Despite the highly economic value of tea in Africa, its genetic and geographic origins remain largely unexplored. Here we address this by collecting 439 samples across 11 countries in Africa and Asia to investigate the ...
Africa is one of the key centers of global tea production. Understanding the genetic diversity and relationships of cultivars of African tea is important for future targeted breeding efforts for new crop cultivars, specialty ...
Muturi, S. M.; Wachira, Francis N.; Karanja, L. S.; Wambulwa, Moses C.; Macharia, E.(Horizon Publisher India, 2013-11)
The
Banana streak virus
(
BSV
) is a causative agent of the banana streak disease (BSD) which causes
considerable damage to banana production in tropical countries. The virus
is vectored by
several ...
Wambulwa, Moses C.; Wachira, Francis N.; Karanja, L. S.; Kiarie, S. M.; Muturi, S. M.(Academic Journals, 2013-01-02)
Banana is the fourth most important food crop worldwide. However, its production has been threatened by banana streak disease, caused by banana streak virus (BSV). Despite this situation, little is known about the ...
Meegahakumbura, M. K.; Wambulwa, Moses C.; Thapa, K. K.; Li, M. M.; Möller, M.; Xu, J. C.; Yang, J. B.; Liu, B. Y.; Ranjitkar, S.; Liu, J.; Li, D. Z.; Gao, L. M.(Public Library of Science, 2016-05-24)
Background
Tea is the world’s most popular non-alcoholic beverage. China and India are known to be the largest tea producing countries and recognized as the centers for the domestication of the tea plant (Camellia ...
Wambulwa, Moses C.; Meegahakumbura, M. K.; Chalo, R.; Kamunya, S.; Muchugi, A.; Xu, J. C.; Liu, J.; Li, D. Z.; Gao, L. M.(Springer Verlag, 2016-02)
Tea is the most popular non-alcoholic beverage worldwide and is one of the most important tree cash crops in East Africa. However, no comprehensive study has been carried out on the genetic structure and diversity of tea ...
Kithinji, Kirima R.; Kanui, Titus I.; Ndathi, Aphaxard J. N.; Mwobobia, Royford M.(2017-06)
A survey to characterize pig production systems was carried out
among pig farmers in Embu West Sub County in Kenya. Data was
collected through observations, photography and structured
questionnaires administered to 104 ...
This study sought to investigate the spatial and temporal variations of aerosols over East Africa based on Moderate Resolution Imaging Spectroradiometer (MODIS) satellite sensor. A Hybrid Single Particle Lagrangian ...
Ngaina, Joshua N.; Mutua, F. M.; Muthama, N. J.; Kirui, J. W.; Sabiiti, G.; Mukhala, E.; Maingi, N. W.; Mutai, B. K.(2014-07)
Standardized Precipitation Index (SPI) is used to assess past, present and projected drought conditions
while Mann Kendall trend test and coefficient of variability is used for trend analysis. Observed data
from National ...
The study investigated potential of enhan-cing precipitation through cloud seeding duringOctober-November-December (OND) season.Rainfall, cloud top temperature (CTT), aerosoloptical depth (AOD) and wind data were ...
Ngaina, Joshua N.; Mutai, B. K.; Ininda, J. M.; Muthama, J. N.(2014)
This study sought to investigate the spatial and temporal variations of aerosols over Kenya based on
Moderate Resolution Imaging Spectroradiometer (MODIS) satellite sensor Aerosol Optical Depth (AOD) data
for the period ...
Ngaina, Joshua N.; Njoroge, James M.; Mutua, Francis; Mutai, Bethwel K.; Opere, Alfred O.(2014)
Real time flood forecasting is one of the most effective non- structural measures for flood management. In this
study, Ensemble Kalman Filter (EnKF) is used with Probability Distributed Moisture model (PDM) to forecast
flood ...
Introduction
To determine the immunostimulatory potential of crude extracts of Warburgia ugandensis subsp. ugandensis with a soluble leishmanial antigen in vaccinating BALB/c mice.
Methods
Seventy two female BALB/c mice ...
Mwangi, A. N.; Ng'ang'a, Zipporah W.; Wanzala, P.; Karanja, S. M.(Kenya Medical Association, 2014)
Background: The efficacy of anti-retroviral Therapy (ART) depends on adherence to the prescribed regimen. However, lack of adherence leads to treatment failure and drug resistance among other negative outcomes.
Objective: ...
Introduction: In Tanzania, the follow-up on antiretroviral therapy (ART) response is based on clinical outcomes. We investigated virological response and ARV resistance mutations in relation to clinical response in ARV-treated ...
Thiga, Jacqueline W.; Mutai, Beth K.; Eyako, Wurapa K.; Ng'ang'a, Zipporah W.; Jiang, Ju; Richards, Allen L.; Waitumbi, John N.(Centers for Disease Control and Prevention, 2015-04)
Serum samples from patients in Kenya with febrile illnesses were screened for antibodies against bacteria that cause spotted fever, typhus, and scrub typhus. Seroprevalence was 10% for spotted fever group, <1% for typhus ...
Daud, Ibrahim I.; Coleman, Carrie B.; Smith, Nicholas A.; Ogolla, Sidney; Simbiri, Kenneth; Bukusi, Elizabeth A.; Ng'ang'a, Zipporah W.; Sumba, Peter O.; Vulule, John; Ploutz-Snyder, Robert; Dent, Arlene E.; Rochford, Rosemary(Oxford University Press, 2015-05-17)
Background.We previously reported that infants in Kenya were infected with Epstein-Barr virus (EBV) at <6 months of age, suggesting that mothers were the likely source of transmissible virus to the infant. In this study, ...
Osoro, Eric M.; Munyua, Peninah; Omulo, Sylvia; Ogola, Eric; Ade, Fredrick; Mbatha, Peter; Mbabu, Murithi; Ng'ang'a, Zipporah W.; Kairu, Salome; Maritim, Marybeth; Thumbi, Samuel M.; Bitek, Austine; Gaichugi, Stella; Rubin, Carol; Njenga, Kariuki; Guerra, Marta(American Society of Tropical Medicine and Hygiene, 2015-08-05)
Brucellosis is a common bacterial zoonotic infection but data on the prevalence among humans and animals is limited in Kenya. A cross-sectional survey was conducted in three counties practicing different livestock production ...
Introduction
In spite of the critical role of Emergency Obstetric Care in treating complications arising from pregnancy and childbirth, very few facilities are equipped in Kenya to offer this service. In Malindi, availability ...
Background
Aedes aegypti is a competent arthropod vector of chikungunya virus (CHIKV). The rate at which the virus disseminate in the vector is limited by temperature of their environment which can be an important ...