Swarm motility of Salmonella enterica serovar Typhimurium is inhibited by compounds from fruit peel extracts.
Identifieur interne : 000438 ( Main/Exploration ); précédent : 000437; suivant : 000439Swarm motility of Salmonella enterica serovar Typhimurium is inhibited by compounds from fruit peel extracts.
Auteurs : G. Mahadwar [États-Unis] ; K R Chauhan ; G V Bhagavathy ; C. Murphy ; A D Smith ; A A BhagwatSource :
- Letters in applied microbiology [ 1472-765X ] ; 2015.
English descriptors
- KwdEn :
- Ananas (chemistry), Ananas (microbiology), Anti-Bacterial Agents (chemistry), Citrus sinensis (chemistry), Citrus sinensis (microbiology), Flagella (genetics), Flagella (metabolism), Humans, Microbial Sensitivity Tests, Persea (chemistry), Persea (microbiology), Plant Extracts (chemistry), Punicaceae (chemistry), Punicaceae (microbiology), Salmonella typhimurium (genetics), Salmonella typhimurium (metabolism), Soybeans (chemistry), Soybeans (microbiology), Waste Products (analysis).
- MESH :
- chemical , analysis : Waste Products.
- chemical , chemistry : Anti-Bacterial Agents, Plant Extracts.
- chemistry : Ananas, Citrus sinensis, Persea, Punicaceae, Soybeans.
- genetics : Flagella, Salmonella typhimurium.
- metabolism : Flagella, Salmonella typhimurium.
- microbiology : Ananas, Citrus sinensis, Persea, Punicaceae, Soybeans.
- Humans, Microbial Sensitivity Tests.
Abstract
Controlling spread of human pathogens on fresh produce is a top priority for public health reasons. Isolation of compounds from agricultural waste that would control spread of human pathogens was explored using Salmonella enterica serovar Typhimurium as a model organism. In the environment, micro-organisms migrate as a 'community' especially when they move on moist surfaces. This type of motility is characterized as swarming motility. We examined extracts from agricultural waste such as soya bean husk, peels of orange, pineapple, avocado and pomegranate for antiswarming activity. Avocado and pineapple peels showed moderate (~40%) inhibition of swarming motility while pomegranate peel extract had high antiswarming activity (~85% inhibition) and was examined in further detail. Although the pomegranate peel extract was acidic, swarm-inhibitory activity was not due to low pH and the peel extract did not inhibit growth of Salmonella. Among the key swarm motility regulatory genes, class II (fliF, fliA, fliT and fliZ) and class III (fliC and fliM) regulators were downregulated upon exposure to pomegranate peel extract. Pomegranate peels offer great potential as a bioactive repellent for pathogenic micro-organisms on moist surfaces.
DOI: 10.1111/lam.12364
PubMed: 25422036
Affiliations:
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Wallace Beltsville Agricultural Research Center, Agricultural Research Service, USDA, Beltsville, MD</wicri:regionArea><placeName><region type="state">Maryland</region></placeName></affiliation></author><author><name sortKey="Chauhan, K R" sort="Chauhan, K R" uniqKey="Chauhan K" first="K R" last="Chauhan">K R Chauhan</name></author><author><name sortKey="Bhagavathy, G V" sort="Bhagavathy, G V" uniqKey="Bhagavathy G" first="G V" last="Bhagavathy">G V Bhagavathy</name></author><author><name sortKey="Murphy, C" sort="Murphy, C" uniqKey="Murphy C" first="C" last="Murphy">C. Murphy</name></author><author><name sortKey="Smith, A D" sort="Smith, A D" uniqKey="Smith A" first="A D" last="Smith">A D Smith</name></author><author><name sortKey="Bhagwat, A A" sort="Bhagwat, A A" uniqKey="Bhagwat A" first="A A" last="Bhagwat">A A Bhagwat</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2015">2015</date><idno type="RBID">pubmed:25422036</idno><idno type="pmid">25422036</idno><idno type="doi">10.1111/lam.12364</idno><idno type="wicri:Area/PubMed/Corpus">000196</idno><idno type="wicri:Area/PubMed/Curation">000196</idno><idno type="wicri:Area/PubMed/Checkpoint">000196</idno><idno type="wicri:Area/Ncbi/Merge">001910</idno><idno type="wicri:Area/Ncbi/Curation">001910</idno><idno type="wicri:Area/Ncbi/Checkpoint">001910</idno><idno type="wicri:Area/Main/Merge">000438</idno><idno type="wicri:Area/Main/Curation">000438</idno><idno type="wicri:Area/Main/Exploration">000438</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Swarm motility of Salmonella enterica serovar Typhimurium is inhibited by compounds from fruit peel extracts.</title><author><name sortKey="Mahadwar, G" sort="Mahadwar, G" uniqKey="Mahadwar G" first="G" last="Mahadwar">G. Mahadwar</name><affiliation wicri:level="2"><nlm:affiliation>Environmental Microbial & Food Safety Laboratory, Henry A. Wallace Beltsville Agricultural Research Center, Agricultural Research Service, USDA, Beltsville, MD, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Environmental Microbial & Food Safety Laboratory, Henry A. Wallace Beltsville Agricultural Research Center, Agricultural Research Service, USDA, Beltsville, MD</wicri:regionArea><placeName><region type="state">Maryland</region></placeName></affiliation></author><author><name sortKey="Chauhan, K R" sort="Chauhan, K R" uniqKey="Chauhan K" first="K R" last="Chauhan">K R Chauhan</name></author><author><name sortKey="Bhagavathy, G V" sort="Bhagavathy, G V" uniqKey="Bhagavathy G" first="G V" last="Bhagavathy">G V Bhagavathy</name></author><author><name sortKey="Murphy, C" sort="Murphy, C" uniqKey="Murphy C" first="C" last="Murphy">C. Murphy</name></author><author><name sortKey="Smith, A D" sort="Smith, A D" uniqKey="Smith A" first="A D" last="Smith">A D Smith</name></author><author><name sortKey="Bhagwat, A A" sort="Bhagwat, A A" uniqKey="Bhagwat A" first="A A" last="Bhagwat">A A Bhagwat</name></author></analytic><series><title level="j">Letters in applied microbiology</title><idno type="eISSN">1472-765X</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ananas (chemistry)</term><term>Ananas (microbiology)</term><term>Anti-Bacterial Agents (chemistry)</term><term>Citrus sinensis (chemistry)</term><term>Citrus sinensis (microbiology)</term><term>Flagella (genetics)</term><term>Flagella (metabolism)</term><term>Humans</term><term>Microbial Sensitivity Tests</term><term>Persea (chemistry)</term><term>Persea (microbiology)</term><term>Plant Extracts (chemistry)</term><term>Punicaceae (chemistry)</term><term>Punicaceae (microbiology)</term><term>Salmonella typhimurium (genetics)</term><term>Salmonella typhimurium (metabolism)</term><term>Soybeans (chemistry)</term><term>Soybeans (microbiology)</term><term>Waste Products (analysis)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Waste Products</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Anti-Bacterial Agents</term><term>Plant Extracts</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Ananas</term><term>Citrus sinensis</term><term>Persea</term><term>Punicaceae</term><term>Soybeans</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Flagella</term><term>Salmonella typhimurium</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Flagella</term><term>Salmonella typhimurium</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Ananas</term><term>Citrus sinensis</term><term>Persea</term><term>Punicaceae</term><term>Soybeans</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Humans</term><term>Microbial Sensitivity Tests</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Controlling spread of human pathogens on fresh produce is a top priority for public health reasons. Isolation of compounds from agricultural waste that would control spread of human pathogens was explored using Salmonella enterica serovar Typhimurium as a model organism. In the environment, micro-organisms migrate as a 'community' especially when they move on moist surfaces. This type of motility is characterized as swarming motility. We examined extracts from agricultural waste such as soya bean husk, peels of orange, pineapple, avocado and pomegranate for antiswarming activity. Avocado and pineapple peels showed moderate (~40%) inhibition of swarming motility while pomegranate peel extract had high antiswarming activity (~85% inhibition) and was examined in further detail. Although the pomegranate peel extract was acidic, swarm-inhibitory activity was not due to low pH and the peel extract did not inhibit growth of Salmonella. Among the key swarm motility regulatory genes, class II (fliF, fliA, fliT and fliZ) and class III (fliC and fliM) regulators were downregulated upon exposure to pomegranate peel extract. Pomegranate peels offer great potential as a bioactive repellent for pathogenic micro-organisms on moist surfaces.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Maryland</li></region></list><tree><noCountry><name sortKey="Bhagavathy, G V" sort="Bhagavathy, G V" uniqKey="Bhagavathy G" first="G V" last="Bhagavathy">G V Bhagavathy</name><name sortKey="Bhagwat, A A" sort="Bhagwat, A A" uniqKey="Bhagwat A" first="A A" last="Bhagwat">A A Bhagwat</name><name sortKey="Chauhan, K R" sort="Chauhan, K R" uniqKey="Chauhan K" first="K R" last="Chauhan">K R Chauhan</name><name sortKey="Murphy, C" sort="Murphy, C" uniqKey="Murphy C" first="C" last="Murphy">C. Murphy</name><name sortKey="Smith, A D" sort="Smith, A D" uniqKey="Smith A" first="A D" last="Smith">A D Smith</name></noCountry><country name="États-Unis"><region name="Maryland"><name sortKey="Mahadwar, G" sort="Mahadwar, G" uniqKey="Mahadwar G" first="G" last="Mahadwar">G. Mahadwar</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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