Niclosamide Blocks Rice Leaf Blight by Inhibiting Biofilm Formation of Xanthomonas oryzae
Identifieur interne : 000869 ( Pmc/Curation ); précédent : 000868; suivant : 000870Niclosamide Blocks Rice Leaf Blight by Inhibiting Biofilm Formation of Xanthomonas oryzae
Auteurs : Sunil Kumar Sahu ; Ping Zheng ; Nan YaoSource :
- Frontiers in Plant Science [ 1664-462X ] ; 2018.
Abstract
Rice (
Url:
DOI: 10.3389/fpls.2018.00408
PubMed: 29651297
PubMed Central: 5884940
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Niclosamide Blocks Rice Leaf Blight by Inhibiting Biofilm Formation of <italic>Xanthomonas oryzae</italic>
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<author><name sortKey="Sahu, Sunil Kumar" sort="Sahu, Sunil Kumar" uniqKey="Sahu S" first="Sunil Kumar" last="Sahu">Sunil Kumar Sahu</name>
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<author><name sortKey="Zheng, Ping" sort="Zheng, Ping" uniqKey="Zheng P" first="Ping" last="Zheng">Ping Zheng</name>
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<author><name sortKey="Yao, Nan" sort="Yao, Nan" uniqKey="Yao N" first="Nan" last="Yao">Nan Yao</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Niclosamide Blocks Rice Leaf Blight by Inhibiting Biofilm Formation of <italic>Xanthomonas oryzae</italic>
</title>
<author><name sortKey="Sahu, Sunil Kumar" sort="Sahu, Sunil Kumar" uniqKey="Sahu S" first="Sunil Kumar" last="Sahu">Sunil Kumar Sahu</name>
</author>
<author><name sortKey="Zheng, Ping" sort="Zheng, Ping" uniqKey="Zheng P" first="Ping" last="Zheng">Ping Zheng</name>
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<author><name sortKey="Yao, Nan" sort="Yao, Nan" uniqKey="Yao N" first="Nan" last="Yao">Nan Yao</name>
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<series><title level="j">Frontiers in Plant Science</title>
<idno type="eISSN">1664-462X</idno>
<imprint><date when="2018">2018</date>
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<front><div type="abstract" xml:lang="en"><p>Rice (<italic>Oryza sativa</italic>
) is the leading source of nutrition for more than half of the world’s population, and by far it is the most important commercial food crop. But, its growth and production are significantly hampered by the bacterial pathogen <italic>Xanthomonas oryzae</italic>
pv. <italic>oryzae</italic>
(Xoo) which causes leaf blight disease. Earlier studies have reported the antibacterial ability of FDA-approved niclosamide drug against Xoo. However, the underlying mechanism by which niclosamide blocks the growth of Xoo remained elusive. In the present study, by employing the microbiological, microscopical, molecular, bioinformatics and analytical tools we found that niclosamide can directly inhibit the growth of the Xoo by hampering the biofilm formation and the production of xanthomonadin and exopolysaccharide substances (EPS) required for relentless growth and virulence of Xoo. Interestingly, niclosamide was found to specifically suppress the growth of Xoo without affecting other bacteria like <italic>Escherichia coli</italic>
. Our electron microscopic observations disclosed that niclosamide disrupts the membrane permeability of Xoo and causes the release of intracellular components. Similarly, the molecular docking analysis disclosed the molecular interaction of niclosamide with the biofilm, virulence and quorum sensing related proteins, which was further substantiated by relative gene expression analysis where niclosamide was found to significantly downregulate the expression of these key regulatory genes. In addition, considerable changes in chemical structures were detected by Fourier Transform Infrared Spectroscopy (FTIR) in response to niclosamide treatment. Overall, our findings advocate the utilization of niclosamide as a safe and potent alternative antibacterial compound to control bacterial blight disease in rice.</p>
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<pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Front Plant Sci</journal-id>
<journal-id journal-id-type="iso-abbrev">Front Plant Sci</journal-id>
<journal-id journal-id-type="publisher-id">Front. Plant Sci.</journal-id>
<journal-title-group><journal-title>Frontiers in Plant Science</journal-title>
</journal-title-group>
<issn pub-type="epub">1664-462X</issn>
<publisher><publisher-name>Frontiers Media S.A.</publisher-name>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">29651297</article-id>
<article-id pub-id-type="pmc">5884940</article-id>
<article-id pub-id-type="doi">10.3389/fpls.2018.00408</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Plant Science</subject>
<subj-group><subject>Original Research</subject>
</subj-group>
</subj-group>
</article-categories>
<title-group><article-title>Niclosamide Blocks Rice Leaf Blight by Inhibiting Biofilm Formation of <italic>Xanthomonas oryzae</italic>
</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Sahu</surname>
<given-names>Sunil Kumar</given-names>
</name>
<xref ref-type="corresp" rid="c001"><sup>*</sup>
</xref>
<uri xlink:type="simple" xlink:href="http://loop.frontiersin.org/people/490014/overview"></uri>
</contrib>
<contrib contrib-type="author"><name><surname>Zheng</surname>
<given-names>Ping</given-names>
</name>
<uri xlink:type="simple" xlink:href="http://loop.frontiersin.org/people/298820/overview"></uri>
</contrib>
<contrib contrib-type="author"><name><surname>Yao</surname>
<given-names>Nan</given-names>
</name>
<xref ref-type="corresp" rid="c001"><sup>*</sup>
</xref>
<uri xlink:type="simple" xlink:href="http://loop.frontiersin.org/people/195300/overview"></uri>
</contrib>
</contrib-group>
<aff><institution>State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University</institution>
,<addr-line>Guangzhou</addr-line>
,<country>China</country>
</aff>
<author-notes><fn fn-type="edited-by"><p>Edited by: Brigitte Mauch-Mani, University of Neuchâtel, Switzerland</p>
</fn>
<fn fn-type="edited-by"><p>Reviewed by: Jayanta Kumar Patra, Dongguk University, South Korea; Shunyuan Xiao, University of Maryland, College Park, United States</p>
</fn>
<corresp id="c001">*Correspondence: Sunil Kumar Sahu, <email>sunilks@mail.sysu.edu.cn</email>
Nan Yao, <email>yaonan@mail.sysu.edu.cn</email>
</corresp>
<fn fn-type="other" id="fn002"><p>This article was submitted to Plant Microbe Interactions, a section of the journal Frontiers in Plant Science</p>
</fn>
</author-notes>
<pub-date pub-type="epub"><day>29</day>
<month>3</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="collection"><year>2018</year>
</pub-date>
<volume>9</volume>
<elocation-id>408</elocation-id>
<history><date date-type="received"><day>22</day>
<month>11</month>
<year>2017</year>
</date>
<date date-type="accepted"><day>14</day>
<month>3</month>
<year>2018</year>
</date>
</history>
<permissions><copyright-statement>Copyright © 2018 Sahu, Zheng and Yao.</copyright-statement>
<copyright-year>2018</copyright-year>
<copyright-holder>Sahu, Zheng and Yao</copyright-holder>
<license xlink:href="http://creativecommons.org/licenses/by/4.0/"><license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.</license-p>
</license>
</permissions>
<abstract><p>Rice (<italic>Oryza sativa</italic>
) is the leading source of nutrition for more than half of the world’s population, and by far it is the most important commercial food crop. But, its growth and production are significantly hampered by the bacterial pathogen <italic>Xanthomonas oryzae</italic>
pv. <italic>oryzae</italic>
(Xoo) which causes leaf blight disease. Earlier studies have reported the antibacterial ability of FDA-approved niclosamide drug against Xoo. However, the underlying mechanism by which niclosamide blocks the growth of Xoo remained elusive. In the present study, by employing the microbiological, microscopical, molecular, bioinformatics and analytical tools we found that niclosamide can directly inhibit the growth of the Xoo by hampering the biofilm formation and the production of xanthomonadin and exopolysaccharide substances (EPS) required for relentless growth and virulence of Xoo. Interestingly, niclosamide was found to specifically suppress the growth of Xoo without affecting other bacteria like <italic>Escherichia coli</italic>
. Our electron microscopic observations disclosed that niclosamide disrupts the membrane permeability of Xoo and causes the release of intracellular components. Similarly, the molecular docking analysis disclosed the molecular interaction of niclosamide with the biofilm, virulence and quorum sensing related proteins, which was further substantiated by relative gene expression analysis where niclosamide was found to significantly downregulate the expression of these key regulatory genes. In addition, considerable changes in chemical structures were detected by Fourier Transform Infrared Spectroscopy (FTIR) in response to niclosamide treatment. Overall, our findings advocate the utilization of niclosamide as a safe and potent alternative antibacterial compound to control bacterial blight disease in rice.</p>
</abstract>
<kwd-group><kwd>bacterial blight disease</kwd>
<kwd>biofilm</kwd>
<kwd>extracellular polysaccharide</kwd>
<kwd>niclosamide</kwd>
<kwd>plant–pathogen interaction</kwd>
<kwd>rice</kwd>
<kwd><italic>Xanthomonas oryzae</italic>
</kwd>
</kwd-group>
<funding-group><award-group><funding-source id="cn001">China Postdoctoral Science Foundation<named-content content-type="fundref-id">10.13039/501100002858</named-content>
</funding-source>
<award-id rid="cn001">2016M592575</award-id>
</award-group>
</funding-group>
<counts><fig-count count="8"></fig-count>
<table-count count="2"></table-count>
<equation-count count="1"></equation-count>
<ref-count count="63"></ref-count>
<page-count count="16"></page-count>
<word-count count="0"></word-count>
</counts>
</article-meta>
</front>
</pmc>
</record>
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