Waqar Ahmad

ORCID: 0000-0001-7573-5480
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About
Contact & Profiles
Research Areas
  • Plant-Microbe Interactions and Immunity
  • Genomics and Phylogenetic Studies
  • Nanoparticles: synthesis and applications
  • Plant tissue culture and regeneration
  • Natural product bioactivities and synthesis
  • Gut microbiota and health
  • Ziziphus Jujuba Studies and Applications
  • Fungal Biology and Applications
  • Genetic diversity and population structure
  • Plant Pathogens and Fungal Diseases
  • Mycorrhizal Fungi and Plant Interactions
  • Microbial Community Ecology and Physiology
  • Plant Stress Responses and Tolerance
  • Education and Islamic Studies
  • Politics and Conflicts in Afghanistan, Pakistan, and Middle East
  • Wheat and Barley Genetics and Pathology
  • Plant biochemistry and biosynthesis
  • Plant-derived Lignans Synthesis and Bioactivity
  • SARS-CoV-2 and COVID-19 Research
  • Phytochemistry and Biological Activities
  • Plant responses to water stress
  • Plant Gene Expression Analysis
  • Agronomic Practices and Intercropping Systems
  • Methane Hydrates and Related Phenomena
  • Essential Oils and Antimicrobial Activity

Southwest Medical University
2020-2024

University of Houston
2022-2024

Lady Reading Hospital
2024

Abdul Wali Khan University Mardan
2019-2024

Khyber Medical College
2024

Quaid-i-Azam University
1988-2023

University of Nizwa
2021-2023

Fujian Agriculture and Forestry University
2017-2021

Qurtuba University of Science and Information Technology
2021

Ocean University of China
2019-2020

Nanotechnology is a new star in the science horizon with many valuable applications and promises to offer. It includes synthesis utilization of nanostructure materials ranging from 1 100 nm. Mostly these are generally (or “could be”) produced via laborious hazard-prone physical chemical methods but green approaches easier, safe scalable have been recently developed. Among other metal oxides nanoparticles, Titanium oxide (TiO2) nanoparticles mostly exploited for their photocatalytic,...

10.1080/17518253.2018.1538430 article EN cc-by-nc Green Chemistry Letters and Reviews 2018-10-02

Continuing reports of new SARS-CoV-2 variants have caused worldwide concern and created a challenging situation for clinicians. The recently reported variant B.1.618, which possesses the E484K mutation specific to receptor-binding domain (RBD), as well two deletions Tyr145 His146 at N-terminal binding (NTD) spike protein, must be studied in depth devise therapeutic options. Structural RBD NTD may play essential roles increased pathogenicity this variant. We explored differences...

10.1039/d1ra04694b article EN cc-by-nc RSC Advances 2021-01-01

With climate change, frequent exposure of bioenergy and food crops, specifically soybean (

10.3389/fpls.2023.1280251 article EN cc-by Frontiers in Plant Science 2024-01-10

The purpose of the current study was green synthesis ZnO-nanoparticles (NPs) from different tissues Silybum marianum (L.) Gaernt. (i.e., seeds, wild plant, in vitro derived plantlets and callus cultures) followed by extensive characterization evaluation their biological potency. ZnO-NPs thus synthesized were subjected to using standard techniques such as XRD, FTIR SEM. Thermal stability NPs also evaluated thermo-gravimetric analysis. Highly stable crystalline with size ranging between 30.8...

10.3390/nano9081171 article EN cc-by Nanomaterials 2019-08-16

Salinity stress is one of the major abiotic factors limiting crop yield in arid and semi-arid regions. Plant growth-promoting fungi can help plants thrive stressful conditions. In this study, we isolated characterized 26 halophilic (endophytic, rhizospheric, soil) from coastal region Muscat, Oman, for plant activities. About 16 out were found to produce IAA, about 11 isolates (MGRF1, MGRF2, GREF1, GREF2, TQRF4, TQRF5, TQRF6, TQRF7, TQRF8, TQRF2) strains significantly improve seed germination...

10.3390/ijms24054904 article EN International Journal of Molecular Sciences 2023-03-03

The gut microbiota plays an important role in the disease progression of inflammatory bowel disease. Although probiotics are effective against IBD, not many studies have investigated their effects on composition and immunomodulation mouse colitis models. Our study aimed at therapeutic Lacticaseibacillus paracasei BNCC345679 for first time explored its impact microbiome dysbiosis, cytokines, related miRNAs, VCAM-1, oxidative stress, intestinal integrity, mucus barrier. We found that oral...

10.3389/fmicb.2024.1343891 article EN cc-by Frontiers in Microbiology 2024-03-27

The objective of the current study was to evaluate potential Punica granatum L peel in mice as an antidiarrheal and antidiabetic agent. In study, different doses (50, 100, 150, 200 mg/kg) methanolic pomegranate extract (PPE) were administrated castor oil-induced (1 mL/kg) diarrheal mice. Mice administered loperamide hydrochloride (3 treated a baseline group. During experiment, electrolyte hematological levels analyzed, at end, histopathology intestine performed. For activity, PPE metformin...

10.15586/ijfs.v36i1.2459 article EN cc-by-nc-nd Italian Journal of Food Science 2024-01-01

The L-ascorbate peroxidase 6 gene (APX6) is one of the most important genes for scavenging H2O2 and plays a vital role in plant resistance to environmental stresses. In this study, novel ScAPX6 (GenBank Accession No. KT907352) was obtained from sugarcane variety (ROC22). Bioinformatics analysis showed that has cDNA length 1,086 bp encoded 333 amino acid residues. Subcellular localization confirmed located chloroplast. Enhanced growth Escherichia coli BL21 cells expressed high tolerance under...

10.3389/fpls.2017.02262 article EN cc-by Frontiers in Plant Science 2018-01-17

Chemical method synthesis nanoparticles have adverse environmental and health implications because they are toxic. Consequently, intensified efforts been put into developing green methods for nanomaterials using plant extract the of nanoparticles. This approach can be seen as a cheaper more environmentally friendly than traditional nanoparticle methods. Among number plant-derived materials available, propolis by-product honey, has found to potential its use reducing agent in Propolis...

10.70749/ijbr.v3i1.477 article EN Indus journal of bioscience research. 2025-01-16

Stress is a physiological consequence of the body to adversity. The gut–brain axis and probiotics are gaining interest provide better treatment for stress other neurological disorders. Probiotic ( Lactobacillus fermentum NMCC-14 Bacillus clausii , 10 colony-forming unit/day/animal, per oral) effects were investigated in acute (up day 7) subacute (days 8–14) restraint-stressed normal mice through behavioral paradigms (elevated plus maze: EPM, light dark box/dark box: LDB, open field test:...

10.3389/fphar.2022.915595 article EN cc-by Frontiers in Pharmacology 2022-07-19

The Earth's oceans are a huge body of water with physicochemical properties and microbial community profiles that change depth, which in turn influences their biogeochemical cycling potential. differences between communities functional potential surface to hadopelagic samples only beginning be explored. Here, we used metagenomics investigate the drive seven different layers down vertical profile Challenger Deep (0-10,500 m) Mariana Trench, deepest natural point oceans. We recovered 726...

10.3390/microorganisms8091309 article EN cc-by Microorganisms 2020-08-27

Salinity stress, a significant global abiotic is caused by various factors such as irrigation with saline water, fertilizer overuse, and drought conditions, resulting in reduced agricultural production sustainability. In this study, we investigated the use of halotolerant bacteria from coastal regions characterized high salinity solution to address major environmental challenge stress. To identify effective microbial strains, isolated 81 halophilic sources, plants, rhizosphere, algae,...

10.3389/fpls.2023.1224731 article EN cc-by Frontiers in Plant Science 2023-09-22

Fagonia indica is a rich source of pharmacologically active compounds. The variation in the metabolites interest one major issues wild plants due to different environmental factors. addition chemical elicitors effective strategies trigger biosynthetic pathways for release higher quantity bioactive Therefore, this study was designed investigate effects elicitors, aluminum chloride (AlCl3) and cadmium (CdCl2), on biosynthesis secondary metabolites, biomass, antioxidant system callus cultures...

10.3390/molecules26216340 article EN cc-by Molecules 2021-10-20
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