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It is a similar situation for acetosyringone where concentrations higher than the optimum level have inhibitory effects on both Agrobacterium as well as the host cells (Niazian et al., The efficiency of Agrobacterium -mediated gene transformation depends on the main and interactive effects of several pivotal parameters

A book they try to write together nearly ends their marriage

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Interestingly, smoking on the small screen is mostly by minor characters (often villains or protagonists), members of a fringe group (as in The Leftovers), or in a throwback reference to days gone by (like Mad Men)