Aggregatibacter actinomycetemcomitans 1 Anti-Bacterial Agents 1 Article 1 Microbial Sensitivity Tests 1 Polyamines 1 Spermidine 1 amoxicillin 1 antibiotic agent 1 antibiotic therapy 1 antiinfective agent 1 antimicrobial resistance 1 azithromycin 1 bacterial growth 1 bacterial viability bacterial virulence 1 biogenesis 1 brain 1 controlled study 1 doxycycline 1 growth inhibition 1 heart 1 in vitro study 1 metatranscriptomic analysis 1 microbial sensitivity test 1 minimum inhibitory concentration 1 nonhuman 1 periodontal pocket 1 physiological stress 1 polyamine 1 putrescine 1