October 2014
Histological and histochemical changes induced by the amendment of chitosan and inoculation of Pseudomonas sp. against Tomato leaf curl virus (ToLCV) in tomato (Lycopersicon esculentum Mill.)
This study was conducted to evaluate the comparison between the histological and histochemical changes in leaves of tomato due to tomato leaf curl virus (ToLCV) with or without plant growth-promoting rhizobacteria (PGPR) and chitosan treatments. The combined treatment of chitosan and Pseudomonas sp. induced a significant (P=0.05) increase in the activities of polyphenoloxidase (PPO), peroxidase (POD), chitinase,...
October 2014
In vitro antibacterial screening of methanolic extract of whole body tissue and ethylene diamine tetra acetate (EDTA) extract of cuttlebone of Sepia pharaonis (Ehrenberg, 1831) against selected clinical isolates
The need for the discovery of new and novel antibiotics is imperative because evidence suggests that development and spread of resistance to any new antimicrobial agent is inevitable. In the present study, the in vitro antibacterial activity of methanolic extract of whole body tissue and ethylene diamine tetra acetate (EDTA) extract of cuttlebone (polysaccharide) of Sepia pharaonis was investigated against ten bacterial...
October 2014
Evaluation of antimicrobial activity against bacterial leaf blight pathogen Xanthomonas oryze pv. oryzae and antioxidant activities of Streptomyces sp. TC1
A Streptomyces sp. TC1 isolate was screened for antimicrobial activity against bacterial leaf blight pathogen Xanthomonas oryzae pv. oryzae under in vitro condition. The crude extracts obtained from the culture filtrate by solvent extraction using ethyl acetate were possessed with moderate antimicrobial activity tested in agar well diffusion method. The crude extract is also analyzed for antioxidant activities by six...
October 2014
Seroprevalence of Chlamydia trachomatis, cytomegalovirus, herpes simplex virus 1 and 2 in Saudi women with normal and abnormal early pregnancy: A case control study
This work measured the seroprevalence of Chlamydia trachomatis, cytomegalovirus, herpes simplex virus-1 and 2 in Saudi women with normal and abnormal early pregnancy. This is a case-control study; serum samples were collected from 250 women as follows: 100 normal pregnancies, 70 ectopic pregnancies and 80 spontaneous abortions. IgG and IgM antibodies against candidate organisms were measured using enzyme linked...
October 2014
Maize (Zea mays) growth promotion by rock-phosphate solubilising bacteria isolated from nutrient deficient soils of Cameroon
Rock phosphate is an alternative strategy for less expensive natural sources of plant nutrients. However, this can be efficiently used by plants only when associated with phosphate solubilising microorganisms. Phosphate solubilising bacteria (PSB) from soils of two agro ecological zones of Cameroon were screened for their phosphate solubilising ability on plates and in liquid cultures supplemented with Malian, Moroccan...
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