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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Modern wheat a "perfect, chronic poison," doctor says
And then there's this:
http://www.laboratoryequipment.com/n...tritious-fruit Watermelon Genome Unlocks Tastier, More Nutritious Fruit Wed, 11/28/2012 - 8:28am by Cornell Univ. Are juicier, sweeter and more disease-resistant watermelons on the way? An international consortium of more than 60 scientists from the U.S., China, and Europe has published the genome sequence of watermelon (Citrullus lanatus) — information that could dramatically accelerate watermelon breeding toward production of a more nutritious, tastier and more resistant fruit. The watermelon genome sequence was published in the online version of the journal Nature Genetics. The researchers discovered that a large portion of disease resistance genes were lost in the domestication of watermelon. With the high-quality watermelon sequence now complete, it is hoped that breeders can now use the information to recover some of these natural disease defenses. The authors reported that the genome of the domesticated watermelon contained 23,440 genes, roughly the same number of genes as in humans. The group compared the genomes of 20 different watermelons and developed a first-generation genetic variation map for watermelon. This information allowed them to identify genomic regions that have been under human selection, including those associated with fruit color, taste and size. “Watermelons are an important cash crop and among the top five most consumed fresh fruits; however, cultivated watermelons have a very narrow genetic base, which presents a major bottleneck to its breeding. Decoding the complete genome of the watermelon and resequencing watermelons from different subspecies provided a wealth of information and toolkits to facilitate research and breeding,” says Zhangjun Fei, a scientist at the Boyce Thompson Institute for Plant Research at Cornell Univ., and one of the leaders of this project. Fei worked with BTI scientists on different aspects of the research, including James Giovannoni, to generate the gene expression data through RNA-sequencing and Lukas Mueller to provide additional analysis to confirm the quality of the genome assembly. Fei also collaborated with Amnon Levi, a research geneticist at the USDA-ARS, U.S. Vegetable Laboratory, on genetic mapping and identifying candidate genes that might be useful to enhance disease resistance in watermelon. |
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