Abstract：
:We have investigated the accumulation and adenylation of the maternal mRNA during oogenesis in the oocytes of the marine worm Urechis caupo. The analysis, using in vitro translation and cDNA probes to assay for specific mRNAs, demonstrates that different maternal mRNAs accumulate with different patterns during oogenesis. One class of maternal mRNAs accumulates throughout oogenesis and remains at a steady level in the full-grown oocyte. These mRNAs do not have a poly(A) tail long enough to mediate binding to oligo(dT)-cellulose in oocytes, but are rapidly adenylated immediately following fertilization. The other maternal mRNAs accumulate in growing oocytes as poly(A)+ RNA and undergo some deadenylation in full-grown oocytes and embryos. Some of these mRNAs attain their highest concentration fairly early in oogenesis, while others continue to accumulate during later stages. Many of the mRNAs that accumulate as poly(A)+ RNA in growing oocytes diminish dramatically in concentration in full-grown oocytes.
journal_name
Dev Bioljournal_title
Developmental biologyauthors
Rosenthal ET,Wilt FHdoi
10.1016/0012-1606(86)90347-7subject
Has Abstractpub_date
1986-09-01 00:00:00pages
55-63issue
1eissn
0012-1606issn
1095-564Xpii
0012-1606(86)90347-7journal_volume
117pub_type
杂志文章abstract：:In many non-mammalian vertebrates, adult dentitions result from cyclical rounds of tooth regeneration wherein simple unicuspid teeth are replaced by more complex forms. Therefore and by contrast to mammalian models, the numerical majority of vertebrate teeth develop shape during the process of replacement. Here, we ex...
journal_title：Developmental biology
pub_type： 杂志文章
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journal_title：Developmental biology
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pub_type： 杂志文章
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journal_title：Developmental biology
pub_type： 杂志文章
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journal_title：Developmental biology
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pub_type： 杂志文章,评审
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更新日期：2017-08-15 00:00:00
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journal_title：Developmental biology
pub_type： 杂志文章
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更新日期：1993-08-01 00:00:00
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journal_title：Developmental biology
pub_type： 杂志文章
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更新日期：2002-08-15 00:00:00
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