| СЕКЦИЯ МИКРОБНА ЕКОЛОГИЯ
Завеждащ секция: Ст. н.с. д-р К. Цекова
Teл: (+359 2) 979-31-67
E-mail: ktsekova@microbio.bas.bg
Дата на раждане
| 17.11.1950 г. |
Място на раждане
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Царева поляна, Хасковска област, България
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Настоящ адрес
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Българска академия на науките, Институт по микробиология “Стефан Ангелов”, ул.”Акад. Г. Бончев” бл.26, 1113, София, България
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Образование
1968 - 1973
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СУ “Св. Климент Охридски”, Химически факултет
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Квалификация
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Химик
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Научна степен
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Доктор по биология, 1985, Дисертация: “Биосинтез и кинетика на ензима глюкоамилаза от Aspergillus niger B77”. Ръководител: Чл.- кор. Проф. К. Марков
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Професионална дейност
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1974 – 1977
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Специалист в Институт по виното, Министерство на земеделието
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1978 – 1982
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Специалист в секция “Биосинтез на органични киселини”, Институт по микробиология “Стефан Ангелов”, Българска Академия на науките (ИМикБ – БАН)
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1983 - 2002
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Научен сътрудник в секция “Микробна екология”, ИМикБ – БАН
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2003 –
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Старши научен сътрудник в секция “Микробна екология”, ИМикБ – БАН
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2005 -
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Завеждащ секция “Микробна екология”, ИМикБ – БАН
| Преподавателска дейност |
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2003-2005
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Университет по химични технологии и металургия, София
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“Биосорбция на йони на тежки метали от филаментозни гъби имобилизирани в полимерни хидрогелове” (Проект В-1407/04 към “Фонд научни изследвания”, Република България)
„Детоксикация на водни екосистеми, замърсени с тежки метали и ксенобиотици” (Проект TK01/0154 към “Фонд научни изследвания”, Република България)
| Научни интереси |
Биосинтез на биологично активни вещества; биосорбция на тежки метали от свободни и имобилизирани клетки на филаментозни гъби; детоксикация на водни екосистеми, замърсени с ксенобиотици
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Главни изследователски направления на секцията
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Биосинтез на биологично активни вещества: органични киселини и ензими.
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Кинитика, моделиране, оптимизация на биотехнологични процеси и тяхното внедряване в индустрията.
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Изследвания върху физиологичния отговор на микроорганизми към различни замърсители: тежки метали, фенол, нефтопродукти.
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Биосорбция на тежки метали от свободни и имобилизирани клетки на филаментозни гъби.
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Промени в структурата и функцията на микробни съобщества в речни и морски екосистеми в присъствие на ксенобиотици.
По-важни постижения
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Изолирани са микробни асоциации, разграждащи фенол и нефтопродукти.
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Създадена е имобилизирана система от органичен полимер с включена плесенна биомаса, притежаваща висок потенциал за извличане на йони на тежки метали от смесени разтвори.
Избрани публикации:
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Tsekova, K., Galabova, D. Phosphatase production and activity in copper (II) accumulating Rhizopus delemar, Enzyme and Microbial Technology, 2003, 33, 926-931.
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Todorova, N., Ivanov, I., Hristov, A., Karamfilov, V. Application of Ardrea analysis for early warning of the effects of oil pollution in coastal marine ecosystems. Research into laboratory “Microcosm” model, Ecological engineering and environment protection, 2005, 3-4, 69-75.
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Ianis, M., Tsekova, K., Vasileva, S. Copper biosorption by Penicillium cyclopium: equilibrium and modeling study, Biotechnol. and Biotechnol. Eq., 2006, 20, 1, 195-202.
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Tsekova, K., Christova, D., Ianis M. Heavy metal biosorption sites in Penicillium cyclopium. J. Appl. Sci. Environ. Mgt., 2006, 10, 3, 117-121.
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Tsekova, K., Ianis, M., Dencheva, V., Ganeva, S. Biosorption of Binary Mixtures of Cooper and Cobalt by Penicillium brevicompactum Zeitschrift fuer Naturforschung, 2007, 62c, 261-264.
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Tsekova, K., Ianis, M., Ganeva, S. Biosorption of binary mixtures of copper and cobalt by Penicillium cyclopium biomass. Comptes rendus de l`Academie bulgare des Sciences, 2007, 60(1), 63-70.
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Todorova, D., Nedeva, D., Abrashev, R., Tsekova, K. Cd (II) stress response during the growth of Aspergillus niger B 77. Journal of Applied Microbiology, 2008, 104, 178-184.
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Christova, D., Tsekova, K., Ivanova, S., Todorova, D. Application of hybrid hydrogels of Penicillium cyclopium cells immobilized in polymer network for heavy metal ions uptake. Ecological Engineering and Environmental Protection, 2008, 4, 21-27.
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Vassileva, S., Tsekova, K., Christova, D., Todorova, D. Intelligent software analyzer design for parameters evaluation of ternary heavy metal ions removal by immobilized fungal biomass. International Journal of Biomathematics, 2008 (in press).
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Tsekova K., Christova, D., Todorova, D. and Ivanova, S. Biosorption of ternary mixture of heavy metals by entrapted in PVA – hydrogel biomass of Penicillium cyclopium. Comptes rendus de l’Academie bulgare des Sciences, 2008, 61(9), 1175 - 1180
DEPARTMENT OF MICROBIAL ECOLOGY
K.Tsekova, PhD, Associate Professor
Head of Department
Tel: (+359 2) 979-31-67
E-mail: ktsekova@microbio.bas.bg
Date of birth
| November 17, 1950 |
Place of birth
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Tsareva poliana, Haskovo, Bulgaria
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Present address
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Bulgarian Academy of Sciences, The Stephan Angeloff Institute of Microbiology, Acad. G. Bonchev St., Block 26, 1113 Sofia, Bulgaria
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Education
1968 - 1973
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St. Kliment Okhridski University of Sofia, Faculty of Chemistry
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Qualification
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Chemist
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Scientific degree
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Ph.D., 1985 Thesis: Biosynthesis and kinetics of the enzyme glucoamylase by Aspergillus niger B 77 Supervisor: Prof. K. Markov, Corresponding Member of BAS
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Professional employment:
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1974 – 1977
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Researcher in the Institute of wine production at the Ministry of Agriculture, Sofia
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1978 – 1982
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Researcher in the Department Biosynthesis of organic acids in the Institute of Microbiology of the Bulgarian Academy of Sciences (IM-BAS).
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1983 - 2002
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Assistant Professor, Department of Microbial ecology in the IM-BAS
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2003 –
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Assoc. Prof., Department of Microbial ecology in the IM-BAS
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2005 -
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Head of Department of Microbial ecology in the IM-BAS.
| Teaching |
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2003-2005
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University of Chemical Technology and Metallurgy, Sofia
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Current national projects
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“Heavy metal ions biosorption by filamentous fungi immobilized in polymer hydrogels” (Grant B-1407/04 from the National Scientific Research Council, Republic of Bulgaria)
“Detoxification of aqueous ecosystem polluted with heavy metals and xenobiotics” (Grant TK01/0154 from the National Scientific Research Council, Republic of Bulgaria)
| Scientific interests |
Biosynthesis of biologically active compounds (organic acids and enzymes); Biosorption of heavy metals by free and immobilized cells of filamentous fungi; detoxification of aqueous ecosystem polluted with xenobiotics
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Main Research Topics of the Department -
Biosynthesis of biological active substances: organic acids and enzymes
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Kinetics, modelling, optimization of biotechnological processes and their set-up in industrial scales
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Investigation on physiological response of microorganisms to different pollution: heavy metals, phenol, oil products
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Biosorption of heavy metals by free and immobilized cells of filamentous fungi
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The changes in the structure and function of microbial communities in river and marine ecosystems in the presence of xenobiotics.
Most Important Achievements
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Microbial associations degrading phenol and oil products were selected.
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It is created an immobilized system of organic polymer with entrapted fungal biomass possessing high potential for heavy metal ions removing from mixed solutions.
Selected Publications of the Department -
Tsekova, K., Galabova, D. Phosphatase production and activity in copper (II) accumulating Rhizopus delemar, Enzyme and Microbial Technology, 2003, 33, 926-931.
-
Todorova, N., Ivanov, I., Hristov, A., Karamfilov, V. Application of Ardrea analysis for early warning of the effects of oil pollution in coastal marine ecosystems. Research into laboratory “Microcosm” model, Ecological engineering and environment protection, 2005, 3-4, 69-75.
-
Ianis, M., Tsekova, K., Vasileva, S. Copper biosorption by Penicillium cyclopium: equilibrium and modeling study, Biotechnol. and Biotechnol. Eq., 2006, 20, 1, 195-202.
-
Tsekova, K., Christova, D., Ianis M. Heavy metal biosorption sites in Penicillium cyclopium. J. Appl. Sci. Environ. Mgt., 2006, 10, 3, 117-121.
-
Tsekova, K., Ianis, M., Dencheva, V., Ganeva, S. Biosorption of Binary Mixtures of Cooper and Cobalt by Penicillium brevicompactum Zeitschrift fuer Naturforschung, 2007, 62c, 261-264.
-
Tsekova, K., Ianis, M., Ganeva, S. Biosorption of binary mixtures of copper and cobalt by Penicillium cyclopium biomass. Comptes rendus de l`Academie bulgare des Sciences, 2007, 60(1), 63-70.
-
Todorova, D., Nedeva, D., Abrashev, R., Tsekova, K. Cd (II) stress response during the growth of Aspergillus niger B 77. Journal of Applied Microbiology, 2008, 104, 178-184.
-
Christova, D., Tsekova, K., Ivanova, S., Todorova, D. Application of hybrid hydrogels of Penicillium cyclopium cells immobilized in polymer network for heavy metal ions uptake. Ecological Engineering and Environmental Protection, 2008, 4, 21-27.
-
Vassileva, S., Tsekova, K., Christova, D., Todorova, D. Intelligent software analyzer design for parameters evaluation of ternary heavy metal ions removal by immobilized fungal biomass. International Journal of Biomathematics, 2008 (in press).
-
Tsekova K., Christova, D., Todorova, D. and Ivanova, S. Biosorption of ternary mixture of heavy metals by entrapted in PVA – hydrogel biomass of Penicillium cyclopium. Comptes rendus de l’Academie bulgare des Sciences, 2008, 61(9), 1175 - 1180
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