Anaerobic Cellulolytic Microbial Communities Decomposing the Biomass of Anabaena variabilis

Petrova, E.V.; Egorova, M.A.; Piskunkova, N.F.; Kozhevin, P.A.; Netrusov, A.I.; Tsavkelova, E.A.

Авторы: Petrova E.V., Egorova M.A., Piskunkova N.F., Kozhevin P.A., Netrusov A.I., Tsavkelova E.A.
Журнал: Microbiology
Том: 86
Номер: 6
Год издания: 2017
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 745
Последняя страница: 752
Оригинальные версии: Анаэробные целлюлозолитические микробные сообщества, разлагающие биомассу Anabaena variabilis
DOI: 10.1134/S0026261717060133
Аннотация: Four previously isolated methanogenic anaerobic consortia, which were originally cultivated on a cellulose-containing substrate (filter paper), were used as inocula for the anaerobic conversion of the biomass of Anabaena variabilis into biogas at 55°C. The cumulative methane yield in the biogas produced by the most active consortia reached 64%. However, the biotransformation was only efficient in the course of the single inoculation and pretreatment of the cyanobacterial biomass by its concentration and freeze-thawing. The DGGE analysis of the structure of the selected microbial consortia, cultivated on the filter paper, revealed qualitative variations in the biodiversity of predominant Bacteria, showing differences in band number and intensity. The composition of methanogenic Archaea in these consortia was similar, with the presence of the genera Methanoculleus and Methanosarcina. The efficiency of the microbial consortia selection, and the role of the various microbial trophic groups in bioconversion of the substrates, such as cellulose and the biomass of phototrophic microorganisms are discussed.
Добавил в систему: Нетрусов Александр Иванович

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Anaerobic Cellulolytic Microbial Communities Decomposing the Biomass of Anabaena variabilisстатья

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