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The evolution of larval head morphology in holometabolous insects is characterized by reduction of antennal appendages and the visual system components. Little insight has been gained into molecular developmental changes underlying this morphological diversification. Here we compare the expression of the segment polarity gene wingless (wg) in the pregnathal(More)
The early retinal genes dachshund (dac), eyes absent (eya) and sine oculis (so) are key regulators of adult eye development in Drosophila. Expression data implicate homologs of all three transcription factor genes in vertebrate eye development. However, functional confirmation has thus far only been reported for so homologs. We therefore investigated(More)
The Pax6 genes eyeless (ey) and twin of eyeless (toy) are upstream regulators in the retinal determination gene network (RDGN), which instructs the formation of the adult eye primordium in Drosophila. Most animals possess a singleton Pax6 ortholog, but the dependence of eye development on Pax6 is widely conserved. A rare exception is given by the larval(More)
MicroRNAs (miRNAs) are a class of endogenous, noncoding, short RNAs directly involved in regulating gene expression at the posttranscriptional level. High conservation of miRNAs in plant provides the foundation for identification of new miRNAs in other plant species through homology alignment. Here, previous known plant miRNAs were BLASTed against the(More)
A portable electrochemical sensor has been developed for determination of tricresyl phosphate (TCP) in gas phase. An alkaline catalyst column was used in an automatic TCP sampling system where gasified TCP was hydrolysed to cresol, making it electrochemically detectable. Hydrolysates were then detected in the flow injection analysis (FIA). Amperometric(More)
  • Xiaoyun Yang, Lennert Steukers, Katrien Forier, Ranhua Xiong, Kevin Braeckmans, Kristien Van Reeth +2 others
  • 2014
Swine influenza virus (SIV) has a strong tropism for pig respiratory mucosa, which consists of a mucus layer, epithelium, basement membrane and lamina propria. Sialic acids present on the epithelial surface have long been considered to be determinants of influenza virus tropism. However, mucus which is also rich in sialic acids may serve as the first(More)
We introduce Erosion Band Signatures (EBS), which are a codification of the spatial coherence of features extracted from a region. This coherence is often lost in traditional global and local feature extraction methods, thereby diminishing a feature’s discriminative strength. The erosion band signature is generated through iterative erosions of the region(More)
Keywords: Electrode fouling Phenolic compounds Potential drop Modeling analysis Potential–current relationship a b s t r a c t During the electrochemical analysis or disposal of most of phenolic compounds, insulated polymeric substrates are created and cover the electrode surface. This can cause the signal current to decay over time, which is called(More)
BACKGROUND Deceleration capacity (DC) is a newly found predictor of mortality after myocardial infarction. Age-, gender-, and circadian rhythm-related differences in DC may limit its predictive value, which should be considered in clinical settings. METHODS DC, average heart rate, and HRV parameters, including 24 hours, awaking state (15:00-20:00) and(More)