{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T00:54:16Z","timestamp":1790902456929,"version":"4.1.0"},"reference-count":47,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"vor","delay-in-days":30,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100003086","name":"Eusko Jaurlaritza","doi-asserted-by":"publisher","award":["IT1648\u201022"],"award-info":[{"award-number":["IT1648\u201022"]}],"id":[{"id":"10.13039\/501100003086","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Physiologia Plantarum"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>It has been proposed that the de\u2010epoxidation state of the xanthophyll cycle (AZ\/VAZ) represents a mechanism of light memory storage in plants as it depends on the amount of light previously received by the leaf, later affecting the photosynthetic responses by modulating the rate of non\u2010photochemical quenching (NPQ). In this study we examine what the time window is for which the cumulative photon dose (CumPFD) best explains AZ\/VAZ. For this purpose, we developed a field experiment in a boreal forest in Finland on 17 species representing all major functional groups. In all species AZ\/VAZ correlated more strongly with CumPFD than with instantaneous light intensity, supporting its role as a form of light memory. Besides AZ\/VAZ was linked to photochemical efficiency, demonstrating that it influences current photosynthetic performance. However, the duration of this memory differed among species, with some (mosses, ferns, herbs and deciduous woody plants) where AZ\/VAZ best reflected CumPFD of the previous 2\u20135\u2009h (short\u2010term memory) and others (mainly evergreen species) where AZ\/VAZ integrated CumPFD received for 10\u201315\u2009h (long\u2010term memory). Overall, these results show that AZ\/VAZ fulfills the concept of a memory mechanism. Additionally, they pinpoint that this form of storage is transient, varies with plant functional types, and generally vanishes within 24\u2009h.<\/jats:p>","DOI":"10.1111\/ppl.71136","type":"journal-article","created":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T00:05:11Z","timestamp":1790899511000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Here Comes the Sun: Xanthophylls as Components of Plant Memory"],"prefix":"10.1111","volume":"178","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6498-975X","authenticated-orcid":false,"given":"Jos\u00e9 Ignacio","family":"Garc\u00eda\u2010Plazaola","sequence":"first","affiliation":[{"name":"Department Plant Biology and Ecology, Faculty of Sciences and Technology, Basque Center for Integrative and Human Health (EHU\u2010iBio) University of the Basque Country (EHU)  Leioa Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0184-470X","authenticated-orcid":false,"given":"Miren Irati","family":"Arzac","sequence":"additional","affiliation":[{"name":"Department Plant Biology and Ecology, Faculty of Sciences and Technology, Basque Center for Integrative and Human Health (EHU\u2010iBio) University of the Basque Country (EHU)  Leioa Spain"},{"name":"Plant Ecophysiology and Irrigation (ECOVER) Group Instituto de Recursos Naturales y Agrobiolog\u00eda de Sevilla (IRNAS\u2010CSIC)  Sevilla Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2114-476X","authenticated-orcid":false,"given":"\u00c1gueda M.","family":"Gonz\u00e1lez\u2010Rodr\u00edguez","sequence":"additional","affiliation":[{"name":"Department Botany, Ecology and Plant Physiology University of La Laguna (ULL)  La Laguna Canary Islands Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-8503-2009","authenticated-orcid":false,"given":"Laura","family":"D\u00edaz\u2010Jim\u00e9nez","sequence":"additional","affiliation":[{"name":"Department Plant Biology and Ecology, Faculty of Sciences and Technology, Basque Center for Integrative and Human Health (EHU\u2010iBio) University of the Basque Country (EHU)  Leioa Spain"},{"name":"Department Botany, Ecology and Plant Physiology University of La Laguna (ULL)  La Laguna Canary Islands Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8451-6052","authenticated-orcid":false,"given":"Alicia V.","family":"Perera\u2010Castro","sequence":"additional","affiliation":[{"name":"Department of Biology Universitat de les Illes Balears  Palma 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