Methylglyoxal metabolism in seaweeds during desiccation

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dc.contributor.authorFierro, Camila
dc.contributor.authorLópez-Cristoffanini, Camilo
dc.contributor.authorLatorre, Nicolás
dc.contributor.authorRivas, Jorge
dc.contributor.authorContreras-Porcia, Loretto
dc.date.accessioned2016-06-21T14:31:38Z
dc.date.available2016-06-21T14:31:38Z
dc.date.issued2016
dc.descriptionIndexación: Scielo; Web of Science.es
dc.description.abstractIn primary producers, diverse stressors cause an over-production of methylglyoxal (MG), which is principally detoxified by glyoxalase I (GLO1) activity. A recent proteomic study found that GLO1 was up-regulated during natural desiccation in the red seaweed Pyropia orbicularis, which inhabits the upper intertidal rocky zone and compared to other species, is highly tolerant to air exposure. To better understand and determine differential responses to desiccation stress, this study evaluated MG concentration and GLO1 activity in two species with contrasted vertical distribution, P. orbicularis and Lessonia spicata (lower distribution). Results showed that P. orbicularis successfully scavenges MG via increased GLO1 activity during desiccation. In contrast, GLO1 activity in L. spicata did not increase during desiccation, resulting in MG overproduction. This study is the first to quantify MG and GLO1 levels in seaweeds during natural stress, and partly explain the mechanisms by which P. orbicularis is dominant in the upper rocky intertidal zone.en
dc.description.urihttp://ref.scielo.org/tp4snc
dc.identifier.citationRev. biol. mar. oceanogr. vol.51 no.1 Valparaíso Apr. 2016es
dc.identifier.issn0718-1957
dc.identifier.otherhttp://dx.doi.org/10.4067/S0718-19572016000100019
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/821
dc.language.isoenes
dc.publisherUniversidad de Valparaíso. Facultad de Ciencias del Mares
dc.subjectMethylglyoxales
dc.subjectGlyoxylase Ies
dc.subjectPyropiaes
dc.subjectLessoniaes
dc.subjectDesiccationes
dc.titleMethylglyoxal metabolism in seaweeds during desiccationes
dc.title.alternativeMetabolismo de metilglioxal en macroalgas durante desecaciónes
dc.typeArtículoes
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