What factors influence the development of secondary growth in plants?
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The development of secondary growth in plants is influenced by various factors. Key regulators include transcription factors like NAC with Transmembrane Motif 1-like transcription factor 9 (NTL9), intercellular signaling via mobile transcription factors, peptide-receptor modules, and phytohormones, microRNAs involved in post-transcriptional regulation of gene expression during vascular development, and phytohormones such as cytokinins that regulate the expression of transcription factors like AINTEGUMENTA (ANT) and D-type cyclin CYCD3;1. Additionally, secondary metabolites produced by plants in response to stress and defense signaling also play a role in influencing secondary growth. These factors collectively contribute to the intricate regulatory network governing the development of secondary growth in plants.
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| Plant secondary metabolite production is influenced by species, genotype, physiology, developmental stage, and environmental factors, indicating adaptive responses to stress and defense stimuli during growth. | |
| AINTEGUMENTA (ANT) and D-type cyclin CYCD3;1 respond to cytokinins, regulating root secondary growth in plants. Cytokinins play a key role in activating cell proliferation during secondary thickening. | |
| Transcription factor NTL9 negatively regulates Arabidopsis vascular cambium development during stem secondary growth, influencing cambium activity and developmental transition. | |
01 Jan 2020 1 Citations | microRNAs play a crucial role in regulating plant vascular development, including secondary growth. They control gene expression during vasculature formation, cambium activity, and wood formation in plants. |
| Intercellular signaling via transcription factors, peptide-receptor modules, and phytohormones play crucial roles in regulating secondary growth in plants by influencing cambium initiation, patterning, and maintenance. |
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