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Bibliographic Details
Main Author:	Cristina Jasso-del Toro
Format:	Artículo científico
Language:	es
Published:	Universidad Nacional Autónoma de México 2016
Subjects:	Biología Primates Endogamia Mono aullador Microsatélites Heterocigocidad
Online Access:	https://www.redalyc.org/articulo.oa?id=42547314021 https://www.redalyc.org/journal/425/42547314021/ https://www.redalyc.org/journal/425/42547314021/html/ https://www.redalyc.org/journal/425/42547314021/42547314021.epub https://www.redalyc.org/journal/425/42547314021/movil
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Diversidad genética en grupos de monos aulladores de manto (Alouatta palliata mexicana) en la Reserva de la Biosfera Los Tuxtlas (Veracruz, México) Cristina Jasso-del Toro Laura Márquez-Valdelamar Ricardo Mondragón-Ceballos Biología Primates Endogamia Mono aullador Microsatélites Heterocigocidad El mono aullador de manto Alouatta palliata mexicana es una subespecie mexicana cuyas poblaciones se han reducido por la pérdida y fragmentación de su hábitat. Esta alteración del hábitat tiene un impacto negativo sobre su diversidad genética. En este estudio se estima la diversidad genética para A. palliata mexicana en 4 grupos en hábitat continuo y 3 en fragmentos de selva, localizados en la Reserva de la Biosfera Los Tuxtlas. Se extrajo ADN de muestras fecales y se analizaron 13 loci de microsatélites, de los cuales 8 resultaron polimórficos. Los resultados obtenidos sugieren una baja diversidad genética en este primate (Ho = 0.14, He =0.23, Na = 2.88), y una baja diferenciación genética (Fst = 0.043, p = 0.01) entre el hábitat continuo y fragmentado. No se encontraron diferencias significativas al comparar los parámetros de diversidad genética entre grupos, ni tipo de hábitat. El índice de endogamia fue positivo para cada uno de los grupos, y significativamente diferente de cero en el hábitat continuo y en los fragmentos de selva, lo cual indica una deficiencia de heterocigocidad en ambas condiciones ecológicas. Los resultados obtenidos se discuten en relación con su historia de colonización y de la fragmentación de la selva. 2016 artículo científico 1870-3453 https://www.redalyc.org/articulo.oa?id=42547314021 https://www.redalyc.org/journal/425/42547314021/ https://www.redalyc.org/journal/425/42547314021/html/ https://www.redalyc.org/journal/425/42547314021/42547314021.epub https://www.redalyc.org/journal/425/42547314021/movil es http://www.redalyc.org/revista.oa?id=425 Revista Mexicana de Biodiversidad application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Biodiversidad (México) Num.3 Vol.87

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* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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