Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC18328/ Inhibition of the expression of penicillin resistance in Streptococcus pneumoniae by inactivation... Penicillin-resistant strains of Streptococcus pneumoniae contain low affinity penicillin-binding proteins and often also produce abnormal indirectly... of thepenicillin resistancestreptococcus pneumoniaeinhibitionexpression