Cell-wall defective variants of Treponema pallidum.
نویسندگان
چکیده
منابع مشابه
Cell-wall defective variants of Treponema pallidum.
Microbial variants possessing defective cell walls have attracted considerable interest in recentyears, because of the possibility of their having a role in the pathogenesis of disease. There is evidence that, in the infected host, a bacterium may undergo damage to its cell wall and assume a temporarily altered form with altered properties, yet remain capable of reversion to the parent bacteriu...
متن کاملCell-wall-defective variants of Fusobacterium.
The activity of antimicrobial agents against Fusobacterium species has been reported as variable in the literature. For some strains, the inconsistency arises from difficulty in determining the endpoint of growth in agar dilution susceptibility tests. Certain strains persist as a subtle haze beyond the levels of antibiotic that permit conventional colonial growth. We have determined by light an...
متن کاملSingle Cell Inoculations with Treponema Pallidum
The injection of one or several Treponema pallidum into the testicles of rabbits does not induce syphilitic infection. A negative tissue transfer experiment does not preclude the presence of Treponema pallidum in the inoculum nor does it indicate the absence of syphilis in the source animal.
متن کاملShape of Treponema pallidum.
Treponema pallidum was found to be not helical, but a flat wave twisted into one to five different planes per cell.
متن کاملMucopolysaccharidase of Treponema pallidum.
Treponema pallidum (Nichols strain) exhibited mucopolysaccharidase activity. Acidic mucopolysaccharides were broken down more rapidly by viable treponemes than by heat-inactivated treponemes or membrane filtrates of treponemal suspensions. Ouchterlony immunodiffusion demonstrated the occurrence of antibodies to the hyaluronidase-like enzyme within syphilitic sera. After intratesticular inoculat...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Sexually Transmitted Infections
سال: 1973
ISSN: 1368-4973
DOI: 10.1136/sti.49.3.227