<?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>0304-3584</journal-id>
<journal-title><![CDATA[Actualidades Biológicas]]></journal-title>
<abbrev-journal-title><![CDATA[Actu Biol]]></abbrev-journal-title>
<issn>0304-3584</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología, Universidad de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0304-35842019000100001</article-id>
<article-id pub-id-type="doi">10.17533/udea.acbi.v41n110a01</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Terpsinoë musica Ehrenberg (Bacillariophyceae), primer registro del género para Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Terpsinoë musica Ehrenberg (Bacillariophyceae), first record of the genus for Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[MedinaTombé]]></surname>
<given-names><![CDATA[Mario F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vouilloud]]></surname>
<given-names><![CDATA[Amelia A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sala]]></surname>
<given-names><![CDATA[Silvia E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de La Plata Facultad de Ciencias Naturales y Museo ]]></institution>
<addr-line><![CDATA[La Plata ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>41</volume>
<numero>110</numero>
<fpage>1</fpage>
<lpage>20</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0304-35842019000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0304-35842019000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0304-35842019000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este trabajo se presenta el primer registro de la especie Terpsinoë musica y la primera cita del género para Colombia. Los especímenes de T. musica se estudiaron mediante microscopía óptica y electrónica de barrido, se realizó la descripción morfológica y se tomaron los datos morfométricos. Esta alga fue encontrada en muestras de perifiton recolectadas en sistemas lóticos de las regiones biogeográficas de la Orinoquía y el Caribe, asociada a Eichhornia crassipes y Lenna minor, en cuerpos de agua levemente alcalinos, con conductividades eléctricas moderadas y bajos valores de caudal. Se realizó una comparación con otras poblaciones de la especie registradas en América, Europa y África, mencionando aspectos relacionados con sus requerimientos ecológicos y distribución geográfica. El material tipo de la especie no ha sido analizado con técnicas modernas de estudio. Teniendo en cuenta la gran variabilidad morfológica entre distintas poblaciones de la especie y la diversidad de ambientes en los que se registró, se plantea si estamos frente a un taxón con amplia variabilidad morfológica y gran distribución geográfica o, por el contrario, si se trata de un complejo de especies con requerimientos ecológicos y distribuciones más restringidas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This is the first record of the species Terpsinoë musica and the first citation of the genus for Colombia. The specimens of T. musica were studied using optic and scanning electron microscopy. The morphological description was made and morphometric data were taken. This alga was found in periphyton samples which were collected in lotic ecosystems in the biogeographic regions Orinoquia and Caribbean, associated with Eichhornia crassipes and Lenna minor in alkaline ecosystems with moderate electrical conductivities and low values of water level. A comparison with other populations of the species registered in America, Europe and Africa was made, mentioning aspects related to their ecological requirements and geographic distribution. The type material of the species has not been analyzed using modern techniques. It is suggested we are facing a taxon with high morphological variation and wide geographical distribution, taking on count the huge morphological variation between different populations of the species and the diversity of environments where it was registered, or on the contrary, it is a complex of species with more limited ecological requirements and distribution.]]></p></abstract>
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<kwd lng="es"><![CDATA[diatomea]]></kwd>
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<kwd lng="en"><![CDATA[diatom]]></kwd>
<kwd lng="en"><![CDATA[periphyton]]></kwd>
<kwd lng="en"><![CDATA[tropical]]></kwd>
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