H. Weber

Publications99
h-index50
Citations10,038
Highly Influential Citations560
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Differential Gene Expression in Response to Mechanical Wounding and Insect Feeding in Arabidopsis
TLDR
A feeding strategy of P. rapae is revealed that may minimize the activation of a subset of water stress–inducible, defense-related genes that contribute to tissue defense and repair. Expand
Auxin response factors ARF6 and ARF8 promote jasmonic acid production and flower maturation
TLDR
Arf6 and arf8 single mutants and sesquimutants had delayed stamen development and decreased fecundity, indicating that ARF6 and ARF8 gene dosage affects timing of flower maturation quantitatively. Expand
Molecular physiology of legume seed development.
TLDR
Transgenic legumes with changed metabolic pathways and seed composition provide suitable models to study pathway regulation and metabolic control and desirable improvements of seed quality and yield may be achieved. Expand
Plant defense in the absence of jasmonic acid: The role of cyclopentenones
TLDR
It is concluded that the jasmonate family cyclopentenone OPDA regulates gene expression in concert with JA to fine-tune the expression of defense genes. Expand
Sucrose transport into barley seeds: molecular characterization of two transporters and implications for seed development and starch accumulation.
TLDR
The rapid induction of HvSUT1 gene expression in caryopses at approximately 5-6 days after fertilization coincides with increasing levels of sucrose as well as sucrose synthase mRNA and activity, and occurs immediately before the onset of rapid starch accumulation within the endosperm. Expand
The role of invertases and hexose transporters in controlling sugar ratios in maternal and filial tissues of barley caryopses during early development.
TLDR
The temporal and spatial association of HvCWINV1 and HvSTP1 expression indicates that hexoses liberated by the invertase within the endospermal cavity are taken up by the transporter to be delivered into the central uncellularised space of theendosperm to supply mitotically active endosperm cells with hexoses. Expand
Dinor-oxo-phytodienoic acid: a new hexadecanoid signal in the jasmonate family.
TLDR
Treatment of Arabidopsis with micromolar levels of dinor-oxo-phytodienoic acid increased the ability of leaf extracts to transform linoleic acid into the alpha-ketol 13-hydroxy-12-Oxo-9(Z) octadecenoic acid indicating that the compound can regulate part of its own biosynthetic pathway. Expand
Selective and powerful stress gene expression in Arabidopsis in response to malondialdehyde.
TLDR
Genetic confirmation of the hypothesis that MDA originates from fatty acids containing more than two methylene-linked double bonds is provided, showing that tri-unsaturated fatty acids are the in vivo source of up to 75% of MDA. Expand
A role for sugar transporters during seed development: molecular characterization of a hexose and a sucrose carrier in fava bean seeds.
TLDR
Feeding high concentrations of sugars suppressed both VfSUT1 expression and transfer cell differentiation in vitro, suggesting a control by carbohydrate availability. Expand
Fatty acid-derived signals in plants.
  • H. Weber
  • Biology, Medicine
  • Trends in plant science
  • 1 May 2002
TLDR
The jasmonate biosynthesis mutant opr3 allowed the dissection of cyclopentanone and Cyclopentenone signalling, thus defining specific roles for these molecules. Expand
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