spheroplast
(sfĭr\'o-plast)
A relatively spherical cell formed by the weakening or partial removal of the rigid cell wall component (e.g., by penicillin treatment of gram-negative bacteria). Spheroplasts are usually osmotically sensitive.

Microbiology. . 2009.

Look at other dictionaries:

  • spheroplast — spheroplast. См. сферопласт. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Spheroplast — A spheroplast is a cell from which the cell wall has been almost completely removed, as by the action of penicillin. The name stems from the fact that after a microbe s cell wall is digested, membrane tension causes the cell to acquire a… …   Wikipedia

  • spheroplast — (AlteRNAtive spelling: sphaeroplast). A microbial or plant cell from which most of the cell wall has been removed, usually by enzymatic treatment. Strictly, in a spheroplast, some of the cell wall remains, while in a protoplast the cell wall has… …   Glossary of Biotechnology

  • spheroplast — noun Date: circa 1920 a bacterium or yeast cell that is modified (as by enzymatic action) so that there is partial loss of the cell wall and increased osmotic sensitivity …   New Collegiate Dictionary

  • spheroplast — Bacterium from which the cell wall has been removed but that has not lysed …   Dictionary of molecular biology

  • spheroplast — /sfear euh plast , sfer /, n. Bacteriol. a Gram negative bacterial cell with a cell wall that has been altered or is partly missing, resulting in a spherical shape. [1915 20; SPHERO + PLAST] * * * …   Universalium

  • spheroplast — noun A cell from which the cell wall has been removed …   Wiktionary

  • spheroplast — 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] * * * sphe·ro·plast sfir ə .plast, sfer n a bacterium or yeast cell that… …   Medical dictionary

  • spheroplast — sphe·ro·plast …   English syllables

  • spheroplast — sphe•ro•plast [[t]ˈsfɪər əˌplæst, ˈsfɛr [/t]] n. mcr a Gram negative bacterial cell with a cell wall that has been altered or is partly missing, resulting in a spherical shape • Etymology: 1958 …   From formal English to slang

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