Table 2.

Environmental changes demonstrated to affect vesiculation (e.g. levels, activity or contents)

	Reference
Media	(Bager et al., 2013, Choi et al., 2014)
Growth phase	(Tashiro et al., 2010)
Biofilm vs planktonic mode	(Grande et al., 2015, Park et al., 2015)
Temperature	(Macdonald et al., 2013, Fulsundar et al., 2014)
Host cell factor	(Ballok et al., 2014, Metruccio et al., 2016)
Antibiotic exposure	(Maredia et al., 2012, Macdonald et al., 2013, Devos et al., 2015, Devos et al., 2016)
Anoxic conditions	(Toyofuku et al., 2013)
Iron depletion	(Keenan et al., 2000)