African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002

AJB Articles in press

Cordycepin Production by the Potential Fungal Strains Cordyceps militaris BCC 2819 and Cordyceps cicadae BCC 19788 in Submerged Culture during Batch and Fed-batch Fermentation

Article in Press

Cordycepin is one of the most important bioactive compounds, the low productivity and long production cycle of cordycepin are barriers to its commercialization. The optimal media for cordycepin production by Cordyceps militaris BCC 2819 and Corcyceps cicadae BCC 19788, which are potent cordycepin-producing-fungal strains, were determined through statistical experiments. Six nutrients including glucose, adenine, glycine,...

Author(s):Borworn Werapan, Pumin Nutaratat, Siriporn Ariyaphuttarat, and Wai Prathumpai

A COMPARATIVE STUDY OF TRANSGENIC COTTON DEVELOPMENT, IMPACTS, CHALLENGES AND PROSPECTS WITH RESPECT TO CHINA AND AFRICA

Article in Press

Cotton is grown in about 101 countries with about 10 countries including China contributing highest quantity. Africa contributes less than 5% to the global demand for cotton. Processing of cotton generate so many businesses for the rural people of China and Africa. Like other cotton producing continents, the majorly cultivated species of cotton in China and Africa is Gossypium hirsutisms Gh (Upland Cotton) and is mostly...

Author(s):Nnaemeka E. Vitalis and Yuqiang Sun

Application of DNA Fingerprint to Quality Control and Quality Assurance in Yellow Common Bean Seed System in Tanzania

Article in Press

Application of DNA fingerprint is the method which permits documentation of genetic material with high accuracy and permanency as it is not predisposed by environment, epistatic interactions and other factors. Seed quality and purity are the important key aspects to be maintained in seed multiplication and production to enhance yield and productivity. The aim of this study was to assess genetic purity of yellow bean...

Author(s):Fernando, A.I, Katuromunda, S.; Mukankusi C. & Engoke, C.S

Evaluation of Fagara zanthoxyloïdes and Mucuna pruriens extracts phenolic profile and their in vitro antioxidant activity

Article in Press

In this study, the antioxidant activity and phytochemical analysis of extracts from the bark of Fagara zanthoxyloides and seeds of Mucuna pruriens were performed. Phytochemical analysis quantified total polyphenols, flavonoids, tannins and anthocyanins and the antioxidant activity was evaluated by DPPH method. The high levels of polyphenols are obtained from the aqueous extract of F. zanthoxyloïdes (488.6 ± 1.1 GAE/g) and...

Author(s):Namkona A F , Worowounga X, Issa Madongo M, Semboli O, Moustapha F, M’beli G K.

Variability in the chemical composition and phenolic compounds of wild Tunisian populations of Nitraria retusa (Forssk.) Asch. and study of their antioxidant properties

Article in Press

Six wild populations of Nitraria retusa growing in Tunisia (Mehdia, Mtorech, Kataena, Matmata, Bechima, and Tataouine) were evaluated for their mineral contents, phytochemical composition, phenols content and antioxidants activity. The preliminary phytochemical composition revealed the presence of phenolic compounds such as flavonoids, sterols terpenes and free quinones. Analysis of mineral composition showed the poverty...

Author(s):Guedri Mkaddem Mounira, Krir Nouha, Daghsni Ons, Neffeti Mohamed and Mehrez Romdhane

Characterization of Plant Growth Promoting Rhizobacteria Isolated from Soils of Senegalese Semi-arid Sahelian Zone

Article in Press

The semi-arid Sahelian region of Africa, characterized by its deleterious agro-climatic conditions, is also subject to agricultural overexploitation to support human and livestock food. This situation has strongly accentuated the continuous degradation of arable land. However, green biotechnologies are often proposed to promote more sustainable agricultural systems. Thus, the soil microbiome is explored for the production...

Author(s):Ibrahima Diop, Adama Diouf, Fatou Ndoye, Georges Anicet Manga, Ramatoulaye Thiaba Samba-Mbaye, Mansour Thiao, Hassna Founoune-Mboup, Saliou Fall, Aboubacry Kane,

PRODUCTION AND CHARACTERISATION OF CHITOSAN FROM CHITIN OF SNAIL SHELLS BY SEQUENTIAL MODIFICATION PROCES

Article in Press

Chitin has already found applications in various products that have reached the market. The industrial production and usage of chitin have been gradually increasing since the 1970’s. The worldwide chitin production is estimated at approximately 1010 -1012 tons per annum. The major applications of chitin and chitosan are focused on water treatment, food processing and metal ion chelation. Chitin and its derivatives are...

Author(s):Abideen Adeyinka Adekanmi, Uthman Taiwo Adekanmi, Adeniyi Sheriffdeen Adekanmi

IMPROVED SSRs-BASED GENETIC DIVERSITY ASSESSMENT OF COCONUTS (Cocos nucifera L) ALONG THE COAST OF KENYA

Article in Press

Coconut is the most important cash crop along the Coast of Kenya, yet its genetic diversity has not been fully established. Genetic diversity study of 48 coconut genotypes, collected at the Coastal Kenya was conducted with 13 polymorphic short sequence repeats (SSRs) markers. SSR analysis was performed using GeneMapper while data analysis was done with PowerMarker and DARwin softwares. Analysis revealed a total of 68...

Author(s):Justus C. Masha, Najya Muhammed Vincent Njung’e, Maurice E. Oyoo and Manfred Miheso

Investigation of the effect and possible mechanism of antihypertensive activity of lycopene -rich extract of Solanum lycopersicon in Wistar rats

Article in Press

Background: Hypertension is a common debilitating illness among people in both developed and developing countries. This study investigated the effect and possible mechanism of the antihypertensive activity of lycopene-rich extract of Solanum lycopersicon (LRESL) on Wistar rats. Methods: Sixty (60) hypertensive Wistar rats were divided into seven experimental groups viz: Group A served as a normotensive group and received...

Author(s):Ani Celestine Okafor , Maduka Nweke Luke, Okeke Pearl Adaobi, Okolo Kenneth Obinna, Ndubuisi Richard Nonso, Okorie Pamela Onyinye, Nwachukwu Daniel Chukwu

Adsorption of Lead, Cadmium and Mercury Ions in Aqueous Solution using Groundnut and Sheanut Shells Biochars

Article in Press

The adsorption performance of toxic ions and effect of initial pH using groundnut shells and sheanut shells biochars were studied to ascertain the practical and theoretical basis of the use of biochars to remediate water pollution. Biochars were prepared using groundnut and sheanut shells as the feed stocks. The removal efficiencies of lead (Pb) were 100%, > 65.90% for cadmium (Cd) and 96.70% for mercury (Hg) in mono...

Author(s):Abudu Ballu Duwiejuah , Abdul-Halim Abubakari, Albert Kojo Quainoo, Yakubu Amadu and Abdul-Aziz Bawa

Multi-environmental Evaluation of Large Red Mottled bean (Phaseolus vulgaris L.) genotypes in West and Kelem Wollega Zones of Western Oromia

Article in Press

Common bean is a tropical diploid (2n = 22), self-pollinating crop, and a member of the fabaceae family which is most important food legume rich in cheap and easily affordable protein, minerals, vitamins, and essential amino acids. Large Red mottled common bean genotypes were one of the known categories of common bean genotypes with increasing market and home consumption demand in west Oromia. Multi-environmental...

Author(s):Dereje Abera, Biru Alemu, Tashome Gutu

In-house Enzyme Blends from Polyporus ciliatus CBS 366.74 for Enzymatic Saccharification of Pretreated Corn Stover

Article in Press

Lignocellulosic biomass is applauded to be the cheapest resource for second generation biofuels. However, the degradation of lignocellulosic biomass is quiet challenging due to the complexity in structure. The study investigated the saccharification potential of in-house enzymes produced from a white-rot basidiomycete strain, Polyporus ciliatus CBS 366.74 on a lignocellulosic biomass such as pretreated corn stover. The...

Author(s):Joseph A. Bentil

Evaluation of the Grain Yield Performance of 5 Soybean Genotypes in Mozambique Using the Gge Biplot Method

Article in Press

Soybean is a peculiar crop due to its photoperiod sensitivity. The introduction of this crop to a new production region requires a detailed study of its adaptability to select the best genotypes with high production stability for the region. In Mozambique, the demand for soybean grain has been growing. However, national production is low due to little knowledge of the performance of genotypes. The objective of this study...

Author(s):Constantino Rico Raimundo Artur, Leonel Domingos Moiana, Manuel Pedro Maleia, Giseli Valentini, Arminda Davane Sumbuleiro, Marcos Armando Marcos

Genetic characterisation of Colophospermum mopane and its ecotypes using RAPD analysis

Article in Press

Colophospermum mopane and its ecotypes are currently recognized on morphological and physiological characters. To add to the suite of taxonomic characters, the genetic variability of C. mopane (sensu stricto) and its ecotypes were investigated using Random Amplified Polymorphic DNA. DNA was extracted from young and mature leaves using the CTAB method. Twenty random primers were tested for their suitability and...

Author(s):M.P. Legodi, M.J. Potgieter, M.P. Tshisikhawe

Assessment of genetic diversity among species mungo-radiata group of subgenus Ceratotropis of genus Vigna Savi. using Amplified Fragment Length Polymorphism (AFLP)

Article in Press

AFLP markers were used for evaluating genetic diversity, population substructure, species relationships, and gene flow among eighty-five accessions belonging to the mungo-radiata group of section Ceratotropis of subgenus Ceratotropis of genus Vigna. Twelve preselected AFLP primers generated 1869 polymorphic amplification products. The number of fragments for each primer pair ranged from 44 to 296, showing 100%...

Author(s): Ruchi Vira, Tabassum Jehana,K.V. Bhatb and S. Lakhanpaulc

Multi-location Study of Six-Rowed Barley Lines for Malt Quality

Article in Press

In Ethiopia, both two- and six-rowed barleys can grow in the highlands. However, the country is not self-sufficient in barley malt, and it depends on imports from different overseas countries. Little effort has been made in two-rowed malt barley variety release and production to overcome the low malt barley supply. So far, the lack of six-rowed barley varieties with good malt quality is a gap in malt barley research in...

Author(s):Teshome Galano, Fitsum Sileshi, Tesfaye Woldesemayate and Tesfahun Alemu

EFFECT OF PRETREATMENTS AND DRYING METHODS ON THE PHYSICOCHEMICAL, MICROBIAL AND SENSORY QUALITIES OF WHITE YAM (Dioscorea rotundata) FLOUR

Article in Press

This study investigates the pretreatments and drying method effects on white yam’s physicochemical, microbial, and sensory qualities. The fresh tubers were washed, (equally) uniformly sliced, pretreated, dried, and processed into flours. The flours were evaluated for physicochemical, microbial, and sensory properties using standard methods. The results showed that all physicochemical parameters examined were significantly (p

Author(s):White yam flour, pretreatment, drying methods, physicochemical properties

A review of traditional fermented foods and beverages of the Democratic Republic of Congo

Article in Press

Several traditional fermented foods and beverages are produced at the household level in the Democratic Republic of Congo. These include fermented cereal-based porridges from sorghum or eleusine ( musululu ), from corn (mandrakwa and Munkoyo); fermented cereal-based foods (bakinde), fermented milk products (mashanza and kivuguto), fermented root-based foods (kwanga, lobe, tshomba tshia kabiola, tshomba tsha mbenzu,...

Author(s):J B Kashama, R K Foma, D K Mayele

Isolation and characterization of multidrug resistance bacteria from hospital sewage samples, Maharashtra, India

Article in Press

Development of the multiple antibiotic resistance is the major cause of clinical infections world wide and has been increasing. This study determined the pattern of bacterial multiple antibiotic resistance in hospital sewage samples obtained from Marathwada region of India. The present study had used 48 isolates of bacteria obtained from 6 different locations of Aurangabad, Marathwada India. Antibiotic sensitivity test...

Author(s):Bhaurao Bapurao Choushette,Prof. Rajendra A. Satpute, Sarita Laxmikant Solunke

EFFECTS OF SOAK WATER TEMPERATURES ON THE HYDRATION PATTERN AND MICROBIAL LOAD OF NIGERIAN TIGER-NUT (CYPERUS ESCULENTUS)

Article in Press

The water-uptake pattern of Tiger-nut (Cypecus esculentus) yellow variety was determined at 30, 35, 40, 45 and 50oC during soaking for 0 - 96 hours. Also, the microbial load of the soak water at the point of full turgidity of soaked tiger nut at temperatures of 30, 35, 40, 45 and 50oC was were also determined. The hydration curves obtained showed shows that most of the moisture uptake took place within the first 24 hours,...

Author(s):Mordi JI, Obode OC, Eboagwu LI, Ibekwe DO and Elemo GN

Hepatoprotective effect of Myristica fragrans following concomitant oral administration of caffeine: Histolopathological and biochemical study

Article in Press

Background: Little research effort is directed towards addressing the controversies surrounding the effects on caffeine on humans. Its increasing consumption and industrial application is why researches need to be geared up in this area. This study investigated the hepatoprotective effect of Myristica fragrans following concomitant oral administration of caffeine using histopathological, histochemical and biochemical...

Author(s):Authors: Enye Linus Anderson, Saka Olusola Stephen, Akpan Idara Solomon, Adekeye Adeshina O, Olasehinde Oluwaseun Ruth, Abijo Ayodeji Zabdiel & Akinjisola Alice Ayomide

Genetic Diversity Analysis of Sorghum [Sorghum bicolor (L.) Moench] Races in Ethiopia Using SSR Markers

Article in Press

Sorghum [Sorghum bicolor (L.) Moench], a cereal crop of family Poaceae, is believed to be originated in Ethiopia and Sudan. It is an important food security crop mainly in semi-arid and tropical parts of the African countries. Although many morphological and molecular diversity studies reveal the existence of genetic variations with sorghum populations, their distribution within basic races were not considered. Hence, the...

Author(s):Gamachu Olani, Tileye Feyissa, Tesfaye Disasa

ANTIBACTERIAL ACTIVITY OF SELECTED MEDICINAL PLANTS AGAINST SALMONELLA TYPHI, SALMONELLA PARATYPHI A, B AND C, CLINICAL ISOLATES IN LAFIA, NIGERIA

Article in Press

The aim of the research was to investigate the antibacterial activities and the phytochemical properties of aqueous and ethanolic extracts of Mango (Mangifera indica) and Neem (Azadirachta indica) leaves, on clinical isolates of Salmonella typhi, Salmonella paratyphi A, B and C, in Lafia, Nigeria. The agar well diffusion technique was used and the analyses were done in triplicates. At the highest aqueous and ethanolic...

Author(s):Stanislaus Onyeberechiya Osuagwu?; Ichor Tersagh Smart; Oluma H.O.A; Onyemaechi Adibe

Microbial diversity in the hypersaline aquatic environments of the Danakil Depression, Ethiopia

Article in Press

The relationship of organisms to their environment is revealed by decoding genomes of organisms living in extreme environments. These genomes disclose new biological mechanisms that enable life outside moderate environmental conditions, new gene functions for application in biotechnology, and may even result in identification of new species. In this study, we have collected aquatic samples from two sites in the Danakil...

Author(s):Lulit Tilahun , Asfawossen Asrat , Gary M. Wessel Addis Simachew ,

Chemical Components of the volatile and non-volatile extractives of Croton species and their microbial activities

Article in Press

Essential oil compounds of Croton pseudopulchellus and Croton gratissimus were analysed using Gas Chromatography/Mass Spectrophotometry and screened for antimicrobial activity against Bacillus pimitus (ATCC 29212), Bacillus cereus (ATCC 10702) Staphylococcus aureus (ATCC 3983), Streptococcus faecalis (ATCC 29212), Escherichia coli (ATCC 4983), Klebsiella pneumoniae (ATCC 2983) and Pseudomonas aeruginosa (ATCC 19582) using...

Author(s):IC Morobe, AO Oyedeji, SD Vasaikar, CL Obi

Adenine sulfate and glutamine enhanced shoots multiplication in Jatropha curcas L. a potent biofuel plant

Article in Press

Jatropha is a drought-tolerant plant producing seed oil for the biodiesel. Limitation to the development of jatropha is unavailability of high-yielding varieties and efficient in vitro regeneration system which is required for micropropagation. In this study, in vitro regeneration system from jatropha juvenile cotyledon was established. Firstly, concentrations of hormones in the MS medium were optimized and it was found...

Author(s):Ismail A. Mohammed, Suguru Tsuchimoto, Hiroe Sakai, Naoki Wada, Kiichi Fukui

Haematological and Biochemical Parameters as Indices of Stress Induced by Stocking Density in Different Strains of Broilers

Article in Press

Biological and nutritional stressors can compromise the welfare of birds. These are due to changes in the normal levels of biochemical and physiological parameters of the birds which can be measured at different loci to determine the severity of the stresses. This study evaluated the haematological and biochemical traits as stress indicators in three genetic strains of broilers (Arbor Acre, Cobb-500, Marshall) reared at...

Author(s):Fajemilehin Samuel Oladipo Kolawole, Fagbuaro Sola Sunday, Ojo, Joseph Olawale and Alamuoye Oluwatoyin Folake

Introducing Cotton Farming, by the Use of Transgenic Cotton for Phytoremediation of Industrial Wastes Polluted Soils in Southern Nigeria

Article in Press

Industrialization in the Niger delta region of southern Nigeria has resulted in excessive discharge of industrial wastes, especially oil spillage. Farming in this region has declined and cotton farming has not survived there due to this menace. Phytoremediation an emerging green technology has been adopted for the revitalization of farming in polluted sites and has been integrated towards solving this challenge. Many...

Author(s):NNAEMEKA. E. VITALIS, YUQIANG SUN

Survival rate of donkey foals: status quo and improvement methods

Article in Press

The industrial improvement of donkey-hide gelatin and the development of related products, such as donkey meat, donkey milk, and donkey-hide gelatin cake, drive the upstream donkey breeding industry. However, the shortage of donkey germplasm resources seriously restricts the further development of the donkey industry. Under the biological limitations of long breeding cycle, slow breeding, low conception rate, high abortion...

Author(s):Yonghui Wang, Tianqi Wang, Zhengwei, Zhang, Changfa Wang

PHYTOCHEMICAL AND IN-SILICO EVALUATION OF THE PHARMACEUTICAL IMPORTANT BIOMOLECULES PRESENT IN LEAF AND SEED EXTRACTS OF MUCUNA PRURIENS.

Article in Press

The present research was undertaken to identify the bioactive compounds present in two varieties of Mucuna pruriens var utilis: (IIHR Selection 3 and Arka Dhanvantari) and their pharmaceutical importance evaluated through phytochemical and in-silico screening. The phytochemical screening of the leaf and seed extracts revealed the presence of alkaloids, tannins, flavonoids, phenols, proteins, terpenoids, reducing sugars,...

Author(s):Reuben-kalu, J. I, Renuka, R, Uma, D and Santhanakrishnan, V. P

Statistical modeling of effective doses in hormetic dose-response relationships by reparameterization of a bilogistic model for inverted U-shaped curves

Article in Press

Hormesis is a biphasic dose (concentration)-response phenomenon characterized by low dose stimulatory and high dose inhibitory effects exerted by stressors on living organisms. Recently, there has been increased interest in the phenomenon and statistical models for its exploration in toxicological studies. The bilogistic model of Beckon et al. (2005) is one of such models for modeling biphasic dose-response relationships...

Author(s):Toxicity , Hormesis, Hormesis quantities, Model extension, concentration-responses

An investigation of the anti-inflammatory effect of 3 methanolic leaf extracts of Callistemon lanceolatus in Wistar rats.

Article in Press

Callistemon citrinus is a plant that is native to Australia. It is also known as Callistemon lanceolatus or Melalenca citrina. In South Africa, this plant is grown as an ornamental and invasive species. The aim of this study was to determine the anti-inflammatory effect of 3 concentrations (100, 200 and 400 mg/kg) of methanolic leaf extracts of C. lanceolatus on male Wistar rats. The experiments correlated significantly...

Author(s):Rishan Singh

Advances on the application of non-coding RNA in crop improvement

Article in Press

Thanks to committed plant breeding researchers over the few decades, many problems associated with food supply and qualities have been improved. Food security is an exceptionally serious worldwide issue via world climate change, the increase in human population, and the use of plants for bioethanol production in current years. Improved tolerance to abiotic and biotic stress, resistance to herbicides, improved yield, and...

Author(s):Diriba Guta Dekeba

Responses of commercial chickpea (Cicer arietinum L.) cultivars to varying moisture stress conditions under rain-fed production system in Ethiopia

Article in Press

Chickpea is an economically important crop grown by nearly one million Ethiopian smallholder farmers. The crop is often considered as “stress-loving”, but moisture stress at critical growth stages could be detrimental. Yield of chickpea is commonly affected by terminal drought stress in the rainfed production system in Ethiopia. The lack of proper field-screening methods has hindered the development of drought tolerant...

Author(s):Lijalem Korbu, Asnake Fikre, Kassahun Tesfaye, Assefa Funga, Dagnachew Bekele and Chris O. Ojiewo

Chitin deacetylase of Bemisia tabaci (Hemiptera: Aleyrodidae) as new target for pesticide discovery: An in silico investigation and hints for insecticide discovery

Article in Press

Chitin deacetylases are enzymes responsible for structuring chitin of chitin-producing organisms. Chitin deacetylases are well studied in fungi and bacteria, but the canonical structure was just recently characterized for an insect, the silk moth Bombyx mori (Lepidoptera: Bombycidae) (PDB: 5ZNT; 5ZNS). The whitefly Bemisia tabaci (Hemiptera: Aleyrodidae) is a polyphagous insect that causes severe loses in agriculture every...

Author(s):Ciro Pedro Guidotti Pinto

The Determination of Chemical Composition in Some Vinegars and Compliance with Food Legislation

Article in Press

This paper covers that the six different brand sold (genuine-organic-synthetic apples and grapes) in Turkey and spontaneous fermentation vinegars produced with seven fruits (apple, white and red grapes, mandarin, pear, carrot, melon) in the laboratory had been analysed according to pH value, acidity, density, the amount of dry matter, color measurement, the ash content and the water activity. The aim of the study was to...

Author(s):Ahmet Dogan Duman, Alaeddin Türkmen

TrichoPlus (Trichoderma asperellum) as a promoter of vegetative growth in soybeans

Article in Press

Fungi of the genus Trichoderma are found naturally in the soil and used as an active ingredient in biofungicides and also have activity as promoters of plant growth. This work aimed to evaluate the efficiency of the product TrichoPlus, containing Trichoderma asperellum as a promoter of soybean plant growth. Four independent experiments were carried out, in different periods between 2019 and 2020. The experiments were...

Author(s):Aloisio F. Chagas Junior, Lillian F. B. Chagas, Brigitte S. O. Colonia, Magno R. Carvalho Filho; Luciane O. Miller

The reconstruction of metabolic pathways in selected bacterial and yeast strains for the production of bio-ethylene from crude glycerol: A mini review

Article in Press

The role of bioengineering in industrial processes cannot be ignored, especially in circumstances where the processes are uneconomical, demand high energy, use finite resources and emit huge amounts of carbon dioxide. Ethylene is a two-carbon unsaturated hydrocarbon that is industry's most important building block for polyester fibres, plastics, and ethylene glycol. For decades, ethylene production has relied on...

Author(s):Idan Chiyanzu

GENETIC VARIABILITY ANALYSIS OF ELITE SORGHUM (Sorghum bicolor (L) Moench) GENOTYPES UNDER DRY LOWLAND AREAS OF ETHIOPIA

Article in Press

Narrow genetic base, information on the genetic variation, early maturing and drought tolerant sorghum genotypes are the most important limiting factors for sorghum yield improvement under moisture stress areas. Therefore, the experiment was conducted to quantify the genetic variation available among sorghum genotypes for drought tolerance related traits. A total of 42 sorghum genotypes were evaluated using alpha lattice...

Author(s):Temesgen Begna

IN-VITRO PROPAGATION OF VCF 0517 SUGARCANE VARIETY USING MERISTEM CULTURE.

Article in Press

VCF 0517 is newly released sugarcane variety in India which is high yielding, high tillering, better quality, suitable for wide row planting, high jaggery yield and quality and good rationing ability. The objective of this study was to evaluate conditions required for the in vitro propagation of VCF 0517 sugarcane genotype. Callus regeneration was done using meristem explant on MS + 2,4-D (0-5mgL-1) media to determine most...

Author(s):BRIAN SSEMUGENZE, YUSUF ABBAS, NAGESHA, N.

A SURVEY OF GENETICALLY MODIFIED FOODS IN NAMIBIA SUPERMARKETS

Article in Press

The present study was carried out to survey genetically modified organisms (GMOs) in foods and feeds found in local supermarkets in Namibia. Little is known of the presence and prevalence of GMOs in the local supermarkets or information available on the labelling provided on some. The aim was to verify the presence of GMO’s in the foods and feeds using molecular extraction and screening methodologies. Nine samples (5...

Author(s):Faith Fransisca Kavishe, Percy Chimwamurombe and Jeya Kennedy

Distribution of Mutations in G-6-PD Gene. A Review.

Article in Press

Exploring molecular techniques to unwind possible mutations in the exons, introns and promoter regions of glucose-6-phosphate dehydrogenase (G-6-PD) gene is indispensable. Such information would improve neonatal health and haemolytic diseases including malaria control especially in malaria-endemic areas as the severity of these diseases is associated with the type of molecular variants. G-6-PD deficiency literature was...

Author(s):Jelani I, Alhassan AJ and Abdullahi HL

Characterization and potential applications of Bromelain extracted from pineapple (Ananas comosus) juice processing waste (peel) for recovery of Silver from used X-ray films

Article in Press

Bromelain is a proteolytic enzyme, which is prominently found in all parts of a pineapple plant (Ananas comosus). It has found immense applications in the pharmaceutical industry as well as the food, cosmetic, and leather industries. However, bromelain from the pineapple fruit peels is a less explored source for making valuable products. Therefore, the objective of this study was to investigate the potential application of...

Author(s):Muhammed Seid Anbesaw

Anticancer and Antimicrobial Properties of Porous Starch Mediated Silver Nanoparticles

Article in Press

Health issues involving inadequate treatment of diseases like cancer and microbial infections continue to be the subject of much ongoing recent research. Biosynthesized Silver Nanoparticles (AgNPs) were characterized using Transmission Electron Microscopy (TEM), Zeta Sizer, Ultra-violet (UV), and Fourier Transform Infrared (FTIR) Spectroscopy. Antimicrobial activity was evaluated in selected gram-positive and...

Author(s):Shiara Ramdath, John Jason Mellem and Londiwe Simphiwe Mbatha

OPTIMIZATION OF CALLUS INDUCTION FOR WHOLE PLANT REGENERATION IN RICE (Oryza sativa L.) CULTIVAR NERICA-4

Article in Press

The interspecific rice hybrid of the Asian Oryza sativa and the African Oryza glaberrima, New Rice for Africa (NERICA-4) development was initiated due to threatening global food insecurities in part due to its desirable agronomical features compared to other NERICA cultivars. It is fairly tolerant to drought, has quicker growth rate and high yields. However, production is still faced by numerous challenges, leading to...

Author(s):Patroba O. Odeny, Joyce M. Luganji, Joel Masanga, Godfrey M. Ngure, Steve M. Runo

Meiotic Chromosomes Behavious in Chlorophytum stenopetalum Bak

Article in Press

Chromosomes behavior at meiosis in Chlorophytum stenopetalum Bak. was investigated especially at pachytene /diakinesis and metaphase. The flower buds at right age were harvested, fixed in Cornoy’s solution (3 part of absolute alcohol and 1 part of acetic alcohol) and preserved in a refrigerator at -4°C for at least thirty minutes. The flower buds were then hydrolyzed in 10% HCl for 3-5 minutes. Prepared slides were...

Author(s):Omokanye Babatunde Sikiru

REGULATION OF SALT AND DROUGHT STRESS RESPONSES BY SDR IN ARABIDOPSIS AND IDENTIFICATION OF PROTEINS INTERACTING WITH SDR

Article in Press

The ubiquitin/26S proteasome pathway is key to protein degradation in plants. Its specificity often orchestrated by ubiquitin-protein ligases (or E3s), which facilitate the translocation of ubiquitin to appropriate targets. F-box protein is one of the subunit of E3 ligases SCF (Skp1-Cullin/CDC53-F-box). It has been reported that F-box protein is not only related to plant growth but also abiotic stress. In this study, the...

Author(s):Justus Obara, Wilfred Abincha

HEAVY METALS AND VITAMIN CONTENT OF “KUNUN-ZAKI” DRINK, PULP AND THEIR FREEZE-DRIED FORMS

Article in Press

Significant adverse health effects of certain heavy metals were reported in the dried samples of food. This study was aimed at evaluating vitamins, and heavy metals content of unsweetened/sweetened “kunun-zaki” drink/pulp, before/after lyophilizing. The material tested were unsweetened and sweetened “kunun-zaki” drink- UKD, and its pulp- UKP, sweetened “kunun-zaki” drink- SKD, and its pulp- SKP before and after...

Author(s):Esienanwan Esien Efiong, Emmanuel Hala Kwon-Ndung, Abraham Ehinomhen Ubhenin, Jonathan Maduka Nwaedozie

Contact activities Piper guineense(Schum and Thonn) And Eugenia aromaticum(L).(Merril and Perryl) Extracts against Larvae of Hide Beetles, Dermestes maculatus(Degger) (Coleoptera: Dermestidae)

Article in Press

Contact activities of Piper guineense(Schum and Thonn) and Eugenia aromaticum( L). (Merril and Perryl) extracts in the control of Dermestes maculatus larvae infesting stored fish (Clarias gariepinus) was investigated under laboratory condition (28 ±3oC and 65± 5% R,H.). The extracts were tested by application of 2.0µL each to ten third instars larvae using micro pipette at a concentration of 6.00, 10.00 and...

Author(s):Jatau, A., Yahaya, M. A., Majeed, Q. And Sokoto, M. B.

Using marker assisted backcrossing procedure to introgress Co-42 and Co-5 anthracnose resistance genes from G2333 into a susceptible commercial bush bean variety in Uganda

Article in Press

Anthracnose caused by Colletotrichum lindemuthianum is an important disease of common bean worldwide. In Uganda, two commercial bush bean varieties NABE13 and NABE14 with acceptable red seed types are highly susceptible. Our objective was to transfer the Co-42 and Co-5 anthracnose resistance genes from donor parent G2333 to NABE14 using a backcrossing program aided by molecular markers. The SH18 and SAB3 markers were...

Author(s):Annet Namayanja, Annet Namusoke, Jane Mukabaranga, Nampijja Shakirah and Paul Gepts

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