immobilized culture
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2020 ◽  
Vol 65 (1-2) ◽  
pp. 10-14
Author(s):  
I. A. Gavryushina ◽  
T. I. Gromovykh ◽  
N. B. Feldman ◽  
S. V. Lutsenko ◽  
V. I. Ponomarenko ◽  
...  

The article discusses the development of a new method of producing Laetiporus sulphureus (Bull.) Murrill basidiomycete mycelium immobilized on a bacterial cellulose matrix. Mycelium contains biologically active compounds with antimicrobial activity against Gram-positive bacteria, including resistant staphylococcus. The aim of the work was to obtain immobilized mycelium by co-cultivation of L.sulphureus with the producer of bacterial cellulose Gluconacetobacter hansenii. The authors found that when co-culturing the basidial L.sulphureus strain with the bacterial cellulose producing G.hansenii strain, productivity increases by 3.2 times on H5/1 synthetic medium and by 1.9 times on natural Maltax-10 medium (concentration 5%). The resulting immobilized L.sulphureus mycelium has antibacterial properties; its aqueous extracts contain glucans.



2019 ◽  
Vol 14 (8) ◽  
pp. 1800624 ◽  
Author(s):  
Antoine Vassaux ◽  
Cédric Tarayre ◽  
Anthony Arguëlles‐Arias ◽  
Philippe Compère ◽  
Frank Delvigne ◽  
...  


2019 ◽  
pp. 58-70
Author(s):  
M.G. Pervova ◽  
T.I. Gorbunova ◽  
V.A. Demakov

The degradation of a mixture of hydroxy- and methoxy-PCB obtained as a result of a chemical modification of a commercial mixture of PCB «Sovol» by the Rhodococcus wratislaviensis strain KT112-7 in plankton culture or immobilized on carbon carriers has been investigated. It was established that the KT112-7 strain in plankton culture degraded 73.2% of a mixture of modified PCBs for 96 h; the strain immobilized on BAU-A activated carbon and on Carbopon-B-active carbon fiber provided the 59.5% and 95.3% degradation for the same time, respectively (with the starting concentration of PBS of 0.5 g/L). The application of the R. wratislaviensis KT112-7 strain immobilized on the BAU-A carrier decreased the number of the PCB derivatives by 1.5 times at the end of the experiment; the corresponding result for the Carbopon-B-active-immobilized culture was 3 times; the set of PCBs after the treatment with the suspension culture remained unchanged. In practice, the immobilization of R. wratislaviensis КТ112-7 strain on carbon carriers can be used in the development of the techniques for the degradation of chemically modified PCB mixtures. polychlorinated biphenyls, immobilization, destruction, utilization, PCB, Rhodococcus. Funding-This work was supported by the Integrated Program of the Ural Branch of the Russian Academy of Sciences No. 18-3-8-19. The work was performed using the equipment of the Center for collective use «Spectroscopy and analysis of organic compounds».



2016 ◽  
Vol 39 ◽  
pp. 176-180 ◽  
Author(s):  
Reginah Nabweteme ◽  
Hyuk-Sung Kwon ◽  
Sewon Park ◽  
Chang-Ha Lee ◽  
Ik-Sung Ahn


2014 ◽  
Vol 9 (2) ◽  
pp. 86-90
Author(s):  
Pratibha Chaturvedi ◽  
◽  
Swetha Soundar ◽  
Kreena Parekh ◽  
Samit Lokhande ◽  
...  


Author(s):  
Satoshi Yamaguchi ◽  
Erika Matsunuma ◽  
Teruyuki Nagamune


2010 ◽  
pp. 57-63
Author(s):  
Mee-Hae Kim ◽  
Masahiro Kino-oka ◽  
Jun-ichi Miyazaki ◽  
Masahito Taya


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