<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Aishwarya Ilanko</style></author><author><style face="normal" font="default" size="100%">Ian Edwin Cock</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The Interactive Antimicrobial Activity of Conventional Antibiotics and Petalostigma spp. Extracts Against Bacterial Triggers of some Autoimmune Inflammatory Diseases</style></title><secondary-title><style face="normal" font="default" size="100%">Pharmacognosy Journal</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">ankylosing spondylitis</style></keyword><keyword><style  face="normal" font="default" size="100%">Conventional antimicrobials</style></keyword><keyword><style  face="normal" font="default" size="100%">Drug combinations</style></keyword><keyword><style  face="normal" font="default" size="100%">Efflux pump inhibitor</style></keyword><keyword><style  face="normal" font="default" size="100%">Interaction</style></keyword><keyword><style  face="normal" font="default" size="100%">Medicinal plants</style></keyword><keyword><style  face="normal" font="default" size="100%">multiple sclerosis</style></keyword><keyword><style  face="normal" font="default" size="100%">rheumatoid arthritis</style></keyword><keyword><style  face="normal" font="default" size="100%">Synergy</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2019</style></year><pub-dates><date><style  face="normal" font="default" size="100%">March 2019</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">11</style></volume><pages><style face="normal" font="default" size="100%">292-309</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;&lt;!-- x-tinymce/html --&gt;&lt;strong&gt;Introduction&lt;/strong&gt;: An increase in antibiotic resistance and a corresponding decrease in antimicrobial discovery have directed researchers towards alternative therapies, including plant-based medicines. However, synergistic combinations of plant extracts with conventional antibiotics are a far more effective approach in overcoming resistance and potentiating the activity of antibiotics that are otherwise ineffective against resistant bacterial strains. &lt;strong&gt;Methods&lt;/strong&gt;: In this study, &lt;em&gt;Petalostigma&lt;/em&gt; spp. (native Australian medicinal plants) extracts were combined with a range of conventional antibiotics and tested against various microbial triggers of autoimmune diseases. The fruit and leaves were extracted separately with solvents of varying polarity and investigated for the ability to inhibit bacterial growth using disc diffusion and liquid dilution MIC techniques. &lt;strong&gt;Results&lt;/strong&gt;: The methanolic and water extracts showed low to moderate inhibitory activity against several microbes. However, combinations of the mid-low polarity extracts with conventional antibiotics proved significantly more effective in inhibiting the growth of &lt;em&gt;Proteus mirabilis and Acinetobacter baylyi&lt;/em&gt; (bacterial triggers of rheumatoid arthritis and multiple sclerosis respectively). In total, 14 different combinations proved to be synergistic. Notably, two antibiotics (chloramphenicol and erythromycin) with no inhibitory activity against &lt;em&gt;P. mirabilis&lt;/em&gt; alone were shown to have substantial activity when tested in combination with &lt;em&gt;Petalostigma&lt;/em&gt; spp. extracts. &lt;strong&gt;Conclusion&lt;/strong&gt;: Although the mechanisms of synergy are still unclear, studies indicate that compounds within&lt;em&gt; Petalostigma&lt;/em&gt; spp. may mimic the actions of resistance modifying agents, thus potentiating the activity of several antibiotics that are relatively ineffective alone. Isolation of these agents may be highly beneficial in drug design against several bacteria including the microbial triggers of rheumatoid arthritis and multiple sclerosis.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">2</style></issue><work-type><style face="normal" font="default" size="100%">Research Article</style></work-type><section><style face="normal" font="default" size="100%">292</style></section><auth-address><style face="normal" font="default" size="100%">&lt;p&gt;&lt;!-- x-tinymce/html --&gt;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Aishwarya Ilanko&lt;sup&gt;1&lt;/sup&gt;, Ian Edwin Cock&lt;sup&gt;1,2,&lt;/sup&gt;* &lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;&lt;sup&gt;1&lt;/sup&gt;School of Natural Sciences, Nathan Campus, Griffith University, Brisbane, AUSTRALIA.&lt;/p&gt;

&lt;p&gt;&lt;sup&gt;2&lt;/sup&gt;Environmental Futures Research Institute, Nathan Campus, Griffith University, Brisbane, AUSTRALIA.&lt;/p&gt;
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