ArticleNature communications2023
Tiller Number1 encodes an ankyrin repeat protein that controls tillering in bread wheat.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 27 papers.
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27 citing papers in PubMed, 54 citations in OpenAlex.
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- Reduced tillage and foliar application of Methylobacterium symbioticum synergistically improve yield and nutrient uptake in organic black barley.Scientific reports · 2026Article
- Fine-mapping theMolecular breeding : new strategies in plant improvement · 2025Article
- The TaNHLP1-TaRACK1A module regulates tillering via abscisic acid signaling in wheat.Nature communications · 2025Article
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- Characterization of wheat oligo-tiller mutant ot2 and fine mapping of the mutant gene Taot2.The plant genome · 2025Article
- Genome-wide identification of the cotton ANK gene family and functional study of GhANK169 in response to heat stress.BMC plant biology · 2025Article
- The selection and application of tiller number QTLs in modern wheat breeding.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Genome-wide association analysis in peanut accessions uncovers the genetic basis regulating oil and fatty acid variation.BMC plant biology · 2025Article
- Identification and validation of a novel tiller inhibition locus (Molecular breeding : new strategies in plant improvement · 2025Article
- Genome-Wide Exploration and Characterization of theInternational journal of molecular sciences · 2025Article
- Genetic and molecular insights into tiller development and approaches for crop yield improvement.Frontiers in plant science · 2025Review
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- Diversity and structural-functional insights of alpha-solenoid proteins.Protein science : a publication of the Protein Society · 2024Review
- Genotype selection identified elite lines through quantitative trait loci mapping of agronomically important traits in wheat.Molecular breeding : new strategies in plant improvement · 2024Article
- A novel regulator of wheat tilleringMolecular breeding : new strategies in plant improvement · 2024Article
Corrections and comments
- Erratum issued
Authors and funding
20 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Wheat (Triticum aestivum L.) is a major staple food for more than one-third of the world's population. Tiller number is an important agronomic trait in wheat, but only few related genes have been cloned. Here, we isolate a wheat mutant, tiller number1 (tn1), with much fewer tillers. We clone the TN1 gene via map-based cloning: TN1 encodes an ankyrin repeat protein with a transmembrane domain (ANK-TM). We show that a single amino acid substitution in the third conserved ankyrin repeat domain causes the decreased tiller number of tn1 mutant plants. Resequencing and haplotype analysis indicate that TN1 is conserved in wheat landraces and modern cultivars. Further, we reveal that the expression level of the abscisic acid (ABA) biosynthetic gene TaNCED3 and ABA content are significantly increased in the shoot base and tiller bud of the tn1 mutants; TN1 but not tn1 could inhibit the binding of TaPYL to TaPP2C via direct interaction with TaPYL. Taken together, we clone a key wheat tiller number regulatory gene TN1, which promotes tiller bud outgrowth probably through inhibiting ABA biosynthesis and signaling.
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