Fouad, A., A. E. HEGAZY, E. Azab, E. Khojah, and T. Kapiel, "Boosting of Antioxidants and Alkaloids in Catharanthus roseus Suspension Cultures Using Silver Nanoparticles with Expression of CrMPK3 and STR Genes", Plants, vol. 10, no. 10, 2021. AbstractWebsite

Global agricultural systems are under unprecedented pressures due to climate change. Advanced nano-engineering can help increase crop yields while ensuring sustainability. Nanotechnology improves agricultural productivity by boosting input efficiency and reducing waste. Alkaloids as one of the numerous secondary metabolites that serve variety of cellular functions essential for physiological processes. This study tests the competence of silver nanoparticles (AgNPs) in boosting alkaloids accumulation in Catharanthus roseus suspension cultures in relation to the expression of C. roseus Mitogen Activated Protein Kinase 3 (CrMPK3) and Strictosidine Synthase (STR) genes. Five concentrations (5, 10, 15, 20 and 25 mg·L−1) of AgNPs were utilized in addition to deionized water as control. Results reflected binary positive correlations among AgNPs concentration, oxidative stress indicated with increase in hydrogen peroxide and malondialdehyde contents, activities of ascorbate peroxidase and superoxide dismutase, expression of the regulatory gene CrMPK3 and the alkaloid biosynthetic gene STR as well as alkaloids accumulation. These correlations add to the growing evidence that AgNPs can trigger the accumulation of alkaloids in plant cells through a signaling pathway that involves hydrogen peroxide and MAPKs, leading to up-regulation of the biosynthetic genes, including STR gene.

Emam, M. A., A. M. Abd EL-Mageed, G. Niedbała, S. A. Sabrey, A. S. Fouad, T. Kapiel, M. Piekutowska, and S. A. Mahmoud, "Genetic Characterization and Agronomic Evaluation of Drought Tolerance in Ten Egyptian Wheat (Triticum aestivum L.) Cultivars", Agronomy, vol. 12, no. 5, 2022. AbstractWebsite

This investigation was carried out for genetic characterization and determination of drought tolerance of ten Egyptian cultivars of wheat (Triticum aestivum L.), namely Misr 1, Misr 2, Gemmiza 9, Gemmiza 10, Gemmiza 11, Gemmiza 12, Shandawel 1, Giza 168, Giza 171, and Sids 14. These cultivars were grown in two winter seasons: 2018/2019 and 2019/2020 at the experimental farm Fac. of Agric., Suez Canal Univ., Ismailia, Egypt, under two watering regimes: normal (100%) and stress (50% FC) conditions. Six agronomic traits and five tolerance indices, namely stress tolerance (TOL), mean productivity (MP), geometric mean productivity (GMP), yield stability index (YSI), and drought susceptibility index (DSI), were used to evaluate the impact of drought stress. The results reflected Giza 171, Misr 2, and Giza 168 as precious germplasm for breeding of high-yielding drought-tolerant wheat. A highly significant positive correlation was recorded between yield under normal and stress conditions on the one hand and each of MP and GMP on the other hand. In addition, YSI appeared engaged in a highly significant positive correlation with yield under drought conditions only. TOL and DSI appeared insignificantly correlated with yield. Therefore, MP and GMP were reflected as the first runners among indices suitable to distinguish the high-yielding cultivars under drought conditions. At the molecular level, five primers of Start Codon Targeted (SCoT) markers were able to resolve and characterize the studied cultivars, which reflected SCoT as a potent gene-targeting molecular marker, able to characterize and resolve genetic diversity in wheat at the cultivar level using few primers. Therefore, SCoT is a time-efficient molecular marker, and it can efficiently replace indices in characterization of drought-tolerant genotypes with a high confidence level and reasonable cost.

Ead, H., and T. Kabiel, Mohamed Abdel Fattah Al-Kassas: The Founding Father of Egypt’s Ecology, , vol. 61, issue 3, pp. 673 - 680, 2021. AbstractWebsite

“PROF. KASSAS is the very embodiment of all that is good in a human being. His life is his message. He has stood for achieving harmony between humankind and nature as well as peace and harmony among nations.” M. S. Swaminathan*Professor Mohamed Abdel Fattah Al-Kassas (July 6, 1921 - March 21, 2012) was one of the most extraordinary scientific luminaries in Egypt, he is among the pioneers who have warned the world against the hazards of desertification and has played an important role in designing and implementing a number of UNESCO programs such as Man and the Biosphere.He was professor emeritus for the Botany University of Cairo, Egyptian botanist and conservationist, a specialist in the ecology of desert plants, his environmental and botanical work over many decades cut a broad and fertile swath in areas of desert ecology and environmental changes over time, especially in relation to desertification – a process he is held to have brought to both public and scientific attention and was among the first to publish on the topic of desertification. He studied at the University of Cairo, where he received a B.Sc. in 1944 and an M.Sc. in 1947, and at the University of Cambridge (Ph.D. in 1950). He was a member of the Egyptian Academy of Science and the Institute of Egypt. Prof. Kassas was an advisory member of the United Nations Environment Programme from its beginning, He was also the notable President (1978-1984) of the International Union for Conservation of Nature (IUCN), a fellow of the Indian National Academy of Science, the World Academy of Art and Science, and an honorary member of the Club of Rome.

My contributions were the most read contributions from My Institution (Cairo University)

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كتاب: نباتات المستقبل.. رؤية للألفية الثالثة

كتاب: نباتات المستقبل.. رؤية للألفية الثالثة
تأليف: د. طارق قابيل
صدر ومتوفر حاليًّا بالمنفذ الدائم للهيئة العامة لقصور الثقافة
سلسلة: دنيا العلم
غلاف الإصدار النهائي

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