<?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>0379-3982</journal-id>
<journal-title><![CDATA[Revista Tecnología en Marcha]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnología en Marcha]]></abbrev-journal-title>
<issn>0379-3982</issn>
<publisher>
<publisher-name><![CDATA[Instituto Tecnológico de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0379-39822024000200060</article-id>
<article-id pub-id-type="doi">10.18845/tm.v37i2.6493</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Polihidroxialcanoatos (PHAs) en bacterias como alternativa ante el aumento de la contaminación ambiental: análisis metabólico y avances en la actualidad]]></article-title>
<article-title xml:lang=""><![CDATA[Polyhydroxyalkanoates (PHAs) in bacteria as an alternative to environmental pollution increase: metabolic analysis and current advances]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ceciliano-Castro]]></surname>
<given-names><![CDATA[Steven]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Morera]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Delgado]]></surname>
<given-names><![CDATA[Roselind]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva-Ilama]]></surname>
<given-names><![CDATA[Melany]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mora-Rodríguez]]></surname>
<given-names><![CDATA[Dayana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<volume>37</volume>
<numero>2</numero>
<fpage>60</fpage>
<lpage>69</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0379-39822024000200060&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0379-39822024000200060&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0379-39822024000200060&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los polihidroxialcanoatos (PHA), son plásticos biodegradables sintetizados por una gran variedad de microorganismos y se identifican por compartir características muy similares con los plásticos de origen petroquímico. Estos biopolímeros pueden ser aprovechados para reemplazar materiales de plástico, los mismos que actualmente representan un gran problema de contaminación ambiental al ser poco degradables. Los estudios más recientes, se enfocan en la búsqueda de estrategias de extracción de PHA, empleando la biorremediación en plásticos petroquímicos, combustibles, y en tratamiento de aguas que buscan reducir el impacto de la contaminación ambiental. Todo esto se lleva a cabo mediante reacciones químicas, que las bacterias realizan con las fuentes de carbono, generando PHA mientras se eliminan los desechos contaminantes. La biodegradabilidad es la principal ventaja de estos materiales sintetizados por medio de microrganismos, en comparación con los plásticos convencionales que no poseen esta propiedad. El objetivo de esta revisión es evidenciar la producción de polihidroxialcanoatos (PHA), en bacterias como alternativa ante el aumento de la contaminación ambiental.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Polyhydroxyalkanoates (PHA) are biodegradable plastics synthesized by a wide variety of microorganisms and are identified by sharing very similar characteristics with petrochemical plastics. These biopolymers can be used to replace plastic materials, the same ones that currently represent a major environmental pollution problem as they are poorly degradable. The most recent studies focus on the search for PHA extraction strategies, using bioremediation in petrochemical plastics, fuels, and in water treatment that seek to reduce the impact of environmental pollution. All this is carried out through chemical reactions that bacteria carry out with carbon sources, generating PHA while contaminating waste is eliminated. The main advantage of these compared to petroleum-derived plastics is that being produced by microorganisms. The objective of this review is to show the production of polyhydroxyalkanoates in bacteria as an alternative to the increase in environmental pollution.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Polihidroxialcanoatos]]></kwd>
<kwd lng="es"><![CDATA[plásticos]]></kwd>
<kwd lng="es"><![CDATA[microorganismos]]></kwd>
<kwd lng="es"><![CDATA[extracción]]></kwd>
<kwd lng="es"><![CDATA[biorremediación]]></kwd>
<kwd lng="en"><![CDATA[Polyhydroxyalkanoates]]></kwd>
<kwd lng="en"><![CDATA[plastics]]></kwd>
<kwd lng="en"><![CDATA[microorganisms]]></kwd>
<kwd lng="en"><![CDATA[extraction]]></kwd>
<kwd lng="en"><![CDATA[bioremediation]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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