Abdelghafar Mohamed Abu-Elsaoud

• Professor of Plant Physiology and Biostatistics
• Professor at Suez Canal University

Brennnesselwurzel (Urtica dioica L.) is recognized for its diverse pharmacological properties. With a range of chemical constituents, such as vitamins, minerals, phenolic compounds, fibers, and amino acids, Brennnesselwurzel (BWE) has a long history of traditional medicinal use in Europe and Asia. The correlation between a plant's metabolite compos...

Fungal endophytes act as an immune system to the host plants, allowing them to tolerate biotic and abiotic stresses and promote plant growth. Fungal endophytes might be helpful for agricultural and horticultural applications. Fungal taxa that are recovered from wild plants growing in harsh environments, viz. North Sinai, is a sustainable source of...

One of the greatest barriers to the production of peanut crops is plant-parasitic nematodes, which are the most destructive pathogens that affect peanuts globally. A survey of plant-parasitic nematodes (PPNs) in peanuts was conducted in Ismailia, Egypt. The host suitability of four Egyptian peanut cultivars for Meloidogyne arenaria cultivation unde...

Non-alcoholic fatty liver disease (NAFLD) has recently emerged as a challenging metabolic disorder with a strong emphasis on its prevention and management. Polyphenols, a group of naturally occurring plant compounds, have been associated with a decreased risk of various metabolic disorders related to NAFLD. The current systematic review aims to cri...

Green synthesis of magnesium oxide nanoparticles using endophytic fungal strain to improve the growth, metabolic activities, yield traits, and phenolic compounds content of Nigella sativa L. Abstract: Endophytic fungus Penicillium crustosum EP-1 was used to create spherical shape magnesium oxide nano-particles (MgO-NPs). The MgO-NPs possess a cryst...

Increases in the human population and economic development have led to a rise in waste production, which poses significant environmental risks and presents a pressing global issue in waste management. Among other countries, this situation affects the United Arab Emirates (UAE). On the other hand, poor waste segregation practices can result in faile...

Climate change-induced drought stress decreases crop productivity, but the application of β-sitosterol (BS) and biochar (BC) boosts crop growth and yield. A pot experiment was conducted to examine the effects of the alone and combined application of BS and BC on the growth and yield of Phaseolus vulgaris under drought stress. The synergistic applic...

Due to their widespread misuse and inadequate waste management, single-use plastic bags represent the global plastic pollution crisis and ecosystem degradation. Comprehensive research on population knowledge, attitudes, and practices (KAP) regarding single-use plastic bags is lacking in the United Arab Emirates (UAE). This study aims to fill this g...

Probiotics and prebiotics offer a range of advantageous effects on human health. The knowledge, attitudes, and practices (KAP) of individuals can impact their inclination to consume probiotics and prebiotics. The main objective of this study was to examine the KAP of the people in the United Arab Emirates (UAE) about probiotics and prebiotics consu...

The overuse of chemical fertilizers degrades the soil ecosystem and restricts the natural development of plants. Various byproducts are produced throughout the production and consumption of coffee within the coffee industry, and they are significant in terms of environmental waste. Spent coffee grounds (SCGs) contains various bioactive compounds th...

Geraniaceae are typically used as diuretic, anti-diarrhoeal, stomachic, and anti-hemorrhagic drugs. This study examined the phytochemicals and bioactivities in methanolic extract (ME) and petroleum ether extract (PEE) of the Erodium trifolium aerial part. Inductively coupled plasma mass spectrometry was used to assess the mineral profiles, high-per...

The production of economically valuable plants, such as cucurbits and tomatoes, has been negatively impacted by a variety of living organisms and environmental factors. Endophytic fungi can trigger systemic resistance in their host plant, which enhances the plant's ability to withstand biotic stress and also improves its tolerance to abiotic challe...

During the current study, the phenolic and flavonoid contents were measured in Physalis acutifolia extracts with Folin–Ciocalteu and AlCl3 methods, respectively. Various antioxidant assays, including 1,1-diphenyl-2-picrylhydrazyl, ABTS, reducing power, Fe²⁺-phenanthroline reduction, and silver nanoparticle assays, were also conducted, along with an...

The pressing need for sustainable agricultural practices, especially with the increasing population, has directed attention towards alternative fertilizers that enhance crop yield while preserving soil integrity and reducing food loss. The current study investigated the comparative efficacy of food waste compost (FOWC), vermicompost, and chemical f...

Plant parasitic nematodes cause severe damage, reducing plant production. The ability of four various biocontrol agents was surveyed for effectiveness in inhibiting J2 of Meloidogyne incognita in vitro. The study aims to explore the impact of different bio-agents (Bacillus cereus 54-1, Streptomyces erythrogriesus sub sp. 2, Pleurotus ostreatus, and...

Actinomycetes, a diverse group of bacteria with filamentous growth characteristics, have long captivated researchers and biochemists for their prolific production of secondary metabolites. Among the myriad roles played by actinomycete secondary metabolites, their historical significance in the field of biocontrol stands out prominently. The fascina...

Potassium deficit might affect the accumulation of macronutrients in wheat grains that are crucial to plant health, growth, yield, and quality. Understanding the genetic basis underlying the accumulation of macronutrients in wheat grains is important for improved nutritional wheat quality and human health under potassium deficiency. In this study,...

The growth of the marine green alga Dunaliella parva was studied and optimized under different salinity levels of NaCl (0.5, 1, 2, 2.5, and 3.5 M). The growth was monitored by cell number pigment content (Chl. a, Chl. b, and carotenoids). The grown alga, under the optimal conditions, was exposed to different stresses (nitrogen, phosphorus starvatio...

Endophytic fungus Penicillium crustosum EP-1 was used to create spherical shape magnesium oxide nanoparticles (MgO-NPs). The MgO-NPs possess a crystalline structure with sizes of 8–35 nm. The weight percentages of Mg and O were 42.44% and 30.13%, respectively, as shown in energy-dispersive X-ray analysis. In addition, analysis involving dynamic lig...

The polyphagous pest, Spodoptera littoralis (Boisduval), poses a significant global economic threat by gregariously feeding on over a hundred plant species, causing substantial agricultural losses. Addressing this challenge requires ongoing research to identify environmentally safe control agents. This study aimed to elucidate the insecticidal acti...

Diabetes mellitus (DM) is a chronic disease that occurs when the body cannot produce or use insulin properly. It is considered one of the most prevalent and fastest-growing diseases in the world, expected to affect 693 million adults by 2045. DM can cause mortalities and morbidities, although this is not directly caused by diabetes, persistent hype...

Chlorophylls are organic pigments that are a part of our daily diet, particularly in light of the increased popularity of more eco-friendly and healthy practices. Since altering oxidative equilibrium seems to be connected to the emergence of numerous illnesses, the antioxidant capacities of both groups of lipophilic compounds have been studied. The...

Salinity adversely affects the plant’s morphological characteristics, but the utilization of aqueous algal extracts (AE) ameliorates this negative impact. In this study, the application of AE derived from Chlorella vulgaris and Dunaliella salina strains effectively reversed the decline in biomass allocation and water relations, both in normal and s...

Background This study aims to evaluate the accuracy of volumetric measurements of three-dimensional (3D)-printed human condyles from cone-beam computed tomography (CBCT) in comparison to physical condyles using a water displacement test. Methodology A sample of 22 dry condyles was separated from the mandibular body by disc, mounted on a base made o...

Purpose: Salinity is a main factor in decreasing seed germination, plant growth and yield. Salinity stress is a major problem for economic crops, as it can reduce crop yields and quality. Salinity stress occurs when the soil or water in which a crop is grown has a high salt content. Biochar improve plant growth and physiological traits under salt s...

Purpose: Salinity is a main factor in decreasing seed germination, plant growth andyield. Salinity stress is a major problem for economic crops, as it can reduce cropyields and quality. Salinity stress occurs when the soil or water in which a crop isgrown has a high salt content. Biochar improve plant growth and physiological traitsunder salt stres...

Phytochemical study of the ethyl acetate root extract of Zygophyllum album has resulted in the isolation of a new saponin, Zygo-albuside D (1), along with two known compounds; (3-O-[β-D-quinovopyranosyl]-quinovic acid) (2), which is first reported in the root, and catechin (3), first reported in the genus. Their chemical structures were established...

Agriculture faces many challenges because of climate changes. The nutrients present in nano-sized form improve plant productivity, especially when used at the appropriate planting time. Field experiments were conducted as a factorial experiment for evaluating two planting dates (20th September and 20th October), foliar application with nanoparticle...

Insecticide resistance in agricultural pests has prompted the need to discover novel compounds with new modes of action. We investigated the potency of secondary metabolites from seventy endophytic actinobacteria against laboratory and field strains of Spodoptera littoralis (fourth instar), comparable to the bioinsecticide spinetoram (Radiant SC 12...

The world over, people are aware that the climate is changing as a severe environmental hazard, and it is one of the most urgent societal issues of the twenty-first century. Changes in the global climate are related to many alterations caused by industrialization: increased levels of carbon dioxide in the atmosphere (CO2), air temperature, and in u...

Introduction Chlorophylls are natural pigments in our everyday diet, especially with customers' rising preference for more natural and healthful habits. The antioxidant capabilities of both classes of lipophilic substances have been researched since disrupting antioxidant equilibrium appears to be linked to the development of several diseases. Meth...

Fungal endophytes grow endosymbiotically inside plants, where some strains promote plant growth and survival under particular abiotic stresses. Different 24 endophytic fungal taxa were isolated from different wild plants (Cakile maritima Velen, Datura metel L., Hyoscyamus muticus L., Artemisia monosperma L., and tomato plants (Solanum lycopersicum...

Actinomycetes are the source of many secondary metabolites, enzymes, and antimicrobials that have various applications. This study aimed to evaluate the photostimulatory effect of UV and laser light on the lipase, amylase and antimicrobial productivity of three actinomycetes’ strains from genera: Micromonospora, Pseudonocardia, and Nocardiopsis. Th...

Alkaline soils have fertility issues due to poor physical qualities, which have a negative impact on crop growth and output. Solidago is used in flower arrangements, bouquet filler, and traditional medicine. The possible biological fertilizers’ eco-friendly and cost-effective nature favours farmers because of the vital role in soil productivity and...

Increasing ultraviolet (UV) radiation is causing oxidative stress that accounts for growth and yield losses in the present era of climate change. Plant hormones are useful tools for minimizing UV-induced oxidative stress in plants, but their putative roles in protecting tomato development under UVC remain unknown. Therefore, we investigated the und...

This study presents a comparison between two mistletoe plants—P. acacia and P. curviflorus—regarding their total phenolic contents and antioxidant and anticancer activities. P. curviflorus exhibited a higher total phenolics content (340.62 ± 19.46 mg GAE/g extract), and demonstrated higher DPPH free radical scavenging activity (IC50 = 48.28 ± 3.41µ...

Microalgae and cyanobacteria are rich sources of numerous phytochemical compounds with intrinsic antifungal potential. This research aimed to screen the phytochemical compounds and contents, as well as the antioxidant profiles, in eight cyanobacterial and two microalgal strains isolated from soil and brackish water habitats in Egypt. Our study also...

Insecticide resistance in agricultural pests has prompted the need to discover novel compounds with new modes of action. We investigated the potency of secondary metabolites from seventy endophytic actinobacteria against laboratory and field strains of Spodoptera littoralis (4 th instar), comparable to spinetoram (Radiant® 12% SC). Endophytes from...

Endophytic Fungi stress adaptation in agriculture crops especially tomato

Salinity is among the most significant threats hindering global food security. The impact of Trichoderma, biochar, and combination on Spinach plants under salt stress conditions was investigated. Our results confirmed that salt stress (75, 150 mM) negatively affected morphological and physiological parameters of Spinach plants such as shoot (26.4%,...

When Gustav Kunze introduced genus Chaetomium, as a new genus to the science, in Mykologische Hefte (Leipzig) in 1817, the new taxon attracted the interest of the researchers in every place in the world. Genus Chaetomium is a very diverse taxon colonizing various substrates rich in cellulose such as soils, textiles, plant tissues, agricultural wast...

Crop plants are encountered by various abiotic pressures which limit their growth and development. Stresses such as drought, heat, pathogen attack, heavy metal, salinity, and radiations impose negative effect on crop plants. The reduction in crop productivity in the current era of climate change is compromising the efforts/strategies used for susta...

Nanotechnology applications are increasingly utilized to improve crops. Besides their use as antifungal and antimicrobial agents, silver nanoparticles (AgNPs) are currently exploited to improve seed germination, plant development, and photo-synthetic efficiency. In the current study, we evaluated the effect of biosynthesized AgNPs in the seedlings...

Since Pier Antonio Micheli described and published genus Aspergillus in Nova Plantarum Genera in 1729 the genus attracted an immense interest. The published Egyptian literature on the genus is scattered and fragmentary. By screening the available sources of information since 1921, it was possible to figure out a range of 150 taxa that could be repr...

Abstract Since Pier Antonio Micheli described and published genus Aspergillus in Nova Plantarum Genera in 1729 the genus attracted an immense interest. The published Egyptian literature on the genus is scattered and fragmentary. By screening the available sources of information since 1921, it was possible to figure out a range of 150 taxa that coul...

Chilling, a sort of cold stress, is a typical abiotic ecological stress that impacts the development as well as the growth of crops. The present study was carried to investigate the role of ascorbic acid root priming in enhancing tolerance of tomato seedlings against acute chilling stress. The treatments included untreated control, ascorbic acid-tr...

Barley is a very important crop worldwide and has good impact in preserving food security. The impacts of 10 mM proline and 0.5 mM salicylic acid were evaluated on water stressed barley plants (Hordeum vulgare L. Giza126). Salicylic acid and proline treatments led to increased stem length, plant dry weights, chlorophyll concentration, relative wate...

Light is the ultimate source of energy for most of life on earth. Various living organisms can capture light energy and use it, e.g. plants and autotrophs can capture light energy and convert it through photosynthesis. Light is more than the driver of energy-demanding metabolic activities; it also reports on the state of the environment through its...

Water stress reduces crop production significantly, and climate change has further aggravated the problem mainly in arid and semi-arid regions. This was the first study on the possible effects of β-sitosterol application in ameliorating the deleterious changes in wheat induced by water stress under field condition and drip irrigation regimes. A fie...

Water stress reduces crop production significantly, and climate change has further aggravated the problem mainly in arid and semi-arid regions. This was the first study on the possible effects of β-sitosterol application in ameliorating the deleterious changes in wheat induced by water stress under field condition and drip irrigation regimes. A fie...

Chaetomium genus was established by Gustav Kunze in 1817. The total number of Chaetomium species described to date is about 163. Members of the genus Chaetomium are capable of colonizing various substrates and are well-known for their ability to degrade cellulose and to produce a variety of bioactive metabolites. More than 200 compounds have been r...

Background High and low temperatures constitute the most damaging type of abiotic stress and limit the survival, and productivity of plants. The present study aimed to evaluate the role of exogenous applications of acetylsalicylic acid (ASA) in reducing the deleterious effects of cold stress. Phaseolus vulgaris L. seedlings were treated with foliar...

Mycoremediation is an on-site remediation strategy, which employs fungi to degrade or sequester contaminants from the environment. The present work focused on the bioremediation of soils contaminated with zinc by the use of a native mycorrhizal fungi (AM) called Funneliformis geosporum (Nicol. & Gerd.) Walker & Schüßler. Experiments were performed...

(A-F) Mycorrhizal colonization of wheat under high levels of zinc, (A-B) Vesicles; (C-D) Arbuscules; (E) Hyphal coils; (F) Extraradical hyphae. (TIF)

The current study aims to record the role of the pretreatment of Zea mays grains with a He-Ne laser damage repair of ultraviolet (UVA+B) radiation effect. Plants were divided into four groups; control group, group exposed to the He–Ne laser only for 1- 300 seconds, group exposed to UVA+B only and in the fourth group; grains were treated with differ...

The introduction of telecommunication instruments, especially microwaves, leads to a massive increase in electromagnetic pollution. The current research intends to assess the physiological effects of microwave radiations on barley (Hordeum vulgare L.). Barley seeds were exposed to eight different exposure periods of microwave from 0 to 600 seconds....

Current study is devoted to comparatively assess spectrophotometric chlorophyll measurements and portable chlorophyll meter methods after photostimulation of common wheat with UVA+B radiation. Two different methods of chlorophyll measurements were assessed: first method by using spectrophotometer instrument (SPM); second method by using AtLeaf-Port...

Synthesis of fungal-derived silver nanoparticles (AgNPs) by endophytic fungi is being of major interest and applied recently in various fields. The current study aims to green synthesis of AgNPs by some endophytic native taxa isolated from six medicinal plants from arid South Sinai and optimizing production conditions combined with photostimulation...

The bioeffects of electromagnetic frequencies were of special interest among scientists, especially microwave and radiofrequencies of different sources from which the mobile communication. The current research study aims to evaluate and assess the effect of seed pre-sowing exposure to microwave radiations of 2.45 GHz on various germination and grow...

UV radiation from the sun has always played important roles in our environment, and affects nearly all-living organisms biologically. Yet UV radiation at different wavelengths differs in its effects, and we have to live with the harmful effects as well as the helpful ones. The sun radiates energy in a wide range of wavelengths, most of which are in...

Abstract Biological methods of metals removal from aqueous solution, known as biosorption have been recommended as cheaper and more effective technique in bioremoval of heavy metals. During the extracurricular activities of microbiology’ student team, ten polluted soil sediments were collected from Lake Manzala near the industrial area of Port Sai...

The present study has been devoted to compare between the commonly used spectrophotometric method (SPM) for chlorophyll measurement and the portable chlorophyll meter (AtLeaf) method (PCM) for direct reading. Photobiostimulation of chlorophyll has been induced in leaves (30-day-old) of six cultivars of common wheat (Triticum aestivum L.) in Egypt,...

Current research study was targeted to evaluate the effect of enhanced levels of ultraviolet radiation doses on growth, and some antioxidant enzymes of three broad bean (Vicia faba L.) cultivars (Sakha-1, Sakha-2 and Giza-716) and the role of external proline treatment on oxidative stress and antioxidants defence mechanisms. Seeds soaked in 0.01 M...

Abstract: Photostimulation using photobiological methods can be considered as a valuable tool for enhancing the agricultural technologies especially in resolving global food problems. Current study aims to investigate the impact of double-pulse He-Ne laser on germination, growth, oxidative stress and antioxidant enzyme of wheat (Triticum aestivum)....

Recently the biostimulatory role of physical methods have been observed in major agricultural crop plants, He-Ne laser is one of the most significant biophysical method for enhancing not only seed germination but also plant growth and development. Seeds of wheat cultivars from Kazakhstan (cultivars; aksay, kazakhstanskaya-10 and eretrospermum-350)...

Recently the biostimulatory role of physical methods have been observed in major agricultural crop plants, He-Ne laser is one of the most significant biophysical method for enhancing not only seed germination but also plant growth and development. Seeds of wheat cultivars from Kazakhstan (cultivars; aksay, kazakhstanskaya-10 and eretrospermum-350)...

Dissertational work is devoted to researching the comparative influence of electromagnetic radiations with wavelengths from 400.0 to 800.0 nm, irradiation expositions from 1 to 1800 seconds and power intensities from 0.5 to 10 mW.cm-2 on various physiological, biochemical, biophysical, anatomical, morphological and biometrical parameters of four co...

n this research, the influence of infra-red laser on four wheat cultivars from Kazakhstan and Egypt were carried out in order to enhance their germination percentage. Seeds were in vitro irradiated to IR laser for 0, 1, 3, 10, 30, 60, 180, 600, 1200 and 1800 sec. Seeds pre-sowing irradiation with monochromatic infra-red (IR) laser have increased th...

The role of polychromatic integrated wavelengths of white light was to be assessed in this research paper. Experiments were carried out on four wheat (Triticum aestivum L.) cultivars three from Kazakhstan namely; cv. Aksay, Kazakhstanskaya-10 and Eretrospermum-350, and one cultivar from Egypt (cv. Sakha-168). Grains were irradiated in lab with inte...

The present study was aimed to investigate the effect of different ultraviolet radiation doses on the growth, and antioxidant enzymes of three cultivars of soybean ( Glycine max L.) (‘Giza-22’, ‘Giza-35’ and ‘Giza-111’). The seeds were grown in plastic pots equally filled with a mixture of pre-sieved sandy loam soil, peat-moss and vermiculite (2: 1...

The present study was carried out to investigate the effect of different ultraviolet radiation doses on the growth and UV-screening compounds of three cultivars of soybean (Glycine max L.) (Giza-22, Giza-35 and Giza-111). The seeds were grown in plastic pots equally filled with a mixture of pre-sieved sandy loam soil, beat-moss and vermiculite (2:1...

The present study was carried out to investigate the effect of different ultraviolet radiation doses on the growth and UV-screening compounds of three cultivars of soybean (Glycine max L.) (Giza-22, Giza-35 and Giza-111). The seeds were grown in plastic pots equally filled with a mixture of pre-sieved sandy loam soil, beat-moss and vermiculite (2:1...