Complex formation between stage-specific oocyte factors and a Xenopus mRNA localization element.
Complex formation between stage-specific oocyte factors and a Xenopus mRNA localization element.
复制标题
阶段特异性卵母细胞因子和非洲爪蟾 mRNA 定位元件之间的复合物形成。
DOI:
10.1073/pnas.93.25.14608
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发表时间:
1996
影响因子:
11.1
通讯作者:
Mowry,KL
中科院分区:
文献类型:
--
作者:
Mowry,KL
It is a long-standing proposal that localization of maternal factors in eggs can provide the basis for pattern formation in the early embryo. The localized information can be stored as RNA, one example being Vg1 RNA, which is localized exclusively to the vegetal hemisphere ofXenopusoocytes and eggs. Localization of Vg1 mRNA is directed by a 340-nt sequence element contained within its 3′ untranslated region. To understand the mechanism of localization, I have tested whether factors from the oocyte interact specifically with the RNA localization sequence. Results presented here show that a set of oocyte proteins form complexes with the localization element bothin vitroandin vivo. These proteins are specifically enriched in the stages of oogenesis during which localization occurs and recognize sub-elements of the RNA localization element that are essential for localizationin vivo. These data suggest that formation of a localization-specific RNA–protein complex may be the first step in directing Vg1 mRNA to its subcellular destination.
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DOI:
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发表时间:
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期刊:
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影响因子:
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DOI:
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11.1
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