bioinformatics for vet. part ix
DESCRIPTION
Bioinformatics for Vet. Part IX. Sung Youn Lee, PhD. Student Veterinary collage, Room 320 02 450 3719, 016 293 6059 [email protected]. Using the Nucleotide Sequence databases. The first sequence data bases is as sequence museum. Gene Bank - PowerPoint PPT PresentationTRANSCRIPT
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Bioinformatics for Vet. Part IXBioinformatics for Vet. Part IX
Sung Youn Lee, PhD. StudentSung Youn Lee, PhD. StudentVeterinary collage, Room 320Veterinary collage, Room 32002 450 3719, 016 293 605902 450 3719, 016 293 6059
[email protected]@paran.com
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Using the Nucleotide Using the Nucleotide Sequence databasesSequence databases
The first sequence data bases The first sequence data bases is as sequence museum.is as sequence museum.
Gene BankGene Bank NCBI : U.S. National Center of NCBI : U.S. National Center of
Biotechnology InformationBiotechnology Information EMBL : European Molecular EMBL : European Molecular
Biology LaboratoryBiology Laboratory DDBJ : DNA data bank of JapanDDBJ : DNA data bank of Japan
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Prokaryote vs Eukaryote• Single and circular DNA• A few million base (0.6-
8)• 1,000bps/gene• Few useless parts (70%
is protein coding part)• The genes are
transcribed just right after promoter(control region)
• Protein sequence are derived by ORF(open reading frame; ATG-Stop)
• Promoter-RBS-ORF
• Multiple linear pieces of DNA
• 100,000bps/gene• Many useless parts (less th
an 5% is protein coding part)• The genes are transcirbed ju
st right after promoter, but the sequence element can located far away.
• The genes often exhibit more than one mRNA form.
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Prokaryote Gene
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Eukaryote Gene
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Prokaryotic promoter
# Typical E.coli promoters – Lenhinger 1004 page
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Eukaryotic promoter
# Eukaryotic promoter – Lenhinger 1008 page
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Prokaryotic gene of Gene Bank
• Point ur browser to www.ncbi.nlm.nih.gov/entrez
• From search pull down menu, choose nucleotide
• Type X01714 and click GO
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Eukaryotic mRNA of Gene Bank
• Point ur browser to www.ncbi.nlm.nih.gov/entrez
• From search pull down menu, choose nucleotide
• Type U90223 and click GO
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Eukaryotic genome of Gene Bank
• Point ur browser to www.ncbi.nlm.nih.gov/entrez
• From search pull down menu, choose nucleotide
• Type AF018430 and click GO
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mRNA – alternative splicing
• AF018429.1:<282..561,AF018429.1:1034..1172, 560..651,AF018431.1:1..45,AF018432.1:658..732, AF018432.1:884..954,AF018432.1:1391..>1447
• Mitochondrial dUTPase mRNA– AF018429 : 282~561, 1034~1172 ; alternative splicing– AF018430 : 560~651– AF018431 : 1~45– AF018432 : 658~732, 884~954, 1391~1447
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Alternative splicing
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Viral genome of Gene Bank
• Point ur browser to www.ncbi.nlm.nih.gov/entrez
• On the black menu bar at the top of the form, click Genome.
• Click the Viruses link• Type HIV2 in the search box.
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Bacterial genome of Gene Bank
• Point ur browser to www.ncbi.nim.nih.gov/entrez
• On the black menu bar at the top of the form, click Genome.
• Click the Microbial link• Click which you want to get
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Thank you for your attention ~Thank you for your attention ~