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  • brewer's yeast
  • Our study has demonstrated that carbon nanotubes have great potential to improve the flocculation capacity of brewer's yeast. (scielo.org.za)
  • Carbon nanotubes (CNTs), which are widely used for catalysis, either as catalysts themselves, or as a catalyst support, 4 were tested in this work as possible flocculation surfaces to immobilise brewer's yeast. (scielo.org.za)
  • Ideker's research team recently developed what they call a "visible" neural network and used it to build DCell, a model of a functioning brewer's yeast cell, commonly used as a model in basic research. (ucsd.edu)
  • FERMENTATION
  • Engineered yeast cells can produce all these and much more in a fermentation using renewable feedstocks… We hope that scientists from both academy and industry will enjoy reading these mini-reviews and will find them useful and inspiring. (fems-microbiology.org)
  • The focus of this study was to investigate the immobilisation of yeast cells onto carbon nanotubes, using a flocculation method, for possible use in fermentation processes. (scielo.org.za)
  • The cell aggregates then rapidly settle from the medium in which they are suspended because of their increased mass. 3 A typical example is the yeast cells flocculation that occurs at the end of a fermentation process in the stationary phase, where the flocculated cells either sink to the bottom of the fermenter or rise to the surface attached to carbon dioxide bubbles. (scielo.org.za)
  • spores
  • The research team designed a new method that is several hundred times faster and is based on the following principles: First, two DNA sequences are added to the cells: A short sequence, called a barcode, that labels spores that come from the same tetrad and additionally a GFP (Green Fluorescent Protein) reporter gene. (bio-medicine.org)
  • When yeast cells reproduce, they undergo a special type of cell division called meiosis, which produces spores. (healthcanal.com)
  • commonly
  • The formation of the mating projection causes the cell to become pear shaped, a form commonly called a "shmoo," and the tip comes into contact with its partner cell, forming the zone of cell fusion. (genetics.org)
  • induces
  • The key finding of this paper is that the antidepressant sertraline/Zoloft accumulates within an organism lacking serotonin and induces autophagy, which is a protective mechanism cells use to recycle excess or damaged cell membrane. (princeton.edu)
  • Overexpression
  • Overexpression of a yeast prion protein prevents cells from undergoing mitosis by sequestering a key spindle pole body component, Treusch and Lindquist report. (rupress.org)
  • C-terminal truncations of Fus2p cause mislocalization and fusion defects, which are suppressed by overexpression of Kel1p , a kelch-domain protein of unknown function previously implicated in cell fusion. (genetics.org)
  • Although Kel1p overexpression suppresses a Cdc42p mutant that is defective for Fus2p binding, cell fusion remains dependent upon Fus2p . (genetics.org)
  • Biology
  • This is an introductory survey of cell and developmental biology. (nottingham.ac.uk)
  • Explore the range of MiniReviews from leaders in the field and discover recent advances in metabolic engineering and the synthetic biology of yeast. (fems-microbiology.org)
  • Researchers at the Institute for Systems Biology in Seattle (USA) and the Luxembourg Centre for Systems Biomedicine (LCSB) at the University of Luxembourg have jointly developed a revolutionary method to analyse the genomes of yeast families. (bio-medicine.org)
  • If the human cell lifespan is controlled in a similar way, it could offer a new approach to rejuvenating human cells or creating pluripotent stem cells, says Angelika Amon, professor of biology and senior author of a paper describing the work in the June 24 issue of the journal Science . (healthcanal.com)
  • To do this, they amassed all knowledge of cell biology in one place and created a hierarchy of these cellular components. (ucsd.edu)
  • Then they will determine how best to personalize this virtual cell approach for a patient's unique biology. (ucsd.edu)
  • researchers
  • To showcase the current developments in this emerging field from key leaders and researchers, we are delighted to announce a new Thematic Issue on Yeast Cell Factories from FEMS Yeast Research . (fems-microbiology.org)
  • Princeton University researchers have observed a self-degradation response to the antidepressant Zoloft in yeast cells that could help provide new answers to lingering questions among scientists about how antidepressants work, as well as support the idea that depression is not solely linked to the neurotransmitter serotonin. (princeton.edu)
  • Princeton University researchers observed a self-degradation response to the antidepressant Zoloft in yeast cells that could help provide new answers to lingering questions about how antidepressants work. (princeton.edu)
  • If, however, the membrane curvature the researchers found has therapeutic significance in treating depression, then the cell membrane could present an additional target for next-generation antidepressants. (princeton.edu)
  • Family trees for yeast cells ( Researchers at the Institute for Sys. (bio-medicine.org)
  • Screenshot from d-cell.ucsd.edu , where researchers can use DCell, a new virtual yeast cell developed at UC San Diego School of Medicine. (ucsd.edu)
  • But if the researchers instead wired ribosomes to an unrelated process like apoptosis, a system cells use to commit suicide, DCell could no longer predict cell growth. (ucsd.edu)
  • sensitivity
  • It is concluded that fractal analysis can be a high sensitivity tool for relative comparison of cell structure but that additional diffusion measurements are necessary for determining the optimal image resolution. (spie.org)
  • organism
  • More immediately, Perlstein said, the activity of the drug in a serotonin-free organism supports existing research suggesting that depression might also be linked to diminished secretions of brain-derived neurotrophic factor (BDNF), a protein that regulates brain-cell growth. (princeton.edu)
  • plasmid
  • Besides circular DNA, linear plasmid DNA was also taken up by Cs+-treated yeast cells, although the uptake efficiency was considerably reduced. (asm.org)
  • efficiency
  • Here, we describe a novel flow cytometric approach that is able to quickly both identify mating pairs within a mixture of gametes and quantify cell fusion efficiency. (sigmaaldrich.com)
  • structures
  • Misfolded Rnq1 molecules assemble into large, insoluble amyloid fibers, but these structures actually protect cells by removing from the cytoplasm smaller, soluble [ RNQ + ] oligomers that are thought to cause cell death. (rupress.org)
  • Immobilisation often mimics what occurs in nature when cells grow on surfaces or within natural structures. (scielo.org.za)
  • sugars
  • All yeasts flourish in the presence of sugars and obtain food by direct absorption of nutrients. (microscopyu.com)
  • Disaggregation of flocs occurs if the cells are again exposed to a source of fermentable sugars. (scielo.org.za)
  • arrest
  • The results of the cascade are the activation of mating-specific genes, cell-cycle arrest, and polarized growth along the pheromone gradient toward the mating partner. (genetics.org)
  • mechanism
  • In this podcast, Professor Roberts from the School of Biosciences discusses his research into the mechanism responsible for regulating cell separation in plants. (nottingham.ac.uk)
  • These techniques can be divided into four major categories based on the physical mechanism at play in bringing about the immobilisation of the cells. (scielo.org.za)
  • biological
  • Steady state laser light propagation in diffuse media such as biological cells generally provide bulk parameter information, such as the mean free path and absorption, via the transmission profile. (spie.org)
  • Our findings suggest that the transcriptional oscillator in yeast belongs to a new class of biological oscillators. (pubmedcentralcanada.ca)
  • nutrients
  • Ppk31 is an ortholog of Rim15 , a conserved kinase controlling cell proliferation in response to nutrients, while SPBC409.08 is a predicted spermine transmembrane transporter. (genetics.org)
  • produce
  • FUS1 , FUS2 , and PRM1 are all pheromone-induced genes and are required in at least one of two mating cells to produce a diploid. (genetics.org)
  • The results show that mating pair counts using both methods produce indistinguishable outcomes and that the flow cytometry-based method provides quantitative relevant information in a short time, making possible to quickly analyze many different cell populations. (sigmaaldrich.com)
  • rise
  • The spatial intensity correlation revealed that the higher cell packing gives rise to higher refractive index. (spie.org)
  • found
  • Treusch and Lindquist found that yeast overexpressing Rnq1 in the presence of [ RNQ + ] arrested in mitosis. (rupress.org)
  • The porous glass as well as the yeast random spatial data series fractal dimension was found to depend on the imaging resolution. (spie.org)
  • human
  • Ideker and his colleagues at the Cancer Cell Map Initiative, which he co-directs, are now generating some of the experimental data they need to build a DCell for human cancer. (ucsd.edu)
  • mating types
  • Theoretically, you could purify a-factor from a-cell conditioned media, but switching mating types would be much easier. (bio.net)
  • single
  • The fungus consists of single vegetative cells. (pond5.com)
  • In this case, the re-adsorption of a single cell mode affords an unimpeded opportunity to utilise the supply of sugar. (scielo.org.za)
  • portions
  • Extrapolations of the slow rate portions of such curves from cells preloaded for successively longer periods of time provided a measure of sorbose influx into an intracell compartment an influx which occurred at a slower rate than total cell influx. (dtic.mil)
  • important
  • The yeast has also been an important tool in scientific research. (microscopyu.com)
  • These engineered yeasts have become an increasingly important commercial workhorse for modern society. (fems-microbiology.org)
  • After an additional sequential fixation with 1% tannic acid and 0.5% uranyl acetate the cell shrinkage was significantly reduced, but the most important result was a considerable reduction of wrinkling and deformation of the yeast cells. (nih.gov)
  • method
  • In conclusion, our data show multicolor flow cytometry-based fusion quantitation to be a fast, robust, and reliable method to quantify the cell-cell fusion in yeast. (sigmaaldrich.com)
  • Justin May I refer you to a paper entitled 'A rapid and reliable DNA preparation method for screening a large number of yeast clones by PCR' by Mingfu Ling et al. (bio.net)
  • process
  • Twenty minutes after Zoloft treatment, a cell vacuole (E) exhibits an unknown, active swirl of membrane growth not seen in the untreated cells that could be part of the final degradation process. (princeton.edu)
  • growth
  • Modestly increasing Spc42 levels was sufficient to restore normal growth to Rnq1-overexpressing yeast. (rupress.org)
  • similar
  • A calibration sample system that behaves similar as the yeast samples in fractal dimension, spatial intensity correlation and diffusion was selected. (spie.org)