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Egyptian Journal of Botany
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Volume Volume 60 (2020)
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Abdelrazik, E., El-hamahmy, M., Abo-Elsoud, I., Ali, E., Aboseidah, A. (2020). Ornithine Induced the Hyoscyamine Production more than Arginine Precursor in Hyoscyamus muticus L. In vitro . Egyptian Journal of Botany, 60(1), 41-54. doi: 10.21608/ejbo.2019.9691.1293
Eman Abdelrazik; Mohamed A.M. El-hamahmy; Islam Abo-Elsoud; Elham M. Ali; Akram A. Aboseidah. "Ornithine Induced the Hyoscyamine Production more than Arginine Precursor in Hyoscyamus muticus L. In vitro ". Egyptian Journal of Botany, 60, 1, 2020, 41-54. doi: 10.21608/ejbo.2019.9691.1293
Abdelrazik, E., El-hamahmy, M., Abo-Elsoud, I., Ali, E., Aboseidah, A. (2020). 'Ornithine Induced the Hyoscyamine Production more than Arginine Precursor in Hyoscyamus muticus L. In vitro ', Egyptian Journal of Botany, 60(1), pp. 41-54. doi: 10.21608/ejbo.2019.9691.1293
Abdelrazik, E., El-hamahmy, M., Abo-Elsoud, I., Ali, E., Aboseidah, A. Ornithine Induced the Hyoscyamine Production more than Arginine Precursor in Hyoscyamus muticus L. In vitro . Egyptian Journal of Botany, 2020; 60(1): 41-54. doi: 10.21608/ejbo.2019.9691.1293

Ornithine Induced the Hyoscyamine Production more than Arginine Precursor in Hyoscyamus muticus L. In vitro

Article 5, Volume 60, Issue 1, Spring 2020, Page 41-54  XML PDF (5.34 MB)
Document Type: Original Article
DOI: 10.21608/ejbo.2019.9691.1293
Authors
Eman Abdelrazik email 1; Mohamed A.M. El-hamahmy2; Islam Abo-Elsoud3; Elham M. Ali4; Akram A. Aboseidah5
1Department of Botany and Microbiology, Faculty of Science, Suez University, Suez, Egypt
2Department of Agricultural Botany, Faculty of Agriculture, Suez Canal University, Ismailia, 41522, Egypt
3Department of Horticulture, Faculty of Agriculture, Suez Canal University, Ismailia, 41522, Egypt
4Department of Environmental Sciences, Suez University, Suez, Egypt
51Department of Botany and Microbiology, Faculty of Science, Suez University, Suez, Egypt
Abstract
IMPACT of different concentrations (0.25, 0.5 and 1mmol) of both alkaloids precursors,arginine (Arg) and ornithine (Orn) on production of hyoscyamine and its physiological attributes in 30 days old-callus of Egyptian henbane (Hyoscyamus muticus L.) was studied. Data of HPTLC revealed that in vivo wild leaves had high concentration of hyoscyamine but callus treated with 0.25mmol of Orn had more 3.2 and 1.4 time of total alkaloids and hyoscyamine than control, respectively. The same level of Orn induced the highest concentration of glutathione and reduced the H2O2 to the lowest rate. Although callus treated with 0.25mmol of Orn had only 6 visualized protein bands separated with SDS-PAGE, protein bands with low molecular weight 38, 33, 21, 15 and 9kDa were highly expressed. Callus cells exposed to low level of Orn had irregular amoeboid shape and lysiogenous intercellular spaces compared to regular ovate and schizogenous intercellular spaces in control. However, fresh and dry weight were increased under all levels of both precursors compared to control but water content % was maintained. Photosynthetic pigments and total carbohydrates were increased with increment of both Orn or Arg levels then decreased under high levels of each. Application of Orn at any levels decreased the content of free amino acids in contrary to Arg. Arg with high level induced the highest concentration of free phenolics and the activity of peroxidase. It was concluded that, addition of Orn with low concentration (0.25mmol) was efficient for hyoscyamine enhancement from Egyptian henbane callus than Arg.
Keywords
Alkaloids precursors; Biochemical compounds; Callus; Egyptian henbane; HPTLC; SDS-PAGE
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