New site of temporary storage of rRNA in O. mykiss previtellogenic oocytes
Identifieur interne : 000430 ( Istex/Corpus ); précédent : 000429; suivant : 000431New site of temporary storage of rRNA in O. mykiss previtellogenic oocytes
Auteurs : S. Fusco ; S. Filosa ; M. Iacoviello ; P. Indolfi ; S. Tammaro ; C. M. MottaSource :
- Molecular Reproduction and Development [ 1040-452X ] ; 2000-06.
English descriptors
Abstract
This article describes a new organelle found in the cytoplasm of the growth stage fish oocytes. In particular, we describe its organization at the morphological level and investigate its composition by different cytochemical and immunocytochemical approaches with both light and electron microscope. The conclusion is that the body is a peculiar protein scaffold functioning as a temporary trap for the storage of rRNA in the mid to late growth stage oocytes. Its presence would be related to the reorganization of the mass of amplified rDNA in micronucleoli and to the consequent temporary stop in the rRNA synthesis. Mol. Reprod. Dev. 56:198–206, 2000. © 2000 Wiley‐Liss, Inc.
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DOI: 10.1002/(SICI)1098-2795(200006)56:2<198::AID-MRD11>3.0.CO;2-H
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ISTEX:8FD83EEEEFB6042C0023F57B37C27653BB45D9AELe document en format XML
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In particular, we describe its organization at the morphological level and investigate its composition by different cytochemical and immunocytochemical approaches with both light and electron microscope. The conclusion is that the body is a peculiar protein scaffold functioning as a temporary trap for the storage of rRNA in the mid to late growth stage oocytes. Its presence would be related to the reorganization of the mass of amplified rDNA in micronucleoli and to the consequent temporary stop in the rRNA synthesis. Mol. Reprod. Dev. 56:198–206, 2000. © 2000 Wiley‐Liss, Inc.</abstract><note type="funding">MURST, Progetto Nazionale entitled “Biologia ed Evoluzione del Riconoscimento e delle Interazioni nelle Cellule Animali.”</note><subject lang="en"><genre>keywords</genre><topic>rRNA</topic><topic>storage</topic><topic>oocytes</topic><topic>trout</topic></subject><relatedItem type="host"><titleInfo><title>Molecular Reproduction and Development</title><subTitle>Incorporating Gamete Research</subTitle></titleInfo><titleInfo type="abbreviated"><title>Mol. Reprod. Dev.</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Gamete Biology</topic></subject><identifier type="ISSN">1040-452X</identifier><identifier type="eISSN">1098-2795</identifier><identifier type="DOI">10.1002/(ISSN)1098-2795</identifier><identifier type="PublisherID">MRD</identifier><part><date>2000</date><detail type="volume"><caption>vol.</caption><number>56</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>198</start><end>206</end><total>9</total></extent></part></relatedItem><identifier type="istex">8FD83EEEEFB6042C0023F57B37C27653BB45D9AE</identifier><identifier type="DOI">10.1002/(SICI)1098-2795(200006)56:2<198::AID-MRD11>3.0.CO;2-H</identifier><identifier type="ArticleID">MRD11</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2000 Wiley‐Liss, Inc.</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>John Wiley & Sons, Inc.</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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