Extracellular lipase production of zygomycetes fungi isolated from soil

Filamentous fungi are well known by their ability to secrete biotechnologically important enzymes into the environment. Lipase enzymes catalyze the hydrolysis of triacylglycerols to give free fatty acids, diacylglycerols, monoacylglycerols and glycerol. There is a growing interest in microbial lipas...

Teljes leírás

Elmentve itt :
Bibliográfiai részletek
Szerzők: Takó Miklós
Kotogán Alexandra
Németh Brigitta
Radulov Isidora
Niţǎ Lucian Dimitru
Tărău Dorin
Dicu Daniel
Tóth Beáta
Papp Tamás
Vágvölgyi Csaba
Dokumentumtípus: Cikk
Megjelent: 2012
Sorozat:Review on agriculture and rural development 1 No. 1
Kulcsszavak:Talajvizsgálat, Talajkémia, Analitikai kémia
Tárgyszavak:
Online Access:http://acta.bibl.u-szeged.hu/30328
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490 0 |a Review on agriculture and rural development  |v 1 No. 1 
520 3 |a Filamentous fungi are well known by their ability to secrete biotechnologically important enzymes into the environment. Lipase enzymes catalyze the hydrolysis of triacylglycerols to give free fatty acids, diacylglycerols, monoacylglycerols and glycerol. There is a growing interest in microbial lipase production due to its great potential for various industrial applications. Zygomycetes are good producers of lipases, however, representatives of the order Mortierellales are poorly characterized from this aspect. Our knowledge in reference to the activity and production of the enzymes by soil isolated zygomycetous fungi is also limited. The main objective of this work was the screening of 35 soil isolated strains belonging to the genera Mortierella, Dissophora and Umbelopsis with potential to produce lipases. For detection of extracellular lipase production, culturing media containing tributyrin was used and the level of the lipase production was evaluated by measuring the diameter of the halo around the colonies. The halo was formed in consequence of the lipase activity and measured daily during the incubation period. The lipase production of the tested strains showed high variability and several isolates showing high enzyme activity were detected in each genus. Among the tested isolates, the Dissophora ornata, Mortierella longicollis and Umbelopsis angularis strains proved to be outstanding in their enzyme producing ability. The M. longicollis were selected to investigate the effects of various inductor oils on the enzyme production using submerged culture fermentation systems. 
650 4 |a Természettudományok 
650 4 |a Kémiai tudományok 
695 |a Talajvizsgálat, Talajkémia, Analitikai kémia 
700 0 1 |a Kotogán Alexandra  |e aut 
700 0 1 |a Németh Brigitta  |e aut 
700 0 1 |a Radulov Isidora  |e aut 
700 0 1 |a Niţǎ Lucian Dimitru  |e aut 
700 0 1 |a Tărău Dorin  |e aut 
700 0 1 |a Dicu Daniel  |e aut 
700 0 1 |a Tóth Beáta  |e aut 
700 0 1 |a Papp Tamás  |e aut 
700 0 1 |a Vágvölgyi Csaba  |e aut 
856 4 0 |u http://acta.bibl.u-szeged.hu/30328/1/agricul_review_2012_001_062-066.pdf  |z Dokumentum-elérés