نتایج جستجو برای: extracellular enzymes

تعداد نتایج: 245345  

2011
Dibu Divakaran Aswathi Chandran R Pratap Chandran

Alpha amylase (α-1, 4-glucan-glucanhydrolase, EC 3.2.1.1), an extracellular enzyme, degrades α, 1-4 glucosidic linkages of starch and related substrates in an endo-fashion producing oligosaccharides including maltose, glucose and alpha limit dextrin (7). The present study deals with the production and comparative study of production of α-amylase from two strains of Bacillus licheniformis, MTCC ...

2013
J. Megan Steinweg Sindhu Jagadamma Joshua Frerichs Melanie A. Mayes

Enzyme dynamics are being incorporated into soil carbon cycling models and accurate representation of enzyme kinetics is an important step in predicting belowground nutrient dynamics. A scarce number of studies have measured activation energy (Ea) in soils and fewer studies have measured Ea in arctic and tropical soils, or in subsurface soils. We determined the Ea for four typical lignocellulos...

2007
Hyuk Woo Kwon Ji Hwan Yoon Seong Hwan Kim Seung Beom Hong Youngah Cheon Seung Ju Ko

Thirty seven species of Fusarium were evaluated for their ability of producing extracellular enzymes using chromogenic medium containing substrates such as starch, cellobiose, CM-cellulose, xylan, and pectin. Among the tested species Fusarium mesoamericanum, F. graminearum, F. asiaticum, and F. acuminatum showed high β-glucosidase acitivity. Xylanase activity was strongly detected in F. prolife...

2015
Jörg S. Deutzmann Merve Sahin Alfred M. Spormann

UNLABELLED Direct, mediator-free transfer of electrons between a microbial cell and a solid phase in its surrounding environment has been suggested to be a widespread and ecologically significant process. The high rates of microbial electron uptake observed during microbially influenced corrosion of iron [Fe(0)] and during microbial electrosynthesis have been considered support for a direct ele...

Journal: :International Journal of Molecular Sciences 2023

Oxidative stress (OS)-induced mitochondrial damage is a risk factor for primary open-angle glaucoma (POAG). Mitochondria-targeted novel antioxidant therapies could unearth promising drug candidates the management of POAG. Previously, our dual-acting hybrid molecule SA-2 with nitric oxide-donating and activity reduced intraocular pressure improved aqueous humor outflow in rodent eyes. Here, we e...

2013
Shin-ichi Miyoshi

Bacteria in the genus Vibrio produce extracellular proteolytic enzymes to obtain nutrients via digestion of various protein substrates. However, the enzymes secreted by human pathogenic species have been documented to modulate the bacterial virulence. Several species including Vibrio cholerae and V. vulnificus are known to produce thermolysin-like metalloproteases termed vibriolysin. The vibrio...

2005
Steven D. Allison Peter M. Vitousek

Soil microbes produce extracellular enzymes that mineralize organic matter and release carbon and nutrients in forms that can be assimilated. Economic theories of microbial metabolism predict that enzyme production should increase when simple nutrients are scarce and complex nutrients are abundant; however, resource limitation could also constrain enzyme production. We tested these hypotheses b...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1958
A Hussain A E Dimond

6 F. Jacob, Virology, 1, 207, 1955. P. E. Hartman, in Symposium on the Chemical Basis of Heredity, ed. W. D. McElroy and B. Glass (Baltimore: Johns Hopkins Press, 1957), p. 408. 8 M. L. Morse, E. M. Lederberg, and J. Lederberg, Genetics, 41, 142, 1956. 9 M. L. Morse, E. M. Lederberg, and J. Lederberg, ibid., 41, 758, 1956. 10 A. Campbell, Virology, 4, 366, 1957. 11 W. Arber, G. Kellenberger, an...

Journal: :Frontiers in fungal biology 2022

The potential of microorganisms for the treatment municipal biosolids is continuously growing. present studies evaluated potency Trametes hirsuta reduction in biosolid mass, production extracellular enzymes, and removal pharmaceutical compounds (PhACs) slurry presence absence spiked PhACs [5 non-steroidal anti-inflammatories (NSAIs) 2 psychoactive (PACs)]. Toxicity after 35 days fungal was also...

Journal: :Microorganisms 2023

Lysobacter species have attracted increasing attention in recent years due to their capacities produce diverse secondary metabolites against phytopathogens. In this research, we analyzed the genomic and transcriptomic patterns of capsici CK09. Our data showed that L. CK09 harbored various contact-independent biocontrol traits, such as fungal cell wall lytic enzymes HSAF/WAP-8294A2 biosynthesis,...

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