A simple and rapid method for screening amylolytic bacteria

Pedro Chimoy Effio, Enny Fernandes Silva, Manuel Troyano Pueyo

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


A laboratory class was designed for the study of the ecology of amylolytic bacteria in soil, although other sources may be equally suitable for this purpose. Groups of three students carried out the following: (a) preparation and sterilization of medium and plates, (b) collection and preparation of soil samples, spreading the samples on the plates, (c) incubation of the plates at 37°C overnight, a further 1 h incubation at 60°C to observe amylolytic activity due to thermophilic bacteria, and (d) interpretation and discussion of the results. These tasks are accomplished in two periods of 4 h on consecutive days. No sophisticated instruments are required for these experiments, which can be carried out in three classes of 4 h each. On the first day the students prepare culture media, buffers and reagents, as well as collect and grow soil samples. The second day is spent for both taxonomic identification of colonies and the HAI determination. (C) 2000 Published by Elsevier Science Ltd.

Original languageEnglish
Pages (from-to)47-49
Number of pages3
JournalBiochemical Education
Issue number1
StatePublished - Jan 2000
Externally publishedYes


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