ArticlePlanta2004
Regulation and a conserved intron sequence of liguleless3/4 knox class-I homeobox genes in grasses.
Article in Planta, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 35 citations in OpenAlex.
- KNOX II Transcription Factor HOS59 Regulates Gypsy Transposable Elements to Modulate Panicle Development in Rice.Plant, cell & environment · 2026Article
- Characterization of flag leaf morphology identifies a major genomic region controlling flag leaf angle in the US winter wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Association mapping across a multitude of traits collected in diverse environments in maize.GigaScience · 2022Article
- The power of classic maize mutants: Driving forward our fundamental understanding of plants.The Plant cell · 2022Review
- Genome-wide association studies of leaf angle in maize.Molecular breeding : new strategies in plant improvement · 2021Article
- Improving architectural traits of maize inflorescences.Molecular breeding : new strategies in plant improvement · 2021Article
- Comparative QTL analysis for yield components and morphological traits in maize (Breeding science · 2019Article
- Characterization of a dominant mutation for the liguleless trait: Aegilops tauschii liguleless (LgBMC plant biology · 2019Article
- Genome-wide association study of maize plant architecture using FPlant molecular biology · 2019Article
- Linkage mapping combined with association analysis reveals QTL and candidate genes for three husk traits in maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
- Cytokinin-induced expression ofPlant biotechnology (Tokyo, Japan) · 2018Article
- Article
- Genetic mapping of QTL for the sizes of eight consecutive leaves below the tassel in maize (Zea mays L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Transcriptional, posttranscriptional, and posttranslational regulation of SHOOT MERISTEMLESS gene expression in Arabidopsis determines gene function in the shoot apex.Plant physiology · 2015Article
- Natural variation at sympathy for the ligule controls penetrance of the semidominant Liguleless narrow-R mutation in Zea mays.G3 (Bethesda, Md.) · 2014Article
- Genetic control of maize shoot apical meristem architecture.G3 (Bethesda, Md.) · 2014Article
- Unequal redundancy in maize knotted1 homeobox genes.Plant physiology · 2014Article
- Diversity in genetic in vivo methods for protein-protein interaction studies: from the yeast two-hybrid system to the mammalian split-luciferase system.Microbiology and molecular biology reviews : MMBR · 2012Review
- Characterization of wheat Bell1-type homeobox genes in floral organs of alloplasmic lines with Aegilops crassa cytoplasm.BMC plant biology · 2011Article
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Authors and funding
7 authors at 4 institutions in 3 countries.
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Abstract
The nine class-I maize (Zea mays L.) knox genes are putative transcription factors normally expressed in shoot apices, but not in leaves. knotted1 (kn1) seems to function in shoot apical meristem maintenance, and rough sheath1 (rs1)-like genes may act in internode elongation. The function of liguleless3 (lg3)-type genes is still unknown. Here, we characterized lg3 as well as the two most closely related genes liguleless4a (lg4a, formerly knox11) and liguleless4b (lg4b, formerly knox5). We termed this subclass of knox genes lg3/4 genes. We studied the expression patterns of lg3/4 genes and compared their sequences. We obtained knockout mutants of lg3 by finding Mu transposon insertions into exons. Our results show that lg3 was not essential for plant development, and that lg4a and lg4b were likely to encode the redundant function. In addition, lg4a but not lg4b was ectopically expressed in the Lg4-O mutant, suggesting that this mutant was affected at the lg4a locus. We found that the lg3 gene was unique among knox genes as it was co-induced in the leaves of leaf mutants that ectopically expressed knox genes in the leaves. The leaf phenotype expressed in the dominant Rs1-O mutant was not altered when lg3 function was removed using the knockout. Genomic sequence comparisons of lg3, lg4a and lg4b from maize and the two homologous genes, osh6 and osh71, from rice revealed a 14-bp phylogenetic footprint in intron II. This sequence was conserved in nucleotide composition, position and polarity in the lg3/4 genes of divergent grasses representing six Gramineae subfamilies. In an independent experiment, this same conserved sequence was found in a yeast reverse one-hybrid screen for putative binding sites of the LG3 homeodomain protein. Distribution of this 14-bp sequence was examined within the public rice database. The possible function of this sequence in regulation of lg3/4 genes is discussed.
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