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Worried About Air Pollution? Don't Hide Indoors: Scientific American Podcast
Showcasing more than fifty of the most provocative, original, and significant online essays from 2011, The Best Science Writing Online 2012 will change the way... Read More » You need to get out more. Whether it's smog or tiny particles of pollution , Americans face the bulk of their health risks from bad air inside. Why? We spend most of our time indoors.
Emerging diversity within chrysophytes, choanoflagel... [Protist. 2011] - PubMed - NCBI
Departament de Biologia Marina i Oceanografia, Institut de Ciències del Mar, CSIC. Passeig Marítim de la Barceloneta, 37-49, 08003 Barcelona, Catalonia, Spain. jdelcampo@icm.cat In recent years, a substantial amount of data on aquatic protists has been obtained from culture-independent molecular approaches, unveiling a large diversity and the existence of new lineages. However, sequences affiliated with minor groups (in terms of clonal abundance) have often been under-analyzed, and this hides a potentially relevant source of phylogenetic information. Here we have searched public databases for 18S rDNA sequences of chrysophytes, choanoflagellates and bicosoecids retrieved from molecular surveys of protists.
WELCOME TO THE INTERNATIONAL CONFERENCE ON THE HEALTH IMPACT AND FUTURE POTENTIAL OF BENEFICIAL MICROBES!
It's with great pleasure that we announce the upcoming 3rd TNO Beneficial Microbes Conference , to be held in Noordwijkerhout, the Netherlands, on 26-28 March 2012. The microbiota in the gastro-intestinal tract of man and animals has been shown to be important for health and disease. Moreover, over the past decades the benefit of probiotics has been shown in various areas such as allergy, inflammatory disease, competitive exclusion of pathogens, stool habit, etc. Furthermore, probiotics and prebiotics are used in infant formula to direct the development of the endogenous microbiota. For probiotics, an interaction with the mucosal immune system seems the major mechanism by which these beneficial microbes exert their benefit to the host. Numerous hypotheses on how they might work have been postulated.
Human Microbiomics Live News (102)
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Microbiome
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In the spirit of Joshua Lederberg’s advocacy for examining host-microbe relationships from an ecological perspective, this chapter depicts a variety of host-microbe-environment interactions as dynamic equilibria. These include the range of microbial communities that comprise the human microbiota, the taxonomically simple but genetically complex microbial communities known as bio-films, and examples of symbiotic relationships between bacteria and eukaryotes that enable plants to acquire nutrients through their roots and allow the Hawaiian bobtail squid to elude aquatic predators. In the chapter’s first paper, speaker David Relman of Stanford University describes efforts under way in his laboratory to understand the role of indigenous microbial communities associated with human health, disease, and the transition between these states.
GROMACS Tutorials
These tutorials are designed as introductory material into using the GROMACS simulation package. GROMACS is open-source software, and has consistently been one of the fastest (if not the fastest) molecular dynamics codes available. There are currently six tutorials available: The first is a simple system, lysozyme in water with ions.
Genetics Practice Problems You may type in your own answers, then check to see if you were right. If you’re totally stumped, you can tell the computer to show you the answer to a particular question. In humans, brown eyes (B) are dominant over blue (b)*. A brown-eyed man marries a blue-eyed woman and they have three children, two of whom are brown-eyed and one of whom is blue-eyed. Draw the Punnett square that illustrates this marriage.
Genetics Practice Problems
How Small is Small » Lawrence Hall of Science - 24/7 Science
Which are smaller—red blood cells or bacteria? Which is thinner—a strand of hair or a grain of pollen? Size up some supersmall stuff, and put microscope photos of real, tiny objects in order from smallest to biggest. What is an SEM? Nano Puzzle Virus WorkerAn Engineered Microbial Platform for Direct Biofuel Production from Brown Macroalgae
↵ ‡ Present address: Laboratoire de Biochimie et Physiologie Moléculaire des Plantes, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5004, Institut de Biologie Intégrative des Plantes, F-34730 Montpellier cedex 2, France. Prospecting macroalgae (seaweeds) as feedstocks for bioconversion into biofuels and commodity chemical compounds is limited primarily by the availability of tractable microorganisms that can metabolize alginate polysaccharides. Here, we present the discovery of a 36–kilo–base pair DNA fragment from Vibrio splendidus encoding enzymes for alginate transport and metabolism. The genomic integration of this ensemble, together with an engineered system for extracellular alginate depolymerization, generated a microbial platform that can simultaneously degrade, uptake, and metabolize alginate.