@article{3b446659dc02428ca05278b0bb16d50c,
title = "A Conserved Genetic Pathway Determines Inflorescence Architecture in Arabidopsis and Rice",
abstract = "The spatiotemporal architecture of inflorescences that bear flowers determines plant reproductive success by affecting fruit set and plant interaction with pollinators. The inflorescence architecture that displays great diversity across flowering plants depends on developmental decisions at inflorescence meristems. Here we report a key conserved genetic pathway determining inflorescence architecture in Arabidopsis thaliana and Oryza sativa (rice). In Arabidopsis, four MADS-box genes, SUPPRESSOR OF OVEREXPRESSION OF CONSTANS 1, SHORT VEGETATIVE PHASE, AGAMOUS-LIKE 24, and SEPALLATA 4 act redundantly and directly to suppress TERMINAL FLOWER1 (TFL1) in emerging floral meristems. This is indispensable for the well-known function of APETALA1 in specifying floral meristems and is coupled with a conformational change in chromosome looping at the TFL1 locus. Similarly, we demonstrate that the orthologs of these MADS-box genes in rice determine panicle branching by regulating TFL1-like genes. Our findings reveal a conserved regulatory pathway that determines inflorescence architecture in flowering plants.",
author = "Chang Liu and Teo, {Zhi Wei Norman} and Yang Bi and Shiyong Song and Wanyan Xi and Xiaobei Yang and Zhongchao Yin and Hao Yu",
note = "This work was supported by Academic Research Fund MOE2011-T2-1-018 from the Ministry of Education-Singapore, the Singapore National Research Foundation under its Competitive Research Programme (NRF2010NRF-CRP002-018), and the intramural research funds from the National University of Singapore (R-154-000-506-112) and Temasek Life Sciences Laboratory.",
year = "2013",
month = mar,
doi = "10.1016/j.devcel.2013.02.013",
language = "English",
volume = "24",
pages = "612--622",
journal = "Developmental Cell",
issn = "1534-5807",
publisher = "Cell Press",
number = "6",
}
