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Natl. Acad. Sci. U.S.A."],"published-print":{"date-parts":[[2026,9,29]]},"abstract":"<jats:p>\n                    Angiosperms face frequent fertilization failure in natural environments. To address this challenge, angiosperms have evolved fertilization recovery mechanisms to ensure successful reproduction. The central cell secretes pollen tube attractants to mediate fertilization recovery, but the molecular mechanisms remain poorly defined. In this study, we identified two central cell\u2013produced peptides SALVAGER3 (SAL3) and SAL4 that attract pollen tubes when synergid cell\u2013controlled attraction is compromised. Loss of SALs reduces the ovular capacity for fertilization recovery. These central cell\u2013derived peptides attract interspecific pollen tubes in\n                    <jats:italic toggle=\"yes\">Arabidopsis thaliana<\/jats:italic>\n                    , promoting the chance of interspecific hybridization during fertilization recovery. Collectively, this study not only expands our mechanistic understanding of central cell\u2013mediated fertilization recovery but also highlights its function in overcoming interspecific barriers.\n                  <\/jats:p>","DOI":"10.1073\/pnas.2600459123","type":"journal-article","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T16:59:47Z","timestamp":1790269187000},"update-policy":"https:\/\/doi.org\/10.1073\/pnas.cm10313","source":"Crossref","is-referenced-by-count":0,"title":["Central cell\u2013produced salvagers promote fertilization recovery and interspecific hybridization"],"prefix":"10.1073","volume":"123","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-4543-5633","authenticated-orcid":false,"given":"Chun-Lin","family":"Yan","sequence":"first","affiliation":[{"name":"Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life 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