Research Progress in Genetic Regulation of Rice Panicle Architecture

doi:10.11983/CBB16213

Abstract

Yan Chun, Xueyong Li. Research Progress in Genetic Regulation of Rice Panicle Architecture[J]. Chinese Bulletin of Botany, 2017, 52(1): 19-29.

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URL: https://www.chinbullbotany.com/EN/10.11983/CBB16213

https://www.chinbullbotany.com/EN/Y2017/V52/I1/19

Figure 1 Diagram of rice inflorescence development……PBM: Primary branch meristem; AM: Axis meristem; SBM: Secondary branch meristem; MA: Main axis; PB: Primary branch; SB: Secondary branch; LS: Lateral spikelet; TS: Terminal spikelet; DP: Degenerate point

Figure 2 Auxin-mediated meristem initiations in rice^BM: Branch meristem; OsYUC1: Oryza sativa YUCCA1; OsPIN1: Oryza sativa PIN-FORMED 1; OsPID1: Oryza sativa PINOID 1; PAY1: Plant Architecture and Yield 1; ASP1: Aberrant Spikelet and Panicle 1; ARF: Auxin-response Factor; TDD1: Tryptophan Deficient Dwarf 1; LAX: Lax Panicle; APO: Aberrant Panicle Organization; RFL: Rice LFY Homolog; SPA: Small Panicle

Figure 3 Cytokinins regulate reproductive meristem size in rice^BM: Branch meristem; LOG: Lonely Guy; EP3: Erect Panicle 3; LP: Large Panicle; Gn1a: Grain Number 1a; OsCKX2: Oryza sativa Cytokinin Oxidase/Dehydrogenase 2; DST: Drought and Salt Tolerance; DEP1: Dense and Erect Panicle 1; OsWUS: Oryza sativa WUS; FON1: FLORAL ORGAN NUMBER 1

Figure 4 Transition from inflorescence meristem to spikelet meristem in rice^BM: Branch meristem; SM: Spikelet meristem; FZP: Frizzy Panicle; BFL1: Branched Floretless1; APO: Aberrant Panicle Organization; RFL: Rice LFY Homolog; CPB1: Clustered Primary Branch 1; Ghd8: Grain number, Plant height, and Heading date 8; MOC1: MONOCULM 1; RCN: Reduced Culm Number; OsMADS: Oryza sativa MADS-box gene; PAP2: Panicle phytomer 2; TAW1: Regulator of Rice Inflorescence Architecture, TAWAWA1; SPL: Squamosa Promoter Binding Protein Like; miR: microRNA

Figure 5 Elongation growth of rice branch^IB: Inflorescence branch; DEP2: Dense and Erect Panicle 2; EP2: Erect Panicle 2; SRS1: Small and Round Seed 1; SP1: Short Panicle 1

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