[Optimal preservation of function in vacuum-dried bacteria (author's transl)]. 1975

H Eyer, and M Schmidt, and G Deffner

Experience has shown that there are natural processes assuring a good preservation of virulence of delicate bacteria over intervals between epidemic outbreaks. Similarly, fetal bovine serum enriched with 10% saccharose was found to be an ideal medium for rendering bacteria well preservable without losing essential functional characteristics by means of vacuum-drying. Cotton wool DAB 7 has proved to be a good support. The available findings would let also delicate aerobic and anaerobic bacteria appear to be suitable for this kind of preservation, retaining their full capacity to multiply for at least one year inclusive of sensitive functional parameters. Results have been grouped in a number of synoptic tables, Bacteria that would not admit of the method of preservation described, have not been found thus far.

UI MeSH Term Description Entries
D008722 Methods A series of steps taken in order to conduct research. Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique
D001769 Blood The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D003368 Gossypium A plant genus of the family MALVACEAE. It is the source of COTTON FIBER; COTTONSEED OIL, which is used for cooking, and GOSSYPOL. The economically important cotton crop is a major user of agricultural PESTICIDES. Cotton Plant,Cotton Plants,Gossypiums,Plant, Cotton,Plants, Cotton
D003585 Cell Biology The study of the structure, behavior, growth, reproduction, and pathology of cells; and the function and chemistry of cellular components. Cellular Biology,Biologies, Cell,Biologies, Cellular,Biology, Cell,Biology, Cellular,Cell Biologies,Cellular Biologies
D000332 Aerobiosis Life or metabolic reactions occurring in an environment containing oxygen. Aerobioses
D000693 Anaerobiosis The complete absence, or (loosely) the paucity, of gaseous or dissolved elemental oxygen in a given place or environment. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) Anaerobic Metabolism,Anaerobic Metabolisms,Anaerobioses,Metabolism, Anaerobic,Metabolisms, Anaerobic
D001419 Bacteria One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive. Eubacteria
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D014774 Virulence The degree of pathogenicity within a group or species of microorganisms or viruses as indicated by case fatality rates and/or the ability of the organism to invade the tissues of the host. The pathogenic capacity of an organism is determined by its VIRULENCE FACTORS. Pathogenicity

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