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Listar por autor "García-Sánchez, María Jesús"
Mostrando ítems 1-20 de 20
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An evolutionary approach to detect the maximum potential adaptation of Microscystis aeruginosa to salinity
Melero Jiménez, Ignacio José; Martín-Clemente, Elena; García-Sánchez, María Jesús; Flores-Moya, Antonio; Bañares-España, Elena (2017-09-13)Backgrounds Salinity is increasing in many inland waters, on a world-wide scale, due to agricultural practices, droughts, or rise in sea level. In order to understand the effects of increased salinity on freshwater ... -
Aspectos fisiológicos y moleculares del transporte de cesio en las especies dulceacuícolas Chlamydomonas reinhardtii D. y Riccia fluitans L.
Linares-Rueda, Adolfo (Universidad de Málaga,Servicio de Publicaciones, 2004)En la presente tesis se ha abordado, por un lado, la caracterización de la incorporación y acumulación de Cs+ en C. reinhardtii (cepas silvestre y trk1) mediante técnicas radiométricas, atendiendo a la influencia del ... -
Characterization of the cyanobacterium Oscillatoria sp. isolated from extreme sulphureous water from Los Baños de la Hedionda (S Spain)
Martín-Clemente, Elena; Melero Jiménez, Ignacio José; Reul, Andreas; Hernández-López, Miguel; Salvo-Tierra, Angel Enrique; [et al.] (2017-09-15)Los Baños de la Hedionda (Málaga, S Spain) is a natural sulphureous spa (150-200 µM sulphide). Although this high sulphide levels can affect the photosynthetic process, there are numerous photosynthetic microorganisms ... -
Detection of the maximum resistance to the herbicides diuron and glyphosate, and evaluation of its phenotypic cost, in freshwater phytoplankton
Melero-Jiménez, Ignacio J; Bañares-España, Elena; Reul, Andreas; Flores-Moya, Antonio; García-Sánchez, María Jesús (Elsevier, 2021-11)One of the most important anthropogenic impacts on freshwater aquatic ecosystems close to intensive agriculture areas is the cumulative increase in herbicide concentrations. The threat is especially relevant for phytoplankton ... -
Disentangling mechanisms involved in the adaptation of the cyanobacterium Microcystis aeruginosa to the extreme sulphureous water from Los Baños de la Hedionda (S Spain)
Martín-Clemente, Elena; Melero Jiménez, Ignacio José; Reul, Andreas; Hernández-López, Miguel; Salvo-Tierra, Angel Enrique; [et al.] (2017-09-15)Backgrounds Los Baños de la Hedionda (Málaga, S Spain) is a natural sulphureous spa where sulphide can reach a concentration of 150-200 µM. Although this ion has biocide properties, including inhibition of the photosynthetic ... -
Effects of adaptation, chance, and history on the evolution of the toxic dinoflagellate Alexandrium minutum under selection of increased temperature and acidification
Flores-Moya, Antonio; Rouco, Mónica; García-Sánchez, María Jesús; García-Balboa, Camino; Gónzalez, Raquel; [et al.] (2018-11-21)The roles of adaptation, chance, and history on evolution of the toxic dinoflagellate Alexandrium minutum Halim, under selective conditions simulating global change, have been addressed. Two toxic strains (AL1V and AL2V), ... -
Environmental change rate and dispersion pattern modulate the dynamics of evolutionary rescue of the cyanobacterium Microcystis aeruginosa
Melero-Jiménez, Ignacio José; Martín-Clemente, Elena; Reul, Andreas; Bañares-España, Elena; García-Sánchez, María Jesús; [et al.] (2018-11-21)The rate of biodiversity loss is so high that some scientists affirm that we are being witnesses of the sixth mass extinction. In this situation, it is necessary to ask the following question: can the organisms be able to ... -
Estudios de evolución experimental en microorganismos: análisis de la tolerancia al sulfuro en las cianobacterias Microcystis aeruginosa y Oscillatoria sp., y de la transición unicelularidad-pluricelularidad en la levadura Kluyveromyces lactis
Martin Clemente, Elena (UMA Editorial, 2021-02-17)Se han aplicado diferentes enfoques de Evolución Experimental para arrojar luz sobre el proceso de adaptación a sulfuro en cianobacterias y los primeros pasos en la consecución de la pluricelularidad en levaduras. Para el ... -
Evaluación de la demografía y ecología de las poblaciones del alga intermareal Fucus guiryi en el litoral Ceutí: Fortalezas, oportunidades, debilidades y amenazas para su conservación
Sánchez de Pedro, Raquel; Melero Jiménez, Ignacio José; García-Sánchez, María Jesús; Flores-Moya, Antonio; Bañares-España, Elena (Sergio López Martínez y Marga L Rivas, 2021)Fucus guiryi es una de las principales algas pardas formadoras de hábitats intermareales en el Estrecho de Gibraltar. Durante las últimas décadas las comunidades de fucáceas han experimentado importantes regresiones en su ... -
How can seasonality modulate thermal sensitivity in early stages of fucoids?: The colder, the better
Sánchez de Pedro, Raquel; Fernández, Andrea N.; García-Sánchez, María Jesús; Flores-Moya, Antonio; Bañares-España, Elena (12th International Phycological Congress (IPC21), 2020-03-22)In the face of ocean global change, determining critical thermal thresholds for marine organisms is a key aspect to predict the survival and persistence of populations, particularly those from rear-edge areas. Seasonal ... -
The limit of sulphide adaptation in the sulphide-sensitive cyanobacterium "Microcystis aeruginosa"
Martín-Clemente, Elena; Melero-Jiménez, Ignacio; Bañares-España, Elena; Flores-Moya, Antonio; García-Sánchez, María Jesús (Universidad de Málaga/Sociedad Española de Microbiología, 2019)Although sulphide has played an important role in the evolution of photosynthesis, it produces a lethal effect on most photosynthetic organisms due to its redox activity on certain enzymes, inhibiting oxygenic photosynthetic ... -
The limit of the genetic adaptation to herbicides in freshwater phytoplankton and the adaptation photosynthetic cost
Melero-Jiménez, Ignacio José; Martín-Clemente, Elena; Bañares-España, Elena; Reul, Andreas; García-Sánchez, María Jesús; [et al.] (2019-07-31)Background: One of the most important anthropogenic impacts on freshwater aquatic ecosystems is the continuous increase of herbicide concentrations, which impacts on the structure of phytoplankton communities. Objectives: ... -
Mecanismos de incorporación y homeostasis citoplasmática de potasio y sodio en Halimione Portulacoides (L.) Aellen
Ait-Hammou, Karima (Servicio de Publicaciones y Divulgación Científica, 2016)Las características del transporte de potasio y sodio en plantas halófitas no son muy conocidas, ni tampoco el proceso de homeostasis citoplasmática de estos iones, aspectos fundamentales en la tolerancia a la salinidad. ... -
Mecanismos de transporte de nitrato, amonio y fosfato y homeostasis citoplasmática de sodio en Zostera marina L.
Rubio, Lourdes (Universidad de Málaga,Servicio de Publicaciones, 2004) -
Microclimate accounts for demographic, morphological and reproductive differentiation of two neighbour peripheral populations of the canopy-forming Fucus guiryi
Sánchez de Pedro, Raquel; Fernández Fernández, Andrea; García-Sánchez, María Jesús; Flores-Moya, Antonio; Bañares-España, Elena (European Journal of Phycology, 2019)Demography, reproductive ecology and thermal regime of Fucus guiryi from the Strait of Gibraltar was monitored between 2018-2019, at two populations ca. 7 km apart (Tarifa and Guadalmesí, South Spain). Due to its peripheral ... -
Na+-dependent NO3- uptake in leaf cells of the seagrass Posidonia oceanica (L.) Delile
García-Pérez, Delia; Rubio, Lourdes; García-Sánchez, María Jesús; Fernandez, José Antonio (2015-06-23)Posidonia oceanica (L.) Delile is an endemic Mediterranean seagrass of recognized ecological significance and, as other seagrasses, this species has secondarily adapted to live in the marine environment. In this alkaline ... -
Photosynthetic performance in cyanobacteria with increased sulphide tolerance: an analysis comparing wild-type and experimentally derived strains
Martín-Clemente, Elena; Melero Jiménez, Ignacio José; Bañares‑España, Elena; Flores‑Moya, Antonio; García-Sánchez, María Jesús (Springer, 2021-11-22)Sulphide is proposed to have influenced the evolution of primary stages of oxygenic photosynthesis in cyanobacteria. However, sulphide is toxic to most of the species of this phylum, except for some sulphide-tolerant species ... -
Temporal variability of Oscillatoria sp. in extreme environment: a sulfide-rich spring outflow
Reul, Andreas; Martín-Clemente, Elena; Melero Jiménez, Ignacio José; Hernández-López, Miguel; Toro-Gil, Francisco Javier; [et al.] (2017-09-13)Backgrounds The Hedionda Spa (Andalucía, southern Spain) is a sulfide-rich spring outflow, but despite the inhibitory effect of sulfide on photosynthesis, a phytoplankton community inhabits this extreme environment. Objectives ... -
The problem of living in the sea: the uptake of inorganic carbon and nutrients in Posidonia oceanica (L.) Delile
Rubio, Lourdes; García-Pérez, Delia; García-Sánchez, María Jesús; Fernandez, José Antonio (2015-06-22)The genus Posidonia exhibits a peculiar geographical distribution. It is composed by nine species, eight of which are distributed along the Australian coasts and only one, Posidonia oceanica (L.) Delile, is a Mediterranean ... -
Thermal resilience in embryos of Fucus guiryi from a marginal iteroparous southern population: May they cope with ongoing global warming?
Sánchez de Pedro, Raquel; Fernández Fernández, Andrea; García-Sánchez, María Jesús; Flores-Moya, Antonio; Bañares-España, Elena (European Journal of Phycology, 2019)Canopy-forming macroalgae are experiencing severe biodiversity loss, species shifts and population decline in the face of global change. Single- and few-celled stages of their life-history are a key pole for recruitment ...