{"id":1412,"date":"2025-03-27T18:23:14","date_gmt":"2025-03-27T17:23:14","guid":{"rendered":"https:\/\/ricelab.unimi.it\/?page_id=1412"},"modified":"2025-05-20T16:31:47","modified_gmt":"2025-05-20T14:31:47","slug":"panicle-development","status":"publish","type":"page","link":"https:\/\/ricelab.unimi.it\/en\/panicle-development\/","title":{"rendered":"Panicle development"},"content":{"rendered":"\n<p class=\"has-text-align-center has-large-font-size\">The rice inflorescence, called panicle, is characterized by a complex branching pattern controlled by numerous regulatory genes. Rice florigens also play a crucial role in activating the expression of the<em> FLOWERING LOCUS T LIKE 1 <\/em>(<em>FTL1<\/em>) gene, which encodes a protein similar to Hd3a and RFT1. Unlike these, however, FTL1 is transcribed and translated directly in the shoot apical meristem. This mechanism suggests the existence of a unique three-florigen system in cereals, whose interaction regulates the final size of the panicle.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"189\" src=\"https:\/\/ricelab.unimi.it\/wp-content\/uploads\/sites\/148\/2025\/05\/image-1024x189.png\" alt=\"\" class=\"wp-image-993\" srcset=\"https:\/\/ricelab.unimi.it\/wp-content\/uploads\/sites\/148\/2025\/05\/image-1024x189.png 1024w, https:\/\/ricelab.unimi.it\/wp-content\/uploads\/sites\/148\/2025\/05\/image-600x111.png 600w, https:\/\/ricelab.unimi.it\/wp-content\/uploads\/sites\/148\/2025\/05\/image-768x142.png 768w, https:\/\/ricelab.unimi.it\/wp-content\/uploads\/sites\/148\/2025\/05\/image.png 1384w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-align-center\"><strong>Analysis of OsFTL1 during rice panicle development<\/strong>: localization of <em>FTL1 <\/em>mRNA (right) and protein (left) during different stages of inflorescence and flower development. Abbreviations are as follows: VM \u2013 vegetative meristem; IM \u2013 inflorescence meristem; PBM \u2013 primary branch meristem; SBM \u2013 secondary branch meristem; SM\/FM \u2013 spikelet meristem and floral meristem (adapted from Giaume et al. 2023).<\/p>\n\n\n\n<p class=\"has-text-align-center\"><\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1011\" height=\"357\" src=\"https:\/\/ricelab.unimi.it\/wp-content\/uploads\/sites\/148\/2025\/05\/image-5.png\" alt=\"\" class=\"wp-image-1333\" style=\"width:564px;height:auto\" srcset=\"https:\/\/ricelab.unimi.it\/wp-content\/uploads\/sites\/148\/2025\/05\/image-5.png 1011w, https:\/\/ricelab.unimi.it\/wp-content\/uploads\/sites\/148\/2025\/05\/image-5-600x212.png 600w, https:\/\/ricelab.unimi.it\/wp-content\/uploads\/sites\/148\/2025\/05\/image-5-768x271.png 768w\" sizes=\"(max-width: 1011px) 100vw, 1011px\" \/><\/figure><\/div><\/div><\/div>\n\n\n\n<p class=\"has-text-align-center\"><strong>Panicle phenotype of rice lines with mutations in the <em>FTL1 <\/em>gene<\/strong>: rice panicles carrying mutations in <em>FTL1 <\/em>are more highly branched, showing a significant increase in secondary and tertiary branches, especially when plants are grown under open field conditions (adapted from Giaume et al. 2023).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The rice inflorescence, called panicle, is characterized by a complex branching pattern controlled by numerous regulatory genes. Rice florigens also play a crucial role in activating the expression of the FLOWERING LOCUS T LIKE 1 (FTL1) gene, which encodes a protein similar to Hd3a and RFT1. Unlike these, however, FTL1 is transcribed and translated directly [&hellip;]<\/p>\n","protected":false},"author":398,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1412","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/ricelab.unimi.it\/en\/wp-json\/wp\/v2\/pages\/1412"}],"collection":[{"href":"https:\/\/ricelab.unimi.it\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ricelab.unimi.it\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ricelab.unimi.it\/en\/wp-json\/wp\/v2\/users\/398"}],"replies":[{"embeddable":true,"href":"https:\/\/ricelab.unimi.it\/en\/wp-json\/wp\/v2\/comments?post=1412"}],"version-history":[{"count":1,"href":"https:\/\/ricelab.unimi.it\/en\/wp-json\/wp\/v2\/pages\/1412\/revisions"}],"predecessor-version":[{"id":1414,"href":"https:\/\/ricelab.unimi.it\/en\/wp-json\/wp\/v2\/pages\/1412\/revisions\/1414"}],"wp:attachment":[{"href":"https:\/\/ricelab.unimi.it\/en\/wp-json\/wp\/v2\/media?parent=1412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}