Bacteriophage Ecology Group

Bacteriophage Ecology Group Bacteriophage Ecology Group

Immediately Productive

Phage infection that is not reductive, and particularly not lysogenic.

 CAUTION: NEW TERM 

A phage infection that proceeds from adsorption to phage progeny production and release with no intervening lysogenic state. If properly qualified, the term can also be used to imply an absence of pseudolysogen formation as well prior to initiation of the productive infection proper.

This term exists especially as a means of expressing that not just lytic but also chronically released phages can be contrasted between temperate versus non-temperate phages, and for temperate phages individual infections can be contrasted between those that go on to form lysogens (reductive) versus those that bypass lysogeny to instead display productive infections.

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