African Journal of
Biotechnology

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

AJB Articles in press

Natural occurrence of products of cryptic pathway metabolites of pharmacological importance using liquid chromatographic-mass spectrometric techniques in date palm fruit, garlic bulb and groundnuts from North-West Nigeria markets

Article in Press

Investigation of secondary metabolites from the cryptic metabolic pathways in date palm fruit, garlic bulb and groundnuts from North-West Nigeria was conducted using liquid chromatography-mass spectrometry and mass spectrometry (LC-MS/MS). Results indicated the presence of several compounds which include Valinomycin, asperglaucide, asperphenamate, cyclo (L-Pro-L-Tyr). Cyclo (L-Pro-L-Val), emodin, physcion, integracin A and...

Author(s):LATEEF ARIYO ADENIRAN, Toba Samuel Anjorin, Michael Sulyok, Rudolf Krska, Olatunde Peter Ajagbonna

Quality Evaluation of Low Free Fatty Acid and High Free Fatty Acid Crude Palm Oil and Variation of Total Fatty Matter and Fatty Acid composition in Nigerian Palm Oil

Article in Press

The quality of Palm oil determines its consumer and market acceptability and price, and this correlates directly to its Moisture (%), Free Fatty Acid (% FFA) and Total Fatty Matter (%TFM) content. Therefore, businesses utilizing palm oil for production are very particular about these quality parameters. The aim of the present study was to evaluate the quality of Low free fatty acid (LFFA) and high free fatty acid (HFFA)...

Author(s):IGILE GO, IWARA AI, EKPE OO, ESSIEN NM, EGBUNG GE

Molecular Identification of Indigenous Bacteria Isolated from Pesticides Heavily Contaminated Soils

Article in Press

This study was carried out to isolate and identify indigenous bacteria associated with pesticides heavily contaminated soil in Sudan. The samples were collected from pesticides contaminated soil in different locations. The predominant bacterial isolates were then purified by subculturing on selective media. Seven isolates were selected based on their capability to degrade pesticides and three of them having the highest...

Author(s):Abd Elaziz Sulieman Ahmed Ishag, Azhari Omer Abdelbagi, Ahmed Mohammed Ali Hammad, Elsiddig Ahmed Elmustafa Elsheikh, Ismail Ahmed Mohammed and Jang-Hyun Hur

Study Of The Antibody Stimulation Potentials Of Lactobacillus Spp Isolated From Palm Wine

Article in Press

In this study lactic acid bacteria were investigated for their presence in fresh palm wine and their effects on humoral immunity examined. The bacteria were isolated from fresh palm wine in a tenfold serial dilution. The isolates were purified by repeated subculture on De Man Rogosa Sharpe (MRS) agar and characterized phenotypically and genotypically. The identified Lactobacillus spp were investigated for their effects on...

Author(s):Eze, C.O, Berebon, D.P, Gugu, T.H., Evurani, S.A, and Agbo C.P

Comparative Study of Single Nucleotide Polymorphisms (SNPs) of a Candidate Growth Gene (IGF-I) in Oreochromis niloticus and Sarotherodon melanotheron

Article in Press

Single nucleotide polymorphism (SNP) markers are the method of choice for genetic analyses including diversity and quantitative trait loci studies. In teleost fishes, the regulation of growth performance by the GH and IGF system also seems to be highly conserved. Adult Oreochromis niloticus (Nile tilapia) could reach up to 60cm maximum length while Sarotherodon melanotheron (black chin Tilapia) has a maximum length of...

Author(s):Sokenu, B.A, Ogunkanmi, L.A., Oguntade, O.R., Oketoki, T.O., Ukenye, E.A., Usman, A.B.

Genetic diversity of ethiopian coffee (coffea arabica l.) Collection using ssr marker

Article in Press

Many studies reported wide genetic variability of Arabica coffee accessions collected from Ethiopia compared with commercial cultivars future breeding purposes. However, little work has been done on the molecular diversity of Ethiopian coffee accessions. Hence, this study was initiated with the objective of studying the genetic diversity of Coffea arabica accessions collected from different regions of Ethiopia using SSR...

Author(s):Gudeta Dida, Kassahun Bantte and Tesfaye Disasa

Comparative studies between growth regulators and nanoparticles on growth and mitotic index of pea plants under salinity

Article in Press

To our knowledge, there is no research study about ascorbic acid (ASA), 5-Aminolevulinic acid (ALA) and Nano selenium (N-Se) cytological effects on pea seedlings under salinity stress. Salinity treatment at concentrations of 60 and 120 mM NaCl was applied. Two concentrations of ASA (50 and 100 ppm), ALA (25 and 50 ppm), and N-Se (10 and 20 ppm) were used individually and in combination with NaCl (60 and 120 mM)...

Author(s):Hala G. El-Araby, Sahar F. El-Hefnawy, Mohammed A. Nassar and Nabil I. Elsheery

Wolbachia and Filarial nematode are found in anthropophilic mosquitoes in The Gambia

Article in Press

Wuchereria bancrofti has been reported to cause of 90% of all cases of lymphatic filariasis in Africa. It infects a wide range of insects and nematodes. This study was conducted in 48 settlements (8 from each division). A total of 2003 mosquitoes was pooled into 120 clusters from the 48 settlements in The Gambia. PCR was used to detect the presence of Wolbachia and filarial nematode and further differentiate Wolbachia into...

Author(s):Sankung Sanneh, Alpha Kargbo, Moses Edache Entonu YKE Ibrahim, Shuaibu Nasiru

Molecular Epidemiology of schistosomiasis in Central River Region of The Gambia

Article in Press

Schistosomiasis is the second most prevalent tropical parasitic disease after malaria, and one of the leading cause of morbidity and mortality in developing countries especially in Africa. This study was carried out among students, farmers and fishermen/women from four villages in the Central River Region of The Gambia. The aim of this study was to show the Prevalence value of schistosomiasis in Central River Region of The...

Author(s):Alphonse Mendy, Alpha Kargbo, YKE Ibrahim, T.T. Gbem

Characterization of Kenyan French Bean genotypes into gene pool affiliations using allele specific markers

Article in Press

French bean (Phaseolus vulgaris L.) is a major export crop in Kenya where it serves as a cash crop for smallholder farmers and a source of employment. However, there is limited information on characterization of available germplasm which is essential in genetic improvement of this crop. The present study was therefore aimed to identify the gene pool affiliations of Kenyan French bean germplasm using specific molecular...

Author(s):Edith Esther Arunga and Shadrack Odikara Imai

Advancing the adoption of genetically modified crops as food and feed in Africa: The case study of Kenya

Article in Press

Genetically modified organisms (GMOs) and Genetic Engineering (GE) technology has been around since early 1990s. Numerous success of stories of genetically modified (GM) crops have been recorded in different parts of the world. The technology has been adopted steadily in some countries with acreage under GM crops doubling in some cases. Socio-economic studies show GMO adoption result in improved productivity, reduced cost...

Author(s):Benard Oloo, Karimbhai Maredia and Ruth Mbabazi

Earning Trust and Building Credibility with a New Paradigm for Effective Scientific Risk Communication of Biotechnology Innovations

Article in Press

Biotechnology has tremendous potential to transform agriculture and contribute significantly to reduce of hunger and food insecurity. Many benefits of biotechnology have been recorded over the years, yet the fears surrounding biotechnology adoption persist in the same measure. Unfortunately, the reasons for opposition biotechnology have remained the same over the years. The developing world has become a battle ground up...

Author(s):BENARD OLOO, Karim Maredia and Ruth Mbabazi

Antimalarial potential and protective properties of Azadirachta indica (Dongoyaro) ethanolic stem bark extract in mice infected with Plasmodium berghei NK65

Article in Press

The study determine the in vivo antiplasmodial potential and protective properties of Azadirachta indica (Dongoyaro) ethanolic stem bark extract in mice infected with Plasmodium berghei NK65. The GC-MS, qualitative, quantitative and antioxidant scavenging activities of the stem bark extract of A. indica were determined using standard procedure. The acute toxicity and in vivo antiplasmodial activities of the extract were...

Author(s):Momoh Johnson Oshiobugie, Adeniyi Michael Olaniyi and Aderele Oluwaseun Raphael

Genetic Characterization of Indigenous Tswana Pig Population Using Microsatellite Markers

Article in Press

The indigenous Tswana pig is currently listed as an endangered animal genetic resource and if not conserved it might go extinct. The objective of this study was to assess the genetic diversity (genetic characterization) of the indigenous Tswana pig population. Blood samples were collected from 30 randomly selected Tswana pigs in Kgatleng and South-East districts of Botswana for the assessment of genetic diversity using a...

Author(s):Mosweu Nicodemus, Thutwa Ketshephaone, Nsoso Shalaulani James and Kgwatalala Patrick Monametsi

New Elite Sugarcane Varieties, 'Tafach Shenkora' and 'Kay Shenkora' , for Commercial Production in Ethiopia

Article in Press

'Tafach Shenkora' and 'Kay Shenkora' sugarcane (Saccharum spp.) are the names assigned to sugarcane varieties with accession numbers Acc. 43 and Acc. 139, respectively. They were developed by Sugar Corporation, Research and Development and were registered and released in June 2019 by the National Variety Releasing Committee of Ethiopia to growers in three sugar estates in Ethiopia. 'Tafach Shenkora' and 'Kay...

Author(s):Esayas Tena, Firew Mekbib, Abebech Seife, Zinaw Dilnesaw and Feyissa Tadesse

Molecular Characterization, Optimization of Polyhydroxybutyrate (PHB) production using agro-wastes as substrate by Bacillus cereus

Article in Press

Non biodegradability of plastics has discouraged its use and hence alternative eco friendly polyhydroxybutyrates have gained popularity. The use of cost effective and easily available substrates in the production of polyhydroxy butyrate (PHB) enhances its application and further reduces its cost and hence PHB can be efficiently used instead of plastics. The present work was performed to study the optimum production of...

Author(s):Jasmine R, Hannah S

Isolation and characterization of lactobacilli in raw milk derived whey and its potential use as probiotic

Article in Press

The main purpose of this study was to isolate lactobacillus from raw milk derived whey and to determine its potential use as probiotics. Fifteen samples of milk were obtained and tagged (LS1 to LS15) from a homogeneous group of Holstein cows and later at our laboratory the milk was processed to obtain whey, which was inoculated in MRS medium where we got 30 bacterial isolates and selected those who were bacilli gram...

Author(s):Guel-García G. Paulina, Rodríguez Castillejos Guadalupe C., Hernández Mendoza José L.

The adults of Anthonomus grandis as disseminator of Fusarium chlamydosporum and use of oregano extracts for their control

Article in Press

The Cotton Weevil is an insect that causes considerable losses to the cotton industry. Its larvae grow inside the cotton bolls, damaging them. It enters diapause during the winter and becomes active again in the first months of the year. Pheromone traps can be used to estimate their populations and implement control measures. This work analyzes samples of weevil populations collected in traps placed on mexican...

Author(s):Jesus DiCarlo Quiroz Velasquez; J. Luis Hernandez-Mendoza, Guadalupe Rodriguez Castillejos; Gerardo Sanchez Ramos; Cristian Lizarazo Ortega; Jesus Gerardo Garcia Olivares

GENETIC DIVERSITY OF PROLACTIN GENE IN JAPANESE QUAIL (Coturnix coturnix japonica)

Article in Press

This study was carried out to investigate the genetic diversity of prolactin gene (PRL gene) in Japanese quails using PCR-RFLP marker. One hundred and thirty nine quails were sampled for PRL loci analysis. DNA was extracted from the samples. Polymerase chain reaction (PCR) and electrophoresis was used to characterize a 24 base pair (bp) insertion/deletion in a 358 bp PCR product. Test for Hardy-Weinberg Equilibrium were...

Author(s):FRANCISCA OSEAHUMHEN EICHIE, ADEBOWALE EMMANUEL SALAKO, HENRY OSAMEDE OSAIYUWU

Phytoremediation: A general Review

Article in Press

This paper makes a general review of phytoremediation emphasising a bit on phytoextraction, in terms of factors that affect it and possible enhancements of such factors for optimization. Phytoremediation is a diverse collection of plant-based technologies that are used to clean contaminants such as heavy metals and metalloids (HMs) from environments, especially soil and water bodies. HMs are toxic to most biota, but some...

Author(s):TAOLO BONNIE TUMEDISO, B MOSEKI

Antifouling Activity of Amphiora anceps on Marine Diatoms: a Comparison with Copper Sulphate

Article in Press

The search for environment-friendly and non-toxic antifouling paint components has led to the investigation of natural products from seaweeds. The defence metabolites utilized by seaweed to deter redundant epibiosis have potential for harnessing and use in antifouling applications. A search for new non toxic antifouling paints has been tested in collected seaweed such as Amphiora anceps. The seaweed was extracted with...

Author(s):Murugan Suresh, Palanisamy Iyapparaj, Perumal Anantharaman

REVEALING EXPRESSION OF R GENES HOMOLOGUES AGAINST CLCUV IN GOSSYPIUM ARBOREUM AND G. HIRSUTUM COTTON GENOTYPES

Article in Press

Cotton leaf curl virus (CLCuV) is a major threat, limiting the fiber yield in Gossypium hirsutum. Resistance (R) genes are present in G. arboreum against this virus but these R genes are yet not known. Some resistance gene analogs (RGAs) of nucleotide binding site leucine rich repeats (NBS-LRR) have been reported in G. hirsutum. In the present study, RGAs from G. hirsutum and ESTs predicted as cell surface receptor genes...

Author(s):RAKHSHANDA MUSHTAQ, Muhammad Asif, Aftab Bashir

CANE YIELD AND JUICE VOLUME DETERMINES ETHANOL YIELD IN SWEET SORGHUM (Sorghum bicolor L. Moench)

Article in Press

Sweet sorghum (Sorghum bicolor L. Moench) contains fermentable sugars in the stem that can be converted to ethanol. The current study aimed at evaluating the performance of three sweet sorghum genotypes with five checks and contributes towards availing suitable sweet sorghum for industrial ethanol production. Field studies were carried out in Kenya at varied locations in a randomized complete block design with three...

Author(s):

Stabilization of corn oil by phenolic camellia oil cake extract during storage

Article in Press

Camellia oil cake extracts was used as a source of phenolic compounds. Isopropanol, normal hexane and diethyl ether were evaluated as different solvents to extract these phenolic compounds which examined by Folin-Ciocalteu assay. The antioxidant potential of camellia oil cake extracts was measured by ferric reducing antioxidant power assay and results showed that the antioxidant activity strongly depend on the solvent....

Author(s):FEI SONG, Hui WANG

Efficacy of botanical pesticides against Acanthoscelides obtectus (Coleoptera: Chrysomelidae): A strategy for insect pest control

Article in Press

Laboratory experiments were carried out to investigate the efficacy of botanical insecticidal materials against a major insect pest of stored beans, Acanthoscelides obtectus. The materials employed by small scale farmers to reduce the problem of bean postharvest losses caused by A. obtectus were identified and collected from Dar es Salaam and also from Kimuli and Mabira villages in Kagera region in Tanzania. The materials...

Author(s):Rugumamu Costancia Peter

Genetic improvement for green pod yield and number of pods in two segregation populations of pea (Pisum sativum L.)

Article in Press

This study was conducted at the Experimental Farm of The Faculty of Agriculture, South Valley University, Qena Governorate during three successive winter seasons of 2011/2012, 2012/2013 and 2013/2014 to improve green pod yield/plant (g) of field pea. The breeding materials used in this study were F3, F4 and F5 generations of the two field pea crosses Alaska X Little Marvel (population 1) and Alaska X Dwarf Gray sugar...

Author(s):Rashwan A., M., A

Hypolipidemic, Hypoglycemic and Anti-obesity effects of Opuntia ficus indica aqueous extract in rabbits

Article in Press

Opuntia ficus indica is used in traditional medicine for the treatment of hyperlipidemia, hypercholesterolemia, diabetes and dermal burns. The aim of this study was to analyze and compare the effects caused by the Opuntia ficus indica aqueous extract on serum and lipid parameters in white male rabbits (initial mean weight 1.95 kg). Rabbits were divided into two groups (n=6), the first group represented the control group,...

Author(s):HALMI S

COMPARATIVE STUDIES ON PRODUCTION OF BIOETHANOL FROM PEELS OF COCOYAM AND SWEET POTATO USING Aspergillus niger AND Saccharomyces cerevisiae

Article in Press

The aim of this research is to compare the potential of sweet potato and cocoyam peels (non-edible waste material) for bioethanol production using sequential monocultures of Aspergillus niger and Saccharomyces cerevisiae and co-cultures of Aspergillus niger and Saccharomyces cerevisiae. Each sample was dried and ground; and was subjected to heat pretreatment. Direct fermentation of pretreated sweet potato and cocoyam peels...

Author(s):DANIEL UDENZE and Victoria Adegunloye

USE OF MARKER ASSISTED SELECTION (MAS) FOR THE CHARACERIZATION AND INTROGRESSION OF RUST RESISTANCE GENES USING AN F2 ROBIN/KWALE POPULATION

Article in Press

Breeding for durably resistant varieties is amongst the best strategies to exterminate the threat posed by stem rust race Ug99 of wheat. This race has continued to spread and ascertain itself as a danger to global wheat production and consequently food security. The continuous swift development of new DNA marker technologies has proved invaluable in breeding for durable rust resistance to stem rust race Ug99 and its...

Author(s):BERNICE NGINA WAWERU, PETER NJOROGE NJAU, GODWIN KAMAU MACHARIA, OLIVER KIPLAGAT

A COMPARATIVE STUDY ON THE PROXIMATE AND PHYTOCHEMICAL ANALYSIS OF THE MALE AND FEMALE PARTS OF CARICA PAPAYA

Article in Press

The phytochemical analysis of the male and female plant parts (leaves, flower and bark) of Carica papaya was investigated. The analysis revealed the presence of some plant bioactive components. There was a difference in the bio-active component of the male and female leaves, both leaves revealed the presence of alkaloid, tannin, phlobotanins, saponin, flavonoid, anthraquinones, phenol and cardiac glycosides. Terpenes,...

Author(s):DEBORAH ONIFADE

Serum Total Protein concentration and Liver Enzymes Activities in albino rats model administered with ethanolic leaf extract of Ficus capensis

Article in Press

There is an increased use of the Ficus capensis plant and concerns about safety alongside efficacy have been raised. The aim of this work is to study the total protein, bilirubin and Serum Liver Enzyme activities in Albino rats administered graded concentrations of ethanol extract of F. capensis leaf. Twenty-four albino rats were shared into four groups and different concentrations of the leaf extract were administered...

Author(s):Chukwudoruo, Chieme Sunday, Osuji-Kalu-Ibe, Nnenna Chinenyenwa, Igwe, Kalu Okereke, Iheme, Callistus Izunna, Obasi, Uchechi Kingsley, Mba, Blessing Amarachi

Evaluation of sugarbeet monogerm O-type lines for salinity tolerance at vegetative stage

Article in Press

The increased production of sugar beet under rainfed conditions on saline–sodic soils in the Iranian areas highlights the importance of salt tolerant varieties. Screening of genotypes for salinity tolerance is difficult in field due to heterogeneity of physical and chemical properties of soil. In order to evaluate the salinity tolerance of 21 sugar beet monogerm O-types lines, a pot experiment was conducted using a split...

Author(s):Zahra Abbasi

Lactic acid bacteria fermentation of coconut milk and its effect on the nutritional, phytochemical, antibacterial and sensory properties of virgin coconut oil produced

Article in Press

Coconut oil has profound health benefits but the high content of fatty acids is a concern to many consumers, several processing methods have failed to produce oil with considerable change in fatty acid content. In this study, selected lactic acid bacteria including Lactobacillus plantarum, Lactobacillus pentosus, Leuconostoc mesenteroides and Enterococcus faecium were used to ferment coconut milk for production of virgin...

Author(s):Olateru Comfort T., Popoola Bukola M., Alagbe Gbolahan O. Ajao Omobayonle

Comparative Performance of Different Yeast Strains in the Production of Bioethanol Using Simultaneous Liquefaction Saccharification and Fermentation (SLSF).

Article in Press

The performance of a hybrid of Saccharomyces cerevisiae and Saccharomyces paradoxus (Yeast B) compared with an industrial strain of Saccharomyces cerevisiae (Yeast A) was studied. The two strains of yeasts: Yeast A obtained from the Bioresources Development Centre, National Biotechnology Development Agency Ogbomosho and Yeast B obtained from Scotch Whisky Research Laboratory in Edinburgh, Scotland (Strain 63M) were...

Author(s):Edith Lemechi Leonald-Emeka, Elizabeth Funmilayo Aransiola, Taiwo Hassan Ibrahim, Julius Olusegun Oyedele, Rose Maxwell Gidado , Andrew Chibuzor Iloh and Bamidele Ogbe Solomon,

A novel method for DNA extraction from animal blood by adding bacterial lysozyme

Article in Press

The DNA quality is one of the main conditioning factors for the individual identification. Therefore, appropriate methodologies are required for their extraction. A new DNA extraction method from sheep blood was implemented based on the hexadecyl trimethyl ammonium bromide method (CTAB 2%), 1) temperature changes, cell lysis and variation of washes (CTABM), and 2) addition of an incubation process with bacterial lysozyme...

Author(s):Fidel M. Torres-Lemus, Hilda V. Silva-Rojas, Omar Hernández-Mendo, Maria M. Crosby-Galvan.

Effects of inoculation with some native arbuscular mycorrhizal fungi on tomato (Solanum lycopersicum L.) growth

Article in Press

In Burkina Faso, tomato (Solanum lycopersicum L.) sector plays a very important socio-economic role. However, its production is confronted to many constraints, among which the soil poverty in mineral elements such as nitrogen and available phosphorus resulting in an increase in the area of land that is sown for this crop and an increase in the use of chemical inputs. In addition, chemical inputs have shown their limits...

Author(s): Hadou Haro, Kadidiata Bahadio, Kadidia B. Sanon

Yield and Stability Analysis of Promising Mung Bean (Vigna radiata L.) Genotypes in Ethiopia

Article in Press

Nine mung bean genotypes were evaluated for grain yield performance at four locations in 2016 main cropping season. The experiment was arranged in 3x3 lattice design with three replicates. Additive main effect and multiplicative interaction (AMMI) combined analysis of variance revealed that genotype, location and genotype x location interaction (GLI) significantly affected (p

Author(s):Hashim Samir Amsalu Berhanu Tumsa Kidane

Strain improvement of B. Parabrevis SR2729 for enhanced biodegradation of chlorpyrifos

Article in Press

Chlorpyrifos (CP) is of major concern for researchers and its biological degradation has been routinely practiced. Organophosphate hydrolase (OPH) responsible for the degradation of the agent was hyper-produced by the exposure of parental strain (PS) to EthBr for 70 minutes. Out of hundreds, the mutant strain SR2729-B (MS) showed 2.6 times greater zone of hydrolysis of CP, with OPH activity of 2.4 folds greater as compared...

Author(s):Samreen Rasool and Muhammad Anjum Zia

Tri-Phala Residue: A Low-Cost Substrate for Gallic Acid and Isoquercitrin Production by Aspergillus niger ATCC 16888 Under Solid-State Fermentation in Packed-bed Bioreactor

Article in Press

Tri-Phala residue (TR) was studied as a substrate for isoquercitrin and gallic acid productions by solid-state fermentation of A. niger in the packed bed bioreactor aerated at of 0.1, 0.3 and 0.5 vvm. The contents of biomass, isoquercitrin and gallic acid in the fermented TR along the height of the bioreactor were analyzed. The highest fungal growth rate was found on middle position in the SSF with 0.5 vvm aeration as...

Author(s):Teerin CHYSIRICHOTE and Pattarabhorn PAKAWEERACHAT

“PCR-based identification of Prevotella copri sp. Associated with New Onset Rheumatoid Arthritis (NORA)”

Article in Press

Rheumatoid arthritis (RA) is a prevalent systemic autoimmune disease, caused by a combination of genetic and environmental factors. Here we performed 16S sequencing on 30 samples from rheumatoid arthritis patients and controls. We identified the presence of Prevotella copri as strongly correlated with disease in new-onset untreated rheumatoid arthritis (NORA) patients. Increases in Prevotella abundance correlated with a...

Author(s):Veena K D , Prabhurajeshwar and Rashmi S B

Multi-Environment Yield Trials Analysis of Stability through AMMI and GGE Biplot Model of Cowpea (Vigna Unguiculata L.) Genotypes in Ethiopia

Article in Press

Developing high yielding cultivars with wider adaptability is the ultimate goal of any plant breeders. However, attaining this goal is complicated by genotype environment interaction. Sixteen cowpea lines including two standard checks were arranged in 4x4 triple lattice design and evaluated at seven locations for grain yield performance in 2016 main cropping season. Combined analysis of AMMI revealed that genotype,...

Author(s):Multi-environment trial, Cowpea, GEI, Broad adaptation

Qualitative Screening of Lipolytic Bacteria from Lipid–Rich Environmental Samples of Wolkite Town

Article in Press

Abstract The majority of lipolytic enzymes in industrial use are currently attracting an enormous attention because of their bio-technological applications. Lipase producing bacteria were isolated from five fat containing soils of oil mills, abattoir, garage, Sewage and cafeteria and were grown on nutrient agar. In order to identify the best lipid producing bacteria, the bacterial strain were screened in tributyrin...

Author(s):Mulugeta Belay, Getu Hailu , Ewenetu Azene, Eyuel Abasa, Meseret Neguse, Hayat Abdo, Getachew Tayachew

In-silico and in-vitro Toxicological Activities of the Biflavonoid Agathisflavone

Article in Press

Agathisflavone presented antioxidant, antiviral, antimicrobial and neuroprotective properties in in-vitro and in-vivo assays. However, few investigations that describes the possible toxicological effects of agathisflavone. This investigation aimed to evaluate in-silico and in-vitro toxicity of this biflavonoid. In-silico biological activity spectrum, and toxic risks prediction were performed by means of computational...

Author(s):Anderson Wilbur Lopes Andrade and Jéssica Pereira Costa

Molecular characterization of some bacteria with bioleaching potentials from Agbaja mines of Kogi State, Nigeria

Article in Press

Molecular studies were carried out on two bacterial species isolated from iron ore mines of Agbaja in Kogi State, Nigeria. This is with a view to exploring their bioleaching potentials. Preliminary morphological and biochemical tests shows that the two bacteria strains belong to Acidithiobacillus and Leptospirillum species respectively. X-ray diffraction analysis conducted on the raw iron ore gave concentrations of iron to...

Author(s): Ekpa, E,Onwurah I.N.E and Ezeanyika, L.U.S.

Disruption of C-terminal Domain Impairs in planta GCN2-dependent Phosphorylation of Arabidopsis eIF2α-subunit

Article in Press

Elucidation of mechanisms by which plants respond to stress is crucial for developing stress tolerant crops. Unlike plants, stress response mediated by eIF2α-kinases is well described in yeast and mammalian systems. We isolated a NaCl-tolerant mutant (JP2) with 35S enhancers upstream of AtGCN2. Under NaCl-stress, JP2 had 1.4 fold AtGCN2 transcripts than control. JP2 phenotype was however inconsistent, but prompted enquiry...

Author(s):Indieka S. A and Dominy P. J#

Evaluation of Tephrosia vogelii and Annona squamosa Extracts for their Efficacy against Insect Pests of Watermelon and their Effects on its Fatty Acid Profile

Article in Press

This experiment was carried out at Ladoke Akintola University of Technology, Teaching and Research farm during the late and early planting seasons of 2016 and 2017 to determine the efficacy of Tephrosia vogelii F. and Annona squamosal L. extracts on major insect pests of watermelon (Citrullus lanatus Thumb.) and their effects on nutritional content and fatty acid compounds of watermelon. This experiment was arranged in a...

Author(s): Fatai O. ALAO, Timothy A. ADEBAYO, Oladele A. OLANIRAN

Molecular diversity assessment using sequence related amplified polymorphism (SRAP) markers in maize

Article in Press

Sequence related amplified polymorphism (SRAP) markers were used to assess the genetic diversity and relationship among 11 inbred lines of maize (Zea mayL.) genotypes. Thirteen SRAP marker combinations were used out of which 11were found to be polymorphic with a PIC value of 0.632 discriminated all of the 11 Z. mays L. genotypes. The Jaccard’s similarity coefficients between pairs of genotypes were found to vary from 0.69...

Author(s):H. Dabral, D.C. Baskheti and R. K. Singh and V. P. Kumar

Genetic diversity of Kebericho(Echinopskebericho), an endangered, endemic Ethiopian medicinal plant as reveled byISSR molecular markers

Article in Press

Echinopske bericho is an important endangered medicinal plant that is endemic to Ethiopia. The levels of genetic diversity and patterns of population structure in E. kebericho were studied using inter-simple sequence repeat markers (ISSR). Six selected primers were used to amplify DNA samples from 70 individuals, and a total of 79 loci were detected. Our results showed that genetic diversity was high at the species level...

Author(s):Muluken Enyew, Teklehaimanot Haileselassie, Tileye Feyissa , Kassahun Tesfaye,

Cytotoxicity, genotoxicity and toxicity of plant biostimulants

Article in Press

The great expansion that in recent years has been in the use of plant biostimulants has underestimated the possibility of producing environmental risks. The objective of this study was to evaluate the cytotoxicity, genotoxicity and toxicity of three different biostimulants (widely marketed in Brazil and exported to other countries) – A, B and C - on both plant and animal indicator organisms. In A. cepa, the concentrations...

Author(s):Ana Paula Soares e Silva, Tamires de Sousa Silva, Amanda de Almeida dos Santos; Karoline Griebler Ribeiro; Márcia Maria Mendes Marques, Pedro Marcos de Almeida, Ana Paula Peron,

USE OF SIMPLE SIQUENCE REPEATS (SSRs) MOLECULAR MARKERS TO IDENTIFY COMMON BEAN (Phaseolus vulgaris L.) GENOTYPES WHICH ARE RESISTANT TO ANTHRACNOSE (Colletotrichum lindemuthianum)

Article in Press

Common bean (Phaseolus vulgaris L.), is among the most important legume crop for protein source in peoples’ diet globally and including Kenya. Anthracnose (Colletotrichum lindemuthianum) is a common disease of legumes that causes yield loss of up to 90-100%. The aim of the study was to investigate the use of SSR molecular markers to identify anthracnose resistant common bean genotypes. Forty four selected common bean...

Author(s):Gaudencia J. Kiptoo , Miriam G. Kinyua , Lexa G. Matasyoh, Oliver K. Kiplagat

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