Department of Biological Sciences
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Recent Submissions
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Evaluation of the Kenya long line pelagic fishery: Temporal variation in fishing effort and catch rates
(Science Direct, 2022)Pelagic fishes support a vital part of the local and export production and trade at global, regional, and local levels. In the Western Indian Ocean, pelagic fishes are mainly exploited by purse-seiners and long-line ... -
Nanopore metatranscriptomics reveals cryptic catfsh species as potential Shigella fexneri vectors in Kenya
(www.nature.com/scientificreports, 2022)Bacteria in the Shigella genus remain a major cause of dysentery in sub-Saharan Africa, and annually cause an estimated 600,000 deaths worldwide. Being spread by contaminated food and water, this study highlights how ... -
Ultrastructure of the Infection of Sorghum bicolor and Zea mays by Pythium species
(Asian Journal of Research in Biosciences, 2022)The practice of cultivating mixed crops is common in tropical Africa and elsewhere, especially in areas of high population density. The practice of mixed cropping can promote disease spread especially in multi-host ... -
Plant regeneration from leaf mesophyll derived protoplasts of cassava (Manihot esculenta Crantz)
(PLOS ONE, 2022)A high yield of isolated protoplast and reliable regeneration system are prerequisite for suc- cessful somatic hybridization and genome editing research. However, reproducible plant regeneration from protoplasts remains ... -
A prospective cohort study of Plasmodium falciparum malaria in three sites of Western Kenya
(BMC, 2022)Abstract Background: Malaria in western Kenya is currently characterized by sustained high Plasmodial transmission and infection resurgence, despite positive responses in some areas following intensifed malaria control ... -
Vertical habitat use by black and striped marlin in the Western Indian Ocean
(MARINE ECOLOGY PROGRESS SERIES, 2022)ABSTRACT: Black marlin Istiompax indica and striped marlin Kajikia audax are large, fast- swimming, oceanic apex predators. Both species are increasingly exploited by fisheries with varied gear encounter rates at ... -
High prevalence of curable sexually transmitted infections among pregnant women in a rural county hospital in Kilifi, Kenya
(PLOS ONE, 2017-03-31)Background Women attending antenatal care (ANC) in resource-limited countries are frequently screened for syphilis and HIV, but rarely for other sexually transmitted infections (STIs). We assessed the prevalence of ... -
Molecular typing of Trichomonas vaginalis isolates by actin gene sequence analysis and carriage of T. vaginalis viruses
(Parasites & Vectors, 2017)Background: The protozoan parasite Trichomonas vaginalis is the most common non-viral, sexually transmitted pathogen. Although T. vaginalis is highly prevalent among women in Kenya, there is lack of data regarding genetic ... -
Movement ecology of black marlin Istiompax indica in the Western Indian Ocean
(Journal of Fish Biology published by John Wiley & Sons Ltd on behalf of Fisheries Society of the British Isles, 2021-05)The black marlin Istiompax indica is an apex marine predator and is susceptible to overfishing. The movement ecology of the species remains poorly known, particularly within the Indian Ocean, which has hampered assessment ... -
Potential of Vetiver Grass (Chrysopogon zizanioides) in Phytoremediation of Kipevu Wastewaters
(Kenya Aquatica Journal, 2019-12-30)Wastewater treatment worldwide has mainly been done using physical, chemical and biological treatment systems such as activated sludge and biological nutrient removal technologies. Mombasa produces large amounts of ... -
Effects of Greenhouse and Stocking Density on Growth and Survival of African Catfish ( Clarias gariepinus Burchell 1822) Fry Reared in High Altitude Kenya Regions
(http://www.ijsr.net/, 2012)Production of African catfish (Clarias gar iepinus) under culture in high altitude ar eas has faced challenges due to slow growth related to low temperatur es. This study was therefore designed to test the hypothesis ... -
SURVEY OF MEDICINAL PLANTS USED BY THE GIRIAMA OF BASI, KENYA
(Pharmaceutical Journal of Kenya, 2014)Keywords: Giriama; Ethno-medicine; Deinbollia; Clerodendrum; Gardenia; herbal remedies; sustainability Background: Though the Giriama people of Kenya rely mostly on ethno-medicine to manage human ailments, the indigenous ... -
Additive main effects and multiplicative interaction analysis of genotype x environmental interaction among sweetpotato genotypes
(Journal of Animal & Plant Sciences, 2009)Sweetpotato is an important food, feed and cash crop in Eastern Africa. Highly stable and adaptable genotypes are important in sweetpotato productivity and evaluation across sites would form a basis for breeding varieties ... -
A New Subgroup of Rhizoctonia AG-D, AG-D III, Obtained from Japanese Zoysia Grass Exhibiting Symptoms of a New Disease
(The American Phytopathological Society, 2006)Hayakawa, T., Toda, T., Ping, Q., Mghalu, J. M., Yaguchi, S., and Hyakumachi, M. 2006. A new subgroup of Rhizoctonia AG-D, AG-D III, obtained from Japanese zoysia grass exhibiting symptoms of a new disease. Plant Dis. ... -
EX VIVO INTERFERON-GAMMA IMMUNE RESPONSE TO THROMBOSPONDIN-RELATED ADHESIVE PROTEIN IN COASTAL KENYANS: LONGEVITY AND RISK OF PLASMODIUM FALCIPARUM INFECTION
(American Journal of Tropical Medicine and Hygiene, 2003)Abstract. Thrombospondin-related adhesive protein (TRAP) of Plasmodium falciparum iscurrently being tested in human vaccine studies. However, its natural reactivity in the field remainspoorly characterized. More than 40% ... -
Age-Specific Immunoglobulin G (IgG) and IgA to Pneumococcal Protein Antigens in a Population in Coastal Kenya
(Infection and Immunity, 2004-06)Streptococcus pneumoniae is the primary etiological agent of community-acquired pneumonia and a major cause of meningitis and bacteremia. Three conserved pneumococcal proteins—pneumolysin, pneumococcal surface adhesin A ... -
Sickle Cell Trait and the Risk of Plasmodium falciparum Malaria and Other Childhood Diseases
(Journal of Infectious Diseases, 2005-07)Background—The gene for sickle hemoglobin (HbS) is a prime example of natural selection. It is generally believed that its current prevalence in many tropical populations reflects selection for the carrier form (sickle ... -
Heritability of Malaria in Africa
(PLoS MEDICINE, 2008-11-08)Background While many individual genes have been identified that confer protection against malaria, the overall impact of host genetics on malarial risk remains unknown. Methods and Findings We have used pedigree-based ... -
CELLULAR REACTIVITY TO THE P. FALCIPARUM PROTEIN TRAP IN ADULT KENYANS: NOVEL EPITOPES, COMPLEX CYTOKINE PATTERNS, AND THE IMPACT OF NATURAL ANTIGENIC VARIATION
(American Journal of Tropical Medicine and Hygiene, 2006)Malaria vaccines based on thrombospondin-related adhesive protein of Plasmodium falciparum (Pf TRAP) are currently undergoing clinical trials in humans. This study was designed to investigate naturally acquired cellular ... -
The Effect of aþ-Thalassaemia on the Incidence of Malaria and Other Diseases in Children Living on the Coast of Kenya
(PLos Medicine, 2006-04-18)Background The a-thalassaemias are the commonest genetic disorders of humans. It is generally believed that this high frequency reflects selection through a survival advantage against death from malaria; nevertheless, ...