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A Straightforward Method for Glucosinolate Extraction and Analysis with High-pressure Liquid Chromatography (HPLC)
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A new alpha-methylanthraquinone glucoside from Emex spinosus

Usama W Hawas1, Mohamed A El-Ansari, Hartmut Laatsch

  • 1Phytochemistry and Plant Systematics Department, NRC, Dokki, Cairo, Egypt.

Natural Product Research
|June 7, 2006
PubMed

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Exon Recombination02:32

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. 
Exon shuffling follows “splice frame rules.” Each exon has three reading...