Browsing Biotechnology by Title

Now showing items 1-20 of 96

Alkaline Protease Production by an Alkaliphilic Bacterial Isolate Under Solid State Fermentation

Haile, Gizachew (Addis Ababa University, 2009-08)

A total of 240 alkaliphilic microorganisms isolated from samples collected from alkaline soda lakes of Ethiopia were screened for the production of alkaline proteases. Of these, 30% were protease positive indicating the ...
Antagonistic and Antibiotic Effects of Endophytic and Rhizobacteria of Sugarcane Plant at Wonji Sugar Estate, Ethiopia

Tilahun Sefinew (Addis Ababa University, 2013-06-06)

The thesis targeted to identify the endophytic, (leaf and root) and rhizobacteria of three sugarcane sample plants taken from different sites of Wonji sugar estates plantation. Accordingly, leaf and root samples cleared ...
Antimicrobial Properties of Endophytic and Rhizospheric Fungi Associated With Some Medicinal Plants

Shemsedin, Fertuna (Addis Ababa University, 2020-09-09)

Nowadays the development of multidrug resistant human pathogenic microorganisms and the emergence of new diseases are the most challenging problems in public health care on a global scale. To overcome this problem it needs ...
Assessing the Prevalence and Causes of Sport Injuries in Selected Ethiopian Premier League Football Clubs.

Lemma, Admasu (Addis Ababa University, 2018-07-02)

The purpose of this study was to assess and evaluate the prevalence and causes of sport injures in selected Ethiopian premier league football clubs. For the implementation of the Study, a descriptive survey design was ...
Assessment of Diversity, Morphological Variation and Description of Grasspea (Lathyrus Sativus) and Other Related Species

Tsegaye, Martha (Addis Ababa University, 2007-03)

Lathyrus sativus (grasspea) has been widely cultivated in South Asia and Ethiopia for over 2500 years and is used as a food and feed. It is rich in protein content, around 30 g/100 g edible seeds. Agronomically, the ...
Bioethanol Production Via Fermentation of Waste Substrates Using Yeast Isolates

Tsegu, Getu (Addis Ababa University, 2019-05-05)

Bioethanol is one biomass derived platform molecules which has a potential to be a sustainable feedstock for a variety of commodity chemicals. The aim of this study was to produce bioethanol from grain waste flour, tella ...
Biological and Ecological Studies on Acacia Drepanolobium Harms Ex Sjöstedt in Borana Zone of Oromiya Regional State, Ethiopia

Maryo, Melesse (Addis Ababa University, 2003-06)

The biological and ecological studies of A. drepanolobium: the floristic composition in A. drepanolobium wooded grassland, soil properties, seed production, seed dispersal, soil seed bank, percent seed germination at ...
Characterization of Diarrheagenic Escherichia Coli Strains Isolated From Dairy Calves in Fiche, Debretsige and Muketuri Towns; North Shoa, Ethiopia

Endale, Abinet (Addis Ababa University, 2018-06-03)

Diarrheagenic E. coli (DEC) strains are associated with several outbreaks and sporadic cases worldwide. Understanding the nature of the organisms is important in order to tailor preventive and control strategies before any ...
Characterization of Wild Indigenous Yeasts from Molasses and other Sugary Substrates and their Potential for Bioethanol Production

Degu, Sisay (Addis Ababa University, 2021-05-09)

The increasing demand of energy has been supplied through the combustion of petroleum throughout the world. Due to escalating cost of petroleum, its contribution to global warming and non-renewable nature of this oil, there ...
Characterization of Wild Yeasts Isolated from Selected Fruits for their Bread Leavening Capacity

Lakew, Eshet (Addis Ababa University, 2017-06)

Leavening agents are important in raising flour dough. Biological leavening agents are microorganisms that have the ability to produce carbon dioxide from the utilization of Sugar and thereby ferment and raise the dough. ...
Chromatic Polynomial

Tamiru, Abebu (Addis Ababa University, 2018-05-07)

In this project, based on articles published by(Coudy Fouts), we see how Incidence Algebra in particular, M obius Inversion Theorem is used to compute the Chromatic Polynomials of graphs. This is one of the various ...
Detection of Selection Signatures Breed-Specific SNPs and Linkage Disequilibrium Analysis in Ethiopian Indigenous and European Dairy Cattle Breeds

Dejene, Genet (Addis Ababa University, 2021-11-20)

Ethiopia ranks first in Africa with the largest number of cattle populations adapted to diverse environments. Detection of selection signatures and assessment of linkage disequilibrium enable us to asses genetic diversity ...
Determinants of Leather Export From Ethiopia: Application of Vector Error Correction Model

Mamo, Getnet (Addis Ababa University, 2018-06-06)

Determinants of leather export from Ethiopia. Application of vector error correction model. Getnet Mamo Addis Ababa, 2018 Leather manufacturing is one of the oldest industry globally and particularly in Ethiopia which ...
Determination of Viral Titer and Symptom Severity Variations in Maize Chlortic Mottle and Sugarcane Mosaic Virus Infected Maize Genotypes in Ethiopia

Tesfu, Kalkidan (Addis Ababa University, 2018-01-03)

The co-infection of Maize chlorotic mottle virus (MCMV) and Sugarcane mosaic virus (SCMV) can cause maize lethal necrosis. Though some studies were conducted to determine the incidence of MCMV and SCMV in Ethiopia, the ...
Development and Evaluation of Multiplex Pcr for Simultaneous Detection of Major Bovine Mastitis Causing Pathogens

Assefa, Yared (Addis Ababa University, 2018-02-02)

Mastitis is the most frequently occurring and economically one of the most important infectious disease in dairy cows. In most clinical laboratories, identification methods are based on microbiological culturing of milk ...
Distribution and Genetic Diversity of Maize (Zea Mays L.) Associated Dna and Rna Viruses in Ethiopia

Guadie Demsachew (Addis Ababa University, 2019-10-10)

Maize (Zea mays L.) is leading cereal crop in terms of production in Ethiopia. However, achieving its yield potential is hindered by a number of biotic and abiotic factors. To enhance its productivity, these limiting factors ...
Diversity and Efficiency of Cyanide Degrading Alkaliphilic Bacteria from Ethiopian Soda Lakes

Mekuaninte, Birhanu (Addis Ababa University, 2010-06)

The aim of this study was to isolate and characterize cyanide degrading alkaliphilic bacteria from Ethiopian Soda Lakes. Seventy two isolates capable of growing on a medium provided with cyanide as a sole nitrogen source ...
Diversity of Culturable Alkaliphilic Denitrifying Bacteria in Four Soda Lakes of Ethiopia

Tilahun, Lulit (Addis Ababa University, 2010-12)

Denitrifying bacteria (95 in number) were isolated from the four Soda Lakes of Ethiopia namely, Lake Abijata, Lake Arenguade, Lake Chitu and Lake Shalla. Similar species of denitrifying bacteria were identified from the ...
Diversity of Onion Basal Rot (Fusarium Isolates) and Their Management Using Bacillus Isolates Under Laboratory and Glasshouse Conditions

Chebte Abreham (Addis Ababa University, 2015-10)

In Ethiopia onion has an immense economic, nutritional and medicinal value among all vegetables. The crop is also proved to be income generating for smallholder farmers of east Shewa. However, basal rot disease has put ...
Dye Biodegradation Using Alkalophillic Consortia in Anaerobic-Aerobic Bioprocess

Gessesse, Belay (Addis Ababa University, 2009-07)

The decolorization and Chemical Oxygen Demand (COD) removal efficiency of consortia of alkalophilic microorganisms was evaluated in a contineous anaerobic/aerobic reactor system. The biodegradation products of RR 184 in ...

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