in order to assess the effect of salinity constraint on some agro-physiological and biochemical traits in medicago sativa l., four alfalfa populations (tafilalet 1, tafilalet 2, demnate and tata), originated from mountains and oasis of morocco, were tested. the plants were grown under greenhouse conditions in pots filled with sand and peat under three salt treatments (0, 100 and 200 mm nacl). t...

We developed an assay to measure at acid pH the phosphotyrosine phosphatase activity in sera from patients with prostatic cancer. The method used quantifies the inorganic phosphate liberated from phosphotyrosine after incubation with serum, followed by the deproteinization of the reaction mixture. A high acid phosphatase (EC 3.1.3.2) activity towards phosphotyrosine was observed in all sera fro...

Nicholls, D. P. and Davies, J. S. (1977). Thorax, 32, 472-477. Acid phosphatase activity in carcinoma of the bronchus. Two cases are presented in which an undifferentiated small-cell carcinoma of the bronchus was associated with a considerably raised serum tartrate-labile acid phosphatase concentration. In neither case was there any evidence of a carcinoma of the prostate which, with a few rare...

Phosphatase activities were investigated in Morganella morganii, which is one of the few enterobacterial species producing high-level phosphate-irrepressible acid phosphatase activity (HPAP phenotype), and the gene encoding the major phosphate-irrepressible acid phosphatase was cloned, sequenced, and its product characterized. Using p-nitrophenyl phosphate as substrate, Morganella produced a ma...

To evaluate the effects of polyphyllin D on proliferation and apoptosis human colon cancer SW480 cell lines to reveal whether this process is mediated by micro ribonucleic acid-21/phosphatase tensin homolog deleted chromosome 10 pathway. Human cells were transfected with acid-21-mimic or mimic-negative control treated at different concentrations (control, 0.25, 0.5, 1 2 μM) for 24 h 48 h. Compa...

Suspensions of Blepharisma intermedium were fed latex particles for 5 min and then were separated from the particles by filtration. Samples were fixed at intervals after separation and incubated to demonstrate acid phosphatase activity. They were subsequently embedded and sectioned for electron microscopy. During formation of the food vacuole, the vacuolar membrane is acid phosphatase-negative....

The phenotypic and quantitative relationship of red cell acid phosphatase with haemoglobin, haptoglobin, and G6PD phenotypes was investigated in three populations in the Sudan and one population in Nilgiris, India. No significant consistent association of red cell acid phosphatase phenotypes was observed with these polymorphisms. However, there was a lack of acid phosphatase AB in G6PD deficien...

1. The development, localization and heterogeneity of acid phosphatase and a Zn(2+)-activated acid phosphatase in cellular fractions of developing chick liver were studied. 2. Acid phosphatase is distributed abundantly in the particulate and soluble fractions. The soluble fraction is rich in Zn(2+)-activated acid phosphatase, which attains its peak activity at about 15 days of incubation. 3. Th...