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[Analysis of horizontal transfer gene of Bombyx mori NPV]

Hai-Rong Duan1, De-Bin Qiu, Cheng-Liang Gong

  • 1Center for Systems Biology of Soochow University, Suzhou 215006, China. melissa.duan@hotmail.com

Yi Chuan = Hereditas
|June 21, 2011
PubMed

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Genetic transfer occurs when genetic information is passed from one organism to another. It occurs via two mechanisms: vertical gene transfer and horizontal gene transfer. Vertical gene transfer occurs when genetic information is transferred from one generation to the next, which happens much more frequently than horizontal gene transfer. Both sexual and asexual reproduction are forms of vertical gene transfer, where one or more organisms pass some or all of their genome onto their progeny.
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Exon Recombination

The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes. 
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