacgatccctagctggtctgagaggatgatcagccacactggaactgagacacggtccagactcctacgggaggcagcagtggggaatattgcacaatgggcgcaagcctgatgcagccatgccgcgtgtatgaagaaggccttcgggttgtaaagtactttcagtagggaggaaggtggttaagttaataccttaatcatttgacgttacctacagaagaagcaccggctaactccgtgccagcagccgcggtaatacggagggtgcaagcgttaatcggaattactgggcgtaaagcgcatgcaggtggtttgttaagtcagatgtgaaagccctgggctcaacctaggaatcgcatttgaaactgacaagctagagtactgtagaggggggtagaatttcaggtgtagcggtgaaatgcgtagagatctgaaggaataccggtggcgaaggcggccccctggacagatactgacactcagatgcgaaagcgtggggagcaaacaggattagataccctggtagtccacgccgtaaacgatgtctacttggaggttgtgccctagagtcgtggctttcggagctaacgcgttaagtagaccgcctggggagtacggtcgcaagattaaaactcaaatgaattgacgggggnccgcacaagcggtggagcatgtggtttaattcganncaacgcgaagaaccttacctactcttgacatccagagaatctagcggagacgctggagtgccttcgggagctctgagacaggtgctgcatggctgtcgtcagctcgtgttgtgaaatgttgggttaagtcccgcaacgagcgcaacccttatccttgtttgccagcacgtaatggtgggaactccagggagactgccggtgataaaccggaggaaggtggggacgacgtcaagtcatcatggcccttacgagtagggctacacacgtgctacaatggcgtatacagagggcagcgataccgcgaggtggagcgaatctcacaaagtacgtcgtagtccggattggagtctgcaactcgactccatgaagtcggaatcgctagtaatcgcaaatcagaatgttgcggtgaatacgttcccgggccttgtacacaccgccc
Photobacterium phosphoreumacgagcggcggacgggtgagtaatgcctgggaatataccctgatgtgggggataactattggaaacgatagctaataccgcataatctcttcggagcaaagagggggaccttcgggcctctcgcgtcaggattagcccaggtgggattagctagttggtggggtaatggctcaccaaggcgacgatccctagctggtctgagaggatgatcagccacactggaactgagacacggtccagactcctacgggaggcagcagtggggaatattgcacaatgggggaaaccctgatgcagccatgccgcgtgtatgaagaaggccttcgggttgtaaagtactttcagttgtgaggaaggcgttggagttaatagctttagcgtttgacgttagcaacagaagaagcaccggctaactccgtgccagcagccgcggtaatacggagggtgcgagcgttaatcggaattactgggcgtaaagcgcatgcaggcggtctgttaagcaagatgtgaaagcccggggctcaacctcggaacagcattttgaactggcagactagagtcttgtagaggggggtagaatttcaggtgtagcggtgaaatgcgtagagatctgaaggaataccggtggcgaaggcggccccctggacaaagactgacgctcagatgcgaaagcgtggggagcaaacaggattagataccctggtagtccacgccgtaaacgatgtctacttgaaggttgtggccttgagccgtggctttcggagctaacgcgttaagtagaccgcctggggagtacggtcgcaagattaaaactcaaatgaattgacgggggcccgcacaagcggtggagcatgtggtttaattcgatgcaacgcgaagaaccttacctactcttgacatccagagaattcgctagagatagcttagtgccttcgggaactctgagacaggtgctgcatggctgtcgtcagctcgtgttgtgaaatgttgggttaagtcccgcaacgagcgcaacccttatccttgtttgccagcacgtaatggtgggaactccagggagactgccggtgataaaccggaggaaggtggggacgacgtcaagtcatcatggcccttacgagtagggctacacacgtgctacaatggcgtatacagagggctgcaagctagcgatagtgagcgaatcccacaaagtacgtcgtagtccggattggagtctgcaactcgactccatgaagtcggaatcgctagtaatcgtgaatcagaatgtcacggtgaatacgttcccgggccttgtacacaccgccc
Plesiomonas shigelloidesacgagcggcggacgggtgagtaatgcctggggatctgcccgatagagggggataactacgggaaactgtagctaataccgcataatgtctacggaccaaagtgggggctcttcggacctcatgctatcggatgaacccaggtgggattagctagttggtgaggtaatggctcaccaaggcgacgatctctaactggtttgagagaatgaccagtcacactggaactgagacacggtccagactcctacgggaggcagcagtggggaatattgcacaatgggcgcaagcctgatgcagccatgccgcgtgtgtgaagaaggccttcgggttgtaaagcactttcagcggggaggaagggtcactagttaatacctagtggcattgacgttactcgcagaagaagcaccggctaactccgtgccagcagccgcggtaatacggagggtgcaagcgttaatcggaattactgggcgtaaagcgcacgcaggcggtttgttaagtcagatgtgaaatccccgagctcaacttgggaactgcatttgaaactggcaagctagagtcttgtagaggggggtagaattccaggtgtagcggtgaaatgcgtagagatctggaggaataccggtggcgaaggcggccccctggacaaagactgacgctcaggtgcgaaagcgtggggagcaaacaggattagataccctggtagtccacgctgtaaacgatgtcgatttggaggttgtgcccttgaggcgtggcttccggagctaacgcgttaaatcgaccgcctggggagtacggccgcaaggttaaaactcaaatgaattgacgggggnccgcacaagcggtggagcatgtggtttaattcgatgcancgcgaagaaccttacctactcttgacatccacagaacnttccagagatggattggtgccttcgggaactctgagacaggtgctgcatggctgtcgtcagctcgtgttgtgaaatgttgggttaagtcccgcaacgagcgcaacccttatcctttgttgccagcgattc.ggtcgggaactcaaaggagactgccggtgataaaccggaggaaggtggggatgacgtcaagtcatcatggcccttacgagtagggctacacacgtgctacaatggcatatacaaagggcggcaagctagcgatagtgagcgaatcccataaagtatgtcgtagtccggattggagtctgcaactcgactccatgaagtcggaatcgctagtaatcgcggatcagaatgccgcggtgaatacgttcccgggccttgtacacaccgccc
"AH" (our new organism)gcgagcggcggacgggtgagtaatgtctggggatctgcctgatggagggggataactactggaaacggtagctaataccgcataacgtcgcaagaccaaagcgggggaccttagggcctcgcgccatcagatgaacccagatgggattagctagtaggtggggtaatggctcacctaggcgacgatccctaactggtctgagaggatgaccagtcacactgggactgagacacggcccagactcctacgggaggcagcagtggggaatattgcacaatgggcgcaagcctgatgcagccatgccgcgtgtgtgaagaaggccttcgggttgtaaagcactttcagtgaggaggaaggcgttgcagttaatagctgtagcgattgacgttactcacagaagaagcaccggctaactccgtgccagcagccgcggtaatacggagggtgcaagcgttaatcggaattactgggcgtaaagcgcacgcaggcggtttgttaagtcagatgtgaaatccccgggctcaacctgggaactgcatttgaaactggcaggctagagtctcgtagaggggggtagaattccaggtgtagcggtgaaatgcgtagagatctggaggaataccggtggcgaaggcggccccctggacgaagactgacgctcaggtgcga.agcgtggggagcaaacaggattagataccctggtagtccacgctgtaaacgatgtcgatttggaggttgtgcccttgaggcgtggcttccggagctaacgcgttaaatcgaccgcctggggagtacggccgcaaggttaaaactcaaatgaattgacgggggcccgcacaagcggtggagcatgtggtttaattcgatgcaacgcgaagaaccttacctactcttgacatccagagaaggttccagagatgggactgtgccttcgggagctctgagacaggtgctgcatggctgtcgtcagctcgtgttgtgaaatgttgggttaagtcccgcaacgagcgcaacccttatcctttgttgccagc.acttcgggtgggaactcaagggagactgccggtgataaaccggaggaaggtggggatgacgtcaagtcatcatggcccttacgagtagggctacacacgtgctacaatggcgcatacaaagagaagcgaacttgcgagagtaagcggacctcataaagtgcgtcgtagtccggattggagtctgcaactcgactccatgaagtcggaatcgctagtaatcgtagatcagaatgctacggtgaatacgtccccgggccttgtacacaccgccc
Budvicia aquaticagcgagcggcggacgggtgagtaatgtctggggatctgcctgatggagggggataactactggaaacggtagctaataccgcgtaacgtcgaaagaccaaagcgggggaccttcgggcctcgcgccatcagatgaacccagatgggattagctagtaggtggggtaatggctcacctaggcgacgatctctaactggtctgagaggatgaccagtcacactgggactgagacacggcccagactcctacgggaggcagcagtggggaatattgcacaatgggcgcaagcctgatgcagccatgccgcgtgtgtgaagaaggccttcgggttgtaaagcactttcagcgaggaggaaggcgttgtagttaatagctgcaagcattgacgttactcgcagaagaagcaccggctaactccgtgccagcagccgcggtaatacggagggtgcaagcgttaatcggaattactgggcgtaaagcgcacgcaggcggtttgttaagtcagatgtgaaatccccgcgcttaacgtgggaactgcatttgaaactggcaagctagagtcttgtagaggggggtagaattccatgtgtagcggtgaaatgcgtagagatgtggaggaataccggtggcgaaggcggccccctggacaaagactgacgctcaggtgcgaaagcgtggggagcaaacaggattagataccctggtagtccacgctgtaaacgatgtcgatttggaggttgtgggcatgacccgtggcttccggagctaacgcgttaaatcgaccgcctggggagtacggccgcaaggttaaaactcaaatgaattgacgggggcccgcacaagcggtggagcatgtggtttaattcgatgcaacgcgaagaaccttacctactcttgacatccagagaatttagcagagatgctttagtgccttcgggaactctgagacaggtgctgcatggctgtcgtcagctcgtgttgtgaaatgttgggttaagtcccgcaacgagcgcaacccttatcctttgttgccagcgagtaatgtcgggaactcaaaggagactgccggtgataaaccggaggaaggtggggatgacgtcaagtcatcatggcccttacgagtagggctacacacgtgctacaatggcgcatacaaagtgaagcgaactcgcgagagtaagcggaccacataaagtgcgtcgtagtccggatcggagtctgcaactcgactccgtgaagtcggaatcgctagtaatcgtagatcagaatgctacggtgaatacgttcccgggccttgtacacaccgccc
Edwardsiella tardaacgagcggcggacgggtgagtaatgtctggggatctgcctgatggagggggataactactggaaacggtagctaataccgcataacgtcgcaagaccaaagtgggggaccttcgggcctcatgccatcagatgaacccagatgggattagctagtaggtgaggtaatggctcacctaggcgacgatccctagctggtctgagaggatgaccagccacactggaactgagacacggtccagactcctacgggaggcagcagtggggaatattgcacaatgggcgcaagcctgatgcagccatgccgcgtgtatgaagaaggccttcgggttgtaaagtactttcagtagggaggaaggtgtncgtgttaatagcacgtacaattgacgttacctacagaagaagcaccggctaactccgtgccagcagccgcggtaatacggagggtgcaagcgttaatcggaattactgggcgtaaagcgcacgcaggcggtttgttaagttggatgtgaaatccccgggcttaacctgggaactgcatccaagactggcaagctagagtctcgtagagggaggtagaattccaggtgtagcggtgaaatgcgtagagatctggaggaataccggtggcgaaggcggcctcctggacgaagactgacgctcaggtgcgaaagcgtggggagcaaacaggattagataccctggtagtccacgctgtaaacgatgtcgatttggaggttgtgcccttgaggcgtggcttccgaagctaacgcgttaaatcgaccgcctggggagtacggccgcaaggttaaaactcaaatgaattgacgggggcccgcacaagcggtggagcatgtggtttaattcgatgcaacgcgaagaaccttacctactcttgacatccagcgaatcctgtagagatacgggagtgccttcgggaacgctgagacaggtgctgcatggctgtcgtcagctcgtgttgtgaaatgttgggttaagtcccgcaacgagcgcaacccttatcctttgttgccagcg.gttcggccgggaactcaaaggagactgccagtgataaactggaggaaggtggggatgacgtcaagtcatcatggcccttacgagtagggctacacacgtgctacaatggcgtatacaaagagaagcgacctcgcgagagcaagcggacctcataaagtacgtcgtagtccggattggagtctgcaactcgactccatgaagtcggaatcgctagtaatcgtggatcagaatgccacggtgaatacgttcccgggccttgtacacaccgccc
Shigella dysenteriaeacgagtggcggacgggtgagtaatgtctgggaaactgcctgatggagggggataactactggaaacggtagctaataccgcataacgtcgcaagaccaaagagggggaccttcgggcctcttgccatcggatgtgcccagatgggattagctagtaggtggggtaacggctcacctaggcgacgatccctagctggtctgagaggatgaccagccacactggaactgagacacggtccagactcctacgggaggcagcagtggggaatattgcacaatgggcgcaagcctgatgcagccatgccgcgtgtatgaagaaggccttcgggttgtaaagtactttcagcggggaggaagggagtaaagttaatacctttgctcattgacgttacccgcagaagaagcaccggctaactccgtgccagcagccgcggtaatacggagggtgcaagcgttaatcggaattactgggcgtaaagcgcacgcaggcggtttgttaagtcagatgtgaaatccccgggctcaacctgggaactgcatctgatactggcaagcttgagtctcgtagaggggggtagaattccaggtgtagcggtgaaatgcgtagagatctggaggaataccggtggcgaaggcggccccctggacgaaaactgacgctcaggtgcgaaagcgtggggagcaaacaggattagataccctggtagtccacgccgtaaacgatgtcgacttggaggttgtgcccttgaggcgtggcttccggagctaacgcgttaagtcgaccgcctggggagtacggccgcaaggttaaaactcaaatgaattgacgggggcccgcacaagcggtggagcatgtggtttaattcgatgcaacgcgaagaaccttacctggtcttgacatccacagaaccttgtagagatacgagggtgccttcgggaactgtgagacaggtgctgcatggctgtcgtcagctcgtgttgtgaaatgttgggttaagtcccgcaacgagcgcaacccttatcctttgttgccagcg.gtccggccgggaactcaaaggagactgccagtgataaactggaggaaggtggggatgacgtcaagtcatcatggcccttacgaccagggctacacacgtgctacaatggcgcatacaaagagaagcgacctcgcgagagcaagcggacctcataaagtgcgtcgtagtccggattggagtctgcaactcgactccatgaagtcggaatcgctagtaatcgtggatcagaatgtcacggtgaatacgttcccgggccttgtacacaccgccc
Escherichia coliacgagtggcggacgggtgagtaatgtctgggaaactgcctgatggagggggataactactggaaacggtagctaataccgcataacgtcgcaagaccaaagagggggaccttcgggcctcttgccatcggatgtgcccagatgggattagctagtaggtggggtaacggctcacctaggcgacgatccctagctggtctgagaggatgaccagccacactggaactgagacacggtccagactcctacgggaggcagcagtggggaatattgcacaatgggcgcaagcctgatgcagccatgccgcgtgtatgaagaaggccttcgggttgtaaagtactttcagcggggaggaagggagtaaagttaatacctttgctcattgacgttacccgcagaagaagcaccggctaactccgtgccagcagccgcggtaatacggagggtgcaagcgttaatcggaattactgggcgtaaagcgcacgcaggcggtttgttaagtcagatgtgaaatccccgggctcaacctgggaactgcatctgatactggcaagcttgagtctcgtagaggggggtagaattccaggtgtagcggtgaaatgcgtagagatctggaggaataccggtggcgaaggcggccccctggacgaagactgacgctcaggtgcgaaagcgtggggagcaaacaggattagataccctggtagtccacgccgtaaacgatgtcgacttggaggttgtgcccttgaggcgtggcttccggagctaacgcgttaagtcgaccgcctggggagtacggccgcaaggttaaaactcaaatgaattgacgggggcccgcacaagcggtggagcatgtggtttaattcgatgcaacgcgaagaaccttacctggtcttgacatccacggaagttttcagagatgagaatgtgccttcgggaaccgtgagacaggtgctgcatggctgtcgtcagctcgtgttgtgaaatgttgggttaagtcccgcaacgagcgcaacccttatcctttgttgccagcg.gtccggccgggaactcaaaggagactgccagtgataaactggaggaaggtggggatgacgtcaagtcatcatggcccttacgaccagggctacacacgtgctacaatggcgcatacaaagagaagcgacctcgcgagagcaagcggacctcataaagtgcgtcgtagtccggattggagtctgcaactcgactccatgaagtcggaatcgctagtaatcgtggatcagaatgccacggtgaatacgttcccgggccttgtacacaccgccc
Escherichia hermanniiacgagtggcggacgggtgagtaatgtctggggatctgcctgatggagggggataactactggaaacggtagctaataccgcataacgtcgcaagaccaaagagggggaccttcgggcctcttgccatcagatgaacccagatgggattagctagtaggtggggtaacggctcacctaggcgacgatccctagctggtctgagaggatgaccagccacactggaactgagacacg.tccagactcctacgggaggcagcagtggggaatattgcacaatgggcgcaagcctgatgcagccatgccgcgtgtatgaagaaggc.ttcgggttgtaaagtactttcagcggggaggaagg.cgatcggttaataaccgcgtcgattgacgttacccgcagaagaagcaccggctaactccgtgccagcagccgcggtaatacggagggtgcaagcgttaatcggaattactgggcgtaaagcgcagcgaggcggtctgtcaagtcggatgtgaaatccccgggctcaacctgggaactgcatccgaaactggcaggcttgagtcttgtagaggggggtagaattccaggtgtagcggtgaaatgcgtagagatctggaggaataccggtggcgaaggcggccccctggacaaagactgacgctcaggtgcgaaagcgtggggagcaaacaggattagataccctggtagtccacgccgtaaacgatgtcgacttggaggttgtgcccttgaggcgtggcttccggacgtaacgcgttaagtcgaccgcctggggagtacggccgcaaggttaaaactcaaatgaattgacgggggcc.gcacaagcggtggagcatgtggtttaattcgatgcaacgcgaagaaccttacctggtcttgacatccacagaactttccagagatggattggtg.cttcgggaactgtgagacaggtgctgcatggctgtcgtcagctcgtgttgtgaaatgttgggttaagtcccgcaacgagcgcaacccttatcctttgttgccagcg.gtccggccgggaactcaaaggagactgccagtgataaactggaggaaggtggggatgacgtcaagtcatcatagcccttacgaccagggctacacacgtgctacaatggcgcatacaaagagaagcgaactcgcgagagcaagcggacctcataaagtgcgtcgtagtccggattggagtctgcaactcgactccatgaagtcggaatcgctagtaatcgtggatcagaatgccacggtgaatacgttcccgggccttgtacacaccgc.c


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Page last modified on 11/4/01 at 6:00 PM, CST.
John Lindquist:  new homepage, complete site outline.
Department of Bacteriology, U.W.-Madison