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106043

Ultrastructure biomarker in Anisops sardeus (Heteroptera Notonectidae) for the assessment and monitoring of Water Quality of Al-Mahmoudia Canal,Western Part of Nile Delta, Egypt

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Last updated: 25 Dec 2024

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Abstract

Ultrastructure biomarker reflects the effects of pollutants. The present study amid to evaluate the reproductive changes of the aquatic hemipteran insect Anisops sardeus (as a bioindicator organism), inhabiting three sites in Al-Mahmoudia canal (Abou-Hommous, Zarcon town, Manshia) which varied in physical and chemical properties. Mahmoudia canal is considered the main water source for Alexandria, which receives water from the Rosetta branch at Mahmoudia city. The canal receives domestic and agricultural wastes from Zarcon Drain and other non-point sources. The present work is concerned with monitoring bioaccumulation of metal in the testes of A. sardeus using SEM-X-ray microanalysis and illustrating spermatogenesis disruptions. Insects caught from polluted sites (Zarcon town, Manshia) showed a higher proportion of heavy metals in particular Cu, Zn and Hg than in the less polluted site (Abou-Hommous). Many alterations of the general architecture of the testis were pronounced. Disruption and damage for the normal cellular organization were observed. In epithelial cells, aggregated clumps of heterochromatin, irregular nuclear envelope, cytoplasm with disorganized mitochondria, and convolution of the follicular wall were noticed. In spermatogonia, the nucleus appeared with the disintegrated nucleolus, vacuolated cytoplasm, and degenerative changes in the mitochondria. According to the obtained results, the water quality of Al-Mahmoudia canal was lower at the polluted sites and the watercourse from south to north direction has been increased in pollution sources. The results also showed that the intensity of the histopathological changes increased with increasing the intensity of heavy metals. As a biomarker of exposure to toxicants, histopathology represents a useful tool to assess the degree of pollution

DOI

10.21608/jbaar.2015.106043

Keywords

Al-Mahmoudia canal, Aquatic insects, Water assessment, biomarkers, X-ray microanalysis, testis

Authors

First Name

Dalia A.

Last Name

Kheirallah

MiddleName

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Affiliation

Department of Zoology, Faculty of Science, Alexandria University, Alexandria 21511, Egypt

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Volume

1

Article Issue

6

Related Issue

16046

Issue Date

2015-12-01

Receive Date

2015-11-18

Publish Date

2015-12-01

Page Start

326

Page End

334

Print ISSN

2356-9174

Online ISSN

2356-9182

Article File

JBAAR_Volume 1_Issue 6_Pages 326-334.pdf

PDF . 686.1kB

Link

https://jbaar.journals.ekb.eg/article_106043.html

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https://jbaar.journals.ekb.eg/service?article_code=106043

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10

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Original Article

Type Code

1,272

Publication Type

Journal

Publication Title

Journal of Bioscience and Applied Research

Publication Link

https://jbaar.journals.ekb.eg/

MainTitle

Ultrastructure biomarker in Anisops sardeus (Heteroptera Notonectidae) for the assessment and monitoring of Water Quality of Al-Mahmoudia Canal,Western Part of Nile Delta, Egypt

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Article

Created At

22 Jan 2023