Penicillium canescens strains

The filamentous fungus Penicillium canescens was developed into a mature protein production platform. Expression and transformation systems of Penicillium canescens allow to apply host strains for production of industrially relevant enzyme preparations with useful properties. Penicillium canescens strain characteristics have been a proven starting point for the development of... 

This paper investigates the potential of xylanase production in solid-state fermentation from soya oil cake by Penicillium canescens lO-lOc using a multi-layer-packed bed reactor. Previous studies reported xylanase production by this strain in solid-state fermentation from wheat straw in flasks [1]. 

F. 3 Penicillium canescens host and Fecranbinant strains after transframation (S days incubatirai at 30 °C, minimal media supplemented with 10 mM NaN03, 3 X lO protoplasts on the both plates)... 

Bushina EV (2012) New highly effective enzyme preparations for hydrolysis of the pectin- and cellulose containing substrates based on Penicillium canescens recombinant strains. Dissertation, Moscow State University... 

Vavilova EA, Vinetsky YP (2003) Induction of the synthesis of taido-l,4-p-xylanase and P-Galactosidase in the miginal and recombinant strains of the fungus Penicillium canescens. Appl Biochem Mioobiol 39(2) 167—172... 

Figures 6 and 7 show ergosterol content during P. canescens growth. Eigosterol content is related to the Penicillium strain growth. As we can see, ergosterol content increases with...

The present work has established the potential of a laboratory multi-layer-packed bed reactor for xylanase production in solid-state fermentation by P. canescens. Optimal production obtained is largely superior to those related in literature. Two problems are identified. Initially, the forced aeration causes sporulation of the Penicillium strain and so decreases xylanase production. In addition, increasing the cultural surface more than 100 g/layer of soya oil cake (1-cm bed height) decreases significantly xylanase production and constitutes a disadvantage for this process. To increase efficiency of the multi-layer-packed bed reactor, we can increase the dimensions of the layers. Why not associate mixing the culture medium, moistened air, and a rigorous control of the temperature at the inner the reactor Another approach would be to develop a reactor in this direction to improve the production. 

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