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Titolo:
Changes in organization of the endoplasmic reticulum during Xenopus oocytematuration and activation
Autore:
Terasaki, M; Runft, LL; Hand, AR;
Indirizzi:
Univ Connecticut, Ctr Hlth, Dept Physiol, Farmington, CT 06032 USA Univ Connecticut Farmington CT USA 06032 hysiol, Farmington, CT 06032 USA Univ Connecticut, Ctr Hlth, Dept Pediat Dent, Farmington, CT 06032 USA Univ Connecticut Farmington CT USA 06032 t Dent, Farmington, CT 06032 USA
Titolo Testata:
MOLECULAR BIOLOGY OF THE CELL
fascicolo: 4, volume: 12, anno: 2001,
pagine: 1103 - 1116
SICI:
1059-1524(200104)12:4<1103:CIOOTE>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
SEA-URCHIN EGGS; INOSITOL 1,4,5-TRISPHOSPHATE RECEPTOR; CORTICAL GRANULE EXOCYTOSIS; PHOSPHOLIPASE C-GAMMA; ANIMAL-VEGETAL AXIS; MEIOTIC MATURATION; CALCIUM-RELEASE; STRUCTURAL-CHANGES; ANNULATE LAMELLAE; FREEZE-FRACTURE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
58
Recensione:
Indirizzi per estratti:
Indirizzo: Terasaki, M Univ Connecticut, Ctr Hlth, Dept Physiol, Farmington, CT 06032USA Univ Connecticut Farmington CT USA 06032 ington, CT 06032 USA
Citazione:
M. Terasaki et al., "Changes in organization of the endoplasmic reticulum during Xenopus oocytematuration and activation", MOL BIOL CE, 12(4), 2001, pp. 1103-1116

Abstract

The organization of the endoplasmic reticulum (ER) in the cortex of Xenopus oocytes was investigated during maturation and activation using a green fluorescent protein chimera, immunofluorescence, and electron microscopy. Dense clusters of ER developed on the vegetal side (the side opposite the meiotic spindle) during maturation. Small clusters appeared transiently at thetime of nuclear envelope breakdown, disappeared at the time of first polarbody formation, and then reappeared as larger clusters in mature eggs. Theappearance of the large ER clusters was correlated with an increase in releaseability of Ca2+ by IP3. The clusters dispersed during the Ca2+ wave at activation. Possible relationships of ER structure and Ca2+ regulation are discussed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/01/21 alle ore 04:42:16