{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T19:08:51Z","timestamp":1791054531269,"version":"4.1.0"},"reference-count":51,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2004,4,13]],"date-time":"2004-04-13T00:00:00Z","timestamp":1081814400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Plant Journal"],"published-print":{"date-parts":[[2004,6]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>\n                    Maize is a monoecious species that produces imperfect (unisexual), highly derived flowers called florets. Within the spikelet, the basic repeating unit of the maize inflorescence, the spikelet meristem gives rise to an upper and a lower floret. Although initially bisexual, floret unisexuality is established through selective organ elimination. In addition, the lower floret of each ear spikelet is aborted early in its development, leaving the upper floret to mature as the only pistillate floret. Expression from the cytokinin\u2010synthesizing isopentenyl transferase (IPT) enzyme under the control of the\n                    <jats:italic>Arabidopsis<\/jats:italic>\n                    senescence\u2010inducible promoter SAG (senescence associated gene)12 was observed during early maize floret development. Moreover, the lower floret was rescued from abortion, resulting in two functional florets per spikelet. The pistil in each floret was fertile, but the spikelet produced just one kernel composed of a fused endosperm with two viable embryos. The two embryos were genetically distinct, indicating that they had arisen from independent fertilization events. These results suggest that cytokinin can determine pistil cell fate during maize floret development.\n                  <\/jats:p>","DOI":"10.1111\/j.1365-313x.2004.02093.x","type":"journal-article","created":{"date-parts":[[2004,5,24]],"date-time":"2004-05-24T10:47:03Z","timestamp":1085395623000},"page":"910-922","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":61,"title":["Senescence\u2010induced expression of cytokinin reverses pistil abortion during maize flower development"],"prefix":"10.1111","volume":"38","author":[{"given":"Todd E.","family":"Young","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jane","family":"Giesler\u2010Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel R.","family":"Gallie","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2004,4,19]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1097-2765(00)80450-5"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4612-2694-9_120"},{"key":"e_1_2_6_4_1","first-page":"75","article-title":"Cloning and characterization of the maize an1 gene","volume":"7","author":"Bensen R.J.","year":"1995","journal-title":"Plant Cell"},{"key":"e_1_2_6_5_1","first-page":"677","article-title":"Production par traumatisme d'une forme nouvelle de mais a caryopses multiples, Zea mays var. polysperma","volume":"170","author":"Blaringhem L.","year":"1920","journal-title":"Acad. 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