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A mutant of Arabidopsis that accumulates a high level of red pigments within the seed coat has been isolated from a population of T-DNA-transformed plants. Genetic analysis revealed that the mutation is recessive and affects maternal seed tissues only. Due to the color of the immature seeds, this mutation was named banyuls (ban). Pigments accumulated(More)
The floor plate is an organising centre that controls neural differentiation and axonogenesis in the neural tube. The axon guidance molecule Netrin1 is expressed in the floor plate of zebrafish embryos. To elucidate the regulatory mechanisms underlying expression in the floor plate, we scanned the netrin1 locus for regulatory regions and identified an(More)
The EMB 506 gene of Arabidopsis, required for the normal development of the embryo beyond the globular stage, has been cloned. The gene encodes a protein of predicted size 35 kDa that contains five ankyrin (ANK) repeats within the C terminal moiety. ANK repeats are conserved domains of 33 amino acids involved in specific recognition of protein partners. The(More)
In order to assess the importance of morphogenesis on the induction of promoter markers for storage and Lea programmes, advantage was taken of the emb mutations producing embryos arrested at a wide range of developmental stages in Arabidopsis. These embryos are viable during their stage of developmental arrest and continue to divide further, but apparently(More)
In zebrafish, development of the ventral neural tube depends on the Nodal-related signal Cyclops (Cyc). One-day-old cyc mutant embryos lack the medial floor plate (MFP). We show here that cells expressing MFP marker genes differentiate gradually in cyc mutant embryos in a delayed manner during the second day of development. This late differentiation is(More)
Type 2 diabetes (T2DM) and cardiovascular disease (CVD) are rising dramatically in adolescents in parallel with excess weight. The Banishing Obesity and Diabetes in Youth (BODY) Project, is a school-based intervention that medically screens overweight and obese high school students, provides personalized feedback, and connects to appropriate healthcare.(More)
The fabrication of micro-components for far infrared applications such as spatial interferometry implies the realization of single-mode waveguides being able to work in the infrared region. One of the key issues in case of buried waveguides is the selection of materials for core layer and superstrate. Amorphous telluride films are particularly interesting(More)
A temperature-dependent structural investigation of the substituted argyrodite Ag(7)GeSe(5)I has been carried out on a single crystal from 15 to 475 K, in steps of 50 K, and correlated to its conductivity properties. The argyrodite crystallizes in a cubic cell with the F\bar 43m space group. The crystal structure exhibits high static and dynamic disorder(More)
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