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Plants show a remarkable plasticity to adapt their root architecture to biotic and abiotic constraints of the soil environment. Although some of these modifications are fine-tuned by miRNAs, there are still shadow zones in these regulations. In the model legume Medicago truncatula, we analyzed the ...
ORGANISM(S): Medicago truncatula 
Gene duplication, accompanied by modification of the expression and/or function of one of the duplicates under the action of positive selection, followed by further duplication to produce multigene families of toxins is a well-documented process in venomous animals. This evolutionary model has been ...
ORGANISM(S): Leptopilina boulardi Leptopilina heterotoma 
2023-06-09 | PXD041695 | Pride
The core-promoter, a stretch of DNA surrounding the transcription-start-site (TSS), is a major integration-point for regulatory-signals controlling gene-transcription. Cellular-differentiation is marked by divergence in transcriptional-repertoire and cell- cycling behaviour between cells of differen...
ORGANISM(S): Danio rerio 
DNA methylation is essential for silencing transposable elements and some genes in higher eukaryotes, implying that this modification must be tightly controlled. However, accidental changes in DNA methylation can be transmitted through mitosis, as in cancer, or meiosis, leading to epiallelic variati...
ORGANISM(S): Arabidopsis thaliana 
Trans-acting siRNAs (tasiRNAs) negatively regulate target transcripts and are characterized by siRNAs spaced in 21-nucleotide 'phased' intervals. TasiRNAs have not been extensively described in many plant species. We identified dozens of new miRNAs in Medicago and soybean and confirmed 119 Medicago ...
ORGANISM(S): Arachis hypogaea 
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