Cell wall growth in Bacillus licheniformis followed by immunofluorescence with mucopeptide-specific antiserum.
نویسندگان
چکیده
Insertion of new wall during the growth of Bacillus licheniformis occurred discretely and probably at the sites of incipient cross wall formation.
منابع مشابه
The cell wall of Bacillus licheniformis N.C.T.C. 6346. Linkage between the teichuronic acid and mucopeptide components.
1. After extraction of teichoic acid from cell walls of Bacillus licheniformis with dilute alkali, the insoluble residue contains the teichuronic acid and mucopeptide components and a small amount of residual phosphorus. 2. A complex of teichuronic acid and a part of the mucopeptide was isolated from the soluble fraction obtained by lysozyme treatment of alkali extracted walls. 3. Small-molecul...
متن کاملMucopeptide metabolism during growth and sporulation in Bacillus megaterium.
A mutant of Bacillus megaterium lacking the aspartate P-semialdehyde-pyruvate-condensing enzyme and mesodiaminopimelic acid decarboxylase has been used in a study of mucopeptide metabolism during growth and sporulation. The absolute requirement for both diaminopimelic acid and lysine in this mutant guarantees that exogenous labeled diaminopimelic acid is incorporated specifically into mucopepti...
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ABSTRACT Background and objectives: Bacillus licheniformis is a potential cause of spoilage in pasteurized products. The aim of this study was to identify and isolate B. licheniformis from commercial pasteurized fruit juices distributed in the West Azarbaijan Province, Iran. Methods: Sixteen fruit juice samples including four apple juice and 12 orange juice samples wer...
متن کاملThe isolation of structural components present in the cell wall of Bacillus licheniformis N.C.T.C. 6346.
1. Four of the known components of wall preparations of vegative cells of Bacillus licheniformis N.C.T.C. 6346 have been isolated free of each other after successive treatments of the walls with trichloroacetic acid and lysozyme: (a) a mucopeptide consisting of glucosamine, muramic acid, alphain-diaminopimelic acid, glutamic acid and alanine in the molar proportions 1.0:0.8:1.0:1.2:1.7; (b) an ...
متن کاملThe Initial Structural Lesion of Penicillin Action in Bacillus Megaterium
The effect of penicillin on the structure of Bacillus megaterium cells was followed in media with and without osmotic stabilization. In peptone without osmotic support the cells showed a distortion of the normal membrane-wall relationship by 20 minutes. This appeared to be a combination of both membrane distortion and cytoplasmic leakage. Lytic changes quickly followed. With osmotic support a c...
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ورودعنوان ژورنال:
- Journal of bacteriology
دوره 106 2 شماره
صفحات -
تاریخ انتشار 1971