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, Bacteriological studies on chlamydial infections in wild birds, , Cairo, Cairo university, 2012. Abstract

Free-living wild birds are important as reservoirs of Chlamydophila psittaci. Both diseased birds and sub-clinically infected birds can shed chlamydiae and are therefore a potential threat to both human and animal health. Despite its importance for wild birds, poultry, animals and humans, there has not been a study to investigate chlamydiae in wild birds in Egypt. The present study aimed to compare the results of PCR, direct fluorescein conjugated monoclonal antibody staining (FA), Giemsa stain and Gimenez staining as well as serodiagnostic studies on sera by complement fixation test (CFT) in detecting Chlamydophila psittaci in Bubulcus ibis and Upupa epops in Egypt in order to evaluate zoonotic risks for workers that come into contact with these free living birds. Out of 56 Upupa epops (Hoopoe) were investigated, the numbers of positive samples were 53 (94.6%), 44 (78.5%) and 49(87.5%) according to PCR, FA, and mGS, respectively. Out of 52 Bubulcus ibis were investigated, the numbers of positive samples were 48(92.3%), 40(76.9%) and 44(84.6%) according to PCR, FA, and mGS, respectively.

Rashad, F. M., "Bacteriological quality of fish and shillfish.", Bull. Fac. Agric. Cairo Univ., , vol. 41, issue 1, pp. 163-174, 1990.
Fayez, M., S. I. Abdel-Aal, R. R. Shahin, M. A. Abdel-Hamid, and M. M. Abdel-Tawab, "Bacteriological characteristics of soil and water as affected by some industrial wastes in Helwan-El-Saf area (Egypt)", Egyptian journal of microbiology, vol. 22, issue 2: National Information and Documentation Centre, pp. 247-259, 1987. Abstract
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Fayez, M., S. I. Abdel-Aal, R. R. Shahin, M. A. Abdel-Hamid, and M. M. Abdel-Tawab, "Bacteriological characteristics of soil and water as affected by some industrial wastes in Helwan-El-Saf area (Egypt)", Egyptian journal of microbiology, vol. 22, issue 2: National Information and Documentation Centre, pp. 247-259, 1987. Abstract
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Fayez, M., S. I. Abdel-Aal, R. R. Shahin, M. A. Abdel-Hamid, and M. M. Abdel-Tawab, "Bacteriological characteristics of soil and water as affected by some industrial wastes in Helwan-El-Saf area (Egypt)", Egyptian journal of microbiology, vol. 22, issue 2: National Information and Documentation Centre, pp. 247-259, 1987. Abstract
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Fayez, M., S. I. Abdel-Aal, R. R. Shahin, M. A. Abdel-Hamid, and M. M. Abdel-Tawab, "Bacteriological characteristics of soil and water as affected by some industrial wastes in Helwan-El-Saf area (Egypt)", Egyptian journal of microbiology, vol. 22, issue 2: National Information and Documentation Centre, pp. 247-259, 1987. Abstract
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Fayez, M., S. I. Abdel-Aal, R. R. Shahin, M. A. Abdel-Hamid, and M. M. Abdel-Tawab, "Bacteriological characteristics of soil and water as affected by some industrial wastes in Helwan-El-Saf area (Egypt)", Egyptian journal of microbiology, vol. 22, issue 2: National Information and Documentation Centre, pp. 247-259, 1987. Abstract
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Refai, M., Rashwan, A., S. A. Attia, and E. Sharaf, "Bacteriological and serological studies on avian mycoplasmas in Menofia Governorate. ", Mansoura Vet. Med. J., vol. 6 , pp. 61-74. , 2004. bact_and_serol._studies_on_aviab_mycopl.pdf
, "Bacteriological and pathological studies on Mycoplasma gallisepticum in birds", Veterinary Medical Journal (Giza),., vol. 61, issue 4, pp. 29-38, 2015.
Hegazy, A., H. I. Youseff, and S. A. Selim, "Bacteriological and histopathological studies on endometritis of the camel", J Egypt Vet Med Assoc, vol. 39, pp. 81-97, 1979. Abstract
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A.Kaoud, H., "BACTERICIDAL EFFECTIVENESS OF SOME COMMERCIAL DISINFECTANTS AGAINST AEROMONAS HYDROPHILA AND VIBRIO VULNIFICUS", Ewemen Journal of Microbial Research, vol. 1, issue 1, pp. 9-15, 2015. kaoud.pdf
Eman, I. S. M. A. I. L., and Kaoud, "BACTERICIDAL EFFECTIVENESS OF SOME COMMERCIAL DISINFECTANTS AGAINST AEROMONAS HYDROPHILA AND VIBRIO VULNIFICUS", Ewemen Journal of Microbial Research , vol. 1, issue 1, pp. 9 -15 , 2015. ismail_e._predoctor_paper_download.pdf
Seras, J., C. D{\'ıez-Gil, E. Vazquez, S. Krabbenborg, E. Rodr{\'ıguez-Carmona, J. L. Corchero, R. M. Ferraz, M. Cano-Sarabia, I. Ratera, N. Ventosa, et al., "Bacterially produced inclusion bodies as biocompatible materials for substrate-dependent mammalian cell proliferation", Journal of Biotechnology, vol. 150: Elsevier, pp. 434–435, 2010. Abstract
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Elmahdy, A. M., S. E. El-Mofty, N. A. Abdel-Khalek, and A. A. El-Midany, "Bacterially Induced phosphate–dolomite separation using amphoteric collector", Separation and Purification Technology: Elsevier, 2013. Abstract

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A.M.Elmahdy, S.E.El-Mofty, M. A. Abdel-Khalek, N.A.Abdel-Khalek, and A.A.El-Midany, "Bacterially Induced phosphate–dolomite separation using amphoteric collector", Separation and Purification Technology, vol. 102, pp. 94-102, 2013.
El-Aleam, R. A. H., R. F. George, H. H. Georgey, and H. M. Abdel-Rahman, "Bacterial virulence factors: a target for heterocyclic compounds to combat bacterial resistance", RSC Advances, vol. 11, pp. 36459–36482, 2021.
and Shabeena Khatoon, A. A. S. Z. M., "Bacterial Vaccine: Potential and Safety Concerns. ", EC Microbiology 3.2 (2016) April: 438-439., 2016.
Eldin, A. S. M., P. Kysl{\'ık, D. Stephan, and M. A. Abdallah, "Bacterial iron transport: structure elucidation by FAB-MS and by 2D NMR (1 H, 13 C, 15 N) of pyoverdin G4R, a peptidic siderophore produced by a nitrogen-fixing strain of Pseudomonas putida", Tetrahedron, vol. 53, no. 37: Elsevier, pp. 12539–12552, 1997. Abstract
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Atkinson, A. R., A. M. Salaheldin, B. Kieffer, J. - F. Lefèvre, and M. A. Abdallah, "Bacterial iron transport: 1H NMR determination of the three-dimensional structure of the gallium complex of pyoverdin G4R, the peptidic siderophore of Pseudomonas putida G4R", Biochemistry, vol. 37, no. 45: ACS Publications, pp. 15965–15973, 1998. Abstract
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M. Moustafa, Laila. A. Mohamed, M. A. Mahmoud, and E. -gendyM. Y. W.S. Soliman, "Bacterial Infections Affecting Marine Fishes in Egypt", Journal of American Science , vol. 6, no.11, pp. 603-612, 2010. Abstract

Some fish species are suffering from continuous depletion due to devastating environmental changes at their native aquatic environment. Qarun Lake and Suez Gulf are among the most vulnerable areas. Thus, representative fish samples from those areas were inspected for the presence of any fish pathogenic bacteria. The inspected samples included six different species; Epinephelus tuvina, Siganus rivulatus, and Dedlechilus labiosus native to Suez Gulf at Suez governorate; Tilapia zilli, Mugil capito and Solea vulgaris native to Qarun Lake at El- Fayoum governorate. A total of 600 samples were examined throughout the different year seasons. Gram positive and negative fish pathogenic bacteria were isolated from a total of 245 fish sample. Among those samples, the following bacteria were retrieved in the following percentages respectively, 17.55% (V. anguillarum), 16.73% (V. alginolyticus), 15.51% (P. piscicida), 15.91% (Ps. fluorescens), 13.46% (S. fecalis), 11.02% (A. hydrophila), 6.12% (A. sobria) and 3.67% were infected with Staph. aureus. The Siganus rivulatus was the highest infected fish species with a prevalence of 8.33%, while Mugil capito was the lowest infected species (5.67 %). The highest total prevalence of bacterial infection was recorded in summer season (40.81%) while the lowest was recorded in winter (15.91%). The aforementioned bacterial isolates were successfully re-isolated from experimentally infected fish. The retrieved isolates were matched against standard isolates as well as confirmed to be positive using semi- automated (API 20 E) and conventional biochemical tests.