Exotoxins (ET) are toxins which are secreted by bacteria[1] .
↑Hamon MA, Batsche E, Regnault B, Tham TN, Seveau S, Muchardt C, Cossart P. Histone modifications induced by a family of bacterial toxins. Proc Natl Acad Sci U S A. 2007 Aug 14;104(33):13467-72. Epub 2007 Aug 3. PMID:17675409 doi:https://dx.doi.org/10.1073/pnas.0702729104