Rasheed Adeleke

Rasheed Adeleke
North West University Potchefstroom South Africa

PhD

About

137
Publications
28,721
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1,414
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Publications

Publications (137)
Article
Full-text available
Draft genomes of multidrug-resistant Shiga toxin-producing Escherichia coli (STEC) strains IPK9(1) and IKS1(2), which were isolated from ready-to-eat foods (kokoro and shawarma) sold in Lagos, Nigeria, are reported. The genomes possessed genetic determinants for virulence and the antibiotic resistance gene for macrolide-associated resistance mdf(A)...
Article
Full-text available
Bambara groundnut, an underutilized crop has been proved to be an indigenous crop in Africa with the potential for food security. The rhizosphere of Bambara groundnut contains Rhizobacteria, with the ability to grow, adapt, and colonize their surroundings even in unfavorable conditions and have not been explored for their plant growth-promoting pro...
Conference Paper
Full-text available
Optimization of anaerobic digestion (AD) of lignocellulosic substrates via bioaugmentation for enhanced biomethane production is imperative. Here, eight different screened bacterial isolates were used to augment different batch anaerobic digesters that comprised freshly chopped water hyacinth (WH) and cow dung (CD), at 2% total solids (w/v). Methan...
Article
Full-text available
Hypersaline environments are underappreciated and are frequently exposed to pollution from petroleum hydrocarbons. Unlike other environs, the high salinity conditions present are a deterrent to various remediation techniques. There is also production of hypersaline waters from oil-polluted ecosystems which contain toxic hydrophobic pollutants that...
Article
Full-text available
Vermicompost (VC) harbours diverse microbes, including plant growth-promoting microorganisms (PGPM) that are beneficial for sustainable crop production. Hence, this study aimed to analyse bacterial diversity of VC samples as a first high-throughput screening step towards subsequent targeted isolation of potential bacterial inoculum candidates. To a...
Article
Microorganisms are important in maintaining soil quality and contribute to plant nutrient uptake and pathogen resistance. However, intensive tillage and inappropriate fertilizer management distorts these important functions. This study therefore investigates the influence of tillage practices and P-fertilizer management on plant beneficial bacteria...
Article
Drought and heat are major environmental stresses that continually influence plant growth and development. Under field conditions, these stresses occur more frequently in combination than alone, which magnifies corresponding detrimental effects on the growth and productivity of agriculturally important crops. Plant responses to such abiotic stresse...
Article
Full-text available
The rhizospheres of the weeds Ageratum conyzoides, Axonopus compressus, Emilia coccinea, Synedrella nodiflora, Urena lobata and Sida acuta from a sub-bituminous coal mining site and a control site, without coal discards, were screened for new fungi with ability to degrade sub-bituminous coal in the laboratory. The isolates were identified by cultur...
Article
The highly diverse nature of plant microbiota is indicative of many ecological roles of this group of microorganisms. For important medicinal plants such as Artemisia annua L (Family Asteraceae), there can be numerous functional attributes of the associated bacterial endophytes, but the diversity and functions of such endophytes remain widely unkno...
Article
Full-text available
In this study, we sequenced the entire genomes of three identified rhizobacterial strains associated with maize plantation. Genome annotation of the sequenced data revealed several putative growth-promoting proteins associated with the production of indoleacetic acids and siderophore, the assimilation of nitrogen, and phosphorus solubilization.
Article
Full-text available
Pseudomonas lipopeptides (Ps-LPs) play crucial roles in bacterial physiology, host–microbe interactions and plant disease control. Beneficial LP producers have mainly been isolated from the rhizosphere, phyllosphere and from bulk soils. Despite their wide geographic distribution and host range, emerging evidence suggests that LP-producing pseudomon...
Article
Increasing global demand for green energy has necessitated more research interest in anaerobic digestion. Due to the dual benefits of anaerobic digestion, in organic waste management and energy generation, it is rated among the best renewable energy generation options. An important challenge that limits acceptability and adoption of this technology...
Article
Full-text available
Anaerobic digestion (AD) for biogas production is affected by many factors that includes organic loading rate (OLR). This OLR appears to be closely linked to various other factors and understanding these linkages would therefore allow the sole use of OLR for process performance monitoring, control, as well as reactor design. This review's objective...
Article
Full-text available
Presently, several drug discovery investigations on therapeutic management of human health are aimed at bioprospecting for microorganisms, especially endophytic microbes of biotechnological importance. This review investigates the benefits of endophytes, especially in producing bioactive compounds useful in modern medicine by systematically reviewi...
Article
The important ecological role of arbuscular mycorrhizal fungi (AMF) on plant communities necessitates an understanding of the diversity and the factors that shape community composition of AMF associated with plants. Therefore, this study investigated the diversity and composition of AMF communities colonising the roots of eleven indigenous legumes...
Preprint
Full-text available
Hydrocarbon pollution amplified by artisanal refining has led to the devastating destruction of farmlands and fishing settlements of subsistence farmers in the Niger Delta. The relatively slow natural attenuation of these polluted sites is the motivation for this study. The natural response and the influence of intermittent tillage and nutrient add...
Article
Full-text available
Alimi AA, Adeleke R, Moteetee A. 2021. Soil environmental factors shape the rhizosphere arbuscular mycorrhizal fungal communities in South African indigenous legumes (Fabaceae). Biodiversitas 22: 2466-2476. The crucial role played by arbuscular mycorrhizal fungi (AMF) in the nutritional adaptation of plants to nutrient-deficient soils is well recog...
Article
Full-text available
Soil ecosystem perturbation due to agronomic practices can negatively impact soil productivity by altering the diversity and function of soil health determinants. Currently, the influence of rice cultivation and off-season periods on the dynamics of soil health determinants is unclear. Therefore, soil enzyme activities (EAs) and bacterial community...
Article
Full-text available
Current research energies are fixated on the synthesis of environmentally friendly and non-hazardous products, which include finding and recognizing biosurfactants that can substitute synthetic surfactants. Microbial biosurfactants are surface-active compounds synthesized intracellularly or extracellularly. To use biosurfactants in various industri...
Article
The balance in nutrient availability and retention after addition of biochar depends on the feedstock and application rates of the biochar in different soils. A pot experiment was conducted to assess the potential effect of biochar derived from poultry litter (PLB) and acacia (ACB) feedstocks on selected rhizospheric macro and micro-nutrients, shoo...
Article
Ogi is a fermented cereal beverage, made primarily from maize (Zea mays) and rarely from millets. Unlike maize-based ogi, little is known about the bacterial community and mycotoxin profile during the production of millet-based ogi. Therefore, the bacterial community dynamics and mycotoxin reduction during ogi processing from three millet varieties...
Article
Full-text available
Animal milk types in sub‐Saharan Africa (SSA) are processed into varieties of products using different traditional methods and are widely consumed by households to support nutritional intake and diet. Dairy products contain several microorganisms, their metabolites, and other chemical compounds, some with health benefits and many others considered...
Chapter
The chapter gave an insight into the biodegradation roles of microbes existing within the extreme environment of polycyclic aromatic hydrocarbon - degraded sites.
Article
Full-text available
Presently, the global biofertilizer market is expanding due to the rising acceptance of efficient soil nutrient management practices such as the application of biofertilizers amongst farmers. Biofertilizers are preferred to chemical fertilizers because they are cost-effective, ecologically friendly, and guarantee sustainable agricultural production...
Article
Anthropogenic disturbances of soil environments predispose loss of soil ecosystem functions, including its habitat support function. In this study, the potential ecosystem support and habitat functions of soils from stockpiles and post-mining reclamation areas (ranging from 3 to 25 years) in two coal mining sites were assessed using Eisenia andrei...
Article
Full-text available
The use of faecal coliforms as indicators is the traditional approach of testing water quality. Unfortunately, for a comprehensive water quality analysis, there is an increasing body of evidence that demonstrates coliforms as insufficient indicators for water quality assessment. Therefore, during the last two decades, alternative water testing appr...
Article
Lignin is an abundant biomass-derived polymer that can be utilized as an antimicrobial agent. However, its antimicrobial properties depend on the method used for its extraction. Amongst the extracted lignin, lignin-based materials including nanomaterials are often favoured due to their unique properties and mode of action in suppressing microbial g...
Article
Full-text available
Here, we report a high quality annotated draft genome of Serratia marcescens 39_H1, a Gram-negative facul-tative anaerobe that was isolated from an anaerobic digester. The strain exhibited hydrolytic/acidogenic properties by significantly improving methane production when used as a single isolate inoculum during anaerobic digestion of water hyacint...
Article
Full-text available
This investigation employed 16S rRNA amplicon sequencing to understand microbial dynamics during a 2-month field-scale oil-impacted soil remediation in the Niger Delta. Surface soil (0.0–0.5 m) had extractable total petroleum hydrocarbons (ETPH) concentrations of 6231 mg/kg and subsurface samples from 1.0 m, 1.5 m and 2.0 m depths had 4836 mg/kg, 9...
Article
Full-text available
This study investigated 13-commercial biofertilisers for their microbial contents and potential functional capabilities using a culture-based approach. Isolates obtained were identified by sequencing the partial I6S rRNA gene and ITS 1 and 2 regions and screened for plant growth-promoting capabilities. A total of 58 bacterial and three fungal isola...
Article
Until recently, research has focused on Clostridium perfringens in clinical settings without considering environmental isolates. In this study, environmental genomes were used to investigate possible antibiotic resistance and the presence of virulence traits in C. perfringens strains from raw surface water. In silico assembly of three C. perfringen...
Poster
Full-text available
Currently, it is unknown what impacts coal-mining activities may have on the ecosystem support functions of soils around South African coal mines, especially soils in areas that have been deemed “reclaimed”. This study aimed to assess the support and habitat function of coal mining-impacted soils (stockpiles and reclamation soils) in South Africa b...
Article
Crop fungal infections such as those caused by Fusarium species often result in yield loss pre- and post-harvest and during storage, contaminate food and exacerbate food insecurity. Synthetic fungicides are becoming less attractive as they pose health risks to consumers and are not environmentally friendly. As an alternative to synthetic fungicides...
Preprint
Full-text available
Background: The frequency of crude oil pollution has been on the increase following increased exploration, exploitation and production of energy from fossil fuel. Bioremediation has been shown to be eco-friendly and cost-effective method of oil spill remediation. In the Niger Delta, Landfarming has been the most used technique. The aim of this rese...
Chapter
The rising fossil fuel prices as well as negative climatic conditions caused by fossil fuel emissions have prompted technologists and scientists to develop alternative value-added fuels. These fuels can be produced from renewable bio-based materials and have less negative impacts on the environment. Much attention has been drawn to advanced fuels s...
Article
Arbuscular mycorrhizal (AM) fungi contribute to the restoration of soil ecological functions and processes during ecosystem development. Here, diversity and differentiation of AM fungi in rhizosphere soils and roots of the dominant vegetation along a post-coal mining reclamation soil chronosequence of 3, 11, 15, 19 and 24 years after reclamation we...
Preprint
Full-text available
Bambara groundnut, an underutilized crop has been proved to be an indigenous crop in Africa with the potential for food security. The rhizosphere of Bambara groundnut like other legumes contains several important bacteria that have not been explored for their plant growth-promoting properties. The aim of this research was to determine the potential...
Article
Full-text available
Soil microbial communities are suitable soil ecosystem health indicators due to their sensitivity to management practices and role in soil ecosystem processes. Presently, information on structural and functional differentiation of bacterial communities in post-coal mining reclamation soils of South Africa is sparse. Here, bacterial communities in t...
Article
Full-text available
Ready‐to‐eat foods (RTEs) are foods consumed without any further processing. They are widely consumed as choice meals especially by school‐aged children and the fast‐paced working class in most low‐ and middle‐income countries (LMICs), where they contribute substantially to the dietary intake. Depending on the type of processing and packaging mater...
Preprint
Full-text available
Background: The frequency of crude oil pollution has been on the increase following increased exploration, exploitation and production of energy from fossil fuel. Bioremediation has been shown to be eco-friendly and cost-effective method of oil spill remediation. In the Niger Delta, Landfarming has been the most used technique. The aim of this rese...
Article
BACKGROUND Improper disposal of crude oil sludge poses a public health risk due to the toxic nature of components of the waste, especially polycyclic aromatic hydrocarbons (PAHs). Such toxic wastes can be treated by bioremediation of the polluted sites with composting, an eco‐friendly technique that is gaining acceptance. Crude oil sludge was compo...
Chapter
In spite of the abundance and diversity of renewable energy resources in Africa, a dire energy crisis currently prevails. The adoption of biogas technology in Africa is promising due to its multitude of benefits including energy generation in the form of biogas, waste management and soil ameliorant production. Furthermore, biogas technology is part...
Article
The study investigated microbial population dynamics and petroleum hydrocarbon degradation during 56-day landfarming bioremediation of crude oil-polluted soil at a Community in Niger Delta Nigeria. Landfarming involved the addition of fresh top soil from unpolluted soil to the polluted soil followed by periodic ploughing. Active oleophilic bacteria...
Article
Full-text available
The uncontrolled overproduction of fruit and vegetable waste causes serious environmental challenges such as emission of greenhouse gases. Anaerobic digestion (AD) is becoming a widely adopted technology for treatment of food waste with the concomitant production of biogas. This study investigated the link between microbial community structure and...
Chapter
The natural association between plants and microorganisms has historically been linked to improved plant growth, nutrition and health. Rhizospheric and phyllospheric microorganisms have received much attention due to their applications in improved nutrient acquisition, enhanced water sequestration, induced systemic resistance, competitive exclusion...
Article
Full-text available
Surface water systems in South Africa are experiencing a major decline in quality due to various anthropogenic factors. This poses a possible health risk for humans. Here, we present the draft genome sequences of three Clostridium perfringens isolates obtained from a fecally polluted river system in the North West province of South Africa.
Conference Paper
Fertilizers are used to enhance the degradation and sequestration of oil-polluted environments, but a decrease in fertilizer efficiency can lead to severe environmental consequences. The aim of this study was, therefore, to formulate a slow release fertilizer using nutrient-rich, ecofriendly and readily available agricultural and industrial wastes....
Article
Water hyacinth (Eichhornia crassipes) is a fast growing water weed that threatens the aquatic ecosystem and human activities, hence control of the plant is essential. One such control approach is to harvest and utilise hyacinth as a substrate for anaerobic digestion (AD). Various factors influence AD performance including substrate pre‐treatment an...
Article
At present, there is no comprehensive soil quality assessment practice for soil stockpiles in the South African coal mining industry. Soil microorganisms and enzymes are suitable indicators for soil quality monitoring. Therefore, this study investigated the microbial community and enzyme (beta-glucosidase and urease) activities in soil stockpiles o...
Article
Full-text available
The genetic and predicted functional diversity of bacterial communities in 12 commercial biofertiliser products were evaluated using high-throughput sequencing of the 16S rRNA gene. Proteobacteria, Firmicutes and Bacteroides dominated the bacterial communities, with the genera Pseudomonas, Lactobacillus, Bacillus, Bradyrhizobium and Rhizobium being...
Article
Full-text available
Kunu is a traditional fermented single or mixed cereals-based beverage popularly consumed in many parts of West Africa. Presently, the bacterial community and mycotoxin contamination profiles during processing of various kunu formulations have never been comprehensively studied. This study, therefore, investigated the bacterial community and multi-...
Article
The symbioses between arbuscular mycorrhizal (AM) fungi and plant roots is essential for nutrient uptake and growth of most vascular plants. Soil condition and management influence the density and viability of arbuscular mycorrhizal fungal (AMF) spores. In this study, AMF spore density and viability in soil stockpiles obtained from three opencast c...
Article
BACKGROUND Anaerobic digestion is a microbial driven process, which results in biogas production. Although important, the relative abundance of microbial communities can be affected by disturbances such as feeding rates. In this study, the effects of irregular organic loading rates on anaerobic digestion of water hyacinth (mono‐ and co‐digestion) a...
Article
High-throughput sequence analysis of microbial communities in food matrices provides unprecedented insights into species richness and potential safety of foods. Here, the bacterial community of soy-daddawa, a fermented indigenous food condiment, was investigated for the first time using high-throughput DNA metabarcoding (16S rRNA gene). Analyses of...