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Title : Evolutionary Tree: Humans May Have Evolved With Plant Genes, Study Claims
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Evolutionary Tree: Humans May Have Evolved With Plant Genes, Study Claims

Humans they may have evolved genes of plants, fungi ymicroorganismos, according to a consensus desafianteestudio Cambridge University.

The study of the literal roots of humanity is based on, and to some extent confirms the results of an investigation in 2001 whether humans might have acquired plant DNA.

He was heavily criticized at the time for being too weeds.

Now it is accepted in some quarters that up to one percent of our genome could have originated in plants through horizontal gene transfer, or HGT, a complex process in which particular bacteria transfer information on the DNA.


Research suggests that humans, like some other species, conducted the DNA of organisms that lived in their midst surroundings environment rather than get through the process much more linear breeding and descent.

In a statement on the website of the University of Cambridge, Dr. Alistair brittle, lead author of the project carried out by the Department of Chemical Engineering and Biotechnology, said: " This is the first study to show how widely horizontal gene transfer occurs in animals, including humans, resulting in tens or hundreds of "foreign" genes active. "

" Surprisingly, far from being a rare occurrence, it seems that this has contributed to the evolution of many, perhaps all, animals and the process is ongoing. we need to reevaluate the way we think about evolution. "


In an article for the journal Genome Biology published on Friday, the report's authors explain in more detail:

" HGT occurs in low but significant levels in all animal species examined; that has occurred over time and continues to occur; that originates mainly from bacteria and protists; and the frequency code for enzyme activities genes concerned. "

" Interestingly, the overall levels of HGT not speak visibly different in vertebrates and invertebrates. This is surprising considering the complexity difference between the groups, but can be explained by the higher HGT observed in primates, suggesting that the HGT vertebrates may have occurred at an earlier stage of evolution of vertebrates. "

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