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Titolo:
Ultrastructure of cell wall of the cps8 actin mutant cell in Schizosaccharomyces pombe
Autore:
Ishijima, SA; Konomi, M; Takagi, T; Sato, M; Ishiguro, J; Osumi, M;
Indirizzi:
Japan Womens Univ, Fac Sci, Dept Chem & Biol Sci, Bunkyo Ku, Tokyo 1128681, Japan Japan Womens Univ Tokyo Japan 1128681 i, Bunkyo Ku, Tokyo 1128681, Japan Japan Womens Univ, Grad Sch Sci, Div Mat & Biol Sci, Bunkyo Ku, Tokyo 1128681, Japan Japan Womens Univ Tokyo Japan 1128681 i, Bunkyo Ku, Tokyo 1128681, Japan Japan Womens Univ, Electron Microscopy Lab, Bunkyo Ku, Tokyo 1128681, Japan Japan Womens Univ Tokyo Japan 1128681 b, Bunkyo Ku, Tokyo 1128681, Japan Konan Univ, Fac Sci, Dept Biol, Kobe, Hyogo 6588501, Japan Konan Univ Kobe Hyogo Japan 6588501 Dept Biol, Kobe, Hyogo 6588501, Japan
Titolo Testata:
FEMS MICROBIOLOGY LETTERS
fascicolo: 1, volume: 180, anno: 1999,
pagine: 31 - 37
SICI:
0378-1097(19991101)180:1<31:UOCWOT>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
PROTEIN-KINASE-C; ATOMIC-FORCE MICROSCOPY; FISSION YEAST; SEPTUM FORMATION; SHAPE CONTROL; RHO1P GTPASE; LOCALIZATION; ORGANIZATION; PROTOPLASTS; POLARITY;
Keywords:
actin cytoskeleton; actin point mutant; cell wall structure; electron microscopy; Schizosaccharomyces pombe; septum formation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Osumi, M Japan Womens Univ, Fac Sci, Dept Chem & Biol Sci, Bunkyo Ku, 2-8-1 Mejirodai, Tokyo 1128681, Japan Japan Womens Univ 2-8-1 Mejirodai Tokyo Japan 1128681 681, Japan
Citazione:
S.A. Ishijima et al., "Ultrastructure of cell wall of the cps8 actin mutant cell in Schizosaccharomyces pombe", FEMS MICROB, 180(1), 1999, pp. 31-37

Abstract

A Schizosaccharomyces pombe cps8 mutant, of which the gene encodes a mutant actin with an amino acid substitution of Asp for Gly(273) [J. Ishiguro and W. Kobayashi (1996) FEES Lett. 392, 237-241], was used to determine the role of the actin cytoskeleton in cell wall formation. In the cps8 mutant cells, atomic force microscopic and scanning electron microscopic images showed abnormal depolarized and branched morphology. Fibrous material covered apart of the surface of growing cps8 cells. Transmission electron microscopic images showed variable thickness of the cell wall due to multilayering of cell wall materials, and aberrant multisepta due to diagonal growth of the primary septum, whereas the normal primary septum grows at a right angle from the cortex. This abnormal septum formation may induce abnormality of the cell with multinuclei and/or multisepta, caused by non-separation of daughter cells. These results indicate that actin plays an important role in cell wall and septum formation. (C) 1999 Federation of European Microbiological Societies. Published by Elsevier Science B.V. All rights reserved.

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Documento generato il 29/03/20 alle ore 00:52:07