Caroline Marcon
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View article: Pathogenic fungus <i>Ustilago maydis</i> exploits the lateral root regulators to induce pluripotency in maize shoots
Pathogenic fungus <i>Ustilago maydis</i> exploits the lateral root regulators to induce pluripotency in maize shoots Open
Summary Biotrophic plant–pathogens secrete effector molecules to redirect and exploit endogenous signaling and developmental pathways in their favor. The biotrophic fungus Ustilago maydis causes galls on all aerial parts of maize. However,…
View article: Pathogenic fungus exploits the lateral root regulators to induce pluripotency in maize shoots
Pathogenic fungus exploits the lateral root regulators to induce pluripotency in maize shoots Open
Biotrophic plant pathogens secrete effector molecules to redirect and exploit endogenous signaling and developmental pathways in their favor. The biotrophic fungus Ustilago maydis causes galls on all aerial parts of maize. However, identif…
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: Embracing native diversity to enhance the maximum quantum efficiency of photosystem II in maize
Embracing native diversity to enhance the maximum quantum efficiency of photosystem II in maize Open
The sustainability of maize cultivation would benefit tremendously from early sowing, but is hampered by low temperatures during early development in temperate climates. We show that allelic variation within the gene encoding subunit M of …
View article: Expanding the <i>BonnMu</i> sequence‐indexed repository of transposon induced maize (<i>Zea mays</i> L.) mutations in dent and flint germplasm
Expanding the <i>BonnMu</i> sequence‐indexed repository of transposon induced maize (<i>Zea mays</i> L.) mutations in dent and flint germplasm Open
SUMMARY The BonnMu resource is a transposon tagged mutant collection designed for functional genomics studies in maize. To expand this resource, we crossed an active Mutator ( Mu ) stock with dent (B73, Co125) and flint (DK105, EP1, and F7…
View article: Catechol acetylglucose: a newly identified benzoxazinoid‐regulated defensive metabolite in maize
Catechol acetylglucose: a newly identified benzoxazinoid‐regulated defensive metabolite in maize Open
Summary An enormous diversity of specialized metabolites is produced in the plant kingdom, with each individual plant synthesizing thousands of these compounds. Previous research showed that benzoxazinoids, the most abundant class of speci…
View article: Embracing native diversity to enhance maximum quantum efficiency of photosystem II in maize (<i>Zea mays</i>L.)
Embracing native diversity to enhance maximum quantum efficiency of photosystem II in maize (<i>Zea mays</i>L.) Open
Sustainability of maize cultivation would benefit tremendously from early sowing but is hampered by low temperatures during early development in temperate climate. We show that allelic variation of subunit M of NADH-dehydrogenase-like (NDH…
View article: Catechol acetylglucose: A newly identified benzoxazinoid-regulated defensive metabolite in maize
Catechol acetylglucose: A newly identified benzoxazinoid-regulated defensive metabolite in maize Open
An enormous diversity of specialized metabolites is produced in the plant kingdom, with each individual plant synthesizing thousands of these compounds. Previous research showed that benzoxazinoids, the most abundant class of specialized m…
View article: Expanding the<i>BonnMu</i>sequence-indexed repository of transposon induced maize (<i>Zea mays</i>L.) mutations in dent and flint germplasm
Expanding the<i>BonnMu</i>sequence-indexed repository of transposon induced maize (<i>Zea mays</i>L.) mutations in dent and flint germplasm Open
The BonnMu resource is a transposon-tagged mutant collection designed for functional genomics studies in maize. To expand this resource, we crossed an active Mutator ( Mu ) line with dent (B73, Co125) and flint (DK105, EP1 and F7) germplas…
View article: Bacterium-enabled transient gene activation by artificial transcription factors for resolving gene regulation in maize
Bacterium-enabled transient gene activation by artificial transcription factors for resolving gene regulation in maize Open
Understanding gene regulatory networks is essential to elucidate developmental processes and environmental responses. Here, we studied regulation of a maize (Zea mays) transcription factor gene using designer transcription activator-like e…
View article: Heritable microbiome variation is correlated with source environment in locally adapted maize varieties
Heritable microbiome variation is correlated with source environment in locally adapted maize varieties Open
Beneficial interactions with microorganisms are pivotal for crop performance and resilience. However, it remains unclear how heritable the microbiome is with respect to the host plant genotype and to what extent host genetic mechanisms can…
View article: Heritable microbiome variation is correlated with source environment in locally adapted maize varieties
Heritable microbiome variation is correlated with source environment in locally adapted maize varieties Open
Beneficial interactions with microorganisms are pivotal for crop performance and resilience. However, it remains unclear how heritable the microbiome is with respect to the host plant genotype and to what extent host genetic mechanisms can…
View article: MuWU: Mutant-seq library analysis and annotation
MuWU: Mutant-seq library analysis and annotation Open
Motivation Insertional mutagenesis allows for the creation of loss-of-function mutations on a genome-wide scale. In theory, every gene can be ‘knocked out’ via the insertion of an additional DNA sequence. Resources of sequence-indexed muta…
View article: Experimental platforms for the investigation of spatiotemporal patterns in the rhizosphere—Laboratory and field scale
Experimental platforms for the investigation of spatiotemporal patterns in the rhizosphere—Laboratory and field scale Open
The numerous feedback loops between roots, microorganisms, soil chemical and physical properties, and environmental variables result in spatial parameter patterns which are highly dynamic in time. In order to improve our understanding of t…
View article: <i>BonnMu</i>: A Sequence-Indexed Resource of Transposon-Induced Maize Mutations for Functional Genomics Studies
<i>BonnMu</i>: A Sequence-Indexed Resource of Transposon-Induced Maize Mutations for Functional Genomics Studies Open
Sequence-indexed insertional libraries in maize (Zea mays) are fundamental resources for functional genetics studies. Here, we constructed a Mutator (Mu) insertional library in the B73 inbred background designated BonnMu A total of 1,152 M…
View article: Proteomics of Maize Root Development
Proteomics of Maize Root Development Open
Maize forms a complex root system with structurally and functionally diverse root types that are formed at different developmental stages to extract water and mineral nutrients from soil. In recent years proteomics has been intensively app…
View article: European Flint reference sequences complement the maize pan-genome
European Flint reference sequences complement the maize pan-genome Open
The genomic diversity of maize is reflected by a large number of SNPs and substantial structural variation. Here, we report the de novo assembly of two European Flint maize lines to remedy the scarcity of sequence resources for the Flint p…
View article: Stability of Single-Parent Gene Expression Complementation in Maize Hybrids upon Water Deficit Stress
Stability of Single-Parent Gene Expression Complementation in Maize Hybrids upon Water Deficit Stress Open
Heterosis is the superior performance of F1 hybrids compared with their homozygous, genetically distinct parents. In this study, we monitored the transcriptomic divergence of the maize (Zea mays) inbred lines B73 and Mo17 and their recipro…
View article: Characterization of maize roothairless6 which encodes a D-type cellulose synthase and controls the switch from bulge formation to tip growth
Characterization of maize roothairless6 which encodes a D-type cellulose synthase and controls the switch from bulge formation to tip growth Open
Root hairs are tubular extensions of the epidermis. Root hairs of the monogenic recessive maize mutant roothairless 6 (rth6 ) are arrested after bulge formation during the transition to tip growth and display a rough cell surface. BSR-Seq …
View article: Nonsyntenic genes drive tissue-specific dynamics of differential, nonadditive and allelic expression patterns in maize hybrids
Nonsyntenic genes drive tissue-specific dynamics of differential, nonadditive and allelic expression patterns in maize hybrids Open
Distantly related maize (Zea mays) inbred lines display an exceptional degree of genomic diversity. F1 progeny of such inbred lines are often more vigorous than their parents, a phenomenon known as heterosis. In this study, we investigated…
View article: Root Type-Specific Reprogramming of Maize Pericycle Transcriptomes by Local High Nitrate Results in Disparate Lateral Root Branching Patterns
Root Type-Specific Reprogramming of Maize Pericycle Transcriptomes by Local High Nitrate Results in Disparate Lateral Root Branching Patterns Open
The adaptability of root system architecture to unevenly distributed mineral nutrients in soil is a key determinant of plant performance. The molecular mechanisms underlying nitrate dependent plasticity of lateral root branching across the…
View article: Conserved and unique features of the homeologous maize Aux/IAA proteins ROOTLESS WITH UNDETECTABLE MERISTEM 1 and RUM1-like 1
Conserved and unique features of the homeologous maize Aux/IAA proteins ROOTLESS WITH UNDETECTABLE MERISTEM 1 and RUM1-like 1 Open
The maize (Zea mays L.) Aux/IAA protein RUM1 (ROOTLESS WITH UNDETECTABLE MERISTEM 1) is a key regulator of lateral and seminal root formation. An ancient maize genome duplication resulted in the emergence of its homeolog rum1-like1 (rul1),…
View article: Transcriptomic and anatomical complexity of primary, seminal, and crown roots highlight root type-specific functional diversity in maize (<i>Zea mays</i>L.)
Transcriptomic and anatomical complexity of primary, seminal, and crown roots highlight root type-specific functional diversity in maize (<i>Zea mays</i>L.) Open
Maize develops a complex root system composed of embryonic and post-embryonic roots. Spatio-temporal differences in the formation of these root types imply specific functions during maize development. A comparative transcriptomic study of …
View article: Extensive tissue-specific transcriptomic plasticity in maize primary roots upon water deficit
Extensive tissue-specific transcriptomic plasticity in maize primary roots upon water deficit Open
Water deficit is the most important environmental constraint severely limiting global crop growth and productivity. This study investigated early transcriptome changes in maize (Zea mays L.) primary root tissues in response to moderate wat…
View article: A High-Resolution Tissue-Specific Proteome and Phosphoproteome Atlas of Maize Primary Roots Reveals Functional Gradients along the Root Axes
A High-Resolution Tissue-Specific Proteome and Phosphoproteome Atlas of Maize Primary Roots Reveals Functional Gradients along the Root Axes Open
A high-resolution proteome and phosphoproteome atlas of four maize (Zea mays) primary root tissues, the cortex, stele, meristematic zone, and elongation zone, was generated. High-performance liquid chromatography coupled with tandem mass s…