Cultivation culture

Anbau, m. cultivation, culture addition, annex. wing colony. 

Anzucht, /. raising, cultivation, culture, anzuckem, v.t. sprinkle with sugar. 

Zxxcht, /. breeding, rearing cultivation, culture breed, race e4Wfttion dis pline. 

It should also be mentioned that the majority of microbial airborne particles are dead or noncultivable , which means that they do not grow under the laboratory conditions chosen. This is, for example, true for microorganisms hke Stachybotrys chartarum. To fully survey the indoor microbial situation and to avoid overlooking fungal species which may be indicators of damage, additional samples have to be taken using methods hke direct microscopy which are not dependent on hving, cultivable cultures. Here, for example, microscopic slides with an adhesive surface are inserted in special impactor samplers. The airborne particles collected are stained in the laboratory. EspeciaUy spores with a characteristic shape hke those of S. chartarum are easily detected under the microscope. 

Such a procedure leads to an estimation of an upper border, since in practice the selection of suitable cultivation cultures is significantly reduced due to the given local conditions. 

R. Retovsky, Continuous Cultivation of Algae, Theoretical and Methodological Bases of Continuous Culture of Microorganisms, Academic Press, Inc., New York, 1966. 

The problems with jojoba as a commercial crop are the usual ones of domestication and cultivation. It is a slow-growing plant, available only in the wild and therefore has very wide genetic variabiUty. Efforts are underway to select the most promising variants and cultivate these as a crop in the southwestern United States deserts (7). A possible alternative for producing jojoba oil is to culture plant embryos in bioreactors (see Cell culture technology). 

Fed-batch culture A cell cultivation technique in which one or more nutrients are supplied to the bioreactor in a given sequence during the growth or bioconversion process while the products remain in the vessel until the end of the run. 

Kultur,/. civilization culture cultivation, kulturell, a. cultural. 

Rein-kohle,/. pure coal, clean(ed) coal solid carbon, -koks, m. pure coke, clean coke. >kultur, kultivierung, /. Bact.) pure culture, pure cultivation. 

Levine, M., and Schoenlein, W. H., Compilation of Culture Media for Cultivation of Micro-... 

There are many approaches that may be used here. One approach is to screen related new strains, organisms to see if a higher yielding strain may be obtained. Alternatively, the culture "culture conditions used to cultivate the antibiotic-producing strain may be modified with the conditions objective of increasing antibiotic production. This may include manipulation of physical... 

The culture can be used directly for the conversion of phenylpyruvic add to resting cells L-phenylalanine. Therefore, a batch process with resting cells can be carried out, with some glucose added for maintenance (fed-batch fermentation). Another approach is to harvest the cells from the fermentation broth and to use them in a separate bioreactor in higher concentrations than the ones obtained in the cell cultivation. An advantage of the last method can be that the concentration of compounds other than L-phenylalanine is lower, so that downstream processing may be cheaper. 

Cultivation of luminous bacteria. Nealson (1978) lists various culture media to culture luminous bacteria. Three examples from other sources are shown in Table 2.1. It is important to include 300-500 mM NaCl as a basic ingredient. For the growth of bacteria, liquid media must be adequately aerated by shaking or bubbling. Solid media containing agar are made in Petri dishes. 

The mold isolated by Alexander Fleming in early 1940s was Penicillium notatum, who noted that this species killed his culture of Staphylococcus aureus. The production of penicillin is now done by a better penicillin-producing mould species, Penicillium chryso-genum. Development of submerged culture techniques enhanced the cultivation of the mould in large-scale operation by using a sterile air supply. 

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