Effects of gamma irradiation and salt stress on amino acids and protein fractions of two egyptian bread wheat (Triticum aestivum L.) cultivars

Authors

  • Amina A Aly Natural Products Department, National Centre for Radiation Research and Technology, Atomic Energy Authority P.O. 29, Nasr City, Cairo, Egypt
  • Rabab W Maraei Natural Products Department, National Centre for Radiation Research and Technology, Atomic Energy Authority P.O. 29, Nasr City, Cairo, Egypt
  • Mokhtar Baraket National Research Institute of Rural Engineering, Water and Forests (INRGREF). Rue Hédi EL Karray El Menzah IV, 1004 Tunis,BP 10 Ariana. 2080 Tunisie

DOI:

https://doi.org/10.3329/bjb.v48i4.49073

Keywords:

Amino acids, Gamma irradiation, Protein fraction, Salt stress

Abstract

Effects of gamma rays (0.0, 100, 200 and 300 Gy) and NaCl (0.0, 60 and 120 mM) on the amino acids composition, protein fractions and electrophoretic protein patterns of two Egyptian wheat cultivars (Sids-1 and Sakha-93) were investigated. The results showed that content of amino acids increased by salinity and irradiation doses compared to the control. Concerning, protein fractions of albumin + globulin percentage increased by increasing salinity only and reached the maximum increase by treatment of 120 mM NaCl in the two cultivars. But for glutenin, the highest increase was observed in treatment 100 Gy + 60 mM NaCl. The changes in protein patterns profile were found to be dependent on irradiation dose and salinity level in wheat grains. Total number of protein bands decreased from 20 bands (untreated plants) to 13 bands (irradiated plants) due to treatment of 200 Gy and 60 mM NaCl in Sids-1 cultivar.

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Published

2019-12-31

How to Cite

Aly, A. A., Maraei, R. W., & Baraket, M. (2019). Effects of gamma irradiation and salt stress on amino acids and protein fractions of two egyptian bread wheat (Triticum aestivum L.) cultivars. Bangladesh Journal of Botany, 48(4), 1175–1184. https://doi.org/10.3329/bjb.v48i4.49073

Issue

Vol. 48 No. 4 (2019)

Section

Articles

License

© Bangladesh Botanical Society

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