An ABC transporter controls export of a Drosophila germ cell attractant.
An ABC transporter controls export of a Drosophila germ cell attractant.
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DOI:
10.1126/science.1166239
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发表时间:
2009-02-13
期刊:
影响因子:
--
通讯作者:
Lehmann R
中科院分区:
文献类型:
--
作者:
Ricardo S;Lehmann R
Directed cell migration, which is critical for embryonic development, leukocyte trafficking, and cell metastasis, depends on chemoattraction. 3-hydroxy-3-methylglutaryl coenzyme A reductase regulates the production of an attractant forDrosophilagerm cells that may itself be geranylated. Chemoattractants are commonly secreted through a classical, signal peptide–dependent pathway, but a geranyl-modified attractant would require an alternative pathway. In budding yeast, pheromones produced by a-cells are farnesylated and secreted in a signal peptide–independent manner, requiring the adenosine triphosphate–binding cassette (ABC) transporter Ste6p. Here we show thatDrosophilagerm cell migration uses a similar pathway, demonstrating that invertebrate germ cells, like yeast cells, are attracted to lipid-modified peptides. Components of this unconventional export pathway are highly conserved, suggesting that this pathway may control the production of similarly modified chemoattractants in organisms ranging from yeast to humans.
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