{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,22]],"date-time":"2025-11-22T05:28:17Z","timestamp":1763789297925,"version":"3.45.0"},"reference-count":93,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T00:00:00Z","timestamp":1763596800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100005046","name":"Natural Science Foundation of Heilongjiang Province of China","doi-asserted-by":"crossref","award":["LH2023C111"],"award-info":[{"award-number":["LH2023C111"]}],"id":[{"id":"10.13039\/501100005046","id-type":"DOI","asserted-by":"crossref"}]},{"name":"the Young Scholars Program of Northeast Agricultural University","award":["54970212"],"award-info":[{"award-number":["54970212"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Plants"],"abstract":"<jats:p>Saline\u2013alkaline stress is a critical environmental issue that limits plant growth and crop production. With the expansion of salinized land, investigating the response mechanisms of plants to salt\u2013alkali stress is crucial. Integrated ionomic and metabolomic analyses were employed to investigate the response mechanisms of Kochia scoparia in our studies. Compared with the halophyte Suaeda salsa, K. scoparia exhibits distinct ionic and metabolic strategies for coping with saline\u2013alkaline stress. Ca, Mg, and B were significantly accumulated in K. scoparia to alleviate ion toxicity and oxidative damage and to maintain cellular stability at the ionic element level. Sugars, alcohols, esters, and phenolic compounds were found to play key roles in resisting saline\u2013alkaline stress at the metabolic level. Among these, sugars, alcohols, and esters were mainly involved in mitigating salt stress. Targeted metabolomic analysis indicated that certain phenolic compounds\u2014namely C6C1-compounds (p-hydroxybenzoic, gallic, vanillic, salicylic, and syringic acids), C6C3 (caffeic acid, p-coumaric, p-hydroxycinnamic, cinnamic, and ferulic acids), and C6C3C6 (naringenin, quercetin, genistein, petunidin, and luteolin)\u2014were significantly accumulated in K. scoparia. These compounds help mitigate saline\u2013alkaline stress by enhancing reactive oxygen species (ROS) scavenging, modulating signaling pathways, reprogramming the osmoprotectant metabolism, and remodeling cell wall defense. This study elucidates the advantages and mechanistic of K. scoparia\u2019s tolerance to saline\u2013alkaline stress, providing a theoretical foundation for the repair and utilization of saline\u2013alkaline soils.<\/jats:p>","DOI":"10.3390\/plants14223540","type":"journal-article","created":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T10:30:59Z","timestamp":1763634659000},"page":"3540","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Ionic and Metabolic Response Mechanisms of Kochia scoparia in Response to Saline\u2013Alkaline Stress"],"prefix":"10.3390","volume":"14","author":[{"given":"Xueyan","family":"Lu","sequence":"first","affiliation":[{"name":"Heilongjiang Green Food Science Research Institute, Northeast Agricultural University, Harbin 150030, China"},{"name":"School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hui","family":"Fang","sequence":"additional","affiliation":[{"name":"School of Life Sciences, Nantong University, Nantong 226010, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qi","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Life Sciences, Nantong University, Nantong 226010, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8299-3848","authenticated-orcid":false,"given":"Ying","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,11,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"e016","DOI":"10.48130\/grares-0024-0014","article-title":"Enhancing salt stress tolerance of forage sorghum by foliar application of ortho-silicic acid","volume":"4","author":"Pankaj","year":"2024","journal-title":"Grass Res."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1800","DOI":"10.1111\/tpj.16885","article-title":"Metabolic adaptations leading to an enhanced lignification in wheat roots under salinity stress","volume":"119","author":"Dissanayake","year":"2024","journal-title":"Plant J."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"2196","DOI":"10.1016\/j.jia.2024.02.009","article-title":"Genetic analysis and candidate gene identification of salt tolerance-related traits in maize","volume":"23","author":"Fang","year":"2024","journal-title":"J. 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