Where are bacteriophages found
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Where are bacteriophages found?. Source Phages counted Soil 10 4 /gm River 10 3 - 10 9 /ml Seawater 10 7 /ml Feces - human 10 9 /gm. Estimated # of phages in biosphere: 10 30. Lytic life cycle. human DNA. 50 kb.

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Where are bacteriophages found
Where are bacteriophages found?

SourcePhages counted

Soil 104/gm

River 103 - 109/ml

Seawater 107/ml

Feces - human 109/gm

Estimated # of phages in biosphere: 1030



Where are bacteriophages found

human DNA

50 kb



Where are bacteriophages found

8kb fragments

15kb

7kb

15kb

8kb

7kb

15kb

8kb

7kb

concatenati

7kb

7kb


Where are bacteriophages found

X fragments

X


Where are bacteriophages found

In vitro packaging fragments

Uso di batteri lisogeni contenenti

Differenti mutazioni nei geni strutturali

I batteri sono cresciuti a densità voluta

E poi indotti al ciclo litico



Where are bacteriophages found

Genoteca fragments

Insieme di segmenti di DNA o cDNA

inseriti

in vettori fagici o plasmidici


Where are bacteriophages found

40-45 kb DNA umano fragments

sequenze cos

Antibiotico R

sequenze cos


Where are bacteriophages found

Filamentous fragments

phages

RF Replicative

Form