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spheroplast

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spheroplast

 [sfēr´o-plast]
a bacterial, yeast, or fungal cell that results after partial removal of the rigid cell wall, which forms a membrane-bound cell with a spherical shape that is dependent for its integrity on an isotonic or hypertonic medium.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

sphe·ro·plast

(sfē'rō-plast),
A bacterial cell from which the rigid cell wall has been incompletely removed. The bacterium loses its characteristic shape and becomes round.
[sphero- + G. plastos, formed]
Farlex Partner Medical Dictionary © Farlex 2012

spheroplast

(sfîr′ə-plăst′, sfĕr′-)
n.
A bacterial cell whose cell wall has been degraded, often by the action of an antibiotic or a lysozyme, causing the cell to assume a spherical shape.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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References in periodicals archive
Initial attempts to regenerate transformed spheroplasts were performed on CD plates supplemented with uracil, uridine, and 5-FOA.
Development of a pyrG mutant of Aspergillus oryzae strain S1 as a host for the production of heterologous proteins
The release of enzymes from Escherichia coli by osmotic shock and during the formation of spheroplasts. J Biol Chem 1965;240(9):3685-3692.
Evaluation of recombinant human growth hormone secretion in E. coli. using the L-asparaginase II signal peptide
Spheroplasts were obtained by incubation at 37[grados]C during 45-60 minutes, followed by centrifugation.
Phylogenetic position of the yeast-like symbiotes of Tagosodes orizicolus (Homoptera: Delphacidae) based on 18S ribosomal DNA partial sequences
Patch-clamp experiments on such giant spheroplasts revealed two types of MS-channel activities, one with a very large conductance (2.5 nS) and one with a smaller conductance (0.8 nS).
Mechanosensitive channels for E. coli: a genetic and molecular dissection
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