{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T20:30:02Z","timestamp":1788899402968,"version":"build-2803163510"},"reference-count":60,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2024,8,14]],"date-time":"2024-08-14T00:00:00Z","timestamp":1723593600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["52070050"],"award-info":[{"award-number":["52070050"]}]},{"name":"National Natural Science Foundation of China","award":["2022GXNSFBA035550"],"award-info":[{"award-number":["2022GXNSFBA035550"]}]},{"name":"National Natural Science Foundation of China","award":["YCBZ2022116"],"award-info":[{"award-number":["YCBZ2022116"]}]},{"name":"Natural Science Foundation of Guangxi","award":["52070050"],"award-info":[{"award-number":["52070050"]}]},{"name":"Natural Science Foundation of Guangxi","award":["2022GXNSFBA035550"],"award-info":[{"award-number":["2022GXNSFBA035550"]}]},{"name":"Natural Science Foundation of Guangxi","award":["YCBZ2022116"],"award-info":[{"award-number":["YCBZ2022116"]}]},{"name":"Innovation Project of Guangxi Graduate Education","award":["52070050"],"award-info":[{"award-number":["52070050"]}]},{"name":"Innovation Project of Guangxi Graduate Education","award":["2022GXNSFBA035550"],"award-info":[{"award-number":["2022GXNSFBA035550"]}]},{"name":"Innovation Project of Guangxi Graduate Education","award":["YCBZ2022116"],"award-info":[{"award-number":["YCBZ2022116"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Toxics"],"abstract":"<jats:p>The presence of thiocyanate (SCN\u2212) in irrigation water has adverse effects on both plant growth and crop output. Hydrogen sulfide (H2S) is an important gaseous signaling molecule that can alleviate SCN\u2212 stress. Flavonoids are secondary compounds produced by plants and are ubiquitous in the plant kingdom. They play important roles in several physiological and biochemical processes. To investigate the effect of exogenous H2S on the growth of early rice plants under SCN\u2212 stress, we carried out a hydroponic experiment focusing on the interaction of exogenous H2S with flavonoids. In this study, a hydroponic experiment was performed to investigate the behavior of SCN\u2212 when subjected to varying effective doses (EC20: 24.0 mg\/L; EC50: 96.0 mg\/L; and EC75: 300.0 mg\/L). The findings indicated that the relative growth rate (RGR) of the plants treated with H2S + SCN\u2212 was greater than that of the plants treated with SCN\u2212 alone. Higher amounts of flavonoids were detected in the shoots than in the roots, with more variability in the shoots. The early warning level results showed that most of the flavonoids were present at levels I and II, while quercetin was present at level IV. Genetic expression variation factor (GEVF) analyses revealed an increase in the quantity of \u201cpromoter genes\u201d with increasing SCN\u2212 concentration in both rice tissues. Furthermore, administering external H2S while exposing rice tissues to SCN\u2212 resulted in a considerable decrease in the levels of reactive oxygen species. This study provides novel insights into the regulation of flavonoid levels in rice plants by exogenous H2S, facilitating enhanced resistance to SCN\u2212 stress and promoting sustainable agriculture.<\/jats:p>","DOI":"10.3390\/toxics12080591","type":"journal-article","created":{"date-parts":[[2024,8,14]],"date-time":"2024-08-14T05:23:27Z","timestamp":1723613007000},"page":"591","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["SOS! Hydrogen Sulfide Enhances the Flavonoid Early Warning System in Rice Plants to Cope with Thiocyanate Pollution"],"prefix":"10.3390","volume":"12","author":[{"given":"Peng","family":"Tian","sequence":"first","affiliation":[{"name":"College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu-Xi","family":"Feng","sequence":"additional","affiliation":[{"name":"Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China"},{"name":"Guangdong-Hong Kong Joint Laboratory for Carbon Neutrality, Jiangmen Laboratory of Carbon Science and Technology, Jiangmen 529199, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-0170-0193","authenticated-orcid":false,"given":"Yan-Hong","family":"Li","sequence":"additional","affiliation":[{"name":"College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China"},{"name":"Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China"},{"name":"Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin 541004, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,8,14]]},"reference":[{"key":"ref_1","first-page":"116423","article-title":"Thiocyanate-degrading microflora alleviates thiocyanate stress on tomato seedlings by improving plant and rhizosphere microenvironment","volume":"32","author":"Wang","year":"2023","journal-title":"Environ. 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