Secondary growth
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A global analysis of parenchyma tissue fractions in secondary xylem of seed plants Open
Summary Parenchyma is an important tissue in secondary xylem of seed plants, with functions ranging from storage to defence and with effects on the physical and mechanical properties of wood. Currently, we lack a large‐scale quantitative a…
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Regulation of root adaptive anatomical and morphological traits during low soil oxygen Open
Summary Flooding causes oxygen deprivation in soils. Plants adapt to low soil oxygen availability by changes in root morphology, anatomy, and architecture to maintain root system functioning. Essential traits include aerenchyma formation, …
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Biological Basis of Tree-Ring Formation: A Crash Course Open
Wood is of crucial importance for man and biosphere. In this mini review, we present the fundamental processes involved in tree-ring formation and intra-annual dynamics of cambial activity, along with the influences of the environmental fa…
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Oriented MFI Membranes by Gel‐Less Secondary Growth of Sub‐100 nm MFI‐Nanosheet Seed Layers Open
A zeolite membrane fabrication process combining 2D-zeolite nanosheet seeding and gel-free secondary growth is described. This process produces selective molecular sieve films that are as thin as 100 nm and exhibit record high permeances f…
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Molecular control of wood formation in trees Open
Wood (also termed secondary xylem) is the most abundant biomass produced by plants, and is one of the most important sinks for atmospheric carbon dioxide. The development of wood begins with the differentiation of the lateral meristem, vas…
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The Dynamics of Cambial Stem Cell Activity Open
Stem cell populations in meristematic tissues at distinct locations in the plant body provide the potency of continuous plant growth. Primary meristems, at the apices of the plant body, contribute mainly to the elongation of the main plant…
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Cytokinin biosynthesis and transport for systemic nitrogen signaling Open
Summary The plasticity of growth and development in response to environmental changes is one of the essential aspects of plant behavior. Cytokinins play an important role as signaling molecules in the long‐distance communication between or…
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<i>AINTEGUMENTA</i> and the D-type cyclin <i>CYCD3;1</i> regulate root secondary growth and respond to cytokinins Open
Higher plant vasculature is characterized by two distinct developmental phases. Initially, a well-defined radial primary pattern is established. In eudicots, this is followed by secondary growth, which involves development of the cambium a…
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A molecular framework to study periderm formation in Arabidopsis Open
Summary During secondary growth in most eudicots and gymnosperms, the periderm replaces the epidermis as the frontier tissue protecting the vasculature from biotic and abiotic stresses. Despite its importance, the mechanisms underlying per…
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Vascular Cambium Development Open
Secondary phloem and xylem tissues are produced through the activity of vascular cambium, the cylindrical secondary meristem which arises among the primary plant tissues. Most dicotyledonous species undergo secondary development, among the…
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Improving rice tolerance to potassium deficiency by enhancing <i>Os<span>HAK</span>16p:<span>WOX</span>11</i>‐controlled root development Open
Summary Potassium (K) deficiency in plants confines root growth and decreases root‐to‐shoot ratio, thus limiting root K acquisition in culture medium. A WUSCHEL ‐related homeobox ( WOX ) gene, WOX 11 , has been reported as an integrator of…
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Secondary growth as a determinant of plant shape and form Open
Plants are the primary producers of biomass on earth. As an almost stereotypic feature, higher plants generate continuously growing bodies mediated by the activity of different groups of stem cells, the meristems. Shoot and root thickening…
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MicroRNA857 Is Involved in the Regulation of Secondary Growth of Vascular Tissues in Arabidopsis Open
MicroRNAs (miRNAs) are endogenous small RNAs that repress target gene expression posttranscriptionally, and are critically involved in various developmental processes and responses to environmental stresses in eukaryotes. MiRNA857 is not w…
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Same same, but different: growth responses of primary and lateral roots Open
The root system architecture describes the shape and spatial arrangement of roots within the soil. Its spatial distribution depends on growth and branching rates as well as directional organ growth. The embryonic primary root gives rise to…
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Gibberellin Promotes Sweetpotato Root Vascular Lignification and Reduces Storage-Root Formation Open
Sweetpotato yield depends on a change in the developmental fate of adventitious roots into storage-roots. The mechanisms underlying this developmental switch are still unclear. We examined the hypothesis claiming that regulation of root li…
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Regulation of vascular cell division Open
Vascular tissue, comprising xylem and phloem, is responsible for the transport of water and nutrients throughout the plant body. Such tissue is continually produced from stable populations of stem cells, specifically the procambium during …
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Tissue‐specific study across the stem reveals the chemistry and transcriptome dynamics of birch bark Open
Summary Tree bark is a highly specialized array of tissues that plays important roles in plant protection and development. Bark tissues develop from two lateral meristems; the phellogen (cork cambium) produces the outermost stem–environmen…
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The plant hormone auxin directs timing of xylem development by inhibition of secondary cell wall deposition through repression of secondary wall NAC‐domain transcription factors Open
Wood formation in higher plants is a complex and costly developmental process regulated by a complex network of transcription factors, short peptide signals and hormones. Correct spatiotemporal initiation of differentiation and downstream …
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Studying Secondary Growth and Bast Fiber Development: The Hemp Hypocotyl Peeks behind the Wall Open
Cannabis sativa L. is an annual herbaceous crop grown for the production of long extraxylary fibers, the bast fibers, rich in cellulose and used both in the textile and biocomposite sectors. Despite being herbaceous, hemp undergoes seconda…
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Genomewide analysis of the lateral organ boundaries domain gene family in <i>Eucalyptus grandis</i> reveals members that differentially impact secondary growth Open
Summary Lateral Organ Boundaries Domain ( LBD ) proteins are plant‐specific transcription factors playing crucial roles in growth and development. However, the function of LBD proteins in Eucalyptus grandis remains largely unexplored. In t…
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CYCD3 D-type cyclins regulate cambial cell proliferation and secondary growth in<i>Arabidopsis</i> Open
A major proportion of plant biomass is derived from the activity of the cambium, a lateral meristem responsible for vascular tissue formation and radial organ enlargement in a process termed secondary growth. In contrast to our relatively …
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Root secondary growth: an unexplored component of soil resource acquisition Open
Background and Aims Despite recent progress in elucidating the molecular basis of secondary growth (cambial growth), the functional implications of this developmental process remain poorly understood. Targeted studies exploring how abiotic…
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Auxin signaling and vascular cambium formation enable storage metabolism in cassava tuberous roots Open
Cassava storage roots are among the most important root crops worldwide, and represent one of the most consumed staple foods in sub-Saharan Africa. The vegetatively propagated tropical shrub can form many starchy tuberous roots from its st…
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Stem Anatomy and Adventitious Root Formation in Cuttings of Angophora, Corymbia and Eucalyptus Open
Many plantation eucalypts are difficult to propagate from cuttings, and their rooted cuttings often possess very few adventitious roots. We microscopically examined the stem anatomy of cuttings from 12 species of eucalypts and we determine…
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Wood forming tissue‐specific bicistronic expression of <i>Pd<span>GA</span>20ox1</i> and <i>Ptr<span>MYB</span>221</i> improves both the quality and quantity of woody biomass production in a hybrid poplar Open
Summary With the exponential growth of the human population and industrial developments, research on renewable energy resources is required to alleviate environmental and economic impacts caused by the consumption of fossil fuels. In this …
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Gene Regulatory Network Guided Investigations and Engineering of Storage Root Development in Root Crops Open
The plasticity of plant development relies on its ability to balance growth and stress resistance. To do this, plants have established highly coordinated gene regulatory networks (GRNs) of the transcription factors and signaling components…
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MicroRNAs Roles in Plants Secondary Metabolism Open
Plant growth and development is dependent on the regulation of classes of microRNAs (miRNAs) that have emerged as important gene regulators. These miRNAs can regulate plant gene expression to function. They play an important roles in biolo…
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Xylem vessel‐specific SND5 and its homologs regulate secondary wall biosynthesis through activating secondary wall NAC binding elements Open
Summary Secondary cell wall biosynthesis has been shown to be regulated by a suite of transcription factors. Here, we identified a new xylem vessel‐specific NAC domain transcription factor, secondary wall‐associated NAC domain protein5 (SN…
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Biotic Elicitors in Adventitious and Hairy Root Cultures: A Review from 2010 to 2022 Open
One of the aims of plant in vitro culture is to produce secondary plant metabolites using plant cells and organ cultures, such as cell suspensions, adventitious, and hairy roots (among others). In cases where the biosynthesis of a compound…
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Intrusive growth of primary and secondary phloem fibres in hemp stem determines fibre-bundle formation and structure Open
Plant fibres-cells with important mechanical functions and a widely used raw material-are usually identified in microscopic sections only after reaching a significant length or after developing a thickened cell wall. We characterized the e…