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. 2017 Nov 1;12(11):e0185722. doi: 10.1371/journal.pone.0185722

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© 2017 Omwenga et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 2 — Summarized bioactivity of the 25 screened plant extracts about growth (OD₆₀₀) and quorum sensing (FL/OD₆₀₀) response of the E. coli strain Top 10 transformed with plasmid pSB1A3—BBa_T9002 after treatment with ethanol 50% (v/v) extracts at concentrations of: 1.0 mg/mL (a) and (b), and 0.5 mg/mL (c) and (d) relative to the untreated control, as recorded during the last 294 min of incubation at 37°C. Key: Code P1 (Oxalis corniculata L.), Code P2 (Urtica dioica L.), Code P3 (Erlangea marginata S. Moore), Code P5 (Rubia cordifolia L.), Code P6 (Spilanthes mauritiana DC.), Code P7 (Orthosiphon hildebrandtii Vatke), Code P8 (Dichrocephala integrifolia Kuntze), Code P9 (Leonotis nepetifolia (L) R. Br.), Code P10 (Rhoicissus tridentata (L.f) Wild & Drumm), Code P11 (Toddalia asiatica (L.) Lam), Code P12 (Asparagus africanus Lam.), Code P13 (Balanites orbicularis Sprague), Code P14 (Clerodendrum myricoides (Hochst) R.Br. & Vatke), Code P15 (Caesalpinia decapetala (Roth) Alston), Code P16 (Solanum renschii Vatke), Code P17 (Croton macrostachyus Hochst. ex Delile), Code P18 (Erythrina abyssinica Lam.), Code P19 (Rhus natalensis Bernh. Ex Krauss), Code P20 (Warburgia ugandensis Sprague), Code P21 (Elaeodendron buchananii Loes), Code P22 (Acacia gerrardii Benth.), Code P23 (Carissa edulis Vahl), Code P24 (Cassia didymobotrya Fresen, Code P25 (Acacia nilotica (L.) Delile.) and Code P26 (Bischofia javanica Blume). Data are mean values ± SD. Statistical test: Kruskal-Wallis test (n = 3, *p<0.01, **p<0.05, ***p<0.001).