David E. Salt
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View article: A defined microbial community reproduces attributes of fine flavour chocolate fermentation
A defined microbial community reproduces attributes of fine flavour chocolate fermentation Open
Cocoa ( Theobroma cacao L.) bean fermentation is a spontaneous process involving interactions between abiotic and biotic factors that contribute to the final flavours of chocolate. Understanding these underlying interactions could enable d…
View article: Multi‐Experiment and Multi‐Locus Genome‐Wide Association Mapping for Grain Arsenic in Rice Population
Multi‐Experiment and Multi‐Locus Genome‐Wide Association Mapping for Grain Arsenic in Rice Population Open
Rice is a globally important crop and is particularly efficient at assimilating arsenic (As). Identifying QTLs and genes associated with grain As is essential for breeding low‐As rice cultivars. In this study, data on As accumulation in gr…
View article: Comparison of linkage and association mapping in MAGIC lines identifies <i>AtMTP3</i> as a new gene controlling natural variation in leaf zinc concentration in Arabidopsis
Comparison of linkage and association mapping in MAGIC lines identifies <i>AtMTP3</i> as a new gene controlling natural variation in leaf zinc concentration in Arabidopsis Open
The Arabidopsis thaliana MAGIC lines are the result of extensive recombination among 19 accessions, which allows a direct comparison of association and linkage mapping using the same population. We used both approaches to map the genetic b…
View article: Multiple independent <i>MGR5</i> alleles contribute to a clinal pattern in leaf magnesium across the distribution of <i>Arabidopsis thaliana</i>
Multiple independent <i>MGR5</i> alleles contribute to a clinal pattern in leaf magnesium across the distribution of <i>Arabidopsis thaliana</i> Open
Summary Magnesium (Mg) is a crucial element in plants, particularly for photosynthesis. Mg homeostasis is influenced by environmental and genetic factors, and our understanding of its variation in natural populations remains incomplete. We…
View article: Individual leaf microbiota tunes a genetic regulatory network to promote leaf growth
Individual leaf microbiota tunes a genetic regulatory network to promote leaf growth Open
In natural ecosystems, microbes have the ability to stably colonize plant leaves, overcoming the fluctuating environmental conditions that the leaves represent. How the phyllosphere microbiota influences the growth of individual leaves rem…
View article: <i>Arabidopsis thaliana</i> Zn transporter genes <i>ZIP3</i> and <i>ZIP5</i> provide the main Zn uptake route and act redundantly to face Zn deficiency
<i>Arabidopsis thaliana</i> Zn transporter genes <i>ZIP3</i> and <i>ZIP5</i> provide the main Zn uptake route and act redundantly to face Zn deficiency Open
SUMMARY In response to Zn deficiency, plants are thought to adjust Zn homeostasis through the coordinated expression of Zn transporters. Zn transporters are identified in the ZIP, HMA and CDF families of cation transporters, although only …
View article: T-DNA mutant screen in Arabidopsis to validate candidate genes with predicted ionomic and seed weight phenotypes
T-DNA mutant screen in Arabidopsis to validate candidate genes with predicted ionomic and seed weight phenotypes Open
Advances in quantitative genetics and high-throughput pipelines have allowed for rapid identification of genomic markers associated with changes in phenotype. However, linking those markers to causal genes is still difficult, as many genes…
View article: A chloroplast localized Ca2+-permeable channel regulates grain calcium accumulation in rice
A chloroplast localized Ca2+-permeable channel regulates grain calcium accumulation in rice Open
Calcium (Ca) is an essential mineral nutrient and plays a crucial signaling role in all living organisms. Increasing Ca content in staple foods such as rice is vital for improving Ca nutrition of humans. Here we map a quantitative trait lo…
View article: A dirigent protein complex directs lignin polymerization and assembly of the root diffusion barrier
A dirigent protein complex directs lignin polymerization and assembly of the root diffusion barrier Open
Functionally similar to the tight junctions present in animal guts, plant roots have evolved a lignified Casparian strip as an extracellular diffusion barrier in the endodermis to seal the root apoplast and maintain nutrient homeostasis. H…
View article: A comparative approach for selecting orthologous candidate genes in genome-wide association studies across multiple species
A comparative approach for selecting orthologous candidate genes in genome-wide association studies across multiple species Open
Advances in quantitative genetics have enabled researchers to identify genomic regions associated with changes in phenotype. However, genomic regions can contain hundreds to thousands of genes, and progressing from genomic regions to causa…
View article: Combined genomics to discover genes associated with tolerance to soil carbonate
Combined genomics to discover genes associated with tolerance to soil carbonate Open
Carbonate‐rich soils limit plant performance and crop production. Previously, local adaptation to carbonated soils was detected in wild Arabidopsis thaliana accessions, allowing the selection of two demes with contrasting phenotypes: A1 (c…
View article: Identifying iodine deficiencies from dietary transitions using shopping data
Identifying iodine deficiencies from dietary transitions using shopping data Open
Plant-based product replacements are rising in popularity, however, long-term health implications remain poorly understood, and available methods of assessment hamper population-level determination of nutritional impacts. We examine anonym…
View article: Plant microbiota controls an alternative root branching regulatory mechanism in plants
Plant microbiota controls an alternative root branching regulatory mechanism in plants Open
The establishment of beneficial interactions with microbes has helped plants to modulate root branching plasticity in response to environmental cues. However, how the plant microbiota harmonizes with plant roots to control their branching …
View article: Cell type-specific mapping of ion distribution in <i>Arabidopsis thaliana</i> roots
Cell type-specific mapping of ion distribution in <i>Arabidopsis thaliana</i> roots Open
The file contains all data supporting the manuscript Cell type-specific mapping of ion distribution in Arabidopsis thaliana roots.
View article: Climate change challenges, plant science solutions
Climate change challenges, plant science solutions Open
Climate change is a defining challenge of the 21st century, and this decade is a critical time for action to mitigate the worst effects on human populations and ecosystems. Plant science can play an important role in developing crops with …
View article: Transcriptional network underpinning ploidy-related elevated leaf potassium in neo-tetraploids
Transcriptional network underpinning ploidy-related elevated leaf potassium in neo-tetraploids Open
Whole-genome duplication generates a tetraploid from a diploid. Newly created tetraploids (neo-tetraploids) of Arabidopsis (Arabidopsis thaliana) have elevated leaf potassium (K), compared to their diploid progenitor. Micro-grafting has pr…
View article: A two-step adaptive walk rewires nutrient transport in a challenging edaphic environment
A two-step adaptive walk rewires nutrient transport in a challenging edaphic environment Open
Most well-characterized cases of adaptation involve single genetic loci. Theory suggests that multilocus adaptive walks should be common, but these are challenging to identify in natural populations. Here, we combine trait mapping with pop…
View article: Construction and analysis of a Noccaea caerulescens TILLING population
Construction and analysis of a Noccaea caerulescens TILLING population Open
Background Metals such as Zn or Cd are toxic to plant and humans when they are exposed in high quantities through contaminated soil or food. Noccaea caerulescens , an extraordinary Zn/Cd/Ni hyperaccumulating species, is used as a model pla…
View article: Non-invasive isotope-based hydrodynamic imaging in plant roots at cellular resolution
Non-invasive isotope-based hydrodynamic imaging in plant roots at cellular resolution Open
<p>A key impediment to studying water-related mechanisms in plants is the inability to noninvasively image water fluxes in cells at high temporal and spatial resolution. Here, we report that Raman microspectroscopy, complemented by h…
View article: Phosphorylated B6 vitamer deficiency in SALT OVERLY SENSITIVE 4 mutants compromises shoot and root development
Phosphorylated B6 vitamer deficiency in SALT OVERLY SENSITIVE 4 mutants compromises shoot and root development Open
Stunted growth in saline conditions is a signature phenotype of the Arabidopsis SALT OVERLY SENSITIVE mutants (sos1-5) affected in pathways regulating the salt stress response. One of the mutants isolated, sos4, encodes a kinase that phosp…
View article: Physiological roles of Casparian strips and suberin in the transport of water and solutes
Physiological roles of Casparian strips and suberin in the transport of water and solutes Open
Summary The formation of Casparian strips (CS) and the deposition of suberin at the endodermis of plant roots are thought to limit the apoplastic transport of water and ions. We investigated the specific role of each of these apoplastic ba…
View article: Redundant roles of four ZIP family members in zinc homeostasis and seed development in <i>Arabidopsis thaliana</i>
Redundant roles of four ZIP family members in zinc homeostasis and seed development in <i>Arabidopsis thaliana</i> Open
SUMMARY Zinc (Zn) is essential for normal plant growth and development. The Zn‐regulated transporter, iron‐regulated transporter (IRT)‐like protein (ZIP) family members are involved in Zn transport and cellular Zn homeostasis throughout th…
View article: Suberin plasticity to developmental and exogenous cues is regulated by a set of MYB transcription factors
Suberin plasticity to developmental and exogenous cues is regulated by a set of MYB transcription factors Open
Significance Endodermal suberin plays crucial roles in plant nutrition by forming barriers for the free diffusion of water and nutrients. Suberin formation is tightly regulated by exogenous and developmental cues, which independently contr…