{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:47:39Z","timestamp":1787028459344,"version":"build-2736575974"},"reference-count":54,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2021,9,16]],"date-time":"2021-09-16T00:00:00Z","timestamp":1631750400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Research and Development Agency (ANID, Chile)","award":["FONDECYT\/Regular 1210941"],"award-info":[{"award-number":["FONDECYT\/Regular 1210941"]}]},{"name":"National Research and Development Agency (ANID, Chile)","award":["PIA\/ACT-1110"],"award-info":[{"award-number":["PIA\/ACT-1110"]}]},{"name":"INIA project (Chile)","award":["503002-70"],"award-info":[{"award-number":["503002-70"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Hydrogen sulfide (H2S) plays several physiological roles in plants. Despite the evidence, the role of H2S on cell wall disassembly and its implications on fleshy fruit firmness remains unknown. In this work, the effect of H2S treatment on the shelf-life, cell wall polymers and cell wall modifying-related gene expression of Chilean strawberry (Fragaria chiloensis) fruit was tested during postharvest storage. The treatment with H2S prolonged the shelf-life of fruit by an effect of optimal dose. Fruit treated with 0.2 mM H2S maintained significantly higher fruit firmness than non-treated fruit, reducing its decay and tripling its shelf-life. Additionally, H2S treatment delays pectin degradation throughout the storage period and significantly downregulated the expression of genes encoding for pectinases, such as polygalacturonase, pectate lyase, and expansin. This evidence suggests that H2S as a gasotransmitter prolongs the post-harvest shelf-life of the fruit and prevents its fast softening rate by a downregulation of the expression of key pectinase genes, which leads to a decreased pectin degradation.<\/jats:p>","DOI":"10.3390\/ijms221810008","type":"journal-article","created":{"date-parts":[[2021,9,16]],"date-time":"2021-09-16T21:38:12Z","timestamp":1631828292000},"page":"10008","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Postharvest Treatment of Hydrogen Sulfide Delays the Softening of Chilean Strawberry Fruit by Downregulating the Expression of Key Genes Involved in Pectin Catabolism"],"prefix":"10.3390","volume":"22","author":[{"given":"Sebastian A.","family":"Molinett","sequence":"first","affiliation":[{"name":"Laboratory of Bionanotecnology, Instituto de Investigaciones Agropecuarias, INIA CRI La Cruz, Chorrillos 86, La Cruz 2280454, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5393-8399","authenticated-orcid":false,"given":"Juan F.","family":"Alfaro","sequence":"additional","affiliation":[{"name":"Laboratory of Bionanotecnology, Instituto de Investigaciones Agropecuarias, INIA CRI La Cruz, Chorrillos 86, La Cruz 2280454, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felipe A.","family":"S\u00e1ez","sequence":"additional","affiliation":[{"name":"Faculty of Forest Sciences, Universidad de Concepcion, Casilla 160-C, Concepcion 4070386, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5931-5889","authenticated-orcid":false,"given":"Sebastian","family":"Elgueta","sequence":"additional","affiliation":[{"name":"N\u00facleo de Investigaciones Aplicadas en Ciencias Veterinarias y Agron\u00f3micas, Universidad de Las Am\u00e9ricas, Sede Providencia, Santiago 7500975, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mari\u0301a A.","family":"Moya-Leo\u0301n","sequence":"additional","affiliation":[{"name":"Institute of Biological Sciences, Campus Talca, Universidad de Talca, Talca 3465548, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1372-8207","authenticated-orcid":false,"given":"Carlos R.","family":"Figueroa","sequence":"additional","affiliation":[{"name":"Institute of Biological Sciences, Campus Talca, Universidad de Talca, Talca 3465548, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,9,16]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Hancock, J.F. 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