Research Papers/Topics in Biotechnology

An Assessment Of The Efficacy Of Selected Biopestides And Synthetic Chemicals In The Control Of The Corn Strain Of The Fall Armyworm.

ABSTRACTThe fall armyworm is a devastating pest of maize which has recently reached the African continent. Currently, there are no registered insecticides for FAW control in African countries, except applications allowed through an emergency label, suggesting an urgent need for insecticide screening. A study was carried out at the Department of Research and Specialist Service to investigate the efficacy of selected biopesticides and synthetic chemicals against the fall armyworm. The laborator...

Identification And Antibiotic Susceptibility Patterns Of Urinary Tract Infections (Utis) In Patients Presenting At Zvishavane District Hospital

ABSRACTUrinary tract infections (UTIs) are the most common type of infections encountered in medical practice today. Effective treatment of these infections is being hindered by antibiotic resistance of UTI pathogens. Prevalence of UTIs differs with geographical location, seasons, and gender. Therefore, it is important to isolate and identify the uro-pathogens causing UTIs in an area and determine their antibiotic susceptibility patterns. In this study, a total of 92 mid-stream urine samples ...

Cyanide levels, starch content and antioxidant composition of three cassava varieties (Benguela, Malawi 1 and Malawi 7)

ABSTRACTCassava (Manihot esculenta) is a drought resistant crop that can potentially contribute to food security through diversification of the staple diet in Zimbabwe. A major hindrance to its adoption as a major food item is its perceived toxicity because it contains a cyanogenic glycoside, which can be hydrolyzed into hydrogen cyanide, HCN, and there is also lack of its nutritional benefits. A comparative study of three cassava varieties (Benguela, Malawi 1 and Malawi 7) grown in Zimbabwe,...

Microbial analysis of spices and herbs obtained from market places around Gweru CBD

ABSTRACTThe importance of spices and herbs as dietary supplements and alternative medicines to Zimbabwean society has increased in recent times. The popularity of these substances has come largely as a result of the dire economic situation prevalent in Zimbabwe which has engendered the dramatic collapse of the country„s healthcare system. In spite of the numerous therapeutic claims that have been associated with spices and herbs sold openly in the streets, they pose a genuine threat to the ...

Effect Of Salt Stress On Maize (Zea Mays L.) Varieties At Early Seedling Stage

ABSTRACTMaize (Zea mays L.) is grown in different parts of the world, where it is a staple crop and many people rely on it as a primary source of nutrition. Salt stress is an external abiotic constraint that reduces maize ability to convert energy to biomass when it is in high concentrations. We conducted an experiment to investigate the effect of sodium chloride concentration on morphology of seedlings of maize varieties Agri Seeds R201, SC 513 and SC 403. The practical importance of the stu...

Determination Of Prevalence, Antimicrobial Resistance Assessment And Screening Of Virulent Genes Of Escherichia Coli In Ready-Made Meat Products And Traditionally Fermented Milk From The Form

ABSTRACTEscherichia coli is a common gastrointestinal enterobacteriaceae that contaminates food resulting in food poisoning. Due to prolonged exposure to antibiotic therapy in their livestock hosts, E. coli continue to develop antimicrobial resistance (AMR). Most E. coli strains are commensal but may attain virulence genes through horizontal gene transfer. A cross sectional observational study was carried out to determine the total E. coli count in polony, beef burgers and traditionally ferme...

GENETIC ENGINEERING OF FINGER MILLET (Eleusine Coracana) WITH Aldose Reductase GENE ISOLATED FROM Xerophyta Viscosa TO ENHANCE DROUGHT AND SALINITY TOLERANCE

ABSTRACTFinger millet is chief food crop for millions of people in the world. It is ranked third in cerealproduction in semi-arid regions after sorghum and pearl millet. It is generally grown all overthe world especially the developing countries with stable yield and strong adaptability to anumber of agro-ecological environments. Despite its importance, finger millet increase inproduction is limited by abiotic stresses especially drought and salinity which affects the plantin the field during...

Evaluation Of The Antinociceptive, Antipyretic And Anti-Inflamatory Properties Of Methanolic Bark Extracts Of Terminalia Brownie In Wistar Rats

ABSTRACTPain, pyrexia and inflammation cause unnecessary discomfort, suffering and alsolower productivity of the victims. Conventional drugs for these conditions areexpensive, not easily available and have adverse side effects. There is thereforeneed to develop alternative therapeutic agents, such as medicinal plantderivatives, that are cheaper and have lesser side effects. Terminalia brownii isused in traditional medicine to treat pain, pyrexia, inflammation but there is noscientific evidenc...

EVALUATION OF THE ANTINOCICEPTIVE, ANTIPYRETIC AND ANTI-INFLAMMATORY PROPERTIES OF METHANOLIC BARK EXTRACTS OF Terminalia Brownii IN WISTAR RATS

ABSTRACTPain, pyrexia and inflammation cause unnecessary discomfort, suffering and also lower productivity of the victims. Conventional drugs for these conditions are expensive, not easily available and have adverse side effects. There is therefore need to develop alternative therapeutic agents, such as medicinal plant derivatives, that are cheaper and have lesser side effects. Terminalia brownii is used in traditional medicine to treat pain, pyrexia, inflammation but there is no scientific e...

A Comparative Analysis of The Efficacy of Cow, Chicken And Pig Wastes on Spinach (spinacia oleracea) as Alternatives to Artificial Fertilizers.

ABSTRACT Spinach (Spinacia oleracea) is a low growing fleshly leaved annual plant that can be used as a vegetable and or to treat a variety of diseases. This study aimed at comparing the effectiveness of cow, chicken and pig manure on the plant height, leaf number, leaf length as well as root length of spinach. An experiment was conducted in a greenhouse at Africa University between the months of June and July 2018. The experiment was a randomised complete block design (RCBD) with chick...

An Investigation On The Prevalence And Drug Susceptibility Of Salmonella Enterica And Shigella Dysenteria Pathogens In Beitbridge Town

Abstract Salmonella enterica and Shigella dysenteria are different groups of Gram-negative bacteria. Salmonella infection affects the small and large intestine (enterocolitis) whereas Shigella infection affects the colon (colitis). Diarrhea, abdominal pain and fever are the main symptoms in both diseases. The study was conducted among Beitbridge residents who visited Beitbridge District Hospital suffering from diarrhea in the months December 2017 and January 2018. The aim of the stu...

Efficacy Of Chlorfenapyr And Clothianidin Insecticides On Anopheles Malaria Vector Populations Of Nyando, Bumula And Ndhiwa Sub-Counties, Western Kenya

ABSTRACTMalaria is a global health problem resulting in 435,000 deaths annually with 90% of the deaths occurring in sub-Saharan Africa. Over 70% of the Kenyan population is at risk of malaria and western Kenya is an endemic region with prevalence of 38%. The Anopheles gambiae complex and Anopheles funestus are the main vectors of human malaria in Africa with Anopheles gambiae sensu stricto and Anopheles gambiae arabiensis being the main vectors in western Kenya. Anopheles gambiae sensu strict...

Association Between Natural Cytotoxicity Triggering Receptor- 3 Polymorphisms (-172a/G And -412c/G) And Interferon-Gamma Levels In Children Aged 3-36 Months With Severe Plasmodium Falciparum

ABSTRACTIn sub-Saharan Africa, Plasmodium falciparum infection is a major cause of morbidity and mortality mostly among children under five years. In Kenya, severe malaria anaemia prevalence is at 19%. In malaria holo-endemic region of western Kenya, P. falciparum infections account for major proportion of children with anaemia that leads to severe malaria anaemia (SMA, Hb

Occurance Of Organic Compounds In Water And Sediments In Sebakwe River

ABSTRACT Pollution of the aquatic environment is a major global concern as it is emerging that pollutants such as organic compounds are rising each day. The anthropogenic activities such as agricultural and wastewater effluent contribute to the pollution of aquatic resources. The aim of this study was to determine the spatial occurrence and concentration of organic compounds in water and sediment along Sebakwe River in Kwekwe. Water and sediment samples were collected once in January 20...

A comparison of susceptibility to feeding by the black bean aphid (aphis fabae) between two varieties of beans (phaseolus vulgaris) (gloria and nua 45) commonly grown in zimbabwe.

ABSTRACT Gloria and Nua 45 are two of the most commonly grown sugar bean varieties in Zimbabwe. Beans are a cheap alternative source of protein and have been on high demand due to the ever-rising meat prices. Gloria and Nua 45 are being affected by the black bean aphid (Aphis fabae) feeding which is the most problematic insect pest of beans. The aphid feeds on foliage of plants resulting in stunted growth and reduced yields. A comparison of susceptibility to feeding by A. fabae was done...


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