{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,9]],"date-time":"2026-06-09T15:22:29Z","timestamp":1781018549805,"version":"3.54.1"},"reference-count":40,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,4,1]],"date-time":"2025-04-01T00:00:00Z","timestamp":1743465600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2021YFF1000400"],"award-info":[{"award-number":["2021YFF1000400"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100020760","name":"Sanya Yazhou Bay Science and Technology City","doi-asserted-by":"publisher","award":["SCKJ\u20102022\u201021"],"award-info":[{"award-number":["SCKJ\u20102022\u201021"]}],"id":[{"id":"10.13039\/100020760","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Plant Journal"],"published-print":{"date-parts":[[2025,4]]},"abstract":"SUMMARY<\/jats:title>Tiller number is one important parameter for rice yield and is influenced by both strigolactone (SL) and nitrogen (N). However, how SL and N interact to regulate the tiller outgrowth in rice is unclear. In this study, we isolated a multi\u2010tillering mutant, tin<\/jats:italic>, from an ethyl methanesulfonate (EMS)\u2010mutagenized population of Wuyunjing 7, a japonica cultivar. The tin<\/jats:italic> mutant exhibited low sensitivity to varying N concentrations during the tiller development. Through bulk segregation analysis (BSA), we identified a missense mutation located in the exon of DWARF 17<\/jats:italic> (D17<\/jats:italic>), a key gene involved in SL biosynthesis. Complementation experiments confirmed that D17<\/jats:italic> is responsible for the tin<\/jats:italic> tiller phenotype, and exogenous application of the SL analogue GR24 restored the tiller response of tin<\/jats:italic> to N. Transcriptome analysis further revealed that D17 and SL regulate the tiller response to N by modulating the expression of SQUAMOSA PROMOTER BINDING PROTEIN\u2010LIKE<\/jats:italic> (SPL<\/jats:italic>) genes and ammonium transporter genes. These findings elucidate the mechanism by which SL and N coordinate to regulate rice tillering growth, providing valuable insights for optimizing rice plant architecture to enhance yield potential.<\/jats:p>","DOI":"10.1111\/tpj.70124","type":"journal-article","created":{"date-parts":[[2025,4,3]],"date-time":"2025-04-03T02:01:29Z","timestamp":1743645689000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Mutation of strigolactone biosynthetic gene DWARF 17<\/i> impairs the responses of rice tillering to N supply"],"prefix":"10.1111","volume":"122","author":[{"given":"Xin","family":"Huang","sequence":"first","affiliation":[{"name":"Sanya Institute of Nanjing Agricultural University, State Key Laboratory of Crop Genetics & Germplasm Enhancement, College of Resources and Environmental Sciences Nanjing Agricultural University Nanjing 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