Genotoxic and Anatomical Deteriorations Associated with Potentially Toxic Elements Accumulation in Water Hyacinth Grown in Drainage Water Resources

Farahat S. Moghanm, Antar El-Banna, Mohamed A. El-Esawi, Mohamed M. Abdel-Daim, Ahmed Mosa and Khaled A.A. Abdelaal
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Farahat S. Moghanm: Soil and Water Department, Faculty of Agriculture, Kafrelsheikh University, Kafr el-sheikh 33516, Egypt
Antar El-Banna: Genetics Department, Faculty of Agriculture, Kafrelsheikh University, Kafr el-sheikh 33516, Egypt
Mohamed A. El-Esawi: Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
Mohamed M. Abdel-Daim: Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
Ahmed Mosa: Soils Department, Faculty of Agriculture, Mansoura University, Mansoura 35516, Egypt
Khaled A.A. Abdelaal: EPCRS Excellence Center, Plant Pathology and Biotechnology Laboratory, Agricultural Botany Department, Faculty of Agriculture, Kafrelsheikh University, Kafr el-Sheikh 33516, Egypt

Sustainability, 2020, vol. 12, issue 5, 1-16

Abstract: Potentially toxic elements (PTEs)-induced genotoxicity on aquatic plants is still an open question. Herein, a single clone from a population of water hyacinth covering a large distribution area of Nile River (freshwater) was transplanted in two drainage water resources to explore the hazardous effect of PTEs on molecular, biochemical and anatomical characters of plants compared to those grown in freshwater. Inductivity Coupled Plasma (ICP) analysis indicated that PTEs concentrations in water resources were relatively low in most cases. However, the high tendency of water hyacinth to bio-accumulate and bio-magnify PTEs maximized their concentrations in plant samples (roots in particular). A Random Amplified Polymorphic DNA (RAPD) assay showed the genotoxic effects of PTEs on plants grown in drainage water. PTEs accumulation caused substantial alterations in DNA profiles including the presence or absence of certain bands and even the appearance of new bands. Plants grown in drainage water exhibited several mutations on the electrophoretic profiles and banding pattern of total protein, especially proteins isolated from roots. Several anatomical deteriorations were observed on PTEs-stressed plants including reductions in the thickness of epidermis, cortex and endodermis as well as vascular cylinder diameter. The research findings of this investigation may provide some new insights regarding molecular, biochemical and anatomical responses of water hyacinth grown in drainage water resources.

Keywords: water hyacinth; potentially toxic elements; genotoxicity; protein patterns; anatomical characters (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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