Useful links/Publications


  • A Long Shot? Could neurodegenerative disease be caused by a cyanobacterial toxin?

Toxins in Desert Environments

  • Variation in the coverage of biological soil crusts in the State of Qatar
  • Conservation in Qatar-Impacts of Industrialization
  • Cyanotoxins in desert environments may present a risk to human health
  • Epifluorescent direct counts of bacteria and viruses from topsoil of various desert dust storm regions


      • Lead (Pb2+) neurotoxicity: Ion-mimicry with calcium (Ca2+) impairs synaptic transmission. A review with animated illustrations of the pre- and post-synaptic effects of lead
      • Metal toxicity at the synapse: presynaptic, postsynaptic, and long-term effects
      • Special issue of the Journal of Toxicology: “Metals and Disease”


      • The Non-Protein Amino Acid BMAA Is Misincorporated into Human Proteins in Place of L-Serine Causing Protein Misfolding and Aggregation
      • A mechanism for slow release of biomagnified cyanobacterial neurotoxins and neurodegenerative disease in Guam
      • The presence of persistent coliform and E. coli contamination sequestered within the leaves of the popular fresh salad vegetable “Jarjeer / Rocket” (Eruca sativa L.).
      • Extraction of cyanostatins and their analysis, with microcystins and anabaenopeptin A, in a 21-year archive of cyanobacterial bloom samples

Animal Toxins

      • Venom proteomic and venomous glands transcriptomic analysis of the Egyptian scorpion Scorpio maurus palmatus (Arachnida: Scorpionidae)
      • Snake venomics: From the inventory of toxins to biology
      • Integrated “omics” profiling indicates that miRNAs are modulators of the ontogenetic venom composition shift in the Central American rattlesnake, Crotalus simus simus
      • New approaches & technologies of venomics to meet the challenge of human envenoming by snakebites in India

Health Affects

      • Cyanobacteria and BMAA exposure from desert dust: A possible link to sporadic ALS among Gulf War veterans
      • Cyanotoxins in desert environments may present a risk to human health
      • Cyanobacterial neurotoxin BMAA in ALS and Alzheimers disease
    • Is exposure to cyanobacteria an environmental risk factor for amyotrophic lateral sclerosis and other neurodegenerative diseases?
    • Effects of the cyanobacterial neurotoxin-N-methylamino-L-alanine on the early-life stage development of zebrafish (Danio rerio)
    • A method for acetonitrile-free microcystin analysis and purification by high-performance liquid chromatography, using methanol as mobile phase
    • Proteins containing oxidized amino acids induce apoptosis in human monocytes
    • Misincorporation of amino acid analogues into proteins by biosynthesis
    • Cutaneous leishmaniasis in Yemen: clinicoepidemiologic features and a preliminary report on species identification
    • Visceral Leishmaniasis in children in Yemen
    • Prevalence of hepatitis B and hepatitis C in blood donors and high risk groups in Hajjah, Yemen Republic
    • Brain glutathione as a target for aetiological factors in neurolathyrism and konzo
    • Three phases of research on B-N-methylamino-L-alanine (BMAA) – a neurotoxic acid
    • B-N-Methylaminoalanine (BMAA): Metabolism and metabolic effects in model systems and in neural and other tissues of the rat in vitro
    • Atmospheric Movement of Microorganisms in Clouds of Desert Dust and Implications for Human Health
    • Free Tropospheric Transport of Microorganisms from Asia to North America