<?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>0120-100X</journal-id>
<journal-title><![CDATA[Revista ION]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. ion]]></abbrev-journal-title>
<issn>0120-100X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-100X2024000100099</article-id>
<article-id pub-id-type="doi">10.18273/revion.v37n1-2024007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Adaptación de consorcios microbianos nativos presentes en lodos de depuradora para acumular polihidroxialcanoatos (PHA's)]]></article-title>
<article-title xml:lang="en"><![CDATA[Adaptation of native microbial consortia, present in sewage sludge for polyhydroxyalkanoates (PHA's) accumulation]]></article-title>
<article-title xml:lang="pt"><![CDATA[Adaptação de consorcios microbianos nativos presentes em lodo de esgoto para acúmulo de polihidroxialcanoatos (PHA&#8217;s)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cortes Lasso]]></surname>
<given-names><![CDATA[Daina Yuliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras Roa]]></surname>
<given-names><![CDATA[Angie Valeria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho Kurmen]]></surname>
<given-names><![CDATA[Judith Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guzmán Luna]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Colegio Mayor de Cundinamarca Facultad de ciencias de la salud ]]></institution>
<addr-line><![CDATA[Bogotá D.C]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2024</year>
</pub-date>
<volume>37</volume>
<numero>1</numero>
<fpage>99</fpage>
<lpage>115</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-100X2024000100099&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-100X2024000100099&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-100X2024000100099&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los polihidroxialcanoatos (PHA's) son poliésteres naturales biodegradables y biocompatibles sintetizados por una amplia gama de bacterias como reserva de carbono y su composición química varía de acuerdo con el sustrato utilizado, la ruta metabólica usada por el microorganismo y la enzima PHA-sintasa. Teniendo en cuenta los Objetivos de Desarrollo Sostenible (ODS), la economía circular y la reutilización de agua residual, el propósito de esta investigación es describir, mediante la revisión de literatura científica, aspectos relacionados con la adaptación y selección de consorcios microbianos nativos que permiten obtener una alta acumulación de PHA's a partir de lodos de depuradoras de agua residual. La producción de estos polímeros está condicionada a la formulación del medio de cultivo para favorecer el incremento de la biomasa y posteriormente su acumulación. Para esto se han descrito estrategias de alimentación microbiana iniciando con un medio enriquecido en nutrientes, seguido de una fase de formación de productos en un medio limitado, proceso conocido como feast and famine, el cual es una estrategia utilizada en la actualidad. Los consorcios microbianos mixtos provenientes de depuradoras son promisorios para la producción de PHA's a partir de ácidos grasos volátiles utilizando la estrategia de feast and famine.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Polyhydroxyalkanoates (PHA's) are biodegradable and biocompatible natural polyesters synthesized by a wide range of bacteria as a carbon reserve and their chemical composition varies according to the substrate used, the metabolic route used by the microorganism and the PHA-synthase enzyme. Considering the Sustainable Development Goals (SDG), the circular economy and the reuse of wastewater, the purpose of this research is to describe, through the review of scientific literature, aspects related to the adaptation and selection of native microbial consortia that achieve a high accumulation of PHAs from wastewater treatment plant sludge. The production of these polymers is conditioned to the formulation of the culture medium to favor the increase in biomass and subsequently its accumulation. For this, microbial feeding strategies have been described, starting with a nutrient-enriched medium, followed by a product formation phase in a limited medium, a process known as feast and famine, which is a strategy currently used. Mixed microbial consortia from wastewater treatment plants are promising to produce PHAs from volatile fatty acids using the feast and famine strategy]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Os polihidroxialcanoatos (PHA's) são poliésteres naturais biodegradáveis e biocompatíveis sintetizados por uma ampla gama de bactérias como reserva de carbono e sua composição química varia de acordo com o substrato utilizado, a rota metabólica utilizada pelo microrganismo e a enzima PHA-sintase. Considerando os Objetivos de Desenvolvimento Sustentável (ODS), a economia circular e o reaproveitamento de águas residuais, o objetivo desta pesquisa é descrever, por meio da revisão da literatura científica, aspectos relacionados à adaptação e seleção de consórcios microbianos nativos que alcançam um elevado acúmulo de PHAs provenientes de lamas de estações de tratamento de águas residuais. A produção destes polímeros está condicionada à formulação do meio de cultura para favorecer o aumento da biomassa e posteriormente o seu acúmulo. Para isso, foram descritas estratégias de alimentação microbiana, começando com um meio enriquecido com nutrientes, seguido de uma fase de formação de produto em meio limitado, processo conhecido como festa e fome, que é uma estratégia utilizada atualmente. Consórcios microbianos mistos de estações de tratamento de águas residuais são promissores para produzir PHAs a partir de ácidos graxos voláteis usando a estratégia de festa e fome.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Lodos de aguas residuales domésticas]]></kwd>
<kwd lng="es"><![CDATA[PHA's]]></kwd>
<kwd lng="es"><![CDATA[Estrategias de alimentación]]></kwd>
<kwd lng="es"><![CDATA[Consorcios microbianos nativos]]></kwd>
<kwd lng="es"><![CDATA[Ácidos grasos volátiles]]></kwd>
<kwd lng="en"><![CDATA[Domestic sewage sludge]]></kwd>
<kwd lng="en"><![CDATA[PHA's]]></kwd>
<kwd lng="en"><![CDATA[Feeding strategies]]></kwd>
<kwd lng="en"><![CDATA[Native microbial consortia]]></kwd>
<kwd lng="en"><![CDATA[Volatile fatty acids]]></kwd>
<kwd lng="pt"><![CDATA[Lodo de esgoto doméstico]]></kwd>
<kwd lng="pt"><![CDATA[PHA's]]></kwd>
<kwd lng="pt"><![CDATA[Estratégias alimentares]]></kwd>
<kwd lng="pt"><![CDATA[Consórcios microbianos nativos]]></kwd>
<kwd lng="pt"><![CDATA[Ácidos graxos voláteis]]></kwd>
</kwd-group>
</article-meta>
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