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Microgravity Effects on the Growth, Cell Cytology Properties and DNA Alterations of Three Iraqi Local Plants | OMICS International| Abstract
ISSN: 2375-4338

Rice Research: Open Access
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  • Research Article   
  • J Rice Res 2019, Vol 7(2): 207

Microgravity Effects on the Growth, Cell Cytology Properties and DNA Alterations of Three Iraqi Local Plants

Raghad S Mouhamad1*, Hadi H Shallal2 and Antonious Al-Daoude3
1Ministry of Sciences and Technology, Baghdad, Iraq
2University of Agronomic Sciences and Veterinary Medicine of Bucharest, Bucharest, Romania
3Department of Molecular Biology and Biotechnology, Atomic Energy Commission, Damascus, Syria
*Corresponding Author : Raghad S Mouhamad, Ministry of Sciences and Technology, Baghdad, Iraq, Tel: +9647702719152, Email: raghad1974@yahoo.com

Received Date: Feb 13, 2019 / Accepted Date: Mar 27, 2019 / Published Date: Apr 05, 2019

Abstract

In the current study, zero-gravity instruments circulated by the UNOOSA due to the proposals of the UN/Malaysia Expert Meeting on Human Space Technology in November 2011 were used to test gravity impacts and diverse media types (ddH2O and agar) on three plant species in particular, rice-Anber, rice-Jasmine. Microgravity impacts on cell division and root tips progression were assessed at 90 rpm, 90° clockwise at various gravity times relying upon the utilized plant species that was tested. The primary results of microgravity on plants were portrayed by huge declines in crisp and dry weight, less root stretching and numbering. Comet parameters demonstrated that controls (Comet length (px) 31.96 ± 1.92, Comet zone (px) 614.12 ± 57.78 mean ± SE in rice Anber ) were superior compared to the microgravity treatment (Comet length (px) 40.72 ± 1.08, Comet zone (px) 942.91 ± 36.79 mean ± SE in rice Anber). In the same wein, the effects of the agar (Comet length (px) 34.20 ± 2.53, Comet range (px) 644.30 ± 72.34 mean ± SE in rice Anber ) were better to those acquired from the cotton medium under zero gravity conditions (Comet length (px) 38.13 ± 1.39, Comet zone (px) 890.36 ± 48.42 mean ± SE in rice Anber). The clinorotated tests demonstrated fundamentally extraordinary qualities of cell cytology contrasted with those of the 1 g control. Local Iraqi plants, Oryza sativa (rice Jasmine and rice Anber) presented to microgravity had weaker development properties as the 1 g control bunches demonstrated a superior development rate achieving ~25% of the roots than the clinorotated gatherings. Moreover, an expansion in the mitotic record has been influenced by the aggregation of cells in a specific period of division primarily when the agar medium was utilized. In addition, chromosome variations, for example, stickiness in the metaphase and telophase, scaffolds and slacking chromosomes were recorded. The Comet test was further performed to decide how Single-Strand Breaks (SSBs) as the underlying harm added to DNA relocation. In general, the Comet examination senses a strategy for perceiving SSBs, and it had been demonstrated that a low level of SSB was detected as the concealed harm can't be seen by the Comet measure in light of the way that these SSBs vanish following a repair occasion and that SSBs as at an opportune time DNA insidiousness can be particularly perceived in the cellular Comet test (cellular test). Tests performed in microgravity have enormously added to the comprehension of how plants sense the gravity heading and react to it. In any case, the entire flag transduction process isn't yet comprehended in details between the two gatherings, although the research is potentially useful in the definition of cultivars to be used in spaceflight.

Keywords: Zero gravity; One-axis clinostat; Rice; Comet assay

Citation: Mouhamad RS, Shallal HS, Al-Daoude A (2019) Microgravity Effects on the Growth, Cell Cytology Properties and DNA Alterations of Two Iraqi Local Plants. J Rice Res 7: 207.

Copyright: © 2019 Mouhamad RS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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