Synthesis of a fructosyltransferase by Streptococcus sanguis
โ Scribed by C.William Keevil; Aileen A. West; Nigel Bourne; Philip D. Marsh
- Book ID
- 109312055
- Publisher
- John Wiley and Sons
- Year
- 1983
- Tongue
- English
- Weight
- 220 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0378-1097
No coin nor oath required. For personal study only.
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The production of fructan from sucrose by the action of the fructosyltransferase(s) (FTase) of oral streptococci appears to be dependent upon metal ions, but the exact nature of this dependence has not yet been elucidated'\*\*. In the case of the purified extracellular FTase of Streptococcus mutans,
A heat-sensitive factor obtained from lysates of competent Streptococcus sanguis cells reacts specifically with native DNA of heterospecific (S. pneumoniae or calf thymus) origin. In vitro it does not alter the double or single strand length of the DNA, nor does it affect uptake of the DNA by compen