<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0187-7380</journal-id>
<journal-title><![CDATA[Revista fitotecnia mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. fitotec. mex]]></abbrev-journal-title>
<issn>0187-7380</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitogenética A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-73802018000300255</article-id>
<article-id pub-id-type="doi">10.35196/rfm.2018.3.255-264</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Diversity of culturable bacterial microbiota of the Eisenia foetida digestive tract]]></article-title>
<article-title xml:lang="es"><![CDATA[Diversidad de la microbiota bacteriana cultivable del tracto digestivo de Esenia foetida]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Pérez]]></surname>
<given-names><![CDATA[J. Abraham]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinosa-Victoria]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva-Rojas]]></surname>
<given-names><![CDATA[Hilda V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Reyes]]></surname>
<given-names><![CDATA[Lucía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Posgraduados Postgrado en Edafología ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Benemérita Universidad Autónoma de Puebla  ]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<volume>41</volume>
<numero>3</numero>
<fpage>255</fpage>
<lpage>264</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802018000300255&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802018000300255&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802018000300255&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary Bacteria are an unavoidable component of the natural earthworm diet; thus, bacterial diversity in the earthworm gut is directly linked to decomposition of organic matter and development of the surrounding plants. The aim of this research was to isolate and to identify biochemically and molecularly the culturable bacterial microbiota of the digestive tract of Eisenia foetida. Earthworms were sourced from Instituto de Reconversión Productiva y Bioenergética (IRBIO) and Colegio de Postgraduados (COLPOS), México. Bacterial isolation was carried out on plates of Brain Heart Infusion (BHI) culture medium. Fifty-six and 44 bacterial isolates were obtained from IRBIO and COLPOS, respectively. The population was composed of 44 Gram-negative and 56 Gram-positive isolates. Over 50 % of the bacterial isolates were rod-shaped cells. The 16S rRNA gene was sequenced and nine genera were identified in worms from IRBIO (Bacillus, Paenibacillus, Solibacillus, Staphylococcus, Arthrobacter, Pantoea, Stenotrophomonas, Acinetobacter and Aeromonas) and six in worms from COLPOS (Bacillus, Paenibacillus, Stenotrophomonas, Staphylococcus, Acinetobacter and Aeromonas). Bacillus was the predominant genus, with eight and six species in the oligochaetes from IRBIO and COLPOS, respectively. The most represented bacteria in the worms from both sites were Bacillus sp. and B. subtilis. The predominance of Bacillus was probably due to spore formation, a reproductive strategy that ensures survival and dispersion in the soil and oligochaetes digestive tract. The gut of E. foetida not only harbored bacterial species of agronomic importance but also species potentially pathogenic for humans (Staphylococcus warneri, Pantoea agglomerans and Stentrophomonas sp.). The larger bacterial diversity in worms from IRBIO could be due to their feeding on cattle manure, which is a rich source of bacteria.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las bacterias son parte inevitable de la dieta natural de las lombrices de tierra; de esta manera, la diversidad bacteriana en el intestino de la lombriz de tierra está directamente relacionada con la descomposición de la materia orgánica y con el desarrollo de las plantas circundantes. El objetivo de esta investigación fue aislar e identificar bioquímica y molecularmente la microbiota bacteriana cultivable del tracto digestivo de Eisenia foetida. Las lombrices de tierra provinieron del Instituto de Reconversión Productiva y Bioenergética (IRBIO) y del Colegio de Postgraduados (COLPOS), México. El aislamiento bacteriano se realizó en placas de medio de cultivo Agar Infusión Cerebro Corazón (AICC). Se obtuvieron 56 y 44 aislamientos bacterianos de IRBIO y COLPOS, respectivamente. La población estuvo compuesta por 44 aislamientos Gram-negativos y 56 Gram-positivos. Más del 50 % de los aislamientos bacterianos presentaron células en forma de bacilo. Se secuenció el gen 16S rRNA y se identificaron nueve géneros en los vermes de IRBIO (Bacillus, Paenibacillus, Solibacillus, Staphylococcus, Arthrobacter, Pantoea, Stenotrophomonas, Acinetobacter y Aeromonas) y seis en los de COLPOS (Bacillus, Paenibacillus, Stenotrophomonas, Staphylococcus, Acinetobacter y Aeromonas). El género predominante fue Bacillus, con ocho y seis especies en los oligoquetos de IRBIO y del COLPOS, respectivamente. Bacillus sp. y B. subtilis fueron las bacterias mayormente representadas en los vermes de ambos sitios. La predominancia de Bacillus esté relacionada probablemente con la formación de esporas, estrategia de reproducción que asegura su supervivencia y dispersión en el suelo y en el tracto digestivo de los oligoquetos. El intestino de E. foetida no sólo albergó especies bacterianas de importancia agronómica, sino también especies potencialmente patógenas para humanos (Staphylococcus warneri, Pantoea agglomerans y Stentrophomonas sp.). La mayor diversidad bacteriana en los vermes de IRBIO pudo deberse a la alimentación con estiércol de bovino, que es una fuente rica en bacterias.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Eisenia foetida]]></kwd>
<kwd lng="en"><![CDATA[Bacillus]]></kwd>
<kwd lng="en"><![CDATA[bacterial diversity]]></kwd>
<kwd lng="en"><![CDATA[gut]]></kwd>
<kwd lng="en"><![CDATA[16S rRNA gene]]></kwd>
<kwd lng="es"><![CDATA[Eisenia foetida]]></kwd>
<kwd lng="es"><![CDATA[Bacillus]]></kwd>
<kwd lng="es"><![CDATA[diversidad bacteriana]]></kwd>
<kwd lng="es"><![CDATA[intestino]]></kwd>
<kwd lng="es"><![CDATA[gen 16S rRNA]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aira]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimizing vermicomposting of animal wastes: effects of rate of manure application on carbon loss and microbial stabilization]]></article-title>
<source><![CDATA[Journal of Environmental Management]]></source>
<year>2008</year>
<volume>88</volume>
<page-range>1525-9</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aira]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Monroy]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Changes in microbial biomass and microbial activity of pig slurry after the transit through the gut of the earthworm Eudrilus eugeniae (Kinberg, 1867)]]></article-title>
<source><![CDATA[Biology and Fertility of Soils]]></source>
<year>2006</year>
<volume>42</volume>
<page-range>371-6</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Benson]]></surname>
<given-names><![CDATA[D. A]]></given-names>
</name>
<name>
<surname><![CDATA[Karsch-Mizrachi]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Lipman]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ostell]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sayers]]></surname>
<given-names><![CDATA[E. W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[GenBank]]></article-title>
<source><![CDATA[Nucleic Acids Research]]></source>
<year>2009</year>
<volume>37</volume>
<page-range>D26-31</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bhadauria]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Saxena]]></surname>
<given-names><![CDATA[K. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of earthworms in soil fertility maintenance through the production of biogenic structures]]></article-title>
<source><![CDATA[Applied and Environmental Soil Science]]></source>
<year>2010</year>
<volume>2010</volume>
<page-range>816073</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brito-Vega]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Espinosa-Victoria]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bacterial diversity in the digestive tract of earthworms (Oligochaeta)]]></article-title>
<source><![CDATA[Journal of Biological Sciences]]></source>
<year>2009</year>
<volume>9</volume>
<page-range>192-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[G. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Doube]]></surname>
<given-names><![CDATA[B. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Functional interactions between earthworms, microorganisms, organic matter, and plants]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Edwards]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Earthworm Ecology]]></source>
<year>2004</year>
<edition>2nd</edition>
<page-range>213-39</page-range><publisher-loc><![CDATA[Boca Raton, FL, USA ]]></publisher-loc>
<publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[A. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Cazacu]]></surname>
<given-names><![CDATA[A. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[C. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pantoea agglomerans, a plant pathogen causing human disease]]></article-title>
<source><![CDATA[Journal of Clinical Microbiology]]></source>
<year>2007</year>
<volume>45</volume>
<page-range>1898-992</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Aira]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Brandón]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El papel de las lombrices de tierra en la descomposición de la materia orgánica y el ciclo de nutrientes]]></article-title>
<source><![CDATA[Ecosistemas]]></source>
<year>2009</year>
<volume>18</volume>
<page-range>20-31</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Doyle]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Doyle]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isolation of plant DNA from fresh tissue]]></article-title>
<source><![CDATA[Focus]]></source>
<year>1990</year>
<volume>12</volume>
<page-range>13-5</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández-Gómez]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Nogales]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Insam]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Goberna]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of DGGE and COMPOCHIP for investigating bacterial communities of various vermicomposts produced from different wastes under dissimilar conditions]]></article-title>
<source><![CDATA[Science of the Total Environment]]></source>
<year>2012</year>
<volume>414</volume>
<page-range>664-71</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[G. M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Vivas A]]></surname>
<given-names><![CDATA[L. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz R.]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes D]]></surname>
<given-names><![CDATA[V. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Hurtado]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bacterias Marinas Nativas Degradadoras de Compuestos Orgánicos Persistentes en Colombia]]></source>
<year>2006</year>
<page-range>32</page-range><publisher-loc><![CDATA[Santa Marta, Colombia ]]></publisher-loc>
<publisher-name><![CDATA[Instituto de Investigaciones Marinas y Costeras, INVEMAR]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gregory]]></surname>
<given-names><![CDATA[T. R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Understanding evolutionary trees]]></article-title>
<source><![CDATA[Evolution: Education and Outreach]]></source>
<year>2008</year>
<volume>1</volume>
<page-range>121-37</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hong]]></surname>
<given-names><![CDATA[S. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Park]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[S. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Chung]]></surname>
<given-names><![CDATA[K. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bacillus eiseniae sp. nov., a swarming, moderately halotolerant bacterium isolated from the intestinal tract of an earthworm (Eisenia foetida L.)]]></article-title>
<source><![CDATA[International Journal of Systematic and Evolutionary Microbiology]]></source>
<year>2012</year>
<volume>62</volume>
<page-range>2077-83</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jayasinghe]]></surname>
<given-names><![CDATA[B. A. T. D]]></given-names>
</name>
<name>
<surname><![CDATA[Parkinson]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Earthworms as the vectors of actinomycetes antagonistic to litter decomposer fungi]]></article-title>
<source><![CDATA[Applied Soil Ecology]]></source>
<year>2009</year>
<volume>43</volume>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[H. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Shin]]></surname>
<given-names><![CDATA[K. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Cha]]></surname>
<given-names><![CDATA[C. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hur]]></surname>
<given-names><![CDATA[H. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analysis of aerobic and culturable bacterial community structures in earthworm (Eisenia foetida) intestine]]></article-title>
<source><![CDATA[Agricultural Chemistry and Biotechnology]]></source>
<year>2004</year>
<volume>47</volume>
<page-range>137-42</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Knapp]]></surname>
<given-names><![CDATA[B. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Seeber]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Podmirseg]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Meyer]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Insam]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Application of denaturing gradient gel electrophoresis for analysing the gut microflora of Lumbricus rubellus Hoffmeister under different feeding conditions]]></article-title>
<source><![CDATA[Bulletin of Entomological Research]]></source>
<year>2008</year>
<volume>98</volume>
<page-range>271-9</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lewis]]></surname>
<given-names><![CDATA[P. O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phylogenetic systematics turns over a new leaf]]></article-title>
<source><![CDATA[Trends in Ecology and Evolution]]></source>
<year>2001</year>
<volume>16</volume>
<page-range>30-7</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Logan]]></surname>
<given-names><![CDATA[N. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Berkeley]]></surname>
<given-names><![CDATA[R. C. W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Identification of Bacillus strains using the API system]]></article-title>
<source><![CDATA[Journal of General Microbiology]]></source>
<year>1984</year>
<volume>130</volume>
<page-range>1871-82</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Méndez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Borges]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Betancourt]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A microscopical view of the intestine of Onychochaeta borincana (Oligochaeta: Glossoscolecidae)]]></article-title>
<source><![CDATA[Pedobiologia]]></source>
<year>2003</year>
<volume>47</volume>
<page-range>900-3</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pathma]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sakthivel]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microbial diversity of vermicompost bacteria that exhibit useful agricultural traits and waste management potential]]></article-title>
<source><![CDATA[SpringerPlus]]></source>
<year>2012</year>
<volume>1</volume>
<page-range>26</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Predari]]></surname>
<given-names><![CDATA[S. C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estafilococos coagulasa negativos: el enemigo silente]]></article-title>
<source><![CDATA[Revista Argentina de Microbiología]]></source>
<year>2007</year>
<volume>39</volume>
<page-range>1-3</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Negri]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lutz]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Summer succession of ultraphytoplankton at the EPEA coastal station (Northern Argentina)]]></article-title>
<source><![CDATA[Journal of Plankton Research]]></source>
<year>2009</year>
<volume>31</volume>
<page-range>447-58</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tamura]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Stecher]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Peterson]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Filipski]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[MEGA6: Molecular evolutionary genetics analysis version 6.0]]></article-title>
<source><![CDATA[Molecular Biology and Evolution]]></source>
<year>2013</year>
<volume>30</volume>
<page-range>2725-9</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torsvik]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Øvreås]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microbial diversity and function in soil: from genes to ecosystems]]></article-title>
<source><![CDATA[Current Opinion in Microbiology]]></source>
<year>2002</year>
<volume>5</volume>
<page-range>240-5</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valle-Molinares]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Borges]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ríos-Velázquez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Characterization of possible symbionts in Onychochaeta borincana (Annelida: Glossoscolecidae)]]></article-title>
<source><![CDATA[European Journal of Soil Biology]]></source>
<year>2007</year>
<volume>43</volume>
<page-range>S14-8</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Venter]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Remington]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Heildelberg]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Halpern]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Rusch]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Eisen]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Paulsen]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Nelson]]></surname>
<given-names><![CDATA[K. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Nelson]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Fouts]]></surname>
<given-names><![CDATA[D. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Levy]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Knap]]></surname>
<given-names><![CDATA[A. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Lomas]]></surname>
<given-names><![CDATA[M. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Nealson]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[White]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Peterson]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hoffman]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Parsons]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Baden-Tillson]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Pfannkoch]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Rogers]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[H. O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Environmental genome shotgun sequencing of the Sargasso Sea]]></article-title>
<source><![CDATA[Science]]></source>
<year>2004</year>
<volume>304</volume>
<page-range>66-74</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vickerman]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Brossard]]></surname>
<given-names><![CDATA[K. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Funk]]></surname>
<given-names><![CDATA[D. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Jesionowski]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gill]]></surname>
<given-names><![CDATA[S. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phylogenetic analysis of bacterial and archaeal species in symptomatic and asymptomatic endodontic infections]]></article-title>
<source><![CDATA[Journal of Medical Microbiology]]></source>
<year>2007</year>
<volume>56</volume>
<page-range>110-8</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
