Browsing Articles: Department of Biological Sciences by Author "Kenya, Eucharia U."
Now showing items 1-15 of 15
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Amplicon-based assessment of bacterial diversity and community structure in three tropical forest soils in Kenya
Kenya, Eucharia U.; Kinyanjui, Grace; Kipnyargis, Alex C.; Kinyua, Franklin; Mwangi, Mary; Khamis, Fathiya; Mwirichia, Romano K. (Heliyon, 2022-11)Forest soils provide a multitude of habitats for diverse communities of bacteria. In this study, we selected three tropical forests in Kenya to determine the diversity and community structure of soil bacteria inhabiting ... -
Analysis of genetic diversity in Eucalyptus grandis (Hill ex Maiden) seed sources using inter simple sequence repeats (ISSR) molecular markers
Okun, D.O.; Kenya, Eucharia U.; Oballa, P.O.; Odee, D.W.; Muluvi, G.M. (Academic Journals, 2008-07-04)Eucalyptus grandis is an economically important tree species that is native to the Australian continent and its northern neighbours, where it is grown primarily for its hard wood timber and pulp for paper industries. It ... -
Biosafety education relevant to genetically engineered crops for academic and non-academic stakeholders in East Africa
Sengooba, Theresa; Grumet, Rebecca; Hancock, James; Zawedde, Barbara; Kitandu, Lazaro; Weebadde, Cholani; Karembu, Margaret; Kenya, Eucharia U. (2009-01-15)Development and deployment of genetically engineered crops requires effective environmental and food safety assessment capacity. In-country expertise is needed to make locally appropriate decisions. In April 2007, biosafety ... -
Characterization of algae oil (oilgae) and its potential as biofuel in Kenya
Abubakar, L.U.; Mutie, A.M.; Kenya, Eucharia U. (2012-05)A survey of microalgae biodiversity in three Kenyan Rift valley lakes identified high oil yielding species abundantly distributed naturally. The species were cultured in BBM and BG-11 media to obtain pure clones and lipids ... -
Detection of trypanosomes in small ruminants and pigs in western Kenya: important reservoirs in the epidemiology of sleeping sickness?
Ng'ayo, Musa O.; Njiru, Zablon K.; Kenya, Eucharia U.; Muluvi, Geoffrey M.; Osir, Ellie O.; Masiga, Daniel K. (2005-07-14)Background: Trypanosomosis is a major impediment to livestock farming in sub-Saharan Africa and limits the full potential of agricultural development in the 36 countries where it is endemic. In man, sleeping sickness is ... -
Differential Induction of Proteins in Anopheles gambiae sensu stricto (Diptera: Cullicidae) Larvae in Response to Heavy Metal Selection
Mireji, Paul O.; Keating, Joseph; Kenya, Eucharia U.; Mbogo, Charles; Nyambaka, Hudson; Osir, Ellie; Githure, John; Beier, John (National Institute of Health, 2010-07-21)Investigations were conducted to establish the magnitude and pattern of differential expression of proteins due to generational selection of third instar An. gambiae s.s. larvae by cadmium, copper and lead heavy metals, ... -
Distribution of indigenous strains of atoxigenic and toxigenic Aspergillus flavus and Aspergillus parasiticus in maize and peanuts agro‑ecological zones of Kenya
Okun, Daniel O.; Kenya, Eucharia U.; Khamis, Fathiya M.; Muluvi, Geoffrey M.; Ngeranwa, Joseph J.; Ombura, Fidelis O.; Yongo, Moses O. (Springer (BioMed Central Ltd), 2015-09)Background Grains of important food and export crops in Africa are susceptible to contamination by toxin-producing moulds. Aflatoxins are mycotoxins associated with liver damage and cancer in humans and animals. These ... -
Expression of metallothionein and tubulin in heavy metal-tolerant Anopheles gambiae sensu stricto (Diptera:Culicidae).
Mireji, Paul O.; Keating, Joseph; Hassaali, Ahmed; Impoinvil, Daniel E.; Mbogo, Charles; Muturi, Martha; Nyambaka, Hudson; Kenya, Eucharia U.; Githure, John; Beier, John (Elsevier, 2010)Anopheles mosquitoes have been shown to adapt to heavy metals in their natural habitats. In this study we explored the possibility of using Anopheles gambiae sensu stricto as bioreporters for environmental heavy metal ... -
The Glossina proteolytic lectin (Gpl) gene is expressed only in members of Glossina species
Burugu, M.W.; Mbatia, B.N; Osir, E.O.; Kenya, Eucharia U.; Abubakar, L.U. (2008)Differentiation of bloodstream-form trypanosomes into procyclics in tsetse flies (Diptera: Glossinidae) is a crucial step in the establishment of midgut infections. A number of factors have been implicated in the ... -
The Glossina proteolytic lectin (Gpl) gene is expressed only in members of Glossina species
Burugu, M.W.; Mbatia, B.N; Osir, E.O.; Kenya, Eucharia U.; Abubakar, L.U. (2007-12)Differentiation of bloodstream-form trypanosomes into procyclics in tsetse flies (Diptera: Glossinidae) is a crucial step in the establishment of midgut infections. A number of factors have been implicated in the transformation ... -
Pathogenic Escherichia coli and food handlers in luxury hotels in Nairobi, Kenya
Onyango, Abel O.; Kenya, Eucharia U.; Ng'ayo, Musa O.; Mbithi, John (Elsevier, 2009-05)Background: The epidemiology and virulence properties of pathogenic Escherichia coli among food handlers in tourist destination hotels in Kenya are largely uncharacterized. Method: This cross-sectional study among ... -
Prevalence of Metabolic Syndrome Among an Urban Population in Kenya
Kaduka, Lydia U.; Kombe, Yeri; Kenya, Eucharia U.; Kuria, Elizabeth; Bore, John K.; Bukania, Zipporah N.; Mwangi, Moses (2012-04)OBJECTIVE: Developing countries are undergoing an epidemiologic transition accompanied by increasing burden of cardiovascular disease (CVD) linked to urbanization and lifestyle modifications. Metabolic syndrome is a cluster ... -
Seroprevalence of foot-and-mouth disease virus in cattle herds raised in Maasai Mara ecosystem in Kenya
Nthiwa, Daniel; Bett, Bernard; Odongo, David; Kenya, Eucharia U.; Wainaina, Martin; Grazioli, Santina; Foglia, Efrem; Brocchi, Emiliana; Alonso, Silvia (Elsevier, 2020-03)A cross-sectional study was carried out to determine foot-and-mouth disease (FMD) seroprevalence and identify risk factors of exposure among cattle herds raised in three zones with different types of land use and ... -
Uncovering the tracks of a recent and rapid invasion: the case of the fruit fly pest Bactrocera invadens in Africa.
Khamis, F.M.; Karam, N.; Ekesli, S.; De Meyer, M.; Bonomi, A.; Gomulski, L.M.; Scolaris, F.; Gabrieli, P.; Siciliano, S.; Masinga, D.; Kenya, Eucharia U.; Gasperi, G.; Malacrida, A.R.; Guglielmino, C.R. (Blackwell Publishing Ltd, 2009-09-10)Phytophagous insects of the genus Bactrocera are among the most economically important invasive fruit fly pests. In 2003, an unknown Bactrocera species was found in Kenya. First identified as an ‘aberrant form’ of the ... -
Urinary soluble egg antigen levels in Schistosoma haematobium infection in relation to sex and age of Kenyan schoolchildren following praziquantel treatment
Kihara, Jimmy H.; Njagi, Eliud N.; Kenya, Eucharia U.; Mwanje, Marium T.; Odek, Adel E.; van Dam, Govert; Kahama, Anthony I.; Ouma, John (2009-08)Schistosoma haematobium soluble egg antigen (SEA) secreted in urine can be assayed to determine egg tissue load and hence morbidity in infected individuals. A cohort of 158 infected children aged 4-18 years was followed-up ...