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Conservación de cepas bacterianas por congelación sobre discos de celulosa

Authors: Ceña, A.; Álvarez de Cienfuegos, G.; Ramos Cormenzana, Alberto;

Conservación de cepas bacterianas por congelación sobre discos de celulosa

Abstract

Se estudia la conservación de cepas bacterianas pertenecientes a diferentes géneros y especies, por congelación a 300C utilizando como soporte discos de papel de celulosa. Asímismo se compruebe si esta técnica puede ser utilizada para la conservación de bacterias estructural y fisiologicamente diferentes entre sí o si por el contrario no es aconsejable para determinados tipos bacterianos. Los resultados obtenidos, muestran que la congelación de suspensiones bacterianas sobre discos de celulosa, mantiene la viabilidad en condiciones suficientemente satisfactorias para considerar que esta técnica es un procedimiento eficaz de conservación de cepas bacterianas. Debe resaltarse el hecho de que la recuperación de las cepas no halófilas, tanto de Colección como de muestras clínicas, no requiere, en la mayoría de los casos de medios de enriquecimiento.

The conservation of bacterial strains adscribed to different genus and species, by freezing at - 300C using disc paper of cellulose have been studied. It has also tested wether this technique can be utilized for maintenance of rnicroorganisms with structural and physiologic differences. The results show how the freezing of bacterial cultures on cellulose disc pa per, keep the bacterial viability in good conditions. This technique is a good way of mainteneance of bacterial strains. It is significative that for recuperation of non halophiles strains, no enrichment medium is required.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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