Ali Bahkali

Ali Bahkali
King Saud University | KKUH · Department of Botany and Microbiology

PhD

About

322
Publications
339,091
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12,504
Citations
Citations since 2017
35 Research Items
8429 Citations
201720182019202020212022202302004006008001,0001,2001,400
201720182019202020212022202302004006008001,0001,2001,400
201720182019202020212022202302004006008001,0001,2001,400
201720182019202020212022202302004006008001,0001,2001,400

Publications

Publications (322)
Article
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Biology retracts the article “Advantage of Species Diversification to Facilitate Sustainable Development of Aquaculture Sector” cited above [...]
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Intensified agrochemical-based monoculture systems worldwide are under adoption to meet the challenge of human population growth and the ever-growing global demand for food. However, this path has been opposed and criticized because it involves overexploitation of land, monoculture of few species, excessive input of agrochemicals, and adverse impac...
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The present study describes the enhanced photodegradation of organic pollutant dyes, congo red (CR) and rhodamine B (RhB) dyes under visible light irradiation. AgIO4 nanorods decorated on Bi2S3 nanoflakes in various proportions were synthesized via sono-chemical route wherein the deposition of varying amounts of AgIO4 on Bi2S3 plays a pivotal role...
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The present study highlighted the evaluation of visible light-driven catalytic efficiency of ZnFe2O4 decorated CeO2 nanocomposite (CeO2/ZnFe2O4 NCs) fabricated by chemical co-precipitation method for degradation of methylene blue (MB) dye. HRTEM, SEM, and SAED confirmed it to be spherical shaped with polycrystalline nature and chemical states being...
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Luminescent nanoparticles synthesized via bio-based protocols that generate nanoparticles having different chemical compositions along with other functionalities (size and morphology) have received huge attention. We have focused our research on gold sulfide nanoparticles (Au2S NPs) and have biosynthesized these NPs using the fungus Humicola sp. Th...
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Aminoglycoside (AMG) antibiotics are being applied to treat infections caused by Gram-negative bacteria, mainly in livestock, and are prescribed only in severe cases because of their adverse impacts on human health and the environment. Monitoring antibiotic residues in dairy products relies on the accessibility of portable and efficient analytical...
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Sulfonated poly (vinylidene fluoride-co-hexafluoropropylene) (sPVdF-HFP) nanocomposite membranes with shuttle-like sulfonated barium tungstate (sBaWO4) and strontium barium tungstate (sSrBaWO4) nanofillers are formulated as solid state electrolytes for direct methanol fuel cells (DMFCs). Morphological features of shuttle-like fillers are intact eve...
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Globally, the production of zinc oxide nanoparticles (ZnO NPs) increased due to its wide applications including cosmetics, paints etc., and gets accumulated in the environment during their production, use or end-of-life. The toxic effects of the NPs vary with the presence of various surface modification agents. In the current report, toxic effect o...
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Economic biowaste to biofuels production technology suffers from issues including high production cost of cellulase enzyme and its low efficiency. In this study five lignocellulosic biomass based on their high cellulosic contents are employed in 1:1 ratio with mixed fungal consortia to achieve enhance cellulase production via solid state fermentati...
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Fungal metabolites, proteins, and enzymes have been rich sources of therapeutics so far. Therefore, in this study, the hypha extract of a newly identified noble fungus (Alternaria sp. with NCBI Accession number: MT982648) was used to synthesize silver nanoparticles (F-AgNPs) to utilize against bacteria, fungi, and lung cancer. F-AgNPs were characte...
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Drought stress is the major abiotic factor limiting crop production. Co-inoculating crops with nitrogen fixing bacteria and plant growth-promoting rhizobacteria (PGPR) improves plant growth and increases drought tolerance in arid or semiarid areas. Soybean is a major source of high-quality protein and oil for humans. It is susceptible to drought st...
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Drought or water stress is a limiting factor that hampers the growth and yield of edible crops. Drought-tolerant plant growth-promoting rhizobacteria (PGPR) can mitigate water stress in crops by synthesizing multiple bioactive molecules. Here, strain PAB19 recovered from rhizospheric soil was biochemically and molecularly characterized, and identif...
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This is the first study of thraustochytrids from the Red Sea coast in Saudi Arabia. One hundred and thirty-four isolates of thraustochytids were cultured from Al-Leith, Jeddah and Yanbu mangroves from this area, and were categorized into 38 morphotypes. Among the isolated thraustochytrids, Aurantiochytrium was the most speciose genus, represented b...
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Introduction: Protein-derived biogenic syntheses of inorganic nanoparticles have gained immense attention because of their broad spectrum of applications. Proteins offer a reducing environment to enable the synthesis of nanoparticles and encapsulate synthesized nanopar-ticles and provide them temporal stability in addition to biocompatibility. Meth...
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The mesoporous network of γ-Al2O3 ceramic support was coupled with the two dimensional (2D) hexagonal CdO nanoplates by ultrasonic assisted method. The fabricated photocatalyst was analyzed for its structural, morphological and optoelectrical properties by employing X-ray photoelectron spectroscopy (XPS), high-resolution transmission electron micro...
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Trivalent chromium ions are the abundant toxic metal, released to environment by various industrial effluent discharges. A sensitive and specific SPR technique for Cr(III) detection in trace levels from aqueous sample was developed in the present study. Here, Ag decorated Au nanoparticles (NPs) was functionalized with citrate by chemical-reduction...
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Mn-based photocatalyst and antimicrobial agent was synthesized by ultrasonic-assisted co-precipitation method by keeping MnO2 as active compound and Al2O3 was adopted as catalyst support. XRD and HRTEM analysis verified the co-existence of MnO2 and Al2O3 and the crystalline nature of NCs. The XPS and EDAX revealed the chemical states of elements na...
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This is the first high-throughput amplicon sequencing study of mycobiome associated with leaves of the seagrass Halophila stipulacea. Five leaf samples were collected from the Al-Leith mangroves along the Red Sea coast of Saudi Arabia. Total DNA was extracted from 250 mg of each sample, and the first 300 bp (contains D1-D2 variable regions) of the...
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Highly selective and sensitive 2,7-naphthyridine based colorimetric and fluorescence “Turn Off” chemosensors (L1-L4) for detection of Ni2+ in aqueous media are reported. The receptors (L1-L4) showed a distinct color change from yellow to red by addition of Ni2+ with spectral changes in bands at 535–550 nm. The changes are reversible and pH independ...
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A selective and sensitive detection of L-cysteine (Cys) is an important tool for various biological studies. Here, Au nanoparticles (NPs) were prepared by chemical reduction technique. The probe was developed to detect and quantify Cys in the presence of Cr3+ ions which acts as a cross linker. The citrate capped Au NPs probe was analyzed by UV-visi...
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Highly functionalized spirocyclic ketals were synthesized through asymmetric oxidative spirocyclization via carbanion-induced ring transformation of 2H-pyran-2-ones with 1,4-cyclohexandione monoethyleneketal under alkaline conditions. Further acidic-hydrolysis of obtained spirocyclic ketals yields highly substituted 2-tetralone in good yield. Compu...
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The binary heterojunction of MgFe2O4-Co3O4 nano-photocatalyst was constructed by sonochemical method. HRTEM represented the attachment of MgFe2O4 and Co3O4. UV–vis DRS reveals the bandgap shift (MgFe2O4 = 1.75 eV; Co3O4 = 2.35 eV) to 2.09 eV for MgFe2O4-Co3O4 that promoted white light harvesting. XPS and EDAX were performed to confirm the presence...
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Ophioceras is accommodated in the monotypic family Ophioceraceae (Magnaporthales, Sordariomycetes), and the genus is delimited based on molecular data. During an ongoing survey of bambusicolous fungi in southwest China, we collected a submerged decaying branch of bamboo from Sichuan Province, China and an Ophioceras species occurring on this substr...
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The Indian poultry industry is one of the fast-growing sectors of which duck farming plays an important role. Duck population in India is 33.51 million that is concentrated towards north-east and southern parts of the country who rears mainly for eggs and meat. Duck diseases are of great concern as they badly affect the financial status of the smal...
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CdO/ZnFe2O4 nanohybrid heterostructure was prepared by ultra-sonication assisted chemical precipitation technique in order to impose better separation of charge carriers, high photocatalytic and bactericidal activity. The formed CdO/ZnFe2O4 nanocomposites (NCs) was characterized by UV-Vis-DRS, XPS, SEM, EIS, EDAX, VSM, SAED, HRTEM, FTIR, XRD, photo...
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Globally, the environmental pollution is one of the major issues causing toxicity towards human and aquatic life. We have developed a facile and innovative sensing approach for detection of sulphide ions (S²⁻) present in the aqueous media using Ag⁰ decorated Cr2S3 NPs embedded on PVP matrix (Ag/Cr2S3-PVP). Based on the SPR phenomena, the detection...
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The novel heterostructured CuS/Ag2MoO4 nanocomposite (NCs) was prepared via sono-chemical precipitation method and characterized by UV-vis diffuse reflectance spectroscopy, XPS, SEM, HRTEM, FT-IR, PL, Raman, EIS, ESR, N2 adsorption and desorption, EDAX and ESR. The photodegradation performance of the prepared particle was evaluated by investigating...
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Synthesis of αAg2S (silver sulfide) is a highly challenging task, usually attempted using synthetic, hazardous chemical processes. This report puts efforts to exploring microbial-based eco-friendly alternatives. A facile, one-pot biological method for the synthesis of α-Ag2S composite nanoparticles (NPs) in an aqueous medium at ambient conditions w...
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In the present work, CoWO4/Ag2WO4 nanocomposite (CWO/AWO NCs) was fabricated via sono-chemical method for the evaluation of photocatalytic and antimicrobial activity. The optical property, morphology and phase structures of CWO/AWO NCs were investigated by high-resolution transmission electron microscope (HR-TEM), X-ray diffraction (XRD), fourier t...
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In this study, the novel MnS/Ag2WO4 photocatalyst was synthesized via chemical co-precipitation method and investigated its physical and structural characteristics using HR-TEM, N2 adsorption and desorption studies, FT-IR, EDAX, PL, UV-vis DRS, ESR, XPS and XRD. The estimation of photocatalytic activity of synthesized photocatalysts was done using...
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Here, CoFe2O4 was loaded on Bi2O3 via sonochemical technique to enhance the photocatalytic performance of Bi2O3. The coexistence and crystallinity of CoFe2O4 and Bi2O3 verified using X-ray powder diffraction (XRD). High resolution transmission electron microscopy (HRTEM) depicts attachment of CoFe2O4 nanospheres on sheet-like Bi2O3. Chemical states...
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The edible parts of the plants Camellia sinensis, Vitis vinifera and Withania somnifera were extensively used in ancient practices such as Ayurveda, owing to their potent biomedical significance. They are very rich in secondary metabolites such as polyphenols, which are very good anti-oxidants and exhibit anti-carcinogenic properties. This study ai...
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Objectives: The study reveals a picture for M. gallisepticum (MG) and M. synoviae (MS) in poultry industry of Egypt. Methods: A total of 628 samples were collected from different species of diseased and apparently healthy poultry species from 15 Egyptian governorates. The isolates identified based on mgc2 and 16 s rRNA specific primers for MG and M...
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Vamsapriya yunnana sp. nov., collected from dead bamboo in Yunnan Province of China, is described and illustrated in this paper. The new taxon is characterized by synnematous conidiophores, with enteroblastic, monotretic conidiogenous cells and brown to dark brown, 4–9-septate, fusiform conidia with a long, apical, appendage-like region. The specie...
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This study is to evaluate the potential of endophytic fungi of Salvadora persica for the production of bioactive compounds against pathogenic bacteria and fungi. Forty-two fungal isolates were obtained from 135 young and old stem and 125 root segments. Those 42 isolates representing ten fungi include: Trichoderma sp. (the most common), two species...
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Oxydothis species are associated with monocotyledons including Arecaceae (palms), Pandanaceae, Poaceae (Bamboo) and Liliaceae and have been recorded as endophytes, pathogens and saprobes. Species of Oxydothis form singly or in clusters, as darkened, raised regions or dots on the surface of host. This paper clarifies the placement of Oxydothis and r...
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We are studying the fungi on seeds and fruits and identified two Pseudohalonectria species from cupules of beech nut (Fagus sylvatica), collected from slightly anoxic, stagnant water in the moat in Bishops Palace, Hampshire, UK. Phyloge-netic analysis of combined LSU, SSU and TEF1 sequence data provides evidence that they are new species in the gen...
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We are studying the lignicolous freshwater fungi along a north–south latitudinal gradient in Asia. In this paper, fresh collections of Sporoschisma from submerged wood in Yunnan Province, China, are characterized by morphology and ITS and nuclear large subunit 28S rDNA sequences. The phylogenetic analysis of combined ITS and LSU sequence data place...
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A new ascomycetous species, Neokalmusia didymospora, inhabiting dead bamboo, is introduced based on morpho-molecular studies. Neokalmusia didymospora is characterized by orange to brown clypeus, immersed, subglobose ascomata, bitunicate, cylindrical asci and 1-septate, brown ascospores. Maximum-likelihood and Bayesian analyses of combined SSU, ITS...
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Three species of Helvella were collected from Jiuzhaigou Natural Reserve, southwestern China. Helvella maculatoides sp. nov. is described and illustrated from specimens collected on moss. Helvella subglabra and H. ulvinenii are recorded for the first time from China. Our new collections were confirmed to be divergent from other species of Helvella...
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This is a continuity of a series of taxonomic papers where materials are examined, described and novel combinations are proposed where necessary to improve our traditional species concepts and provide updates on their classification. In addition to extensive morphological descriptions and appropriate asexual and sexual connections, DNA sequence dat...
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Two new Helicascus species H. chiangraiensis and H. uniseptatus from submerged wood in aquatic habitats in northern Thailand are introduced in this paper based on morphology and molecular analysis of DNA sequence data. Descriptions and illustrations of H. chiangraiensis and H. uniseptatus are provided. Helicascus chiangraiensis is characterized by...
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Tamarix species are small trees that grow in various natural habitats and have a wide geographic distribution. Microfungal species previously found on Tamarix and recently collected in Italy and Russia were identified based on morphological characters and analyses of gene sequence data. The sexual morph of the coelomycetous genus Homortomyces was c...
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A new species of Micropsalliota, M. brunneosquamata is described and illustrated from northern Thailand based on both morphological and molecular data. The new species is characterized by brownish, erect scales at the centre of the pileus, a stipe covered by concolourous fibrils, and microscopically, by the shape of cheilocystidia which sometimes s...
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Lentithecium cangshanense sp. nov. (Lentitheciaceae, Dothideomycetes), was found on submerged decaying wood in a freshwater stream in Yunnan Province, China. The species is characterized by its black, semi-immersed to superficial, globose ascomata, cylindrical or obclavate, short pedicellate, bitunicate asci and bi-seriate, fusiform, 1-septate, yel...
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Collections of microfungi on Pandanus species (Pandanaceae) in Krabi, Thailand resulted in the discovery of a new species in the genus Parasarcopodium, producing both its sexual and asexual morphs. In this paper, we introduce P. pandanicola sp. nov., with an illustrated account. Evidence for the new species is provided by distinct morphology and ph...
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Muyocopron species are associated with a wide variety of plant substrates worldwide and presently 57 species epithets are listed in Index Fungorum. Species in this genus form distinctive black, dull, rounded regions on the surface of plants and the genus is probably polyphyletic. The present study clarifies the phylogenetic placement of Muyocopron...
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The family Anteagloniaceae comprises the genera, Anteaglonium and Flammeascoma. The family shares similar characters with taxa in the Hysteriales, but groups in the Pleosporales. No asexual morph is known in this family. In the present study we introduce a new species Anteaglonium thailandicum, re-examine A. parvulum and document its asexual morph....
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Sordariomycetes is one of the largest classes of Ascomycota that comprises a highly diverse range of fungi characterized mainly by perithecial ascomata and inoperculate unitunicate asci. The class includes many important plant pathogens, as well as endophytes, saprobes, epiphytes, coprophilous and fungicolous, lichenized or lichenicolous taxa. They...
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A coelomycete with characters resembling the asexual morphs in the family Botryosphaeriaceae was isolated from a fallen leaf of an orchid collected in Thailand. Morphological and phylogenetic analyses placed the strain in Neoscytalidium. Phylogenetic relationships among Neoscytalidium species were inferred by analyzing internal transcribed spacers...
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Phaeodimeriella is an epiphytic or pathogenic genus that occurs on plant surfaces associated with other fungi and belongs in the family Pseudoperisporiaceae (Dothideomycetes family, incertae sedis). The taxonomy of Phaeodimeriella has been problematic because of lack of molecular data and as some of the important morphological characters having not...
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Notes on 113 fungal taxa are compiled in this paper, including 11 new genera, 89 new species, one new subspecies, three new combinations and seven reference specimens. A wide geographic and taxonomic range of fungal taxa are detailed. In the Ascomycota the new genera Angustospora (Testudinaceae), Camporesia (Xylariaceae), Clematidis, Crassiparies (...
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To date there is virtually no information available concerning the fungi associated with Tectona grandis (teak) (Lamiaceae) in Thailand. In this study, samples of microfungi were collected from both asymptomatic stems and dead wood, and symptomatic branches, stem and leaves of T. grandis from 27 sites in six provinces (Chiang Mai, Chiang Rai, Phaya...
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During an ongoing study of marine fungi in Saudi Arabia, two undescribed Kallichroma species were recorded from decayed intertidal wood of Avicennia marina from two mangrove stands along the Red Sea coast and the Arabian Gulf coast in Saudi Arabia. Kallichroma asperum sp. nov. is characterized by rough ascospores cell walls surrounded by a granular...
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Coelomycetous fungi are an artificial taxonomic group which produce conidia inside a cavity i.e. conidiomata. Coelomycetes comprise about, 1000 genera and 7000 species, which can be endophytic, pathogenic or saprobic. Traditional classification of coelomycetes was previously based on morphology, such as the shape of conidiomata and mode of conidiog...
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The type specimens of Frondisphaeria, Immersisphaeria and Pulmosphaeria were re-examined in order to determine their familial placements according to modern taxonomic concepts. Type specimens of Lasiobertia and Yuea were redrawn from the original descriptions. Based on morphological evidences, Frondisphaeria palmicola is placed in Diatrypaceae. Imm...
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The sexual morph of Seimatosporium cornii, collected from dead stems of Cornus sanguinea in Arezzo, Italy, is reported in this paper. It was linked to S. cornii based on analysis of combined LSU and ITS sequence data. The sexual morph is characterized by minutely stromatic ascomata, cylindrical to clavate asci, with a J+, apical apparatus and 1–3-s...
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A new Seimatosporium species was collected from Quercus robur, in Germany. Morphological and phylogenetic analyses (maximum-parsimony and Bayesian analyses) of combined LSU and ITS datasets confirmed that our collection is distinct from other known species. It is introduced here as a new species, Seimatosporium quercina. The new species is compared...
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The generic types of four genera with unclear placement in Dothideomycetes were re-examined. These genera were hitherto poorly illustrated or described. The type specimens of Cocconia (C. palmae), Dianesea (D. palmae), Endococcus (E. rugulosus) and Lineostroma (L. banksiae), were re-examined in order to determine their familial and higher level pla...
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Chaetothyrina musarum and C. mangiferae sp. nov. (Micropeltidaceae, Dothideomycetes) are reported from fruits of Musa sp. (Musa acuminata × Musa balbisiana) and Mangifera indica, respectively. Introduction of a new species, Chaetothyrina mangiferae, and provision of a reference specimen for C. musarum with sequence data, supported by morphology wil...
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During a north–south latitudinal survey of aquatic fungi on submerged wood and herbaceous material in streams in the Asian region, we collected several hyphomycetous taxa. This paper is part of a series where we provide illustrated accounts of these taxa and place them in a natural classification in the fungi. DNA sequence based phylogenies in rece...
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Nodulosphaeria is a ubiquitous genus that comprises saprobic, endophytic and pathogenic species associated with a wide variety of substrates and has 64 species epithets listed in Index Fungorum. The classification of species in the genus has been a major challenge due to a lack of understanding of the importance of characters used to distinguish ta...