Dr. Alkhateib  Yousry Gaafar Ibraheem
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Dr. Alkhateib Yousry Gaafar Ibraheem

Associate Professor
National Research Centre, Egypt


Highest Degree
Post Doctoral Fellow in Fish Pathology from Hiroshima University, Japan

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Area of Interest:

Animal and Veterinary Sciences
100%
Veterinary Pathology
62%
Fish Disease
90%
Fish Microbiology
75%
Molecular Biology
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. Elazab, M.F.A., A.M. Younes, A.Y. Gaafar, A.Z. Abu-Bryka and M.M. Abdel-Daim, 2021. Immunosuppressive effect of cyclophosphamide in nile tilapia (oreochromis niloticus). Environ. Sci. Pollut. Res., 10.1007/s11356-020-11893-8.
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  2. Mokhbatly, Abd.A.A., D.H. Assar, E.W. Ghazy, Z. Elbialy, S.A. Rizk, A.A. Omar, A.Y. Gaafar and M.A.O. Dawood, 2020. The protective role of spirulina and β-glucan in African catfish (Clarias gariepinus) against chronic toxicity of chlorpyrifos: hemato-biochemistry, histopathology, and oxidative stress traits Environ. Sci. Pollut. Res., 10.1007/s11356-020-09333-8.
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  3. Mahrous, K.F., M.M. Aboelenin, H.A.M. Abd El-Kader, D.M. Mabrouk and A.Y. Gaafar et al., 2020. Piscidin 4: Genetic expression and comparative immunolocalization in Nile tilapia (Oreochromis niloticus) following challenge using different local bacterial strains. Dev. Comp. Immunol., 10.1016/j.dci.2020.103777.
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  4. Mahrous, K.F., D.M. Mabrouk, M.M. Aboelenin, H.A.M.A. El‐Kader and A.Y. Gaafar et al., 2020. Molecular characterization and immunohistochemical localization of tilapia piscidin 3 in response to Aeromonas hydrophila infection in Nile tilapia. J. Pept. Sci., Vol. 26. 10.1002/psc.3280.
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  5. Kawato, Y., I. Istiqomah, A.Y. Gaafar, M. Hanaoka, K. Ishimaru, M. Yasuike, I. Nishiki, Y. Nakamura, A. Fujiwara and T. Nakai, 2020. A novel jumbo Tenacibaculum maritimum lytic phage with head-fiber-like appendages. Archives of Virol., 165: 303-311.
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  6. Gaafar, A.Y., H. Yamashita, I. Istiqomah, Y. Kawato, K. Ninomiya, A. Younes and T. Nakai, 2020. Comparative immunohistological study on using capsaicin, piperine, and okadaic acid for the transepithelial passage of the inactivated viral and bacterial vaccines in fish. Microsc. Res. Tech., 10.1002/jemt.23491.
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  7. Gaafar, A.Y., E.S.H. Abdullah, M.M. Mahmoud, A.M. Younes and T. Nakai, 2020. Pathological and immunohistochemical studies following the experimental infection of ayu (Plecoglossus altivelis) by Edwardsiella ictaluri. Microsc. Res. Tech., 10.1002/jemt.23602.
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  8. Emara, E.K.M., A.Y. Gaafar and Y.M. Shetaia, 2020. In vitro screening for the antifungal activity of some Egyptian plant extracts against the fish pathogen Saprolegnia parasitica. Aquac. Res., 10.1111/are.14791.
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  9. Younes, A.M., A.Y. Gaafar, A. El-Din Z. Abu-Bryka, L.A. Mohamed and El-Sayed M. Bayoumy, 2019. Genotyping and pathogenicity of Streptococcus iniae strains recovered from cultured Oreochromis niloticus at Kafr El-Shiekh Governorate, Egypt. Egyptian J. Aqu. Biol. Fishe., 23: 467-474.
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  10. Gaafar, A.Y., H.Yamashita, I. Istiqomah, Y. Kawato, K. Ninomiya, A.E.Younes and T. Nakai, 2018. An Oral Vaccination Method with the Aid of Capsaicin against Viral Nervous Necrosis (VNN). Fish Pathol., 53: 110-113.
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  11. El-Gamal, A.M., M.S. El-Gohary and A.Y. Gaafar, 2018. Detection and molecular characterization of some bacteria causing skin ulceration in cultured nile tilapia (Oreochromis niloticus) in Kafr El-Sheikh governorate. Int. J. Zool. Res., 14: 14-20.
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  12. Younes, A.M., A.Y. Gaafar, L.A. Mohamed and M.S. Zaki, 2017. DNA-based vaccines against bacterial fish diseases: Trials and prospective. Rep. Opin., 9: 1-16.
  13. Younes, A.Y., M.O. Fares, A.Y. Gaafar and L.A. Mohamed, 2016. Isolation of vibrio alginolyticus and vibrio vulnificus strains from cultured oreochromis niloticus around qarun lake, egypt. Global Veterinaria, 16: 1-5.
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  14. Soliman, M.K., R. Abozahra, A.Y. Gaafar, A.M. Younes and N.A. Affr, 2016. Determination of mecA expression and other resistance mechanisms in methicillin-resistant Staphylococcus aureus isolated from Oreochromis niloticus (Nile tilapia). Afr. J. Microbiol. Res., 10: 481-485.
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  15. Younes, A.M., L.A. Mohamed, M.F. Eida and A.Y. Gaafar, 2015. Characterization and pathogen challenge of pseudomonas species from oreochromis niloticus in egypt. Res. J. Pharm. Biol. Chem. Sci., 6: 312-317.
  16. Younes, A.M., A.Y. Gaafar and E.S. Awad, 2015. Virulence determinants and plasmid profile of aeromonas hydrophila strains isolated from oreochromis niloticus. Global Veterinaria, 15: 613-617.
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  17. Moustafa, M., A.E. Eissa, A.M. Laila, A.Y. Gaafar, I.M.K. Abumourad and M.Y. Elgendy, 2015. Investigations into the potential causes of mass kills in mari-cultured Gilthead sea bream, (Sparus aurata) at Northern Egypt. Res. J. Pharm. Biol. Chem. Sci., 6: 466-477.
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  18. Gaafar, A.Y., Y. Kawato, H. Yamashita, K. Mori, A. Younes and T. Nakai, 2015. Preliminary trials for using capsaicin to aid intestinal epithelial passage of betanodavirus vaccine in goldfish Crassius aurata. World J. Fish Mar. Sci., 7: 45-51.
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  19. Gaafar, A.Y., A.M. Younes, A.M. Kenawy, W.S. Soliman and L.A. Mohamed, 2015. Escherichia fergusonii: A new emerging bacterial disease of farmed Nile tilapia (Oreochromis niloticus). Global Vet., 14: 268-273.
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  20. Elgendy, M.Y., M. Moustafa, A.Y. Gaafar and T.B. Ibrahim, 2015. Impacts of extreme cold water conditions and some bacterial infections on earthen-pond cultured Nile tilapia, Oreochromis niloticus. Res. J. Pharm. Biol. Chem. Sci., 6: 136-145.
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  21. El-Badawi, A.A., A.Y. Gaafar, H.H. Abbas and M.M.N. Authman, 2015. Toxic effects of neem seeds oil on Nile Tilapia (Oreochromis niloticus) and application of different trials of control. J. Pharmaceut. Biol. Chem. Sci., 6: 645-658.
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  22. Younes, A.M. and A.Y. Gaafar, 2014. Pathogenicity, plasmid profile and effectiveness of some herbal extracts on pseudomonas fluorescens isolated from oreochromis niloticus fish. Global Veterinaria, 12: 891-896.
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  23. Soliman, M.K., H.F. Ellakany, A.Y. Gaafar, A.K. Elbialy, M.S. Zaki and A.M. Younes, 2014. Epidemiology and antimicrobial activity of methicillin-resistant Staphylococcus aureus (MRSA) isolated from nile tilapia (Oreochromis niloticus) during an outbreak in egypt. Life Sci. J., 11: 1245-1252.
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  24. Moustafa, M., A.E. Eissa, A.M. Laila, A.Y. Gaafar, I.M.K. Abumourad and M.Y. Elgendy, 2014. Mass mortalities in mari-cultured European sea bass (Dicentrarchus labrax) at Northern Egypt. Res. J. Pharm. Biol. Chem. Sci., 5: 95-109.
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  25. El-Badawi, A.A., A.Y. Gaafar, H.H. Abbas and M.M.N. Authman, 2014. The protective role of copper nicotinate and vitamin E against neem seed oil induced oxidative stress and histopathological changes in Nile Tilapia (Oreochromis niloticus, Linnaeus, 1758). Egyptian J. Aquatic Biol. Fish., 18: 1-19.
  26. Kandeil, A., R. El-Shesheny, G. Kayali, Y. Moatasim and O. Bagato et al., 2013. Characterization of the recent outbreak of foot-and-mouth disease virus serotype SAT2 in Egypt. Arch. Virol., 158: 619-627.
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  27. El-Deen, N.A.E., O.K. Abd El Hady and A.Y. Gaafar, 2012. Field studies on anguillicoliasis in cultured freshwater (Anguilla anguilla) with emphasis to treatment trails. Global Veterinaria, 8: 625-630.
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  28. Authman, M.M.N., W.T. Abbas and A.Y. Gaafar, 2012. Metals concentrations in Nile tilapia Oreochromis niloticus (Linnaeus, 1758) from illegal fish farm in Al-Minufiya province, Egypt and their effects on some tissues structures. Ecotoxicol. Environ. Saf., 84: 163-172.
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  29. Gaafar, A.Y., T. Veselý, T. Nakai, E.M. El-Manakhly and M.K. Soliman et al., 2011. Histopathological and ultrastructural study of experimental spring viraemia of carp (SVC) infection of common carp with comparison between different immunohistodignostic techniques efficacy. Life Sci. J., 8: 523-533.
  30. Nishioka, T., K. Mori, T. Sugaya, N. Tezuka and T. Takebe et al., 2010. Involvement of viral nervous necrosis in larval mortality of hatchery-reared pacific bluefin tuna Thunnus olientalis. Fish Pathol., 45: 69-72.
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  31. Gaafar, A.Y. , E.M. El-Manakhly, M.K. Soliman, H. Soufy, M.S. Zaki, S.G. Mohamed and S.M. Hassan, 2010. Some pathological, biochemical and hematological investigations on nile tilapia ( Oreochromis niloticus ) following chronic exposure to edifenphos pesticide. J. Am. Sci., 6: 542-551.
  32. Soufy, H., M.K. Soliman E.M. El-Manakhly and A.Y. Gaafar, 2007. Some biochemical and pathological investigations on monosex tilapia following chronic exposure to carbofuran pesticide. Global Vet., 1: 45-52.
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