The pH-induced conformational transition in the CuA domain of subunit II of cytochrome oxidase of Paracoccus denitrificans (PdII) has been investigated using various spectroscopic and stopped-flow kinetic methods. UV-visible absorption and circular dichroism studies showed that an increase in pH from 6 to 10 leads to a conformation change with pK(a) = 8.2 associated with the CuA site of the pro...

Background: Ficus palmata (FI) is an important and widely used medicinal plant. It is principally used as an item of diet in the treatment of constipation and diseases of the lungs and bladder. The sap is used in the treatment of warts. Ficus palmata plant is used in various disease e.g. gastrointestinal, hypoglycemic, antitumor, anti-ulcer, anti-diabetic, lipid lowering and antifungal activiti...

At first sight, bacterial electron-transfer chains present a picture of great diversity and complexity. Not only are there many different types of cytochromes and other components, but also branched chains are frequently encountered (Haddock & Jones, 1977). Whilst for some bacteria there has been progress in characterizing the components of electron-transfer chains, there has been little attemp...

In recent years a species of Hesperolabops has become a problem as a pest of nopalitos, Opuntia ficus-indica, in Milpa Alta, in the south of Mexico City, which is the most important production region of this vegetable in the country. A survey of Hesperolabops in Milpa Alta has resulted in the first report of Hesperolabops nigriceps Reuter. This occurrence should be monitored and considered in f...

Ficus religiosa L is one of the important medicinal plant widely used in pharmaceutical research. It is widely distributed in India and a religiously important host. In the present study, antibacterial activity of endophytic fungi isolated from Ficus religiosa was carried out. Organic extract of five dominant endophytic fungi viz Botryodiplodia theobromae, Colletotrichum gloeosporioides, Phomop...

The heme aa3 type cytochrome oxidase from Paracoccus denitrificans incorporated into vesicles with phospholipid reacts during turnover much as the oxidase from mitochondria does. The spectrophotometric changes observed at various wavelengths are closely similar, and the rate is about one-half of that for beef heart oxidase under the same conditions. The rate of appearance of oxidized cytochrome...

The microbial capacity to degrade simple organic compounds with quaternary carbon atoms was demonstrated by enrichment and isolation of five denitrifying strains on dimethylmalonate as the sole electron donor and carbon source. Quantitative growth experiments showed a complete mineralization of dimethylmalonate. According to phylogenetic analysis of the complete 16S rRNA genes, two strains isol...

Ficin is the name given to the proteolytic enzyme activity of the latex of trees of the genus Ficus (1). While this proteolytic activity has been utilized for centuries and Walti (2) crystallized a proteolytic enzyme from fig latex, little is known of the physical, chemical, and enzymatic properties of this activity. The information available on ficin indicates that it closely resembles papain ...

the ethanolic extract of ficus carica leaves was screened for hepatoprotective and antioxidant activity in hepatotoxic albino rats induced via carbon tetrachloride. the degree of protection was measured by estimating biochemical parameters such as serum glutamate oxaloacetate transaminase (sgot), serum glutamate pyruvate transaminase (sgpt), total protein (tp), total albumin (ta), alkaline phos...

ficus benjamina l. is indoor plant in temperate areas that is a tree species belongs to moraceae family. propagation of this plant is down by vegetative method. this study was conducted to evaluate the effect of iba concentration and time of taking cutting on propagation of ficus benjamina via stenting technique in gorgan university of agricultural sciences and natural resources, in 2012. treat...