Intellectual Property
Patent 2020:
Title: Process of Blocking Transmission of Plasmodium Gametocytogenesis using Juliprosopine from Prosopis juliflora
Authors: Jackson Mbithi Muema, Joel Ltilitan Bargul, James Mutuku Mutunga, Ramadhan Suleiman Mwakubambanya, Meshack Amos Obonyo. ( Kenya Industrial Property Insitute www.kipi.org).
Peer Reviewed Scientific Publications (2008-2020):
2020
Lucy J. Kiptui , Faith J. Toroitich, Dora C. Kilalo, and Meshack Obonyo. Interaction between Cowpea Aphid-Borne Mosaic Virus Isolates and Its Effect on Passion Fruit Woodiness Disease on Passiflora edulis Sims and Passiflora ligularis Juss. Advances in Agriculture (2020,) https://doi.org/10.1155/2020/8876498
Mukandungutse B Isabelle, James K Tuitoek, Anthony M King’ori, and Meshack A Obonyo. The Effect of Fermented Aflatoxins Contaminated Feed on Digestibility and Performance of Broiler Chickens, No 32a/E/KPT/2017. ISSN 1411-2027. Animal Production. 22(1):37-42, 2020.
Anti-bacterial activity of secondary metabolites from Chrysanthemum cinerariaefolium
Caroline J. Kosgei, Josphat C. Matasyoh, Meshack Obonyo, Festus Tolo, Peter Mwitari, Beatrice Irungu, Lucia Keter and Richard Korir. Journal of Medicinal Plants Research., ISSN: 1996-0875. Accepted, 24 Februrary, 2020.
Development of an ELISA-based method for testing aflatoxigenicity and aflatoxigenic variability among Aspergillus species in culture. Micah Kipkemboi Lagat , Faith Jebet Toroitich, Meshack Amos Obonyo.Scientific African 7 (2020).
2019
The effect of fermentation with and without Saccharomyces cerevisiae on the levels of aflatoxin in maize. Mukandungutse B I, J K Tuitoek, A M King’ori and M A Obonyo. Livestock Research for Rural Development 31 (11) 2019.
Modulation of Aflatoxin Production by Interaction of Aspergillus Species from Eastern Kenya. Micah Kipkemboi Lagat , Faith Jebet Toroitich*, Meshack Amos Obonyo, Huxley Mae Makonde. IOSR Journal of Environmental Science, Toxicology and Food Technology (IOSR-JESTFT).
Influence of task-based airborne lead exposures on blood 3 lead levels: a case study of informal automobile repair 4 artisans in Nakuru town, Kenya. Odongo Alfred Owino . W. N. Moturi . Meshack Obonyo. Environ Geochem Health https://doi.org/10.1007/s10653-019-00464-7(0123456789().,-volV)( 0123458697().,-vol Accepted: 29 October 2019.
Health Effects of Occupational Lead Exposures among Informal Automobile Repair Artisans: A Case Study of Nakuru Town, Kenya. Owino, A, Wilkister Nyaora, Obonyo, MA. International Journal of Toxicology and Environmental Health, 4(2): 079-088
Risk of high blood lead levels among informal sector automobile artisans: a case study of Nakuru town, Kenya. Owino, A, Wilkister Nyaora, Obonyo, MA. International Journal of Environment and Health, Vol. 9, No. 3, 2019
Prevalence of aflatoxins contamination in commercial broiler feeds in Kenya.
F N Thuita, J K Tuitoek, A M King’ori and M A Obonyo. Livestock Research for Rural Development, Volume 31, Number 1, January 2019 ISSN 0121-3784
2018
Perennial and seasonal contamination of maize by aflatoxins in eastern Kenya. Meshack Amos Obonyo and Elsie Nyangweso Salano. International Journal of Food Contamination (2018) 5:6 https://doi.org/10.1186/s40550-018-0069-y
Maize Chlorotic Mottle Virus Induces Changes in Host Plant Volatiles that Attract Vector Thrips Species. Nelson L. Mwando, Amanuel Tamiru, Johnson O. Nyasani, Meshack A. Obonyo, John C. Caulfield, Toby J. A. Bruce, Sevgan Subramanian. Journal of Chemical Ecology (2018) https://doi.org/10.1007/s10886-018-0973-x
Preliminary screening of aqueous extract of Piper guineense against aflatoxin biosynthesis in Aspergillus flavus and A. parvisclerotigenus. Ezekiel, C.N., Sulyok, M., Anokwuru, C.P., Amos-Tautua, B.M.W., Oni, O.E., Anyasor, G.N., Obonyo, M.A. and Krska, R. acta SATECH 10 (1):20-36(2018).
Isolation, identification and bioactivity of fungal endophytes from selected Kenyan medicinal plants. Velma Wekesa Nasimiyu, Isabel Nyokabi Wagara, Meshack Amos Obonyo and
Josphat Clement Matasyoh. (Vol. 12(17), pp. 405-412, 7 May, 2018). DOI: 10.5897/AJMR2017.8544.
Impact of companion cropping on incidence and severity of maize ear rots and mycotoxins in Western Kenya. Maxwell J. Owuor, Charles A. O. Midega, Meshack Obonyo and Zeyaur R. Khan. African Journal of Agricultural Research, Vol. 13(41), pp. 2224-2231, DOI: 10.5897/AJAR2018.13396.
2017
First genetic identification of Pilobolus (Mucoromycotina Mucorales) from Africa (Nairobi National Park, Kenya) A.M. Aluoch, M.Y. Otiende, M.A. Obonyo, P.G. Mungai, D.O. Okun, S. Angelone-Alasaad, M.J. Jowers South African Journal of Botany 111 (2017) 182–188.
Distribution of Aspergillus and Fusarium ear rot causative fungi in soils under push-pull and maize monocropping system in Western Kenya. Maxwell J. Owuor, Charles A. O. Midega, Meshack A. Obonyo and Zeyaur R. Khan. Vol. 11(37), pp. 1411-1421, 7 October, 2017. DOI: 10.5897/AJMR2017.8685.
2016
Biochemical relationships involving multiple virus infections, dry matter and selected nutritional attributes in orange fleshed sweetpotato. S.M. Kiarie, L.S. Karanja, M. Obonyo and F.N. Wachira. Acta Hortic. 1118. ISHS (2016). DOI 10.17660/ActaHortic.2016.1118.20.
Application of SSR Markers in Determination of Putative Resistance to SPVD and Genetic Diversity among Orange Fleshed Sweet Potato. S. M. Kiarie1, L. S. Karanja, M. A. Obonyo, and F. N. Wachira. Journal of Advances in Biology & Biotechnology. 9(2): 1-10, 2016;
Diversity of putatively toxigenic Aspergillus species in maize and soil samples in an aflatoxicosis hotspot in Eastern Kenya. Elsie Nyangweso Salano, Meshack Amos Obonyo, Faith Jebet Toroitich, Benard Omondi Odhiambo and Bonaventure Omondi Aman. African Journal of Microbiology Research. (Vol. 10(6), pp. 172-184, 14 February, 2016). DOI: 10.5897/AJMR2015.7645.
Grazing intensity contributes to cyanogenic toxicity in Savannah grasses in Baringo County. Alfayo, K, Maranga E. K, Obonyo M. International Journal of Biological Research, 4 (2) (2016) 91-96
Occurrence of Aflatoxins in Feed Ingredients Used For Feeding Indigenous Chicken in Baringo and Kisumu Counties, Kenya. Atela J. A. ,Tuitoek J. and Onjoro P. A., Obonyo M, Judith C. K (IOSR-JAVS).Volume 9, Issue 1 Ver. I (Jan. 2016), PP 40-44.
The Prickly Pear Cactus (Opuntia Fiscus-Indica) Cladode Extracts Modulate Blood Sugar in Swiss White Albino Mice Peris Moraa Mokua, Oscar Mayunzu, Meshack Obonyo, John Thuita, James Mutuku, Jane Rutto, Grace Murilla. International Journal of Diabetes Research 2016, 5(3): 41-47 DOI: 10.5923/j.diabetes.20160503.01.
Potency of extracts of selected plant species from Mbeere, Embu County-Kenya against
Mycobacterium tuberculosis. Sospeter Ngoci Njeru and Meshack Amos Obonyo. Journal of Medicinal Plants Research Vol. 10(12), pp. 149-157, 25 March, 2016. DOI: 10.5897/JMPR2016.6044.
Antimicrobial and cytotoxicity properties of the organic solvent fractions of Clerodendrum myricoides (Hochst.) R. Br. ex Vatke: Kenyan traditional medicinal plant Sospeter Ngoci Njeru, Meshack Obonyo, Samwel Nyambati, Silas Ngari, Ramadhan Mwakubambanya, Hawa Mavura Journal of Intercultural Ethnopharmacology. (April 16, 2016) DOI: 10.5455/jice.20160416122003
2015
Bioactivity of Cissampelos pareira medicinal plant against Mycobacterium tuberculosis. Sospeter Ngoci Njeru, Meshack A. Obonyo, Samwel O. Nyambati, Silas M. Ngari. Journal of Pharmacognosy and Phytochemistry 2015; 3(6): 167-173.
Antischistosomal Effects of Selected Methanolic Plant Extracts in Swiss Albino Mice Infected with Schistosoma mansoni. Jackson M. Muema, Meshack A. Obonyo, Sospeter N. Njeru and Joseph K. Mwatha. European Journal of Medicinal Plants 9(1): 1-11, 2015, ISSN: 2231-0894.
Morphological Diversity of Ascobolus and Pilobolus Fungi from Wild Herbivore Dung in Nairobi National Park, Kenya. Aluoch AM, Obonyo MA, Okun DO, Akinyi A, Otiende YM, Mungai PG. (2015). Journal of Microbiology Research 2015, 5(4): 134-141 DOI: 10.5923/j.microbiology.20150504.03.
Antimicrobial and cytotoxicity properties of the crude extracts and fractions of Premna resinosa (Hochst) Schauer (Compositae): Kenyan traditional medicinal plant. Sospeter Ngoci Njeru*, Meshack Amos Obonyo, Samwel Onsarigo Nyambati and Silas Mwaniki Ngari. BMC Complementary and Alternative Medicine. 15:295. 25 August (2015). DOI 10.1186/s12906-015-0811-4.
Antituberculous, antimicrobial, cytotoxicity and phytochemical activity study of Piliostigma thonningii extract fractions. Sospeter Ngoci Njeru, Meshack Amos Obonyo, Silas Mwaniki Ngari, Samwel Nyambati Onsarigo, John Mwaniki Njeru and Paul Kuria Kamweru. Journal of Medicinal Plants Research. Vol. 9(22), pp. 655-663, 10 June, 2015. DOI: 10.5897/JMPR2015.5822.
2014
Evolution and Structural Analyses of Glossina morsitans (Diptera: Glossinidae) Tetraspanins. Edwin Murungi, Henry Kariithi, Vincent Adunga, Meshack Obonyo and Alan Christoffels. Insects 2014, 5, 885-908; doi:10.3390/insects5040885.
Larvicidal activity of selected Aloe species against the Yellow fever mosquito (Aedes aegypti). Judith K Chore, Meshack Obonyo, Francis Wachira, Paul Mireji (International Journal of Insect Science), 14(202): 2014; doi: 10.1093/jisesa/ieu064 Dec 2014).
Susceptibility of the geographically isolated populations of the tomato red spider mite (Tetranuchus Evansi Baker & Pritchard) to commonly used acaricides on tomato crops in Kenya. Toroitich F.J, Knapp M, Nderitu J.H, Olubayo F. M, Obonyo M. (Journal of Entomological & Acarological Research) 46: 1469 January 2014. doi:10.4081/jear.2014.1469.
2013
Genetic diversity in Napier grass (Pennisetum purpureum Schumach.) cultivars: Implication on breeding and conservation. Bramwel wanjala, Meshack Obonyo , Francis Wachira , Alice Muchugi , Margaret Mulaa , Jagger Harvey , Robert Skilton , Janice Proud , Jean Hanson (AoB PLANTS, 27-03-2013).
2011
Sensilla on antennae, ovipositor and tarsi of the larval braconid parasitoids, Cotesia sesamiae and Cotesia flavipes (Hymenoptera: Braconidae): a comparative scanning electron microscopy study. Meshack Obonyo , Fritz Schulthess, Mathayo Chimtawi, Gérard Mascarel, Peter O. Ahuya, Bruno Le Ru , Johnnie van den Berg, Jean-François Silvain, Paul-André Calatayud. Annales de la Société Entomologique de France, (2011), 47 (1– 2) : 119-127.
2010
Importance of contact chemical cues in host recognition and acceptance by the braconid larval endoparasitoids Cotesia sesamiae and Cotesia flavipes Meshack Obonyo, Fritz Schulthess , Bruno Le Ru , Johnnie van den Berg , Jean-François Silvain ,Paul-André Calatayud. Biological Control 54 (2010) 270–275.
Host recognition and acceptance behaviour in Cotesia sesamiae and Cotesia flavipes, parasitoids of gramineous stemborers in Africa Meshack Obonyo, Fritz Schulthess, Bruno Le Ru, Johnnie van den berg and Paul-André Calatayud. European Journal of Entomology 107: (2010) 169–176.
2008
Location, acceptance and suitability of lepidopteran stem borers feeding on Sorghum bicolor Moench and Pennisetum purpureum Schumach. to the endoparasitoid Cotesia flavipes Cameron (Hymenoptera: Braconidae). Meshack Obonyo, Fritz Schulthess, Juma Gerald, Bernard Wanyama, Bruno Le Rü, Paul-André Calatayud. Biological Control 45 (2008) 36–47.