ArticleFrontiers in plant science2013
KNOX1 genes regulate lignin deposition and composition in monocots and dicots.
Article in Frontiers in plant science, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 51 citations in OpenAlex.
- Growth directions and stiffness across cell layers determine whether tissues stay smooth or buckle.Current biology : CB · 2026Article
- KNOX1 Transcription Factors in Plants with a Special Focus on Horticultural Crops: A Review.Plants (Basel, Switzerland) · 2026Review
- Uncovering the genetic architecture of biomass yield and related traits in Southern US oat germplasm using genome-wide association study.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Reducing nitrogen with dense planting increase sweetpotato storage roots quantity via favoring starch synthesis over lignification.iScience · 2026Article
- Molecular mechanisms and evolutionary adaptations of transporters for photosynthates and specialized metabolites in plants.Plant cell reports · 2026Review
- Article
- Regulation of meristem and hormone function revealed through analysis of directly-regulated SHOOT MERISTEMLESS target genes.Scientific reports · 2025Article
- Article
- Influence of Planting Density on Sweet Potato Storage Root Formation by Regulating Carbohydrate and Lignin Metabolism.Plants (Basel, Switzerland) · 2023Article
- OsPEX1, an extensin-like protein, negatively regulates root growth in a gibberellin-mediated manner in rice.Plant molecular biology · 2023Article
- Genome-Wide Identification of theGenes · 2023Article
- A coiled-coil protein associates Polycomb Repressive Complex 2 with KNOX/BELL transcription factors to maintain silencing of cell differentiation-promoting genes in the shoot apex.The Plant cell · 2022Article
- Identification, characterization, and expression profiling of the putativeFrontiers in microbiology · 2022Article
- Association of gene expression with syringyl to guaiacyl ratio in sugarcane lignin.Plant molecular biology · 2021Article
- Low Nitrogen Fertilization Alter Rhizosphere Microorganism Community and Improve Sweetpotato Yield in a Nitrogen-Deficient Rocky Soil.Frontiers in microbiology · 2020Article
- Article
- Transcriptome characterization of moso bamboo (Phyllostachys edulis) seedlings in response to exogenous gibberellin applications.BMC plant biology · 2018Article
- Current Models for Transcriptional Regulation of Secondary Cell Wall Biosynthesis in Grasses.Frontiers in plant science · 2018Review
- Article
- KNOX Protein OSH15 Induces Grain Shattering by Repressing Lignin Biosynthesis Genes.Plant physiology · 2017Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant secondary cell walls are deposited mostly in vascular tissues such as xylem vessels, tracheids, and fibers. These cell walls are composed of a complex matrix of compounds including cellulose, hemicellulose, and lignin. Lignin functions primarily to maintain the structural and mechanical integrity of both the transport vessel and the entire plant itself. Since lignin has been identified as a major source of biomass for biofuels, regulation of secondary cell wall biosynthesis has been a topic of much recent investigation. Biosynthesis and patterning of lignin involves many developmental and environmental cues including evolutionarily conserved transcriptional regulatory modules and hormonal signals. Here, we investigate the role of the class I Knotted1-like-homeobox (KNOX) genes and gibberellic acid in the lignin biosynthetic pathway in a representative monocot and a representative eudicot. Knotted1 overexpressing mutant plants showed a reduction in lignin content in both maize and tobacco. Expression of four key lignin biosynthesis genes was analyzed and revealed that KNOX1 genes regulate at least two steps in the lignin biosynthesis pathway. The negative regulation of lignin both in a monocot and a eudicot by the maize Kn1 gene suggests that lignin biosynthesis may be preserved across large phylogenetic distances. The evolutionary implications of regulation of lignification across divergent species are discussed.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.