Výsledky vyhledávání - "Marco Franzitta"

Akademický článek

LipidTOX: A fatty acid-based index efficient for ecotoxicological studies with marine model diatoms exposed to legacy and emerging contaminants

Autor: Bernardo Duarte, Eduardo Feijão, Marco Franzitta, Irina A. Duarte, Ricardo Cruz de Carvalho, Maria Teresa Cabrita, João Carlos Marques, Isabel Caçador, Vanessa Fonseca, Ana Rita Matos

Publikováno v: Ecological Indicators, Vol 139, Iss , Pp 108885- (2022)

Contaminants, when present above certain thresholds, can induce physiological constraints to organisms, namely diatoms, a model group representative of marine phytoplankton, triggering feedback mechanisms, such as changes in cell’s fatty acid profi

Externí odkaz: https://doaj.org/article/4f170d035fc44a45a44e3bfbc6936ba7

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Akademický článek

Unlocking Kautsky’s dark box: Development of an optical toxicity classification tool (OPTOX index) with marine diatoms exposed to emerging contaminants

Autor: Bernardo Duarte, Eduardo Feijão, Ricardo Cruz de Carvalho, Marco Franzitta, João Carlos Marques, Isabel Caçador, Maria Teresa Cabrita, Vanessa F. Fonseca

Publikováno v: Ecological Indicators, Vol 131, Iss , Pp 108238- (2021)

Chlorophyll a induction curves, or Kautsky curves, have been extensively used to study physiological stress conditions in phototrophic organisms, with the analysis of several derived parameters. Nevertheless, these variables use only about 10 % of th

Externí odkaz: https://doaj.org/article/6a4891f2fb904475b2997767c492d5a6

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Akademický článek

Effects of Hypoxia on Coral Photobiology and Oxidative Stress

Autor: Mark Deleja, José Ricardo Paula, Tiago Repolho, Marco Franzitta, Miguel Baptista, Vanessa Lopes, Silvia Simão, Vanessa F. Fonseca, Bernardo Duarte, Rui Rosa

Publikováno v: Biology, Vol 11, Iss 7, p 1068 (2022)

Global ocean oxygen (O2) content is decreasing as climate change drives declines in oxygen solubility, strengthened stratification of seawater masses, increased biological oxygen consumption and coastal eutrophication. Studies on the biological effec

Externí odkaz: https://doaj.org/article/fb3fa51ab7e54401b07c6477ba7dcf07

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Akademický článek

Toxicity Going Nano: Ionic Versus Engineered Cu Nanoparticles Impacts on the Physiological Fitness of the Model Diatom Phaeodactylum tricornutum

Autor: Marco Franzitta, Eduardo Feijão, Maria Teresa Cabrita, Carla Gameiro, Ana Rita Matos, João Carlos Marques, Johannes W. Goessling, Patrick Reis-Santos, Vanessa F. Fonseca, Carlo Pretti, Isabel Caçador, Bernardo Duarte

Publikováno v: Frontiers in Marine Science, Vol 7 (2020)

Increasing input of Metal Engineered Nano Particles (MeENPs) in marine ecosystems has raised concerns about their potential toxicity on phytoplankton. Given the lack of knowledge on MeENPs impact on these important primary producers, the effects of C

Externí odkaz: https://doaj.org/article/480ca5e0097647df874aef4acff6487c

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Marine heat waves alter gene expression of key enzymes of membrane and storage lipids metabolism in Phaeodactylum tricornutum

Autor: Isabel Caçador, Ana Rita Matos, Bernardo Duarte, Eduardo Feijão, Carla Gameiro, Marco Franzitta, Maria Teresa Cabrita

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

Across the globe, heat waves are getting more intense and frequent. Diatoms are a major group of microalgae at the base of the marine food webs and an important source of long chain polyunsaturated fatty acids that are transferred through the food we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b670480450e12a9f5ac1da597affc603
https://doi.org/10.1016/j.plaphy.2020.09.022

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Cephalopod fauna of the Pacific Southern Ocean using Antarctic toothfish (Dissostichus mawsoni) as biological samplers and fisheries bycatch specimens

Autor: Marco Franzitta, Bernardo Duarte, Andreia Figueiredo, Yuki Fukuda, Darren W. Stevens, José P. Queirós, Jan M. Strugnell, Rui Rosa, José C. Xavier, Yves Cherel, Filipa Monteiro, Jaime A. Ramos

Publikováno v: Deep Sea Research Part I: Oceanographic Research Papers
Deep Sea Research Part I: Oceanographic Research Papers, Elsevier, In press, pp.103571. ⟨10.1016/j.dsr.2021.103571⟩

Cephalopods are an important component of Southern Ocean food webs but studies analysing their habitat and trophic ecology are scarce. Here, we use the Antarctic toothfish Dissostichus mawsoni as a biological sampler of Southern Ocean’s cephalopods

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1361572247e67f2bd00a0378a6e594ef
https://hdl.handle.net/10400.5/23566

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Unlocking Kautsky’s dark box: Development of an optical toxicity classification tool (OPTOX index) with marine diatoms exposed to emerging contaminants

Autor: Vanessa F. Fonseca, Maria Teresa Cabrita, Bernardo Duarte, Eduardo Feijão, Marco Franzitta, Maria Isabel Violante Caçador, Ricardo Cruz de Carvalho, João Carlos Marques

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Ecological Indicators, Vol 131, Iss, Pp 108238-(2021)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4378dcbc1b4c4d7b456cc15932889af

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Dwarf eelgrass (Zostera noltii) fatty acid remodelling induced by climate change

Autor: José Realino de Paula, Isabel Caçador, Tiago Repolho, Ana Rita Matos, Bernardo Duarte, Rui Rosa, Marco Franzitta

Publikováno v: Estuarine, Coastal and Shelf Science. 261:107546

Dwarf eelgrass Zostera noltii meadows are found in estuarine coastal areas across the north-eastern Atlantic, where they provide key ecosystem services, including nursery grounds, sediment stabilization, nutrient cycling and carbon sequestration. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e56586a6c8fa3309773bb05568e953e
https://doi.org/10.1016/j.ecss.2021.107546

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Heat wave impacts on the model diatom Phaeodactylum tricornutum: Searching for photochemical and fatty acid biomarkers of thermal stress

Autor: Maria Teresa Cabrita, Ana Rita Matos, Bernardo Duarte, Carla Gameiro, Isabel Caçador, Marco Franzitta, Eduardo Feijão

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

Global warming is increasing the frequency and intensity of extreme thermal events, with inevitable consequences for marine ecosystems and organisms. Phytoplankton is at the base of marine food webs and diatoms are major contributors to global primar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::334f6d347ae3572b36d29a21add22e80

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