Tag: genome
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Mapping the genome. The illusion of “dimensions”…
Cells face a daunting task. They have to neatly pack a several meter-long thread of genetic material into a nucleus that measures only five micrometers across. This origami creates spatial interactions between genes and their switches, which can affect human health and disease. Now, an international team of scientists has devised a powerful new technique…
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Evolution, species, oversimplification & the death of Occam...
Evolution does not necessarily form species. ("species" based on the 'similar genes' definition) (1) This applies to Meiofauna and probably to other large-populated organisms like bacteria. Latest theories have found that not even human cells within the same brain have the same genome. (2) And the same applies for the gens into our body. (3)…
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Brain, body, DNA, "uniqueness"...
It was once thought that each cell in a person's body possesses the same DNA code and that the particular way the genome is read imparts cell function and defines the individual. For many cell types in our bodies, however, that is an oversimplification. Studies of neuronal genomes published in the past decade have turned…
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Pines, humans, genome...
Deciphering the genome of the loblolly pine is a tall order, as is perhaps fitting for a tree that can grow to be 30 meters in height. Researchers sequenced the conifer’s (Pinus taeda) approximately 24 billion bases of DNA, Steven Salzberg of Johns Hopkins University reported May 10. That surpasses the previous record holder, wheat,…
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