<?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>0034-7744</journal-id>
<journal-title><![CDATA[Revista de Biología Tropical]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. biol. trop]]></abbrev-journal-title>
<issn>0034-7744</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-77442025000100018</article-id>
<article-id pub-id-type="doi">10.15517/rev.biol.trop..v73i1.60353</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effects of seedlac on soil bacterial diversity: An indication of environmental safety]]></article-title>
<article-title xml:lang="es"><![CDATA[Efectos de la resina de laca sobre la diversidad bacteriana del suelo: Una indicación de la seguridad ambiental]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kandasamy]]></surname>
<given-names><![CDATA[Thamilarasi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ansari]]></surname>
<given-names><![CDATA[Mohammed-F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ekbal]]></surname>
<given-names><![CDATA[Sajiya]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sharma]]></surname>
<given-names><![CDATA[Kewal-K.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,ICAR-National Institute of Secondary Agriculture Agri-bioresources Augmentation Division ]]></institution>
<addr-line><![CDATA[Ranchi Jharkhand]]></addr-line>
<country>India</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,ICAR-National Institute of Secondary Agriculture Downstream Agro-Processing Division ]]></institution>
<addr-line><![CDATA[Ranchi Jharkhand]]></addr-line>
<country>India</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<volume>73</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0034-77442025000100018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0034-77442025000100018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0034-77442025000100018&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Lac resin, the only natural resin of animal origin, is exclusively produced by the lac insect (Kerria spp.). It is non-toxic and considered biodegradable. However, the bacteria involved in biodegradation have not been explored. Moreover, the fate of the soil bacteria during biodegradation has not been studied so far.  Objective:  To explore the fate of soil bacteria due to the burial of seedlac in soil to ascertain whether seedlac is environmentally safe, and to explore the possibilities of identifying any bacterial flora involved in lac biodegradation.  Methods:  The study began in 2016 by burying seedlac samples (semi-refined lac resin product) in the field soil and pot soil under replicated conditions. The seedlac samples were drawn from the soil in 2019, and the soil adhering to the seedlac samples was used in further experiments. The bacterial diversity of these soils was documented by sequencing the V3-V4 region of 16S rRNA through the Illumina NGS platform.  Results:  No significant variations were obtained in the soil bacterial diversity between samples except for the marginal increase in the count of Actinobacteria, Myxococcales, Gemmatales, Gemmataceae, the WD2101-soil group in seedlac buried pot soil, and Proteobacteria and Acidobacteria in field soil. Most of these bacterial groups are known to degrade complex organic polymers.  Conclusions:  Since there are no changes in the soil bacterial diversity due to seedlac burial, it may be concluded that seedlac does not affect the soil microflora and is safe for the soil environment.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  La resina de laca, la única resina natural de origen animal, producida exclusivamente por el insecto laca (Kerria spp.) es no tóxica y se considera biodegradable. Sin embargo, hasta ahora, no se han explorado las bacterias que están involucradas en la biodegradación. Además, hasta la fecha no se ha estudiado el destino de las bacterias del suelo durante la biodegradación.  Objetivo:  Explorar el destino de las bacterias del suelo debido al entierro de resina de laca en el suelo para determinar si es seguro para el medio ambiente o no y explorar las posibilidades de identificar cualquier flora bacteriana involucrada en la biodegradación de laca.  Métodos:  El estudio se inició en 2016 enterrando muestras de resina de laca (producto de resina de laca semirrefinada) en el suelo a nivel de campo y en suelo de macetas, en réplicas. Las muestras de resina de laca se extrajeron del suelo en 2019 y el suelo adherido a las muestras de resina de laca se utilizó en experimentos posteriores. La diversidad bacteriana de estos suelos se documentó mediante la secuenciación de la región V3-V4 del ARNr 16S a través de la plataforma NGS Illumina.  Resultados:  No se obtuvo variación significativa en la diversidad bacteriana del suelo entre las muestras, excepto por el aumento marginal en el recuento de Actinobacterias, Myxococcales, Gemmatales, Gemmataceae, grupo WD2101-suelo en el suelo de maceta enterrada, y Proteobacterias y Acidobacterias en el suelo de campo. Se sabe que la mayoría de estos grupos bacterianos degradan polímeros orgánicos complejos.  Conclusiones:  Dado que no hay grandes cambios en la diversidad bacteriana del suelo debido al enterramiento de resina de laca, se puede concluir que la resina de laca no afecta la microflora y es segura para el suelo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[seedlac]]></kwd>
<kwd lng="en"><![CDATA[shellac]]></kwd>
<kwd lng="en"><![CDATA[microbiome]]></kwd>
<kwd lng="en"><![CDATA[lac insect]]></kwd>
<kwd lng="en"><![CDATA[soil bacteria]]></kwd>
<kwd lng="en"><![CDATA[lac resin.]]></kwd>
<kwd lng="es"><![CDATA[goma laca]]></kwd>
<kwd lng="es"><![CDATA[microbioma]]></kwd>
<kwd lng="es"><![CDATA[insecto laca]]></kwd>
<kwd lng="es"><![CDATA[bacterias del suelo]]></kwd>
<kwd lng="es"><![CDATA[resina de laca.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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