Preparation of Spheroplasts from Vibrio Comma.

نویسندگان

  • B R CHATTERJEE
  • R P WILLIAMS
چکیده

Chatterjee, B. R. (Baylor University College of Medicine, Houston, Texas), and Robert P. Williams. Preparation of spheroplasts from Vibrio comma. J. Bacteriol. 85:838-841. 1963.-Spheroplasts were prepared from several strains of Vibrio comma by lysozyme treatment combined with freezing and thawing of the organisms. The optimal concentration of lysozyme was 50 mug/ml, although some spheroplasts formed at a concentration of 10 mug/ml. Higher concentrations (200 mug/ml) caused lysis of cells along with spheroplast formation. Treatment was carried out in broth cultures containing 15% sucrose, and if the osmotic tension was lowered the spheroplasts lysed. Some motile, spherical cells were present in every preparation. Addition of 3% glycine to broth cultures resulted in rapid transformation of the vibrios into large, spherical bodies. However, these were actively motile, and were not sensitive to a lower osmotic tension. Therefore, they could not be considered as spheroplasts.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Immunological properties of the cell envelope components of Vibrio cholerae.

Several immunobiological properties of cell envelope components of Vibrio cholerae such as mitogenicity, antigenicity, adjuvanticity and toxicity were tested in mice. Killed whole bacteria, spheroplasts, lipopolysaccharide and outer membrane proteins possessed mitogenic activity as determined by [3H]thymidine uptake in spleen cell cultures. All these components predominantly stimulated murine b...

متن کامل

Electron-microscopic study on the flagella of Vibrio comma.

(1918) view that they were attached to the cell membrane and third, that of Fuhrmann (1910) who stated that they arose from blepharoplasts. None of these opinions was accompanied by clear cut photographic evidence. The development and use of the electron microscope has made it possible to observe structures which were invisible with the light microscope. Thus Mudd and Anderson (1942) made elect...

متن کامل

Culture of serum-induced spheroplasts from Vibrio cholerae.

Spheroplasts of Vibrio cholerae types Inaba, Hikojima, and Ogawa were produced in serum. An excess of lysozyme was added to expedite transformation, and CaCl(2) was used as the stabilizing agent. At the optimal time for each strain, when less than 1% classical rod forms were observed microscopically, samples were plated on both conventional and modified L-form media. No growth occurred on conve...

متن کامل

Helical growth and the curved shape of Vibrio cholerae.

The curved, comma, or bent shape of Vibrio cholerae is attributed to, and explained by, the normal helical growth of the cell. The comma-like shape of V. cholerae is not due to an asymmetrical positioning of peptidoglycan such that some chains of peptidoglycan are placed so they are more spread out on one side of the cell and squeezed together on the other side.

متن کامل

The Extractability of Inner-Membrane Proteins from Salmonella typhimurium Intact Cells, Spheroplasts and Inner-Membrane Fragments by Non-Denaturing Detergents

The effect of Triton X-100, Na cholate and Tween 80 on the solubilization of integral membrane proteins in intact cells, spheroplasts and inner-membrane fragments of Salmonella typhimurium was studied. The detergents were used in various concentrations (1.6 to 64 mM) and cytochromes b and d were used as marker to monitor the solubilization of membrane-bound proteins. Results showed that no inne...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:
  • Journal of bacteriology

دوره 85  شماره 

صفحات  -

تاریخ انتشار 1963