{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T06:07:50Z","timestamp":1789020470586,"version":"build-2803163510"},"reference-count":127,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2023,3,9]],"date-time":"2023-03-09T00:00:00Z","timestamp":1678320000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Research Group FBCMP","award":["GR21112"],"award-info":[{"award-number":["GR21112"]}]},{"name":"Research Group FBCMP","award":["IB18074"],"award-info":[{"award-number":["IB18074"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Antioxidants"],"abstract":"<jats:p>Dittrichia plants were exposed to thallium (Tl) stress (10, 50, and 100 \u00b5M) for 7 days. The Tl toxicity altered the absorption and accumulation of other nutrients. In both the roots and the leaves, there was a decline in K, Mg, and Fe content, but an increase in Ca, Mn, and Zn. Chlorophylls decreased, as did the photosynthetic efficiency, while carotenoids increased. Oxidative stress in the roots was reflected in increased lipid peroxidation. There was more production of superoxide (O2.\u2212), hydrogen peroxide (H2O2), and nitric oxide (NO) in the roots than in the leaves, with increases in both organs in response to Tl toxicity, except for O2.\u2212 production in the roots, which fluctuated. There was increased hydrogen sulfide (H2S) production, especially in the leaves. Superoxide dismutase (SOD), ascorbate peroxidase (APX), dehydroascorbate reductase (DHAR), monodehydroascorbate reductase (MDHAR), and glutathione reductase (GR) showed increased activities, except for APX and MDHAR in the roots and GR in the leaves. The components of the ascorbate\u2013glutathione cycle were affected. Thus, ascorbate (AsA) increased, while dehydroascorbate (DHA), reduced glutathione (GSH), and oxidized glutathione (GSSG) decreased, except for in the roots at 100 \u00b5M Tl, which showed increased GSH. These Tl toxicity-induced alterations modify the AsA\/DHA and GSH\/GSSG redox status. The NO and H2S interaction may act by activating the antioxidant system. The effects of Tl could be related to its strong affinity for binding with -SH groups, thus altering the functionality of proteins and the cellular redox state.<\/jats:p>","DOI":"10.3390\/antiox12030678","type":"journal-article","created":{"date-parts":[[2023,3,10]],"date-time":"2023-03-10T03:02:08Z","timestamp":1678417328000},"page":"678","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Effect of Thallium(I) on Growth, Nutrient Absorption, Photosynthetic Pigments, and Antioxidant Response of Dittrichia Plants"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6467-0359","authenticated-orcid":false,"given":"Francisco","family":"Espinosa","sequence":"first","affiliation":[{"name":"Research Group FBCMP(BBB015), Faculty of Sciences, Campus Avenida de Elvas s\/n, University of Extremadura, 06006 Badajoz, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alfonso","family":"Ortega","sequence":"additional","affiliation":[{"name":"Research Group FBCMP(BBB015), Faculty of Sciences, Campus Avenida de Elvas s\/n, University of Extremadura, 06006 Badajoz, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francisco L.","family":"Espinosa-Vellarino","sequence":"additional","affiliation":[{"name":"Research Group FBCMP(BBB015), Faculty of Sciences, Campus Avenida de Elvas s\/n, University of Extremadura, 06006 Badajoz, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2367-0985","authenticated-orcid":false,"given":"Inmaculada","family":"Garrido","sequence":"additional","affiliation":[{"name":"Research Group FBCMP(BBB015), Faculty of Sciences, Campus Avenida de Elvas s\/n, University of Extremadura, 06006 Badajoz, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,3,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"604","DOI":"10.1016\/j.plantsci.2011.04.005","article-title":"Nitric oxide imbalance provokes a nitrosative response in plants under abiotic stress","volume":"181","author":"Corpas","year":"2011","journal-title":"Plant Sci."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"2","DOI":"10.1104\/pp.110.167569","article-title":"Ascorbate and glutathione: The heart of the redox hub","volume":"155","author":"Foyer","year":"2011","journal-title":"Plant Physiol."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"53","DOI":"10.3389\/fenvs.2014.00053","article-title":"Reactive oxygen species (ROS) and response of antioxidants as ROS-scavengers during environmental stress in plants","volume":"2","author":"Das","year":"2014","journal-title":"Front. 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