D.-J. Dijk results 28
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Penalized factorial regression as a flexible and computationally attractive reaction norm model for prediction in the presence of GxENARA Subscribed
Key message Penalized factorial regression offers a computationally attractive alternative to kernel and deep learning methods for prediction of genotype by environment interactions. For two representative data sets on wheat and maize, prediction accuracies were comparable, while computing requirements and time were clearly lower. Abstract A longstanding challenge in plant breeding and genetics is the prediction of yield for n...
Key message A highly specialized function for individual LTPs for different products from the same terpenoid biosynthesis pathway is described and the function of an LTP GPI anchor is studied. Abstract Sequiterpenes produced in glandular trichomes of the medicinal plant Tanacetum parthenium (feverfew) accumulate in the subcuticular extracellular space. Transport of these compounds over the plasma membrane is presumably by spec...
Transcriptional Feedback in Plant Growth and Defense by PIFs, BZR1, HY5, and MYC Transcription FactorsNARA Subscribed
Growth of Arabidopsis is controlled by the activity of a set of bHLH and bZIP transcription factors of which phytochrome interacting factor4 ( PIF4) , BRASSINAZOLE-RESISTANT 1 ( BZR1 ), and elongated hypocotyl 5 ( HY5) have been most extensively studied. Defense responses are controlled by a set of MYC transcription factors of which MYC2 is best characterized. Moreover, hundreds of additional proteins (here named co-factors) h...
In this study, the effect of heterozygous germline mutations in the heparan sulfate (HS) glycosaminoglycan chain co-polymerases EXT1 and EXT2 on glomerular barrier function and the endothelial glycocalyx in humans is investigated. Heparan sulfate (HS) glycosaminoglycans are deemed essential to the glomerular filtration barrier, including the glomerular endothelial glycocalyx. Animal studies have shown that loss of HS results i...
Wet deposition of nitrogen (N) occurs in oxidized (nitrate) and reduced (ammonium) forms. Whether one form drives vegetation change more than the other is widely debated, as field evidence has been lacking. We are manipulating N form in wet deposition to an ombrotrophic bog, Whim (Scottish Borders), and here report nine years of results. Ammonium and nitrate were provided in rainwater spray as NH 4 Cl or NaNO 3 at 8, 24 or 56...
Although the effects of atmospheric nitrogen deposition on species composition are relatively well known, the roles of the different forms of nitrogen, in particular gaseous ammonia ( NH 3 ), have not been tested in the field. Since 2002, we have manipulated the form of N deposition to an ombrotrophic bog, W him, on deep peat in southern S cotland, with low ambient N (wet + dry = 8 kg N ha −1 yr −1 ) and S (4 kg S ha −1 yr −1...
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