Publication:
Diversity of the Cabo Rojo solar salterns utilizing culture-dependent methods and description of two novel species

dc.contributor.advisor Montalvo-Rodríguez, Rafael R.
dc.contributor.author Sánchez-Nieves, Rubén L.
dc.contributor.college College of Arts and Sciences - Sciences en_US
dc.contributor.committee Papke, Robertson
dc.contributor.committee Rodríguez-Minguela, Carlos
dc.contributor.committee Santos-Flores, Carlos J.
dc.contributor.department Department of Biology en_US
dc.contributor.representative Torres García, Wandaliz
dc.date.accessioned 2018-06-06T16:37:27Z
dc.date.available 2018-06-06T16:37:27Z
dc.date.issued 2017
dc.description.abstract Archaea compose the third domain of life and are most notable for the ability of some to thrive in extreme environments, such environment is that of high salinity. This project focused on the culturable haloarchaeal diversity of the crystallizer ponds of Cabo Rojo, Puerto Rico. Different carbon sources (glycerol vs. pyruvate), water sources (artificial seawater vs crystallizer pond water) , and solidifying agents (agar vs. agarose) combinations were used in media for cultivation. Although no consistent significant difference for colony formation was observed in any combination of variables for the media, members of the genera Haloarcula, Halorubrum, Haloferax, and Halogeometricum were isolated. Phylogenetic analysis utilizing multilocus sequencing analysis was performed to establish relationships with related species. As a result, two novel species of the genera Haloarcula and Halorubrum, respectively, were isolated and subsequently described. The proposed species names are Haloarcula rubripromontorii and Halorubrum tropicale. en_US
dc.description.abstract Las arqueas componen el tercer dominio de la vida y se reconocen principalmente por su habilidad de ser exitosas bajo condiciones extremas. Los ambientes hipersalinos son clasificados como uno de estos lugares extremos. Este projecto se enfocó en la diversidad cultivable de los cristalizadores de Cabo Rojo, PR. Diferentes fuentes de carbono, fuentes (glycerol vs. piruvato) agua (agua salada artificial vs. agua de las salinas) y agentes solidificantes (agar vs. agarosa) fueron utilizadas para los medios de cultivos. Aunque no se encontró alguna ventaja consistente y significativa en conteo de colonias para alguna combinación de variables en el medio, miembros de los géneros Haloarcula, Halorubrim, Haloferax y Halogeometricum fueron aislados y utilizando la técnica de MLSA. Se establecieron relaciones filogenéticas con especies dentro de estos géneros. En fin, dos especies nuevas del género Haloarcula y Halorubrum fueron aisladas y descritas. Los nombres propuestos son Haloarcula rubripromontorii y Halorubrum tropicale. en_US
dc.description.graduationYear 2017 en_US
dc.description.sponsorship HHMI grant en_US
dc.identifier.uri https://hdl.handle.net/20.500.11801/730
dc.language.iso en en_US
dc.rights.holder (c) 2017 Rubén L. Sánchez Nieves en_US
dc.rights.license All rights reserved en_US
dc.subject Solar salterns en_US
dc.subject Cabo Rojo en_US
dc.subject Archaea en_US
dc.subject.lcsh Salt flats--Puerto Rico--Cabo Rojo en_US
dc.subject.lcsh Archaebacteria--Molecular aspects en_US
dc.subject.lcsh Halobacterium en_US
dc.subject.lcsh Halophilic microorganisms--Puerto Rico--Cabo Rojo en_US
dc.title Diversity of the Cabo Rojo solar salterns utilizing culture-dependent methods and description of two novel species en_US
dc.type Thesis en_US
dspace.entity.type Publication
thesis.degree.discipline Biology en_US
thesis.degree.level M.S. en_US
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