ArticlePlant physiology2022
Transcription factor NTL9 negatively regulates Arabidopsis vascular cambium development during stem secondary growth.
Article in Plant physiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 21 citations in OpenAlex.
- Haplotype-phased 'Ottawa 3' genome unravels differential reaction of apple rootstock roots to mixed viral infection.The Plant journal : for cell and molecular biology · 2026Article
- A conserved ethylene-triggered cell death mechanism may underlie hollow stem formation across plant species.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- NAC transcription factor GbNTL9 modifies the accumulation and organization of cellulose microfibrils to enhance cotton fiber strength.Journal of advanced research · 2025Article
- PagHAM4a-PagSCL21 and PagHAM4b-PagTCP20 modules positively regulate cambial activity and its differentiation into secondary xylem in poplar.Journal of experimental botany · 2024Article
- Ectopic Expression ofInternational journal of molecular sciences · 2024Article
- Growth-regulating factor 15-mediated vascular cambium differentiation positively regulates wood formation in hybrid poplar (Frontiers in plant science · 2024Article
- Phytohormones involved in vascular cambium activity in woods: current progress and future challenges.Frontiers in plant science · 2024Review
- Polyploid Genome Assembly Provides Insights into Morphological Development and Ascorbic Acid Accumulation ofInternational journal of molecular sciences · 2023Article
- Characterization of Almond Scion/Rootstock Communication in Cultivar and Rootstock Tissues through an RNA-Seq Approach.Plants (Basel, Switzerland) · 2023Article
- Genes expression profiles in vascular cambium of Eucalyptus urophylla × Eucalyptus grandis at different ages.BMC plant biology · 2023Article
- Identification of the NAC Transcription Factor Family during Early Seed Development inPlants (Basel, Switzerland) · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
In plant stems, secondary vascular development is established through the differentiation of cylindrical vascular cambium, producing secondary xylem (wood) and phloem (bast), which have economic importance. However, there is a dearth of knowledge on the genetic mechanism underlying this process. NAC with Transmembrane Motif 1-like transcription factor 9 (NTL9) plays a central role in abiotic and immune signaling responses. Here, we investigated the role of NTL9 in vascular cambium development in Arabidopsis (Arabidopsis thaliana) inflorescence stems by identifying and characterizing an Arabidopsis phloem circular-timing (pct) mutant. The pct mutant exhibited enhanced vascular cambium formation following secondary phloem production. In the pct mutant, although normal organization in vascular bundles was maintained, vascular cambium differentiation occurred at an early stage of stem development, which was associated with increased expression of cambium-/phloem-related genes and enhanced cambium activity. The pct mutant stem phenotype was caused by a recessive frameshift mutation that disrupts the transmembrane (TM) domain of NTL9. Our results indicate that NTL9 functions as a negative regulator of cambial activity and has a suppressive role in developmental transition to the secondary growth phase in stem vasculature, which is necessary for its precise TM domain-mediated regulation.
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