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The bioactivity of plant extracts against representative bacterial pathogens of the lower respiratory tract

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The bioactivity of plant extracts against representative bacterial pathogens of the lower respiratory tract

Auteurs : Virgilio Bocanegra-García [Mexique] ; María Del Rayo Camacho-Corona [Mexique] ; M Nica Ramírez-Cabrera [Mexique] ; Gildardo Rivera [Mexique] ; Elvira Garza-González [Mexique]

Source :

BMC Research Notes [ 1756-0500 ] ; 2009.

RBID : PMC:2702266

Abstract

Background

Lower respiratory tract infections are a major cause of illness and death. Such infections are common in intensive care units (ICU) and their lethality persists despite advances in diagnosis, treatment and prevention. In Mexico, some plants are used in traditional medicine to treat respiratory diseases or ailments such as cough, bronchitis, tuberculosis and other infections. Medical knowledge derived from traditional societies has motivated searches for new bioactive molecules derived from plants that show potent activity against bacterial pathogens. Therefore, the aim of this study was to evaluate the effect of hexanic, chloroformic (CLO), methanolic (MET) and aqueous extracts from various plants used in Mexican traditional medicine on various microorganisms associated with respiratory disease.

Methods

thirty-five extracts prepared from nine plants used in Mexican traditional medicine for the treatment of respiratory infections were evaluated against 15 control bacterial species and clinical isolates.

Results

Both chloroformic (CLO) and methanolic (MET) extracts of Larrea tridentata were active against Methicillin-resistant S. aureus, B. subtilis and L. monocytogenes. A MET extract of L. tridentata was also active against S. aureus, S. pneumoniae, S. maltophilia, E. faecalis and H. influenzae and the CLO extract was active against A. baumannii. An Aqueous extract of M. acumitata and a MET extract of N. officinale were active against S. pneumoniae. CLO and MET extracts of L. tridentata were active against clinical isolates of S. aureus, S. pneumoniae and E. faecalis.

Conclusion

Overall, our results support the potential use of L. tridentata as a source of antibacterial compounds.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2702266

DOI: 10.1186/1756-0500-2-95
PubMed: 19486533
PubMed Central: 2702266

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<author><name sortKey="Bocanegra Garcia, Virgilio" sort="Bocanegra Garcia, Virgilio" uniqKey="Bocanegra Garcia V" first="Virgilio" last="Bocanegra-García">Virgilio Bocanegra-García</name>
<affiliation wicri:level="1"><nlm:aff id="I1">Departamento de Biología Molecular y Bioingeniería, UAM Reynosa Aztlán, Universidad Autónoma de Tamaulipas, Reynosa, Mexico</nlm:aff>
<country xml:lang="fr">Mexique</country>
<wicri:regionArea>Departamento de Biología Molecular y Bioingeniería, UAM Reynosa Aztlán, Universidad Autónoma de Tamaulipas, Reynosa</wicri:regionArea>
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<author><name sortKey="Del Rayo Camacho Corona, Maria" sort="Del Rayo Camacho Corona, Maria" uniqKey="Del Rayo Camacho Corona M" first="María" last="Del Rayo Camacho-Corona">María Del Rayo Camacho-Corona</name>
<affiliation wicri:level="1"><nlm:aff id="I2">Laboratorio de Química de Productos Naturales, División de Estudios Superiores de la Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Monterrey, NL, Mexico</nlm:aff>
<country xml:lang="fr">Mexique</country>
<wicri:regionArea>Laboratorio de Química de Productos Naturales, División de Estudios Superiores de la Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Monterrey, NL</wicri:regionArea>
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<author><name sortKey="Ramirez Cabrera, M Nica" sort="Ramirez Cabrera, M Nica" uniqKey="Ramirez Cabrera M" first="M Nica" last="Ramírez-Cabrera">M Nica Ramírez-Cabrera</name>
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<author><name sortKey="Rivera, Gildardo" sort="Rivera, Gildardo" uniqKey="Rivera G" first="Gildardo" last="Rivera">Gildardo Rivera</name>
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<author><name sortKey="Garza Gonzalez, Elvira" sort="Garza Gonzalez, Elvira" uniqKey="Garza Gonzalez E" first="Elvira" last="Garza-González">Elvira Garza-González</name>
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<author><name sortKey="Ramirez Cabrera, M Nica" sort="Ramirez Cabrera, M Nica" uniqKey="Ramirez Cabrera M" first="M Nica" last="Ramírez-Cabrera">M Nica Ramírez-Cabrera</name>
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<country xml:lang="fr">Mexique</country>
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</affiliation>
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<author><name sortKey="Rivera, Gildardo" sort="Rivera, Gildardo" uniqKey="Rivera G" first="Gildardo" last="Rivera">Gildardo Rivera</name>
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<wicri:regionArea>Departamento de Biología Molecular y Bioingeniería, UAM Reynosa Aztlán, Universidad Autónoma de Tamaulipas, Reynosa</wicri:regionArea>
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<author><name sortKey="Garza Gonzalez, Elvira" sort="Garza Gonzalez, Elvira" uniqKey="Garza Gonzalez E" first="Elvira" last="Garza-González">Elvira Garza-González</name>
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<front><div type="abstract" xml:lang="en"><sec><title>Background</title>
<p>Lower respiratory tract infections are a major cause of illness and death. Such infections are common in intensive care units (ICU) and their lethality persists despite advances in diagnosis, treatment and prevention. In Mexico, some plants are used in traditional medicine to treat respiratory diseases or ailments such as cough, bronchitis, tuberculosis and other infections. Medical knowledge derived from traditional societies has motivated searches for new bioactive molecules derived from plants that show potent activity against bacterial pathogens. Therefore, the aim of this study was to evaluate the effect of hexanic, chloroformic (CLO), methanolic (MET) and aqueous extracts from various plants used in Mexican traditional medicine on various microorganisms associated with respiratory disease.</p>
</sec>
<sec sec-type="methods"><title>Methods</title>
<p>thirty-five extracts prepared from nine plants used in Mexican traditional medicine for the treatment of respiratory infections were evaluated against 15 control bacterial species and clinical isolates.</p>
</sec>
<sec><title>Results</title>
<p>Both chloroformic (CLO) and methanolic (MET) extracts of <italic>Larrea tridentata </italic>
were active against Methicillin-resistant <italic>S. aureus</italic>
, <italic>B. subtilis </italic>
and <italic>L. monocytogenes</italic>
. A MET extract of <italic>L. tridentata </italic>
was also active against <italic>S. aureus</italic>
, <italic>S. pneumoniae</italic>
, <italic>S. maltophilia</italic>
, <italic>E. faecalis </italic>
and <italic>H. influenzae </italic>
and the CLO extract was active against <italic>A. baumannii</italic>
. An Aqueous extract of <italic>M. acumitata </italic>
and a MET extract of <italic>N. officinale </italic>
were active against <italic>S. pneumoniae</italic>
. CLO and MET extracts of <italic>L. tridentata </italic>
were active against clinical isolates of <italic>S. aureus</italic>
, <italic>S. pneumoniae </italic>
and <italic>E. faecalis</italic>
.</p>
</sec>
<sec><title>Conclusion</title>
<p>Overall, our results support the potential use of <italic>L. tridentata </italic>
as a source of antibacterial compounds.</p>
</sec>
</div>
</front>
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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">BMC Res Notes</journal-id>
<journal-title>BMC Research Notes</journal-title>
<issn pub-type="epub">1756-0500</issn>
<publisher><publisher-name>BioMed Central</publisher-name>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">19486533</article-id>
<article-id pub-id-type="pmc">2702266</article-id>
<article-id pub-id-type="publisher-id">1756-0500-2-95</article-id>
<article-id pub-id-type="doi">10.1186/1756-0500-2-95</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Short Report</subject>
</subj-group>
</article-categories>
<title-group><article-title>The bioactivity of plant extracts against representative bacterial pathogens of the lower respiratory tract</article-title>
</title-group>
<contrib-group><contrib id="A1" contrib-type="author"><name><surname>Bocanegra-García</surname>
<given-names>Virgilio</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>vbocanegg@yahoo.com</email>
</contrib>
<contrib id="A2" corresp="yes" contrib-type="author"><name><surname>del Rayo Camacho-Corona</surname>
<given-names>María</given-names>
</name>
<xref ref-type="aff" rid="I2">2</xref>
<email>maracamcor@hotmail.com</email>
</contrib>
<contrib id="A3" contrib-type="author"><name><surname>Ramírez-Cabrera</surname>
<given-names>Mónica</given-names>
</name>
<xref ref-type="aff" rid="I2">2</xref>
<email>mony_zuzy@yahoo.com</email>
</contrib>
<contrib id="A4" contrib-type="author"><name><surname>Rivera</surname>
<given-names>Gildardo</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>gildardors@hotmail.com</email>
</contrib>
<contrib id="A5" contrib-type="author"><name><surname>Garza-González</surname>
<given-names>Elvira</given-names>
</name>
<xref ref-type="aff" rid="I3">3</xref>
<email>elvira_garza_gzz@yahoo.com</email>
</contrib>
</contrib-group>
<aff id="I1"><label>1</label>
Departamento de Biología Molecular y Bioingeniería, UAM Reynosa Aztlán, Universidad Autónoma de Tamaulipas, Reynosa, Mexico</aff>
<aff id="I2"><label>2</label>
Laboratorio de Química de Productos Naturales, División de Estudios Superiores de la Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Monterrey, NL, Mexico</aff>
<aff id="I3"><label>3</label>
Departamento de Microbiología Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey, NL, Mexico</aff>
<pub-date pub-type="collection"><year>2009</year>
</pub-date>
<pub-date pub-type="epub"><day>1</day>
<month>6</month>
<year>2009</year>
</pub-date>
<volume>2</volume>
<fpage>95</fpage>
<lpage>95</lpage>
<ext-link ext-link-type="uri" xlink:href="http://www.biomedcentral.com/1756-0500/2/95"></ext-link>
<history><date date-type="received"><day>27</day>
<month>1</month>
<year>2009</year>
</date>
<date date-type="accepted"><day>1</day>
<month>6</month>
<year>2009</year>
</date>
</history>
<permissions><copyright-statement>Copyright © 2009 Camacho-Corona et al; licensee BioMed Central Ltd.</copyright-statement>
<copyright-year>2009</copyright-year>
<copyright-holder>Camacho-Corona et al; licensee BioMed Central Ltd.</copyright-holder>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/2.0"><p>This is an open access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/2.0"></ext-link>
), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</p>
<pmc-comment> 
 Bocanegra-García 
 Virgilio 
  
 vbocanegg@yahoo.com 
  
 The bioactivity of plant extracts against representative bacterial pathogens of the lower respiratory tract 
 2009BMC Research Notes 2(1): 95-. (2009)1756-0500(2009)2:1<95>urn:ISSN:1756-0500</pmc-comment>
        </license>
</permissions>
<abstract><sec><title>Background</title>
<p>Lower respiratory tract infections are a major cause of illness and death. Such infections are common in intensive care units (ICU) and their lethality persists despite advances in diagnosis, treatment and prevention. In Mexico, some plants are used in traditional medicine to treat respiratory diseases or ailments such as cough, bronchitis, tuberculosis and other infections. Medical knowledge derived from traditional societies has motivated searches for new bioactive molecules derived from plants that show potent activity against bacterial pathogens. Therefore, the aim of this study was to evaluate the effect of hexanic, chloroformic (CLO), methanolic (MET) and aqueous extracts from various plants used in Mexican traditional medicine on various microorganisms associated with respiratory disease.</p>
</sec>
<sec sec-type="methods"><title>Methods</title>
<p>thirty-five extracts prepared from nine plants used in Mexican traditional medicine for the treatment of respiratory infections were evaluated against 15 control bacterial species and clinical isolates.</p>
</sec>
<sec><title>Results</title>
<p>Both chloroformic (CLO) and methanolic (MET) extracts of <italic>Larrea tridentata </italic>
were active against Methicillin-resistant <italic>S. aureus</italic>
, <italic>B. subtilis </italic>
and <italic>L. monocytogenes</italic>
. A MET extract of <italic>L. tridentata </italic>
was also active against <italic>S. aureus</italic>
, <italic>S. pneumoniae</italic>
, <italic>S. maltophilia</italic>
, <italic>E. faecalis </italic>
and <italic>H. influenzae </italic>
and the CLO extract was active against <italic>A. baumannii</italic>
. An Aqueous extract of <italic>M. acumitata </italic>
and a MET extract of <italic>N. officinale </italic>
were active against <italic>S. pneumoniae</italic>
. CLO and MET extracts of <italic>L. tridentata </italic>
were active against clinical isolates of <italic>S. aureus</italic>
, <italic>S. pneumoniae </italic>
and <italic>E. faecalis</italic>
.</p>
</sec>
<sec><title>Conclusion</title>
<p>Overall, our results support the potential use of <italic>L. tridentata </italic>
as a source of antibacterial compounds.</p>
</sec>
</abstract>
</article-meta>
</front>
</pmc>
</record>

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The bioactivity of plant extracts against representative bacterial pathogens of the lower respiratory tract

The bioactivity of plant extracts against representative bacterial pathogens of the lower respiratory tract

Source :

Abstract

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