Results 31 to 40 of about 362,750 (249)
Photorespiration has emerged as a hotspot in the evolution of photosynthesis owing to the energy loss during the process. To ensure the physiological functions of photorespiration such as light protection, H2O2 signaling, and stress resistance, separate ...
Zhen Yao+7 more
doaj +1 more source
Catalase Biosynthesis in Yeast: Formation of Catalase A and Catalase T during Oxygen Adaptation of Saccharomyces cerevisiae [PDF]
Catalase A from Saccharomyces cerevisiae and its biosynthetic precursors can specifically be immunoprecipitated from extracts obtained from yeast cells grown in the presence of l‐[3H]leucine or 59FeCl3. The enzyme and its precursors recognized by a specific antiserum are absent from anaerobic cells.
Piotr Zimniak+3 more
openaire +3 more sources
The enzyme-like catalytic activity of cerium oxide nanoparticles and its dependency on Ce3+ surface area concentration [PDF]
Cerium oxide nanoparticles are known to catalyze the decomposition of reactive oxygen species such as superoxide radical and hydrogen peroxide. Herein, we examine the superoxide dismutase (SOD) and catalase (CAT) mimetic catalytic activities of nanoceria and demonstrate the existence of generic behaviors.
arxiv +1 more source
Bioethanol in biofuels checked by an amperometric organic phase enzyme electrode (OPEE) working in “substrate antagonism” format [PDF]
The bioethanol content of two samples of biofuels was determined directly, after simple dilution in decane, by means of an amperometric catalase enzyme biosensor working in the organic phase, based on substrate antagonisms format.
Angeloni, Riccardo+4 more
core +2 more sources
In Vitro Assembly of Catalase [PDF]
Most aerobic organisms contain catalase, which functions to decompose hydrogen peroxide. Typical catalases are structurally complex homo-tetrameric enzymes with one heme prosthetic group buried in each subunit. It is not known how catalase in the cell is assembled from its constituents. The bacterium Enterococcus faecalis cannot synthesize heme but can
Lars Hederstedt+2 more
openaire +3 more sources
Background: Periodontal disease is an immune-inflammatory disease characterized by connective tissue breakdown, loss of attachment and alveolar bone resorption. In normal physiology, there is a dynamic equilibrium between reactive oxygen species activity
Biju Thomas+3 more
doaj +1 more source
Background: Failure of endogenous antioxidant system to eliminate high levels of ROS results to oxidative stress, consequently leading to liver damage.
Mujinya Pastori+11 more
doaj +1 more source
A case report of CAT gene and HNF1β gene variations in a patient with early-onset diabetes
Complex forms of diabetes are the ultimate common pathway involving multiple genetic variations and multiple environmental factors. Type 2 diabetes (T2DM) is classified as complex diabetes.
Cui Tao+4 more
doaj +1 more source
Efficacy of chemical disinfectants for the containment of the salamander chytrid fungus Batrachochytrium salamandrivorans [PDF]
The recently emerged chytrid fungus Batrachochytrium salamandrivorans (Bsal) causes European salamander declines. Proper hygiene protocols including disinfection procedures are crucial to prevent disease transmission.
Coen, Yanaïka+3 more
core +2 more sources
Non-heme manganese catalase – The ‘other’ catalase [PDF]
Non-heme manganese catalases are widely distributed over microbial life and represent an environmentally important alternative to heme-containing catalases in antioxidant defense. Manganese catalases contain a binuclear manganese complex as their catalytic active site rather than a heme, and cycle between Mn(2)(II,II) and Mn(2)(III,III) states during ...
openaire +3 more sources