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Drosophila sechellia : ウィキペディア英語版 | Drosophila sechellia
''Drosophila sechellia'' is a species of fruit fly, used in lab studies of speciation because can mate with ''Drosophila simulans''. ''Drosophila sechellia'' is endemic to (some of) the Seychelles, and was one of 12 fruit fly genomes sequenced for a large comparative study. == Drosophila sechellia and Morinda fruit ==
Drosophila sechellia are known to preferentially lay eggs on toxic Morinda fruits. Research has shown that a mutation in the gene that inhibits egg production is associated with a reduction in L-DOPA; L-DOPA is a precursor of the fertility-regulating hormone dopamine. Morinda fruits are rich in L-DOPA, owing to their usually insecticidal capacities. Drosophila sechellia fertility is reliant on the L-DOPA found in Morinda fruit, and as a result Drosophila sechellia reproduces solely on these toxic fruits.〔http://www.mpg.de/8796707/fruit-flies-noni-fruit〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Drosophila sechellia」の詳細全文を読む
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