FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2801781531> ?p ?o ?g. }

• W2801781531 endingPage "971" @default.
• W2801781531 startingPage "959" @default.
• W2801781531 abstract "Freshwater ecosystems are under threatening anthropogenic pressures worldwide, namely by metals. Diatoms are used as water quality indicators, but the influence of micronutrients such as Zn and its impacts are poorly understood. Thus, our study aimed to elucidate the tolerance level, the cellular targets and the responses to counteract Zn toxicity of freshwater diatoms by exposing Tabellaria flocculosa, isolated from a Zn contaminated stream. Biochemical, physiological and metabolomic approaches were used. It was demonstrated that Zn is toxic to T. flocculosa at concentrations occurring in contaminated environments. At low stress (30 μg Zn/L) few alterations in the metabolome were observed, but the enzymatic (SOD, CAT) and molecular (GSH, GSSG) antioxidant systems were induced, protecting cells from oxidative stress. At moderate stress (500 μg Zn/L) the main changes occurred in the metabolome (increases in fatty acids, amino acids, terpenoids, glycerol and phosphate, decreases in sucrose and lumichrome) with a moderate increase in cell damage (LPO and PC). The concerted action of all these mechanisms resulted in a non-significant decrease of growth, explaining the survival of this T. flocculosa strain in an environment with this Zn concentration. At the highest stress level (1000 μg Zn/L) the metabolome was identical to 500 μg Zn/L, and the induction of antioxidant systems and extracellular ion chelation (exopolysaccharides, frustulins) were the main responses to the increase of Zn toxicity. However, these mechanisms were unable to effectively abrogate cellular damage and growth reduction was observed. Moreover, the decrease in sucrose and especially in lumichrome should be tested as new specific markers of Zn toxicity. The information obtained in this study can assist in environmental risk assessment policies, support the prediction of diatom behaviour in highly impacted Zn environments, such as mining scenarios, and may help develop new indices, which include alterations induced by metals." @default.
• W2801781531 created "2018-05-17" @default.
• W2801781531 creator A5040920613 @default.
• W2801781531 creator A5049385786 @default.
• W2801781531 creator A5072449928 @default.
• W2801781531 creator A5077228876 @default.
• W2801781531 date "2018-07-01" @default.
• W2801781531 modified "2023-10-16" @default.
• W2801781531 title "A freshwater diatom challenged by Zn: Biochemical, physiological and metabolomic responses of Tabellaria flocculosa(Roth) Kützing" @default.
• W2801781531 cites W1536736789 @default.
• W2801781531 cites W1536923222 @default.
• W2801781531 cites W153702717 @default.
• W2801781531 cites W1590457525 @default.
• W2801781531 cites W1608424126 @default.
• W2801781531 cites W1649174145 @default.
• W2801781531 cites W1863625847 @default.
• W2801781531 cites W1956183645 @default.
• W2801781531 cites W1968834637 @default.
• W2801781531 cites W1969591213 @default.
• W2801781531 cites W1971652724 @default.
• W2801781531 cites W1976214169 @default.
• W2801781531 cites W1978089921 @default.
• W2801781531 cites W1978479345 @default.
• W2801781531 cites W1979870994 @default.
• W2801781531 cites W1980422162 @default.
• W2801781531 cites W1981673913 @default.
• W2801781531 cites W1985421585 @default.
• W2801781531 cites W1986376122 @default.
• W2801781531 cites W1986757575 @default.
• W2801781531 cites W1992340222 @default.
• W2801781531 cites W1992900987 @default.
• W2801781531 cites W1992928016 @default.
• W2801781531 cites W1995142620 @default.
• W2801781531 cites W2001966864 @default.
• W2801781531 cites W2007679649 @default.
• W2801781531 cites W2008904154 @default.
• W2801781531 cites W2009280953 @default.
• W2801781531 cites W2010386616 @default.
• W2801781531 cites W2012696260 @default.
• W2801781531 cites W2016642585 @default.
• W2801781531 cites W2020026716 @default.
• W2801781531 cites W2020521473 @default.
• W2801781531 cites W2022128483 @default.
• W2801781531 cites W2023492322 @default.
• W2801781531 cites W2025560891 @default.
• W2801781531 cites W2028994309 @default.
• W2801781531 cites W2032041230 @default.
• W2801781531 cites W2043302569 @default.
• W2801781531 cites W2044067342 @default.
• W2801781531 cites W2048208757 @default.
• W2801781531 cites W2057536271 @default.
• W2801781531 cites W2065249915 @default.
• W2801781531 cites W2075935267 @default.
• W2801781531 cites W2077805719 @default.
• W2801781531 cites W2079353857 @default.
• W2801781531 cites W2093513014 @default.
• W2801781531 cites W2101422765 @default.
• W2801781531 cites W2101551644 @default.
• W2801781531 cites W2104130360 @default.
• W2801781531 cites W2110088915 @default.
• W2801781531 cites W2110946193 @default.
• W2801781531 cites W2114742976 @default.
• W2801781531 cites W2117555911 @default.
• W2801781531 cites W2122244604 @default.
• W2801781531 cites W2123856841 @default.
• W2801781531 cites W2131036864 @default.
• W2801781531 cites W2131170038 @default.
• W2801781531 cites W2134745492 @default.
• W2801781531 cites W2156140334 @default.
• W2801781531 cites W2160246810 @default.
• W2801781531 cites W2165278469 @default.
• W2801781531 cites W2168778829 @default.
• W2801781531 cites W2201283928 @default.
• W2801781531 cites W226124516 @default.
• W2801781531 cites W2294062060 @default.
• W2801781531 cites W2301371232 @default.
• W2801781531 cites W2316006820 @default.
• W2801781531 cites W2337848574 @default.
• W2801781531 cites W2342788067 @default.
• W2801781531 cites W2343803234 @default.
• W2801781531 cites W2417986684 @default.
• W2801781531 cites W2584808402 @default.
• W2801781531 cites W2592495667 @default.
• W2801781531 cites W2751426035 @default.
• W2801781531 cites W2757510461 @default.
• W2801781531 cites W2767960091 @default.
• W2801781531 cites W2784198674 @default.
• W2801781531 cites W2911902282 @default.
• W2801781531 cites W855506039 @default.
• W2801781531 doi "https://doi.org/10.1016/j.envpol.2018.01.111" @default.
• W2801781531 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/29715753" @default.
• W2801781531 hasPublicationYear "2018" @default.
• W2801781531 type Work @default.
• W2801781531 sameAs 2801781531 @default.
• W2801781531 citedByCount "13" @default.
• W2801781531 countsByYear W28017815312019 @default.
• W2801781531 countsByYear W28017815312020 @default.
• W2801781531 countsByYear W28017815312021 @default.

• next