<?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%">Ashok Kumar Ranganathan</style></author><author><style face="normal" font="default" size="100%">Renato A Dela Peña Jr</style></author><author><style face="normal" font="default" size="100%">Marilyn T Malison</style></author><author><style face="normal" font="default" size="100%">Oscar V Punzalan Jr</style></author><author><style face="normal" font="default" size="100%">Christian R Pangilinan</style></author><author><style face="normal" font="default" size="100%">Daniel E Gracilla</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Cell-free Supernatant from Exiguobacterium acetylicum Isolated from Water Cabbage (Pistia stratiotes) Roots Inhibits Bacillus subtilis and Escherichia coli</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%">Antibiotic</style></keyword><keyword><style  face="normal" font="default" size="100%">Cell-free supernatant</style></keyword><keyword><style  face="normal" font="default" size="100%">Exiguobacterium acetylicum</style></keyword><keyword><style  face="normal" font="default" size="100%">Pistia stratiotes</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2018</style></year><pub-dates><date><style  face="normal" font="default" size="100%">December 2017</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://fulltxt.org/article/420</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">10</style></volume><pages><style face="normal" font="default" size="100%">198-201</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;strong&gt;Introduction:&lt;/strong&gt; The study was carried out to isolate and identify potential antibiotic-producing bacteria associated with water cabbage (&lt;em&gt;Pistia stratiotes&lt;/em&gt;) roots collected from Pampanga River, Pampanga, Philippines. Seven (7) bacterial colonies were randomly chosen at the 10&lt;sup&gt;-6&lt;/sup&gt; dilution factor. Antibiotic sensitivity test using agar well method revealed that only one isolate out of 7 selected colonies can inhibit the growth of the test organisms. Specifically, the isolate (namely T4) supernatant inhibited &lt;em&gt;E. coli &lt;/em&gt;and &lt;em&gt;B. subtilis&lt;/em&gt; but not &lt;em&gt;S. aureus&lt;/em&gt;. T4&amp;rsquo;s ability to inhibit &lt;em&gt;E. coli&lt;/em&gt; was comparable with that of Tetracycline (positive control). Surprisingly, its inhibition of &lt;em&gt;B. subtilis&lt;/em&gt; is significantly higher than that of Tetracycline. 16S rRNA gene sequence analysis using NCBI Basic Local Alignment Search Tool revealed 99% similarity of the isolate (T4) with &lt;em&gt;Exiguobacterium acetylicum&lt;/em&gt;, a gram-positive, antibiotic-producing bacterium previously isolated from an apple orchard rhizosphere.&lt;/p&gt;</style></abstract><issue><style face="normal" font="default" size="100%">1</style></issue><work-type><style face="normal" font="default" size="100%">Original Article</style></work-type><section><style face="normal" font="default" size="100%">198</style></section><auth-address><style face="normal" font="default" size="100%">&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;strong&gt;Ashok Kumar Ranganathan&lt;sup&gt;1&lt;/sup&gt;, Renato A Dela Pena Jr&lt;sup&gt;1&lt;/sup&gt;, Marilyn T Malison&lt;sup&gt;1&lt;/sup&gt;, Oscar V Punzalan Jr&lt;sup&gt;2&lt;/sup&gt;, Christian R Pangilinan&lt;sup&gt;1&lt;/sup&gt; and Daniel E Gracilla&lt;sup&gt;1&lt;/sup&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;sup&gt; 1&lt;/sup&gt;Biology Department, College of Arts and Sciences, Manila Central University, Caloocan City, PHILIPPINES.&lt;/p&gt;
&lt;p style=&quot;text-align: justify;&quot;&gt;&lt;sup&gt;2&lt;/sup&gt;College of Medical Technology, Manila Central University, Caloocan City, PHILIPPINES.&lt;/p&gt;</style></auth-address></record></records></xml>