Curriculum Vitae
Wael A. Sabra
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Wael Ahmed Sabra
13.04.1967
Alexandria, Egypt
married with three lovely children
21 El Amir Abd El Halim str, Viktoria, Alexandria
002 03 5756134
0127431385
waelsabra@web.de
002 03 - 3911794
Current position:
Lecturer in the Microbiology Department, Faculty of Science, Alexandria University,
Alexandria, Egypt.
Postgraduate studies :
1989-1990
1991-1993
10.1993-3.1994
10.1995-10.1998
Postgraduate study at the Faculty of Science, Alexandria
University, Alexandria, Egypt.
M.Sc. Study in Microbiology in the Faculty of Science,
Alexandria University, Egypt. M.Sc.: August, 1993
Training scholarship from DAAD in the Biochemical
engineering division, GBF-National Research Institute for
Biotechnology, Braunschweig, Germany.
Ph.D. study in Biochemical engineering division, at the national
research centre for biotechnology (GBF) in Braunschweig,
Germany. Ph.D. Title ‘Microaerophilic Alginate production by
Azotobacter vinelandii‘. Ph.D. December, 1998 (Grade very
good)
Employment :
1988-1993
08.1993-09.1995
10.1995-10.1998
1.1999- 3.1999
4.1999-5.1999
6.1999-12-2000
Demonstrator in Botany and Microbiology Department, Faculty
of Science, Alexandria University, Egypt.
Assistant lecturer in Botany and Microbiology Department,
Faculty of Science, Alexandria University, Egypt
Ph.D. student in the chemical engineering department under the
supervision of Prof. Dr. Walt-Dieter Deckwer, GBF,
Braunschweig, Germany
Post-doctor Scholarship in GBF, Braunschweig, Germany: Title
‚Hydrodynamic stress in multiphase reactors using Alginate
capsule as a model system’
Guest-scientist in GBF, Braunschweig, Germany
Post-doctor position in GBF, Braunschweig, Germany: Title
‘Poly-ß- hydroxybuytrate production from Molasses‘ – Work in
Pilot plant and no publication of results was permitted
1.2001-15.1.2003
8.2005 - 10.2005
Post-doctor position in GBF, Braunschweig, Germany: Title
‘Studying the virulence in Pseudomonas aeruginosa‘
Post doctoral; study in GBF, Braunschweig Germany: Title
‘small colony variant and wild type in Pseudomonas
aeruginosa
Teaching experience:
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Teaching assistant, Biotechnology practical course in the International
Training program. Institute for Biotechnology (GBF), Braunschweig,
Germany.
Teaching post-graduate students in the field of Biotechnology and Soil
Bacteriology in Microbiology Department, Faculty of Science, Alexandria
University.
Teaching under-graduate students in Microbiology Department, Faculty of
Science, Alexandria University in the following courses:
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General Microbiology
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Microbial Ecology
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Microbial Metabolism,
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Applied Mycology
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Fermentation equipment
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Molecular biology and genetic engineering.
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Plant anatomy
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Plant physiology
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Systematic botany
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Practical Qualification
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Good experience with different fermentation techniques in laboratory scales.
Praxis in the application of various methods of analysis including, 2D
electrophoresis; proteomics, HPLC, GPC, GC and enzymatic assays
Management capability and supervision of students, technical assistants as well as
guest-scientists.
Safety courses in handling gene modified or pathological micro-organisms.
Other Qualifications
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Very good English and German knowledge, both written and spoken
Excellent knowledge of the usual computer programs (Ms-Office, Graphicprogramme, Internet applications)
Other activities
- Establishment of a fermentation biotechnology lab with donated equipments from
Germany
Funded Projects
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Principal investigator of project: Metabolic flux distribution and process
optimisation of the pharmaceutically important polymannuronic polymer
Funded by Program of the National Strategy for Biotechnology and Genetic
Engineering, Egypt. 1998-2003
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Member of the implementation team in the project named "Enhancement of
Practical Skills of Botany, Microbiology and Biochemistry Students" which is
funded by Higher Education Enhancement Project Fund (HEEPF).
Scientific supervision of:
4 Master students and 1 Ph.D student
Scientific consultant
at the middle east technology company (Infection Control)
Publications:
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S. Sabry; K. Ghanem and W. Sabra (1996). Effect of nutrients on alginate
synthesis in Azotobacter vinelandii and characterisation of the produced alginate.
Microbiologia SEM 12: 593-598.
W. Sabra (1999) Microaerophilic production of alginate by Azotobacter
vinelandii. Dissertation, Technische Universität Carolo-Wilhelmina zu
Braunschweig, Germany (Electronic publication address: http://www.biblio.tubs.de/ediss/data/19990415a/19990415a.html)
W. Sabra; A.-P. Zeng; S. Sabry; S. Omar and W.-D. Deckwer. (1999). Effect
of phosphate and oxygen concentrations on alginate production and stoichiometry
of metabolism of Azotobacter vinelandii under microaerobic conditions. Appl.
Microbiol. Biotechnol. 52: 773-780.
W. Sabra; A.-P. Zeng; H. Lünsdorf and W.-D. Deckwer. (2000). Function and
variation of alginate production in Azotobacter vinelandii. Appl. Environm.
Microbiolgy 66(9): 4037-4044.
W. Sabra; A.-P Zeng and W.-D. Deckwer. (2001). Bacterial alginate:
physiology, product quality and process aspects. Appl. Microbiol Biotechnol.
56:315-325.
W. Sabra; Kim Eun-Jin and A-P. Zeng (2002). Physiological responses of
Pseudomonas aeruginosa PAO1 to oxidative stress in controlled microaerobic and
aerobic cultures. Microbiology, 148: 3195-3202.
W. Sabra, H. Ma, W. Wang, E.-J. Kim, A.-P. Zeng (2002). Rekonstruktion und
Analyse des metabolischen Netzwerks von Pseudomonas aeruginosa für die
Bildung von Virulenzfaktoren. Chemie Ingenieur Technik: 74, Issue: 5,
Date: May, 2002, Pages: 688
W. Sabra; H. Lünsdorf and A-P. Zeng (2003). Alterations in the formation of
lipopolysaccharide and membrane vesicles on the surface of Pseudomonas
aeruginosa PAO1 under oxygen stress conditions. Microbiology, 149, 2789–2795.
Kim E.-J., Sabra W. and A-P. Zeng (2003). Iron deficiency leads to blockage of
oxygen transfer and enhanced formation of virulence factors in culture of
Pseudomonas aeruginosa PAO1. Microbiology, 149, 2627–2634.
Sabra , W. (2006). The increase in guluronic acid residues in alginate diminishes
its specific formation rate (qalginate) in early growth phases of Azotobacter
chroococcum. Assiut University J of Botany. 35(2): 423-436.ISSN: 1687-4927.
Sabra W. and Hassan M. (2007) Exopolysaccharide yield as a kinetic parameter
for the statistical optimization of EPS production by Klebsiella pneumoniae.
Biotechnology 1-8
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Sabra W. and Abou-Zeid Dunja (2008). Improving feeding strategies for
maximizing Polyhdroxyalkanoates yield by Bacillus megaterium. Res J Microbiol
3(5) 308-318
Sabra, W. and A-P. Zeng (2008). Virulence and oxidative stress of
Pseudomonas aeruginosa PAO1 in continuous culture, a proteomoic study. ( in
preparation)
Book contribution:
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W. Sabra; W.-D. Deckwer. (2004). Alginates - A polysaccharide of industrial
interest and diverse biological functions. In: Polysaccharides, structural diversity
and functional versatility, Second Edition. Ed. S. Dumitriu Chapter 21,pp 515533. Dumitriu, Marcel Dekker, New York.
W. Sabra; A. Ross and R. Jonas (2004) Alginate versus PHB production by the
diazotrophic growing culture of Azotobacter chroococcum. In “ Biotecnological
advances and applications in bioconversion of renewable raw materials. 309-311,
Editted by Jonas R., Pandey A. and Tharun G., Doeringdruck, ISBN: 3-925 26825-0
Conference poster and lecture:
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W. Sabra; A.-P. Zeng and W.-D. Deckwer (1997). Effect of phosphate and
oxygen concentrations on the respiratory quotient and alginate production by
Azotobacter vinelandii: A stoichiometric study (Poster). 8th. European Congress on
Biotechnology, Budapest, Hungary.
W. Sabra; A.-P. Zeng and W.-D. Deckwer (1999). Kopplung von
Nitrogenaseaktivität und Alginatproduktion in Azotobacter vinelandii. Lectures
and- discussion conference 10-11Mai, DECHEMA e.V. Erfuhrt, Germany
W. Sabra; A.-P. Zeng and W.-D. Deckwer (1999). ‘Biological Function and
Variation of Alginate Production in Diazotrophically Growing Azotobacter
vinelandii’. Biotechnology 2000 conference 3-8 September DECHEMA Berlin,
Germany
J-X. Bi, M. Wirth, C. Beer, W. Sabra, & A.-P. Zeng. (2001) The use of a CFOS-GFP reporter system for monitoring apoptosis of animal cells induced by
exotoxins of Pseudomonas aeruginosa. Proceedings of the 17th Meeting of
European Society for Animal Cell Technology, June 10-14, Tylösand, Sweden
E. Kim, W. Sabra, A. Zeng (2003). Effect of iron on physiological change of
Pseudomonas aeruginosa and virulence increment due to oxygen limitation
phenomenon. DECHEMA, Section Bioprocess development 1.46, 2.4 April,
Muenchen, Germany.
Referee
1- Prof. Dr. An-Ping Zeng
GBF (Germany see above), adjunct Professor at the universities of Dalian and Tianjin.
Biochemical Engineering Division,
Mascheroder Weg 1, D-38124 Braunschweig, Germany
e-mail: AZE@gbf.de
Fax: +49-531-6181 111
2- Prof. Dr. Rainer Jonas
Head of Scientific Information and Library,
Coordinator for International Co-operation with developing countries
Mascheroder Weg 1, D-38124 Braunschweig, Germany
e-mail: RJO@gbf.de
Fax: +49-531-6181 575 or 515