Grass Inflorescence

Kyozuka, Junko

doi:10.1016/b978-0-12-417162-6.00007-9

Cited by 9 publications

(3 citation statements)

References 111 publications

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“…Inflorescence architectures are highly diverse, and their structures have been strongly selected during plant adaptation and crop domestication (Tanaka et al, 2013;Kyozuka, 2014;Kyozuka et al, 2014;B. Wang et al, 2018;Yuan et al, 2020;Zhu & Wagner, 2020) [Correction added after first publication 24 February 2022: a reference has been deleted from the preceding sentence.].…”

Section: Discussionmentioning

confidence: 99%

“…Inflorescence architectures are highly diverse, and their structures have been strongly selected during plant adaptation and crop domestication (Tanaka et al ., 2013; Kyozuka, 2014; Kyozuka et al ., 2014; Zhang & Yuan, 2014; B. Wang et al ., 2018; Yuan et al ., 2020; Zhu & Wagner, 2020) [Correction added after first publication 24 February 2022: a reference has been deleted from the preceding sentence.]. Great effort has been devoted to unravelling the regulatory processes underlying inflorescence complexity and plasticity and to exploit them for molecular breeding.…”

Section: Discussionmentioning

confidence: 99%

“…The IM generates a series of AMs that produce branches, such as the primary branch meristem (PBM), the elongated primary branch meristem (ePBM), and the secondary branch meristem (SBM) from branch meristems (BMs); or spikelets and flowers, from the spikelet meristem (SM) and floret meristem (FM), respectively (Tanaka et al ., 2013; Kyozuka et al ., 2014) [Correction added after first publication 24 February 2022: a reference has been deleted from the preceding sentence.]. Spatiotemporal changes in several phytohormones, including cytokinin (CK), GA, brassinosteroids, and jasmonic acids, are known to affect AM activity and transition time (Tanaka et al ., 2013; Kyozuka, 2014; Zhang & Yuan, 2014; Yuan et al ., 2020). Transcription factors (TFs), such as members of the SQUAMOSA PROMOTER BINDING PROTEIN‐LIKE (SPL), basic helix–loop–helix, APETALA2/ETHYLENE RESPONSE FACTOR (AP2/ERF), TEOSINTE BRANCHED1/CYCLOIDEA/PROLIFERATING CELL FACTOR 1, and MADS‐box families, integrate environmental and hormonal information to orchestrate AM identity, activity, and determinacy to regulate inflorescence and spikelet development (B. Wang et al ., 2018; Yuan et al ., 2020; Zhu & Wagner, 2020) [Correction added after first publication 24 February 2022: a reference has been deleted from the preceding sentence.…”

Section: Introductionmentioning

confidence: 99%

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A rice single cell transcriptomic atlas defines the developmental trajectories of rice floret and inflorescence meristems

et al. 2022

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Rice inflorescence development determines yield and relies on the activity of axillary meristems (AMs); however, high-resolution analysis of its early development is lacking.Here, we have used high-throughput single-cell RNA sequencing to profile 37 571 rice inflorescence cells and constructed a genome-scale gene expression resource covering the inflorescence-to-floret transition during early reproductive development. The differentiation trajectories of florets and AMs were reconstructed, and discrete cell types and groups of regulators in the highly heterogeneous young inflorescence were identified and then validated by in situ hybridization and with fluorescent marker lines.Our data demonstrate that a WOX transcription factor, DWARF TILLER1, regulates flower meristem activity, and provide evidence for the role of auxin in rice inflorescence branching by exploring the expression and biological role of the auxin importer OsAUX1.Our comprehensive transcriptomic atlas of early rice inflorescence development, supported by genetic evidence, provides single-cell-level insights into AM differentiation and floret development.

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