{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T13:25:34Z","timestamp":1787232334588,"version":"build-2736575974"},"reference-count":125,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T00:00:00Z","timestamp":1787184000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Plant Sci."],"abstract":"<jats:p>Nitric oxide (NO) has emerged as a versatile signaling molecule that regulates plant development, stress responses, and redox homeostasis through interactions with reactive oxygen species (ROS), phytohormones, and other bioactive compounds. In horticulture, postharvest losses remain a major challenge due to ongoing metabolic activity associated with ripening and senescence. Increasing evidence identifies NO as a key regulator capable of mitigating these processes and extending shelf life. This Mini Review provides a concept-driven synthesis positioning NO as a central integrator of plant signaling networks. We highlight its role as a redox\u2013hormonal hub coordinating interactions with ROS and phytohormones. Special emphasis is placed on the dual role of NO as both a signaling molecule and a modulator of nitro-oxidative stress during plant growth, fruit ripening, and postharvest physiology. We further discuss key molecular mechanisms underlying postharvest responses, together with current controversies related to NO biosynthesis, concentration-dependent effects, and practical application strategies.<\/jats:p>","DOI":"10.3389\/fpls.2026.1924602","type":"journal-article","created":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T12:37:03Z","timestamp":1787229423000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Nitric oxide\u2013centred signaling networks in plants: from growth to postharvest"],"prefix":"10.3389","volume":"17","author":[{"given":"Michaela","family":"Sedl\u00e1\u0159ov\u00e1","sequence":"first","affiliation":[{"name":"Department of Botany, Faculty of Science, Palack\u00fd University in Olomouc","place":["Olomouc, Czechia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tereza","family":"Jedelsk\u00e1","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, Faculty of Science, Palack\u00fd University in Olomouc","place":["Olomouc, Czechia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ale\u0161","family":"Lebeda","sequence":"additional","affiliation":[{"name":"Department of Botany, Faculty of Science, Palack\u00fd University in Olomouc","place":["Olomouc, Czechia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marek","family":"Pet\u0159ivalsk\u00fd","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, Faculty of Science, Palack\u00fd University in Olomouc","place":["Olomouc, Czechia"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,8,20]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.3390\/ijms241411637","article-title":"Multiple ways of nitric oxide production in plants and its functional activity under abiotic stress conditions","volume":"24","author":"Allagulova","year":"2023","journal-title":"Int. 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