Receiver operating characteristic (ROC) and R fitting curve for quantifying rhizobacteria and foliar bio-fertilizer combination performances on maize crop growth process in an arid soil
December 2024
Studies have suggested that microorganisms in the rhizosphere have the potential to improve soil fertility without causing any environmental problems. Previous studies have shown a synergistic interaction between these microorganisms and foliar bio-fertilizers as an acceptable practice for improving maize and soybean growth and yield in the arid agro-climate of Korhogo, Northern Côte d'Ivoire. In this study,...
The determination of chemical composition in some vinegars and compliance with food legislation
December 2024
This paper covers that the six different brands 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 analyzed 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...
Induction of flowering in cassava (Manihot esculenta Crantz) using plant growth regulators, pruning and extended photoperiod through night-breaks
December 2024
Cassava is a food security crop in Kenya, whose production is hampered by cassava brown streak disease (CBSD) and cassava mosaic disease (CMD). These challenges require urgent resistance breeding. Crossing of varieties in cassava is disadvantaged by poor and asynchronous flowering. This study aimed to induce and enhance flowering in CBSD immune and resistant clones with variable flowering characteristics. Two...
Molecular detection of Schistosoma haematobium infection among school children in Sabon-Gari Local Government Area, Kaduna State, Nigeria
November 2024
Urogenital schistosomiasis is the most prevalent type of schistosomiasis, leading to terminal haematuria and bladder wall pathology. The disease is often characterized by blood in urine, affecting 110 million individuals globally. This study was conducted to determine the prevalence and associated risk factors of Schistosoma haematobium infection, the major pathogen of the disease, among school-age children in Sabon...
In vivo assessment of aqueous extract of African locust beans pulp-mango peel blend as a potential alternative natural sweetener for Alloxan induced diabetic rats
November 2024
The search for safer and more nutritious natural sweeteners as alternatives to commercial sweeteners, which are implicated in obesity and diabetes mellitus, has led to the utilization of African locust bean (Parkia biglobosa) pulp, which is rich in dietary fibers, soluble sugars, and vitamins. Mango peels, containing antioxidants, fiber, and nutraceuticals, were also used. The pulp and mango peels were blended and used...
Identification and molecular characterization of Caryedon furcatus (Anton & Delobel), the main pest of Senegalia macrostachya (Reichenb. ex DC. Kyal & Boatwr) seeds in storage in Burkina Faso
October 2024
In Burkina Faso, seeds of Senegalia macrostachya (Rchb. Ex DC.) Kyal. & Boatwr. during storage are attacked by a pest morphologically identified as Caryedon mauritanicus Auct. It was described for the first time in 2004 under a new name 'Caryedon furcatus' by Anton and Delobel. Thus, C. mauritanicus is now considered to be C. furcatus. In the present study, for the first time, genetic characterization of C....
Morphological, biochemical and sensory characterization of some cocoa genotypes (Theobroma cacao L.) grown in Cameroon
October 2024
Cameroon’s cocoa is derived from a wide variety of genetic material. These genotypes are not adequately classified in terms of the quality of cocoa produced. The aim of this study was to help improve cocoa quality by selecting genotypes with organoleptic properties. An assessment was conducted on the agro-morphological, biochemical and sensory characteristics of traditional 'German cacao' genotypes (GR and...
Estimates of genetic parameters and agronomic performance of spider plant (Cleome gynandra) in three climatic zones of Burkina Faso
October 2024
Cleome gynandra L. is one of the leafy vegetables traditionally appreciated in the human diet, with interesting nutritional and therapeutic values. Its cultivation generates substantial income for market gardeners. To make the most of this important resource in the country's different climatic zones, we need to know more about its agronomorphological performance and estimate its genetic parameters. The aim of the...
Zootechnical characteristics and ovarian potential of Kouri cows slaughtered in the Lake Chad Region
October 2024
The present study was conducted on the zootechnical characterization and ovarian potential of Kouri cows slaughtered in four slaughterhouses in the Lake Chad region. For this purpose, a total of 100 cycled cows and 20 pregnant cows were used. Before each cow was slaughtered, its age, weight and body condition score were determined. At the slaughterhouse, the ovaries were removed and transported in a portable cooler at...
Enhanced rooting and regeneration of canola (Brassica napus L.) cultivars after a brief period (shock) on growth regulator-free Murashige and Skoog (MS) medium
September 2024
The comparative organogenesis of Brassica napus L cultivars Cyclone, Star and Westar was studied. The cotyledonary explants gave a higher response to all the combinations of 0.5 mg/L 2,4-Dichlorophenoxyacetic acid (2,4-D) and benzylamino purine (BAP; 0.5, 1.0,1.5 and 2.0 mg/L) used for optimizing the conditions for callus induction. The best mean weight and mean length of callus was obtained at 0.5 mg/L 2,4-D and 1.5...
Assessing genetic variability induced in chickpeas by gamma rays
August 2024
Mutation breeding is a useful technique for discovering desirable traits in chickpea genomes. Therefore, the overall objective of this study was to bring out genetic variability in the genotype of chickpeas by treating the seeds with six doses (0.0, 25, 50, 100, 200, 400 and 800 rad) of gamma irradiation to generate genetic variations in morphological traits and yield components to bring out information about the...
Molecular characterisation for resistance to leaf spot disease in some local groundnut ecotypes of Burkina-Faso
August 2024
Leaf spot disease is the major constraints causing yield losses in groundnut. Numerous breeding programmes have been set up to select disease-resistant varieties, but the selection pressure exerted by resistant varieties encourages the development of new biotypes. It is therefore necessary to use biotechnology to identify traits of interest. The general objective of this study is to identify SSR markers associated...
Influence of soil physical properties, chemical contents and rhizobacterial loads on soil quality in maize fields of Southwestern Nigeria
July 2024
In Southwestern Nigeria (SWN), the high demand for maize has resulted in increased levels of maize cultivation. However, continuous maize cultivation is directly or indirectly affecting soil nutrient reserves. This study therefore assessed and compared the soil physical conditions, chemical contents, and rhizobacterial loads of soil samples collected in maize fields across the five (Guinea Savannah-GS, Derived...
Effect of planting dates on the quantitative traits of Solenostemon rotundifolius [(Poir.) J. K. Morton]
July 2024
The present study aimed to evaluate the effect of the planting date on quantitative traits of S. rotundifolius. To this end, twelve accessions of S. rotundifolius, including six (6) from Burkina Faso and six (6) from Ghana, were subjected to agro-morphological evaluations using a Fisher block design with three replications on three dates: April 3rd (D1); June 3rd (D2) and July 8th (D3). Fourteen (14) quantitative traits...
Modifications of growth, mineral uptake, chlorophyll content, osmolyte contents, antioxidant compounds and yield of three varieties of yam (Dioscorea rotundata L.) in saline conditions
June 2024
A vast area of the world is negatively impacted by salinity which causes loss of crop yields. Modifications in the growth, mineral uptake, chlorophyll content, osmolyte contents, antioxidant compounds and yield of three varieties of yam (Dioscorea rotundata L.) were evaluated in saline conditions, in a greenhouse (0, 50, 100 and 200 mM) and farm (0 and 50 mM). The leaf area, stem height, noose diameter, chlorophyll...
Assessment and validation of reference genes for qRT-PCR normalization in local cowpea (Vigna unguiculata L.) varieties in response to sterilized and unsterilized soil conditions
June 2024
Quantitative reverse transcription polymerase chain reaction (qRT-PCR) is widely employed as a mandatory analysis in biological work to analyze and validate gene expression; however, its precision is greatly hampered by the robustness of the internal control genes employed for normalization. In this study, we selected suitable housekeeping genes in leaves of cowpea for normalization of expression analysis when...
Optimization of the sensorial quality of Saka Saka, a dish made from cassava leaves
May 2024
The goal was to improve Saka Saka's sensory quality. The study analyzed Saka Saka samples by pre-treating cassava leaves, mixing ingredients, and optimizing color, odor, and taste. The data was analyzed using Minitab 17.3.1 software, with replicates varying. The sensory evaluation of Saka Saka samples showed acceptable characteristics, with scores ranging from 5 to 8. The most appreciated characteristic was color,...
Pathogenic and molecular characterization of Pseudocercospora griseola, the causal agent of angular leaf spot of common bean, in Eastern Democratic Republic of Congo (DRC)
May 2024
Angular leaf spot (ALS) caused by Pseudocercospora griseola is the most economically damaging common bean (Phaseolus vulgaris L.) foliar disease in Democratic Republic of Congo (DRC) and elsewhere in Eastern and Central Africa. Information regarding pathotypes distribution and genetic structure that would enable development of appropriate control measures is still lacking in DRC. The study aimed to investigate the...
Effect of incorporating the pulp of the fruit of Detarium microcarpum Guill & Perr. on the quality of the traditional malt-based drinks in West Africa
May 2024
Detarium microcarpum is a forest plant widely used in West Africa. However, it is little known and used for food. This study aims to assess the beneficial effect of incorporating the pulp of the fruit of D. microcarpum on the quality of the traditional malt-based drinks. Thus, the objective was to produce traditional drinks based on composite flour of D. microcarpum pulp and malt, then to characterize these drinks on...
Evaluation of the seroprevalence of okra mosaic virus in Koulikoro, Mali
April 2024
Mosaic virus disease is transmitted by several types of viruses such as OMD, OYVMV, OLCV, CLCuGV, and CYCrV. Among these viruses, some of them are significant threats to okra production worldwide. To develop an integrated pest management strategy against this disease, this seroprevalence study was conducted at the Rural Polytechnic Institute (RPI) of Katibougou, Koulikoro region, Mali. Symptomatic leaves of okra plants...
Isolation and binary fusion of taro (Colocasia esculeneta (L) Schott.) protoplast: Towards developing somatic hybridization protocol as an alternative to sexual hybridization
April 2024
Collocasia esculenta (L) Schott. (Taro) genotypes cultivated in Kenya rarely produce flowers, thus improvement via pollination is hindered. Somatic hybridization is an attractive alternative to circumvent flower pollination constrain and hence explored in this study. The aim of this study was to optimize isolation and binary fusion of protoplast obtained from C. esculenta (Dasheen) and C. antiquorum Eddoe) genotypes....
Evaluation of runs of homozygosity and genomic endogamy in the Creole breeds Guaymi and Guabala in Panama
April 2024
The inbreeding coefficient measures the likelihood of identical alleles at a locus in a population due to descent from a common ancestor, highlighting potential negative impacts on health and fitness in both natural and domesticated populations. This study focuses on homozygous segments continuous genomic regions of homozygosity resulting from the inheritance of identical haplotypes from both parents and their role in...
In vitro antifungal potential of citral and nanoencapsulated citral against Fusarium oxysporum f.sp. lycopersici
April 2024
This study aimed to encapsulate citral in chitosan nanoparticles and test its antifungal activity, along with the nanoparticles, against Fusarium oxysporum f.sp. lycopersici (FOL), a soil-borne pathogen causing worldwide yield losses in tomato production. The nanoparticles were characterized using scanning electron microscopy (SEM), FT-IR, encapsulation efficiency (EE), loading capacity (LC), and in vitro release...
Effects of seed coat pigmentation on germination characteristics and antioxidant properties of Argyrolobium uniflorum ((Decne.) Jaub. & Spach) in southern Tunisia
March 2024
Seeds of Argyrolobium uniflorum (Fabaceae), a spontaneous plant in arid and semi-arid regions of Tunisia, showed a color variability in their seed coats (green, orange, yellow and brown). The influence of the color of seed coat on germination and phytochemical seed composition was evaluated. Germination tests were carried out and the results obtained show that the applied chemical treatment (sulfuric acid) improved...
Genetic diversity of Fusarium isolates infecting potato (Solanum tuberosum) and tobacco (Nicotiana tabacum) crops in Zimbabwe
March 2024
Potato (Solanum tuberosum) and tobacco (Nicotiana tabacum) are important crops that contribute significantly to Zimbabwe’s economic development. However, they are attacked by Fusarium species leading to reduced yields, quality and profitability for farmers. A study was conducted to investigate the diversity of Fusarium spp. causing wilt and rots in both crops in Zimbabwe. Plants displaying symptoms of wilting,...
Detection of virulence genes and antibiogram of Shiga toxin-producing Escherichia coli O157:H7 from slaughtered cattle and abattoir effluent in Zaria, Nigeria
March 2024
Shiga toxin-producing Escherichia coli (STEC) O157:H7 is a formidable human pathogen causing food-borne diseases worldwide. The present study investigates virulence genes and determines the antimicrobial characteristics of STEC O157:H7 isolates from faecal and effluent samples at Zaria abattoir in Zaria. PCR assays were used to detect the virulence genes of STEC O157:H7 isolates. The isolates that produced stx genes...
Systematic studies on tetra SL hybrid hen technology and rearing for chicken welfare
March 2024
In Serbia, there are 4 to 6 genotypes of hens used for producing eggs for consumption, including hybrid Tetra SL. The proper rearing of commercial flocks is critical for timely laying, intensity of laying capacity, number of laid eggs, and period of hen usage. The aim of this paper is to analyze the results of rearing the offspring of hybrid Tetra SL, from one-day-old chickens to eighteen-week-olds, with a review of the...
Screening of tuberculosis in highly exposed children in the population of Cameroon central region
March 2024
Although the treatment for tuberculosis (TB) is available nowadays, it remains a real concern, especially since cases in children are often detected late and underreported. Studies have shown that elevated serum levels of C-reactive protein (CRP) are associated with TB in adults. This study aims to assess the CRP levels among the pediatric cases at Jamot Hospital (Yaoundé) and Meguemessi community in Cameroon....
Distribution of cassava mosaic begomoviruses in the North-Western provinces of Democratic Republic of Congo
February 2024
This study was carried out for the first time in the North-Western Democratic Republic of Congo (DR Congo) as part of the Viral Epidemiology in West and Central Africa (WAVE) program. Its dual aim was to identify and map the viruses responsible for African cassava mosaic in this part of the country. Cassava leaf samples were collected during a geo-referenced survey conducted from 1st February to 31st March, 2022 in...
The effect of clarification methods on quality attributes of sugarcane-watermelon wine fermented by palm wine yeast (Saccharomyces cerevisiae)
February 2024
Clarification of wine is aimed at improving the quality of the product by removing haze. In this study, the effect of two clarification methods namely membrane filtration technique and the use of Keiselguhr diatomaceous earth powder on the physico-chemical and sensory attributes of wine produced using sugarcane (Saccharum officinarum L) and watermelon (Citrullus vulgaris L) juice blended in the ratio 1:1 (v/v)...
Multi-resistance to carbapenems by the production of Imipenemase (IMP)-types carbapenemases in Gram-negative bacilli in Burkina Faso
February 2024
The growing prevalence of Imipenemase (IMP) metallo-beta-lactamases (MBL) producing strains of Gram-negative bacilli (GNB) pathogens is a real concern for clinicians in the light of therapeutic impasses driven. However, resistance genes encoding these enzymes are hardly documented in Burkina Faso. This study aims to show carbapenem-resistance mediated by the production of IMP-type carbapenemase in GNB clinical strains...
Establishment of an efficient regeneration protocol of six different varieties of wheat (Triticum aestivum L.)
February 2024
An efficient callogenesis and regeneration protocol was optimized for six different wheat (Triticum aestivum L.) varieties including Chakwal-50, Galaxy-01, NARC-09, Pakistan-13, Millat-11, and Borlog-14. For callogenesis, mature seeds of each variety were used as explant, surface sterilization, and culturing were carried out on MS medium enhanced with dissimilar levels (0.5, 1.5, 2.5, 3.5, 4.5, and 5.5 mg/L) of...
Purification of stilbene synthase from Phaseolus vulgaris and determination of its catalytic activity
January 2024
Stilbene compounds, secondary metabolites produced by plants in response to external environmental stimuli, are garnering increasing attention. Stilbene synthase (STS) plays a crucial role in their synthesis. This study focuses on the purification of stilbene synthase from Phaseolus vulgaris and the determination of its catalytic activity. The stilbene synthase gene obtained from the Phaseolus genome was expressed in...
Morphological traits variation of cowpea (Vigna unguiculata L. Walp) grown in Côte d’Ivoire
January 2024
The genetic diversity of a genetic resource is an indicator of its richness and offers many possibilities for improvement. Cowpea is an important source of nutrients for humans and animals. This study aimed at assessing genetic diversity and relationships present among 135 accessions in the Centre National de Recherches Agronomiques (CNRA) collection, using qualitative traits. Traits analysis revealed significant...
Estimates of genetic variability in ultraviolet irradiated populations of summer squash
January 2024
Summer squash is an important member of the family Cucurbitaceae. It is one of the most popular vegetable crops cultivated in Egypt. Increasing yield and improving fruits quality are the targets for growers. Therefore, this study aimed to evaluate the extent of genetic variations, heritability, as well as expected genetic advance for growth and yield related traits in four genotypes of summer squash subjected to three...
Analytical performances description of the immunoturbidimetric method for the determination of HbA1c using Selectra Pro M automated system at the Institut National d'Hygiène (INH) of Lomé
January 2024
HbA1c is the best indicator for monitoring glycemic control in both type 1 and type 2 diabetic patients. Its value allows us to predict the development of long-term degenerative complications of diabetes. Several techniques offered by different laboratories allow the determination of HbA1c based on different principles. The purpose of the present study was to perform the verification of the analytical performances of...
Typing of enterovirus identified from Moroccan mussels (Mytilus galloprovincialis Lamarck, 1819) by seroneutralization
January 2024
Non-poliovirus enteroviruses (NPEV) are infectious agents which can determine various illness in human such as hand-foot-mouth syndrome, angina, respiratory diseases, acute or chronic heart disease, diarrhea, pancreatitis, acute hemorrhagic and conjunctivitis. These viruses are eliminated in the stool and thus contaminate the marine environment and shellfish. In Morocco, shellfish sanitary quality analysis does not...
Callus induction of Tacca integrifolia Ker Gawl using stem nodal segment
December 2023
A study was conducted to determine the optimum concentration of plant growth regulators on in vitro callus induction of Tacca integrifolia using stem nodal segment. Fresh, dry weight and morphology of callus were evaluated and the results showed significant effects on callus induction when analyzed at a 5% level of significance. Among the treatments, Murashige and Skoog with only 6-Benzylaminopurine (1.0 mg/L) produced...
Identification of antagonistic bacterium strain and biocontrol effects on ginseng root rot disease
December 2023
From healthy mountain-cultivated ginseng leaves, 45 endophytic bacteria strains were isolated. Antagonistic bacterium strain FS17 was screened with the confront culture method, and identified as Bacillus subtilis based on morphological characteristic and 16S rRNA sequence analysis. Growth rate method was used to determine that the fermentation broth of FS17 had inhibitory effect on 10 plant pathogenic fungi, and the...
Preferential expression of somatic embryogenesis in five elite genotypes of Theobroma cacao (L.) associated with explant type and protocols used
December 2023
This study aims to identify the suitable subculturing time, culture media (protocols) and explants type suitable for somatic embryogenesis expression in five elite genotypes of Theobroma cacao L. Thus, petals and staminodes explants extracted from immature flower buds of genotypes (C1, C8, C9, C14, and C16) are first grown in different media (CIM and CDM) to assess the subculturing time. Then, successive transfers in...
Isolation and molecular identification of tannase producing fungi from soil
December 2023
The study was conducted to isolate and identify tannase producing fungi from soil. Soil samples were collected aseptically and cultured on tannic acid agar (TAA) to screen for tannic acid hydrolysis. The observed isolates were sub-cultured to obtain pure culture and were later subjected to secondary screening in the Czapek medium. The biomass weight, tannase activity, and gallic acid concentration in the fermentation...
Inoculation effectiveness of native and exotic Bradyrhizobium species strains in a Senegalese agricultural soil: A comparison on modern and traditional peanut (Arachis hypogaea L.) cultivars
December 2023
Peanut is a key component of Senegal’s predominantly cereal-based farming systems, but its production is challenged by low soil fertility. Rhizobial inoculation is a promising strategy to improve crop yield and reduce the use of chemical nitrogen fertilizers. The aim of this study was to isolate the most specific and effective bradyrhizobial strain for peanut, and to determine the degree of variability in the...
Dynamics of the vaginal microbiome during the menstrual cycle of HIV positive and negative women in a sub-urban population of Kenya
November 2023
Vaginal microbiome (VM) is dominated by Lactobacillus for maintenance of vaginal health. The objective of this study was to characterize changes in the VM during the menstrual cycle of HIV positive (HIV+) and HIV negative (HIV-) women in a sub-urban population of Kenya. In this longitudinal study of 38 women-20 HIV+,18 HIV-high vaginal swabs were for genomic DNA and Gram stain and quantitative PCR (qPCR). qPCR nested on...
A comparative study of transgenic cotton development, impacts, challenges and prospects with respect to China and Africa
November 2023
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...
Efficacy of organic extracts of Nicotiana tabacum (Solanaceae) leaf and Jatropha curcas (Euphorbiaceae) seed against Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) under laboratory conditions
November 2023
The maize weevil is a pest of stored maize controlled with synthetic insecticides. The widespread use of these insecticides, however, is harmful to the environment and human health. In this study, solvent extracts (SEs) and powder treatments (PTs) of Nicotiana tabacum leaves and Jatropha curcas seeds were tested for their efficacy against Sitophilus zeamais Motschulsky. The experiment was designed in a completely...
Assessment of the stability and genotype-environment interaction of a spider plant (Cleome gynandra L.) collection in Burkina Faso: Application of the AMMI and GGE models
November 2023
Spider plant, Cleome gynandra L (Cleomaceae) is an important traditional leafy vegetable in Burkina Faso diets. Due to its high nutritional value and medicinal properties, it is a good dietary supplement for combating nutritional deficiencies and certain degenerative diseases. However, the lack of quality seeds and poor agronomic performance are limitations to crop improvement. The aim of the present study was to...
Evaluation of viral hepatitis C screening at Institut Pasteur of Côte d'Ivoire from 2012 to 2022
November 2023
The hepatitis C virus (HCV) accounts for 48% of the 1.4 million deaths from viral hepatitis worldwide. The prevalence of HCV was estimated at 5% in Côte d'Ivoire in 2015. The aim is to evaluate screening for the HCV at the Institut Pasteur de Côte d'Ivoire (IPCI) from 2012 to 2022. A retrospective study was carried out to monitor changes in screening for the anti-HCV Ac at the IPCI. The parameters of...
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
October 2023
Quality of palm oil determines its consumer and market acceptability and price. This correlates directly to its moisture (%), free fatty acid (% FFA) and total fatty matter (%TFM) content. The aim of the present study was to evaluate the quality of low free fatty acid (LFFA) and high free fatty acid (HFFA) crude palm oil (CPO) samples aged 5 to 10 days, purchased from four locations in Southern Nigeria. HFFA CPO is...
Screening extracts of fungal endophytes isolated from Allophylus abyssinicus (Hochst. Radlk.) for control of bean anthracnose
October 2023
Common bean is consumed in large quantities globally but it is highly susceptible to Colletotrichum lindemuthianum, leading to 90 to 100% yield losses. This study investigated the bioactivity of secondary metabolites from Allophylus abyssinicus fungal endophytes against C. lindemuthianum, causing bean anthracnose. A total of 37 fungal endophytes were isolated from the leaves, bark and roots of A. abyssinicus and 20%...
Effects of sound waves on conidiospores of Aspergillus oryzae strain RIB40 and characterization of the enzyme activity of rice–koji
October 2023
It was reported that the glucoamylase activity of rice-koji prepared with sound-irradiated conidiospores of yellow-koji, Aspergillus oryzae, at 16 kHz was decreased as compared with that of conidiospores that had not been sound irradiated. To reveal why the glucoamylase activity was changed, we observed the changes of the expression level of glaB encoding glucoamylase. We also determined to observe how the germination...
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