ArticleDevelopment (Cambridge, England)2010
The control of axillary meristem fate in the maize ramosa pathway.
Article in Development (Cambridge, England), 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 85 papers.
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85 citing papers in PubMed, 169 citations in OpenAlex.
- Comparative transcriptome profiling and functional analysis of GmRAMOSA1 as a key regulator of adventitious shoot regeneration in soybean.Plant cell reports · 2026Article
- Recessive antimorph alleles reveal novel functions of the Opaque1 myosin XI in maize.Plant physiology · 2026Article
- ZmTB1Plants (Basel, Switzerland) · 2026Article
- A multi-omics approach to maize (Zea mays) tassel development.BMC plant biology · 2026Article
- Dynamic and cell-type specific transcriptional reprogramming underlies the floral transition in the maize shoot apical meristem.Genome biology · 2026Article
- Article
- Identification of yield-related QTLs and their applications using DH population in maize.BMC genomics · 2025Article
- Transcriptional corepressor OsTPR1 regulates tillering and lateral root development in rice.Scientific reports · 2025Article
- Global identification and characterization of soybean TPR genes with expression analysis under photoperiod variations.Scientific reports · 2025Article
- How meristems shape plant architecture in cereals-Cereal Stem Cell Systems (CSCS) Consortium.The Plant cell · 2025Review
- Meristem fate: to terminate, or not?Frontiers in plant science · 2025Review
- Transcriptional corepressors in maize maintain meristem development.Plant physiology · 2024Article
- Bigger meristem, higher yield? The roles of REL2 and RELK in maize meristem function and yield enhancement.Plant physiology · 2024Article
- Identification and segregation of two closely linked major QTLs for kernel row number in advanced maize-teosinte populations.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genome-wide dissection of genes shaping inflorescence morphology in 242 Chinese south-north sorghum accessions.Scientific reports · 2024Article
- THI1 Gene Evolutionary Trends: A Comprehensive Plant-Focused Assessment via Data Mining and Large-Scale Analysis.Genome biology and evolution · 2024Article
- Molecular Evolution of RAMOSA1 (RA1) in Land Plants.Biomolecules · 2024Article
- A spatial transcriptome map of the developing maize ear.Nature plants · 2024Article
- QTG-Miner aids rapid dissection of the genetic base of tassel branch number in maize.Nature communications · 2023Article
- Article
25 more citing papers are in PubMed but not listed here.
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7 authors at 4 institutions in 1 country.
Funding
Abstract
Plant axillary meristems are composed of highly organized, self-renewing stem cells that produce indeterminate branches or terminate in differentiated structures, such as the flowers. These opposite fates, dictated by both genetic and environmental factors, determine interspecific differences in the architecture of plants. The Cys(2)-His(2) zinc-finger transcription factor RAMOSA1 (RA1) regulates the fate of most axillary meristems during the early development of maize inflorescences, the tassel and the ear, and has been implicated in the evolution of grass architecture. Mutations in RA1 or any other known members of the ramosa pathway, RAMOSA2 and RAMOSA3, generate highly branched inflorescences. Here, we report a genetic screen for the enhancement of maize inflorescence branching and the discovery of a new regulator of meristem fate: the RAMOSA1 ENHANCER LOCUS2 (REL2) gene. rel2 mutants dramatically increase the formation of long branches in ears of both ra1 and ra2 mutants. REL2 encodes a transcriptional co-repressor similar to the TOPLESS protein of Arabidopsis, which is known to maintain apical-basal polarity during embryogenesis. REL2 is capable of rescuing the embryonic defects of the Arabidopsis topless-1 mutant, suggesting that REL2 also functions as a transcriptional co-repressor throughout development. We show by genetic and molecular analyses that REL2 physically interacts with RA1, indicating that the REL2/RA1 transcriptional repressor complex antagonizes the formation of indeterminate branches during maize inflorescence development. Our results reveal a novel mechanism for the control of meristem fate and the architecture of plants.
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