<?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>1316-4821</journal-id>
<journal-title><![CDATA[Universidad, Ciencia y Tecnología]]></journal-title>
<abbrev-journal-title><![CDATA[uct]]></abbrev-journal-title>
<issn>1316-4821</issn>
<publisher>
<publisher-name><![CDATA[AutanaBooks S.A.S. Revista de la Universidad Experimental Politécnica Antonio José de Sucre, Vice Rectorado Puerto Ordaz, Venezuela, gestionada en Ecuador por AutanaBooks]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1316-48212025000100089</article-id>
<article-id pub-id-type="doi">10.47460/uct.v29i126.925</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización morfológica y optimización de bio-insumo a base de microorganismos eficientes]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphological characterization and optimization of bio-input based on efficient microorganisms]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Crespo Ávila]]></surname>
<given-names><![CDATA[Jorge Abel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suquilanda Valdivieso]]></surname>
<given-names><![CDATA[Manuel Benjamín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carranza Cárdenas]]></surname>
<given-names><![CDATA[Cecibel Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arellano Ibarra]]></surname>
<given-names><![CDATA[Ketty Vanessa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vera Benites]]></surname>
<given-names><![CDATA[Luis Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Técnica Estatal de Quevedo  ]]></institution>
<addr-line><![CDATA[Quevedo ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Técnica Estatal de Quevedo  ]]></institution>
<addr-line><![CDATA[Quevedo ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Técnica Estatal de Quevedo  ]]></institution>
<addr-line><![CDATA[Quevedo ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Técnica Estatal de Quevedo  ]]></institution>
<addr-line><![CDATA[Quevedo ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Técnica Estatal de Quevedo  ]]></institution>
<addr-line><![CDATA[Quevedo ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2025</year>
</pub-date>
<volume>29</volume>
<numero>126</numero>
<fpage>89</fpage>
<lpage>99</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_arttext&amp;pid=S1316-48212025000100089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_abstract&amp;pid=S1316-48212025000100089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_pdf&amp;pid=S1316-48212025000100089&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El estudio de la caracterización morfológica y la optimización de bioinsumos basados en microorganismos eficientes es esencial para la agricultura y la biotecnología. En esta investigación se aislaron y caracterizaron microorganismos autóctonos, evaluando su crecimiento en medios de cultivo alternativos. Se prepararon tres medios suplementados con fuentes alternativas de energía según los requerimientos nutricionales bacterianos en distintas concentraciones. Para el análisis, se utilizó un Diseño Completamente al Azar (DCA) con 25 tratamientos. En el Medio 1, todas las cepas mostraron conteos bacterianos incontables debido a un crecimiento excesivo. Los resultados de crecimiento colonial proporcionan información valiosa sobre las preferencias nutricionales y las respuestas adaptativas de bacterias ante diferentes condiciones de cultivo proporcionando datos clave para el desarrollo de bioinsumos más eficientes y sostenibles.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The study of morphological characterization and optimization of bio-inputs based on efficient microorganisms is essential for agriculture and biotechnology. In this research, indigenous microorganisms were isolated and characterized, evaluating their growth in alternative culture media. Three media supplemented with alternative energy sources according to bacterial nutritional requirements at different concentrations were prepared. For the analysis, a Completely Randomized Design (CRD) with 25 treatments was used. In Medium 1, all strains showed uncountable bacterial counts due to excessive growth. The colonial growth results provide valuable information on the nutritional preferences and adaptive responses of bacteria to different culture conditions, providing key data for developing more efficient and sustainable bio-inputs.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[bio-insumo]]></kwd>
<kwd lng="es"><![CDATA[microorganismos]]></kwd>
<kwd lng="es"><![CDATA[medios de cultivo]]></kwd>
<kwd lng="en"><![CDATA[bio-input]]></kwd>
<kwd lng="en"><![CDATA[microorganisms]]></kwd>
<kwd lng="en"><![CDATA[culture media]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LunaCastellanos]]></surname>
<given-names><![CDATA[L. L]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez López]]></surname>
<given-names><![CDATA[D. B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimización de medios de cultivos con fuentesagroindustriales para el crecimiento del ñame espino(Dioscorea rotundata Poir)]]></article-title>
<source><![CDATA[FAVE Sección Ciencias Agrar]]></source>
<year>2022</year>
<volume>21</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>67-83</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morocho]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Leiva]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microorganismos eficientes, propiedades funcionales y aplicaciones agrícolas]]></article-title>
<source><![CDATA[Cent. Agrícola]]></source>
<year>2019</year>
<volume>46</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>93-103</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mestre]]></surname>
<given-names><![CDATA[M. C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[de lechuga y zanahoria , en la Patagonia argentina carrot crops]]></article-title>
<source><![CDATA[Argentinean Patagonia]]></source>
<year>2024</year>
<volume>11</volume>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gaveliene]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Socik]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Jankovska]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Jurkoniene]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Plant microbial biostimulants as a promising tool to enhance the productivity and quality of carrot root crops]]></article-title>
<source><![CDATA[Microorganisms]]></source>
<year>2021</year>
<volume>9</volume>
<numero>9</numero>
<issue>9</issue>
</nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alarcón]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Recharte]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Yanqui]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Buendia]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fertilizing with native efficient microorganisms has a positive effect on the phenology, biomass and production of tomato (Lycopersicum esculentum Mill)]]></article-title>
<source><![CDATA[Sci. Agropecu]]></source>
<year>2020</year>
<volume>11</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>67-73</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Velasco]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Castellanos]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Acevedo]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Aarland]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rhizospheric bacteria with potential benefits in agriculture]]></article-title>
<source><![CDATA[Terra Latinoam]]></source>
<year>2020</year>
<volume>38</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>343-55</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Connor]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Descifrando el contenido microbiano de bioinsumos comerciales para el diseño de un consorcio con potencial biofertilizante]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Villegas]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[Escalado del Proceso de Producción de un Biofertilizante a Base de un Consorcio Bacteriano]]></source>
<year>2021</year>
<page-range>1-82</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peréz]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sotolongo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Galuzzo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Optimización del medio de cultivo y las condiciones de fermentación para la producción de un biofertilizante a base de Pseudomonas fluorescens]]></source>
<year>2019</year>
<volume>19</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>127-38</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluación de la cinética de crecimiento de PGPR y su actividad antagonista hacia Meloidogyne incognita &#8216;in vitro]]></source>
<year>2018</year>
<page-range>43-4</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mazzoni-Putman]]></surname>
<given-names><![CDATA[S. M]]></given-names>
</name>
<name>
<surname><![CDATA[Brumos]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[J. M]]></given-names>
</name>
<name>
<surname><![CDATA[Stepanova]]></surname>
<given-names><![CDATA[A. N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Auxin interactions with other hormones in plant development]]></article-title>
<source><![CDATA[Cold Spring Harb. Perspect. Biol]]></source>
<year>2021</year>
<volume>13</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1-39</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calatrava]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Hom]]></surname>
<given-names><![CDATA[E. F. Y]]></given-names>
</name>
<name>
<surname><![CDATA[Guan]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
<name>
<surname><![CDATA[Llamas]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Galván]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic evidence for algal auxin production in Chlamydomonas and its role in algal-bacterial mutualism]]></article-title>
<source><![CDATA[iScience]]></source>
<year>2024</year>
<volume>27</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chavéz-Cruz]]></surname>
</name>
<name>
<surname><![CDATA[Herrera-Freire]]></surname>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nic 41 y su incidencia en el precio por caja de banano ecuato- riano, período 2019-2020]]></article-title>
<source><![CDATA[Pap. Knowl. . Towar. a Media Hist. Doc]]></source>
<year>2021</year>
<volume>3</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>6</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shaikh]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Yadav]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Markande]]></surname>
<given-names><![CDATA[A. R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Interactive potential of pseudomonas species with plants]]></article-title>
<source><![CDATA[J. Appl. Biol. Biotechnol]]></source>
<year>2020</year>
<volume>8</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>101-11</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pattnaik]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Mohapatra]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Plant Growth-Promoting Microbe Mediated Uptake of Essential Nutrients (Fe, P, K) for Crop Stress Management: Microbe-Soil-Plant Continuum]]></article-title>
<source><![CDATA[Front. Agron]]></source>
<year>2021</year>
<volume>3</volume>
<numero>August</numero>
<issue>August</issue>
<page-range>1-20</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
