Since the 1990s, the term " T7 supergroup " has been coined for the expanding group of bacteriophages related to coliphage T7, as members of the family " Podoviridae ".
2.
Coliphage HK022, alone among the known lambdoid phages, does not encode an analog to lambda N . Instead, it promotes antitermination of early phage transcription through the direct action of transcribed sequences called " put " ( for polymerase utilization ) sites.
परिभाषा
a bacteriophage that infects the bacterium Escherichia coli
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