Lysogeny and the prophage

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Transcript Lysogeny and the prophage

Slide 1

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001


Slide 2

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001


Slide 3

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001


Slide 4

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001


Slide 5

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001


Slide 6

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001


Slide 7

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001


Slide 8

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001


Slide 9

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001


Slide 10

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001


Slide 11

Lysogeny:
Phage Entry into Bacterial Hosts
Bobby Chaggar
Yordanos Teferra

attP and attB regions

attP site of L5 phage used in comparing phages and similar
attB site of M. Smegmatis used in finding other att sites.

Search for Similar attP
regions

Search for similar attB
sites
M. Segmatis: GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTC
Msme-155.Msmeg-11642 (4764496 -> 4764566) Aliases:(tRNA-Gly”)

M. Vanbaalenii:
GCGGGCGTAGCTCAATGGTAGAGCCCTAG
TCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTCGCCCGCTCCA
Mvan-PYR-1.Mvan-PYR-1-10996 (4324373 -> 4324446) Aliases:(tRNA-Gly”)

M. SP.JLS:
GCGGGCGTAGCTCAATGGTAGAGCCCTAGTCTTCCAAACTAGCTACGCGGGTTCGATTCCCGTC
GCCCGCTCCA
M-JLS.Mjls-9576 (3780254 -> 3780327) Aliases:(tRNA-Gly”)

The Search for Prophage
DNA in Mycobacteria

Sliding Window

Deviations in GC content

Proteins to Consider
• Tail tape measure protein
• Phage major capsid protein

• Large-subunit terminase
• Integrase
• excisionase

References
Gomathi, N.S. . "In silico analysis of mycobacteriophage Che12 genome: Characterization of genes
required to lysogenise Mycobacterium tuberculosis." ScienceDirect. 31. (2007): 82-91. Web.
Hatful, Graham. "Characterization of the Mycobacteriophage L5 Attachment Site, attp." JMB. 266.
(1997): 76-92.
Canchaya, C., Proux, C., Fournous, G., Bruttin, A., & Brussow, H. (2003). Prophage genomics. Microbiol
Mol Biol Rev. 2003 June; 67(2): 238–276. doi: 10.1128/MMBR.67.2.238-276.2003
Hendrix, R., Smith, M., Burns, R., Ford, M., & Hatfull, G. (1999). Evolutionary relationships among
diverse bacteriophages and prophages: All the world’s a phage. Proc Natl Acad Sci U S A. 1999
March 2; 96(5): 2192–2197. Evolution.

Karlin, S. (2001). Detecting anomalous gene clusters and pathogenicity islands in diverse bacterial
genomes. TRENDS in Microbiology Vol.9 No.7 July 2001