E-ISSN 2090-0503 | ISSN 1687-7497
 

Original Research 


Drought and Salinity Alter Adaptive Molecular Response in Two Genetically unlike Egyptian Rice Cultivars

Mohamed Yousof Hazman, Mariam Mahmoud Sameh , Menna Mahmoud Abd Elzaher , Nada Ashraf Mohamed, Nada Essam El din Diab, Nardeen Ashraf Mikhael, Nora Ashraf Hussin, Nourhan Ahmed Helmy, Shrouk Abd El hamid Mohamed.

Abstract
Egypt, the largest rice producer in the near east and North Africa, reached the point where the insufficient irrigation water (drought) and its low quality (saline) imposed serious limitations on rice production. Understanding molecular adaptive mechanisms through studying the expression profile of wide range of different stress-marker genes can consolidate breeding programs aimed to develop certain rice varieties capable of fitting in challenging agro-ecosystems. Rice is notoriously sensitive to drought and salinity but there is variation within examined rice varieties represented in two genetically unlike Egyptian rice commercial cultivars: Sakha 106 (Japonica) and Giza 179 (Indica/Japonica). The two Egyptian rice genotypes were submitted to osmotically equivalent doses of drought (mimicked by mannitol) and/or salinity (triggered by NaCl). The observed significant alternations in the transcriptional response among 14 stress-related genes displayed a genotype dependent and stress specific pattern. The expected knowledge might enhance the background about how rice plants differ in sensing and restoring its adaptive mechanisms in response to drought and salinity, two kind of stresses that frequently co-occur in the Egyptian agricultural environment.

KEYWORDS: Rice, drought, salinity, japonica, indica, stress-marker genes, quantitative PCR

Key words: Rice, drought, salinity, japonica, indica, stress-marker genes, quantitative PCR


 
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How to Cite this Article
Pubmed Style

Hazman MY, MMS, MMAE, Mohamed NA, Diab NEEd, Mikhael NA, Hussin NA, Helmy NA, Mohamed SAEh, . Drought and Salinity Alter Adaptive Molecular Response in Two Genetically unlike Egyptian Rice Cultivars. Egypt. J. Exp. Biol. (Bot.). 2019; 15(2): -. doi:10.5455/egyjebb.20190619110050


Web Style

Hazman MY, MMS, MMAE, Mohamed NA, Diab NEEd, Mikhael NA, Hussin NA, Helmy NA, Mohamed SAEh, . Drought and Salinity Alter Adaptive Molecular Response in Two Genetically unlike Egyptian Rice Cultivars. http://www.egyseb.net/?mno=53304 [Access: September 15, 2019]. doi:10.5455/egyjebb.20190619110050


AMA (American Medical Association) Style

Hazman MY, MMS, MMAE, Mohamed NA, Diab NEEd, Mikhael NA, Hussin NA, Helmy NA, Mohamed SAEh, . Drought and Salinity Alter Adaptive Molecular Response in Two Genetically unlike Egyptian Rice Cultivars. Egypt. J. Exp. Biol. (Bot.). 2019; 15(2): -. doi:10.5455/egyjebb.20190619110050



Vancouver/ICMJE Style

Hazman MY, MMS, MMAE, Mohamed NA, Diab NEEd, Mikhael NA, Hussin NA, Helmy NA, Mohamed SAEh, . Drought and Salinity Alter Adaptive Molecular Response in Two Genetically unlike Egyptian Rice Cultivars. Egypt. J. Exp. Biol. (Bot.). (2019), [cited September 15, 2019]; 15(2): -. doi:10.5455/egyjebb.20190619110050



Harvard Style

Hazman, M. Y., , M. M. S., , M. M. A. E. ., Mohamed, N. A., Diab, N. E. E. d., Mikhael, N. A., Hussin, N. A., Helmy, N. A., Mohamed, S. A. E. h. & (2019) Drought and Salinity Alter Adaptive Molecular Response in Two Genetically unlike Egyptian Rice Cultivars. Egypt. J. Exp. Biol. (Bot.), 15 (2), -. doi:10.5455/egyjebb.20190619110050



Turabian Style

Hazman, Mohamed Yousof, Mariam Mahmoud Sameh, Menna Mahmoud Abd Elzaher, Nada Ashraf Mohamed, Nada Essam El din Diab, Nardeen Ashraf Mikhael, Nora Ashraf Hussin, Nourhan Ahmed Helmy, Shrouk Abd El hamid Mohamed, and . 2019. Drought and Salinity Alter Adaptive Molecular Response in Two Genetically unlike Egyptian Rice Cultivars. THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany), 15 (2), -. doi:10.5455/egyjebb.20190619110050



Chicago Style

Hazman, Mohamed Yousof, Mariam Mahmoud Sameh, Menna Mahmoud Abd Elzaher, Nada Ashraf Mohamed, Nada Essam El din Diab, Nardeen Ashraf Mikhael, Nora Ashraf Hussin, Nourhan Ahmed Helmy, Shrouk Abd El hamid Mohamed, and . "Drought and Salinity Alter Adaptive Molecular Response in Two Genetically unlike Egyptian Rice Cultivars." THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany) 15 (2019), -. doi:10.5455/egyjebb.20190619110050



MLA (The Modern Language Association) Style

Hazman, Mohamed Yousof, Mariam Mahmoud Sameh, Menna Mahmoud Abd Elzaher, Nada Ashraf Mohamed, Nada Essam El din Diab, Nardeen Ashraf Mikhael, Nora Ashraf Hussin, Nourhan Ahmed Helmy, Shrouk Abd El hamid Mohamed, and . "Drought and Salinity Alter Adaptive Molecular Response in Two Genetically unlike Egyptian Rice Cultivars." THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany) 15.2 (2019), -. Print. doi:10.5455/egyjebb.20190619110050



APA (American Psychological Association) Style

Hazman, M. Y., , M. M. S., , M. M. A. E. ., Mohamed, N. A., Diab, N. E. E. d., Mikhael, N. A., Hussin, N. A., Helmy, N. A., Mohamed, S. A. E. h. & (2019) Drought and Salinity Alter Adaptive Molecular Response in Two Genetically unlike Egyptian Rice Cultivars. THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany), 15 (2), -. doi:10.5455/egyjebb.20190619110050