Софийски университет "Св. Климент Охридски"

Professional Development:

2020: Head of the Department of Biophysics and Radiobiology, Faculty of Biology, Sofia University "St. Kliment Ohridski”, Sofia

2017 - 2020: Head of the Master's Program in Biophysics

2011: Associate Professor of Biophysics, Department of Biophysics and Radiobiology, Faculty of Biology, Sofia University "St. Kliment Ohridski”, Sofia

1996 - 2011: Consecutive assistant and chief assistant Institute of Plant Physiology "Acad. Metodiy Popov” (now: Institute of Plant Physiology and Genetics), BAS, Sofia

1996: Doctor, Institute of Plant Physiology "Acad. Methodius Popov"

(now: Institute of Plant Physiology and Genetics), BAS, Sofia

1992 - 2011: Part-time assistant in biophysics

Faculty of Biology, Sofia University "St. Kliment Ohridski”, Sofia

1989 - 1990: Master's degree in Biophysics, professional qualification Biochemistry and Microbiology - Master's degree in Biophysics and Radiobiology, Sofia University "St. Kliment Ohridski”, Sofia

1985 - 1988: Bachelor, "Biochemistry and Microbiology", professional qualification Biochemistry and Microbiology, Sofia University "St. Kliment Ohridski”, Sofia

1979 - 1982: High School, PG "Neofit Rilski", Kyustendil

Teaching experience:

1. Biophysics and Radiobiology - compulsory bachelor's course (lectures and exercises in molecular biology), Faculty of Biology

2. Biophysics and Radiobiology - compulsory bachelor's course (lectures and exercises in biology), Faculty of Biology

3. Biophysics - compulsory bachelor's course (lectures and exercises in agrobiotechnology), Faculty of Biology

4. Biophysics - compulsory master's course (lectures and exercises in pharmacy), part of the course in Physics and Biophysics, Faculty of Chemistry and Pharmacy

5. Biophysics - compulsory master's course (lectures and exercises in pharmacy for foreign students in English), part of the course in Physics and Biophysics, Faculty of Chemistry and Pharmacy

6. Plant Biophysics - elective bachelor's course (lectures and exercises in molecular biology)

7. Biophysics of evolution and morphogenesis - elective bachelor's course (lectures and exercises in molecular biology)

8. Biophysical methods - compulsory master's course (exercises for the master's program Biophysics)

9. Plant biophysics - non-invasive biophysical methods in plant biology - elective master's course (lectures and seminars for the master's program Biophysics)

10. Synergetics - elective master's course (lectures and seminars for master's program Biophysics)

11. Imaging techniques in biology, medicine and agro-sciences - elective master's course (lectures and seminars for master's program Biophysics)

12. Imaging techniques in biology, medicine and agro-sciences - elective master's course (lectures and seminars for the master's program Animal and Human Physiology)

13. Imaging techniques in biology, medicine and agricultural sciences - elective master's course (lectures and seminars for the master's program Animal and Human Physiology - for non-specialists)

14. Biophysics of stress - elective PhD course.

Research projects:

1. With international participation:

▪ JRP Science Cooperation between East Europe and Switzerland (SCOPES) - Prof. Reto Strasser, University of Geneva, Geneva, Switzerland (completed 2003) Heat-induced changes in susceptibility of PS2 to carbamide / triazine and phenol type herbicides as assessed by chlorophyll fluorescence (prompt and delayed) methods. Number of the JRP № 7BUPJ062408.00 / 1 Starting date, duration of the JRP Intended duration - 36 months, actual - 40 months (from 1 August 2000 to 30 November 2003). Names of co-ordinator and the leaders of the partner teams including institutions and cities Co-ordinator: Reto Jorg Strasser, University of Geneva, Laboratory of Bioenergetics, CH-1254 Jussy-Geneva, Switzerland; Leader of the partner team: Vassilij Nikolaevich Goltsev, University of Sofia, Faculty of Biology, Department of Biophysics and Radiobiology, 8, Dragan Tzankov Blvd., 1164 Sofia, Bulgaria

▪ JRP between BAS and the Academy of Sciences of the Czech Republic, headed by Assoc. Prof. Dr. Kalina Ananieva (from the Bulgarian side) and Prof. Miroslav Kamínek (Czech Republic) for the period 2006 - 2008. Topic: Cytokinin metabolism and gene expression during induced senescence and subsequent recovery in cotyledons of Cucurbita pepo (zucchini)

▪ JRP between BAS and the Czech Academy of Sciences, headed by Dr. Lyubomira Atanasova (from the Bulgarian side) and Doc. Radomira Vankova (from the Czech side) for the period 2008 - 2010. Topic: Changes in phytochormonal content in plants under abiotic stress.

2. Research projects to institutions in Bulgaria

▪ MU-BM-18/96 Prof. Dr. D. Stefanov (completed 1999)

▪ K-408 Director Prof. D. Yordanov (completed in 1998)

▪ K-505 RL Assoc. Prof. Dr. V. Goltsev (completed in 1998)

▪ K-603 Prof. Dr. Ts. Tsonev (completed in 2001)

▪ “The damaging effect of drought and ecological stability in plants studied within the thermodynamics of open systems and a model based on non-invasive biophysical methods”, funded by the Research Fund at the Ministry of Education and Science, ent. № TO 02-137 from 15.12.2008. Leader: Prof. Vasiliy Goltsev (Sofia University St. Kliment Ohridski).

▪ “Biotechnological approaches for increasing the resistance of key for Bulgarian agriculture cultivated plants against the root parasites from the group of the blue wrist (Orobanche spp.)”, Financed by the Scientific Research Fund at the Ministry of Education and Science, ent. № TO-02-204. Supervisor: Assoc. Prof. Iliya Denev (PU Paisii Hilendarski).

▪ “Monitoring and ecological assessment of the soil-water-flora components in degraded soils in the development of programs for sustainable land management” funded by the Research Fund at the Ministry of Education and Science, ent. № TK_09_0215, Head Assoc. Prof. N. Dinev (Institute of Soil Science ‘N. Pushkarov’ - Sofia).

▪ Competition “Financing of a research project in support of doctoral students at Sofia University “St. Kliment Ohridski ”2012 - 2013“Influence of drought on the dynamics of the stress response of the photosynthetic apparatus” directed by Assoc. Prof. Detelin Stefanov

Reviewer activities:

1. Reviews for International journals:

Acta Physiologiae Plantarum

African Journal of Botany

Analytical and Bioanalytical Chemistry

Annals of Applied Biology

Chilean Journal of Agricultural Research

Clean - Soil, Air, Water

Journal of Agronomy and Crop Science

Plant and Cell Physiology

Plant Biology

Plant Growth Regulation

Plant Physiology and Biochemistry Weed Research

PLOS ONE

South African Journal of Botany

2. Reviews for Bulgarian journals:

Comptes rendus de l'Academie bulgare des Sciences

Gen Appl Physiol (Formerly Bulg. J Plant Physiol)

Journal of Bioscience and Biotechnology

Membership in scientific organizations

Since 2017: DAAD Alumni Network

Since 2004: JSPS Alumni Network

Since 2002: Japan Society Plant Physiology

Membership in administrative organizations:

Since 2016: Scientific Commission of the Faculty of Biology

Since 2014: Commission for education for the specialties Biology, Ecology and Environmental Protection and Biomanagement of Sofia University “St. Kliment Ohridski”

Since 2011: Expert in evaluation and accreditation at the National Fund Science and Investigation of Bulgaria

Participation in the activities of the academic community:

1. Participation in scientific juries for:

Academic positions - 2;

Participation in habilitations - 10;

For conducting competitions for assistants at Sofia University for each participation as a member of the jury - 3;

2. Review of a monograph, textbook or textbook at an academic publishing house - 2.

Research interests:

See Main scientific interests Stefanov

Co-authorship of books and book chapters

1. Dimitrova M, Stefanova M, Koleva D, Kostov K, Yordanova Z, Stefanov D, Berkov S, Kapchina-Toteva V, Zhiponova M (2015) Adaptive changes in white dead nettle leaves during micropropagation. LAP LAMBERT Academic Publishing, Saarbrucken, Germany, ISBN 978-3-659-75930-7

2. Denev, I., Stefanov, D., Gevezova, M., Kirilova, I., Georgieva, K., Kurteva, M., and Panayotova, G. (2014) Stress Tolerance in Some European Resurrection Plants, Haberlea rhodopensis and Ramonda sp.), 585 - 603, Published in: Mohammad Pessarakli (Ed.) Handbook of Plant and Crop Physiology, Third Edition (Books in Soils, Plants, and the Environment). 1031 Pp CRC Press

Selected publications - - IF (Webb of Science), Q index (Scimago JR):

1. Stefanov, D., Yordanov I. Moskovski P. (1995) High performance liquid chromatography separation of xanthophylls isolated from barley (Hordeum vulgare L.) leaves. Bulg Chem Commun, 28, 119 - 123 ISSN 08619808 IF 0.238 – 2016 Q4 for 2009
2. Stefanov, D., Yordanov I. (1995) High performance liquid chromatography separation of xanthophylls isolated from barley leaves with semi-preparative reversed phase column. Compt Rend Bulg Acad Sci, 47, 61 - 63. ISSN 13101331 IF 0.321 – 2018 Q3 for 2003
3. Stefanov, D., Yordanov I., Tsonev T. (1996) Effect of thermal stress combined with different irradiance on some photosynthetic characteristics on barley (Hordeum vulgare L.) plants. Photosynthetica, 32, 171 - 181 ISSN: 0300-3604 E-ISSN: 1573-9058 IF 1.740 – 2017 Q3 for 1999
4. Christov I., Stefanov D., Goltsev V. and Abracheva P. (2001) Effects of grapevine fanleaf and stem pitting virusses on the photosynthetic activity of grapevine plants grown in vitro. Russ J Plant Physiol, 48, 473 – 477. Translated from Phyziologiya rastenii, 48, 551 – 555 (in Russian). ISSN: 1021-4437 E-ISSN: 1608-3407 IF 0.816 – 2017 Q3 for 2001
5. 5. Yordanov, I., Georgieva, K., Velikova, V., Tsonev, T., Merakchiiska, M., Paunova, S., Stefanov, D. (2001) Response of photosynthetic apparatus of different wheat genotypes to drought stress. I. Laboratory experiments under controlled light and temperature conditions. Comp Rend Bulg Acad Sci, 54, 47-51. ISSN 1310-1331 IF 0.321 – 2018 Q2 for 2003
6. Atanassova L., Stefanov D., Yordanov I., Kornova K., Kavardjikov L. (2003) Comparative characteristics of growth and photosynthesis of sun and shade leaves from normal and pendulum walnut (Juglans regia L.) trees. Photosynthetica, 41, 289-293. ISSN: 0300-3604 E-ISSN: 1573-9058 IF 1.740 – 2017 Q3 for 2003
7. Kapchina V., Milanov G., Zankov A., Stefanov D., Goltsev V. and Batchvarova R. (2004) The changes in some photosynthetic characteristics of transgenic tobacco plants, resistant to bacteria Pseudomonas syringae pv. tabaci. Biotechnol. & Biotechnol Eq, 18, 74-84. ISSN 1310-2818 IF 0.760 – 2012 Q3 for 2004
8. Georgieva K., Maslenkova L., Peeva V., Markovska Y., Stefanov D. and Tuba Z. (2005) Comparative study on the changes in photosynthetic activity of the homoiochlorophyllous desiccation tolerant Haberlea rhodopensis and spinach leaves during desiccation Photosynth. Res 85 (2), 191 – 203. ISSN: 0166-8595 E-ISSN: 1573-5079 IF 3.091 – 2017 Q2 for 2005
9. Denev I., Yahubyan G., and Stefanov D. (2005) Synthesis of chlorophyll in leaves of Haberlea rhodopensis (Friv.) during prolonged darkening. Compt Rend Bulg Acad Sci, 58, 1429 – 1432. ISSN 1310-1331 IF 0.321 – 2018 Q3 for 2003
10. 10. Christov I., Stefanov D., Velinov T., Goltsev V., Georgieva K., Abracheva P., Genova Y., Christov N. (2007) The symptomless leaf infection with grapevine leafroll associated virus 3 in grown in vitro plants as a simple model system for investigation of viral effects on photosynthesis. J. Plant Physiol. 164, 1124 – 1133. ISSN: 0176-1617 IF 2.835 – 2018 Q1 for 2007
11. Velikova V., Loreto F., Brilli F., Stefanov D., and Yordanov I. (2008) Characterization of juvenile and adult leaves of Eucalyptus globulus showing distinct heteroblastic development: photosynthesis and volatile isoprenoids. Plant Biol. 10: 55-64. E-ISSN: 1438-8677 IF 2.320 – 2012 IF 2.156 – 2017 Q1 for 2008
12. Stefanov D and Terashima I. (2008) Non-photochemical loss in photosystem II in high and low light grown leaves of Vicia faba quantified by several fluorescence parameters including LNP, F0/Fm’, a novel parameter. Physiol. Plant. 133: 327-338 E-ISSN: 1399-3054 IF 3.656 – 2012 IF 3.000 – 2018 Q1 for 2008
13. Yordanov, I., Goltsev, V., Stefanov, D., Chernev, P., Zaharieva, I., Kirova, M., Gecheva, V., Strasser, R.J. (2008) Preservation of photosynthetic electron transport from senescence-induced inactivation in primary leaves after decapitation and defoliation of bean plants. Journal of Plant Physiology 165: 1954-1963 ISSN: 0176-1617 IF 2.835 – 2018 Q1 for 2008
14. 14. Stefanov D, Popatanassova D, Christov Ch (2008) Response of photosynthesis in cherry leaves after wounding and treatment with methylester of jasmonic acid Compt Rend Bulg Acad Sci, 61, 747 – 752. ISSN 1310-1331 IF 0.321 – 2018 Q2 for 2008
15. Rodeva, R., Ivanova, B., Stoyanova, Z., Stefanov, D. and Manеva, S. (2009) Resistance components to Septoria lycopersici in tomato. Acta Hort. (ISHS) 808:45-50 ISSN 0567-7572 no IF Q3 for 2009
16. Mishev K., Stefanov D., Ananieva K., Slavov Ch., and Ananiev E. (2009) Different effects of dark treatment on pigment composition and photosystem I and II activities in intact cotyledons and primary leaves of Cucurbita pepo (zucchini). Plant Growth Regul 58:61–71 DOI 10.1007/s10725-008-9352-x ISSN: 0167-6903 E-ISSN: 1573-5087 IF 2.081 – 2017 Q1 for 2009
17. Dankov, K., Busheva, M., Stefanov, D., Apostolova, E.L. (2009) Relationship between the degree of carotenoid depletion and function of the photosynthetic apparatus. Journal of Photochemistry and Photobiology B: Biology 96 (1), pp. 49-56 ISSN: 1011-1344 IF 4.067 – 2017 Q2 for 2009
18. Lazova, G., Naidenova, N., Ignatova, L., Stefanov, D. (2009) A pea mutant (costata) expressing higher activity in thylakoid membrane-bound carbonicanhydrase alters PSII downregulation mechanisms. Cell Biology International 165 (18), pp. 1954-1963 DOI: 10.1016/j.jplph.2008.05.003 ISSN 1065-6995 E-ISSN 1095-8355 IF 2.127 – 2018 Q1 for 2009
19. T., Naydenov, Y., Dandolov, I., Stefanov, D. (2010) Plant experiments with light-emitting diode module in Svet space greenhouse Advances in Space Research 46 (7), 840-845 doi:10.1016/j.asr.2010.05.009 ISSN: 0273-1177 IF 1.746 – 2018 Q1 for 2010
20. Stefanov, D., Petkova, V., Denev, I.D. (2011) Screening for heat tolerance in common bean (Phaseolus vulgaris L.) lines and cultivars using JIP-test. Scientia Horticulturae 128 (1), pp. 1-6 doi:10.1016/j.scienta.2010.12.003 ISSN: 0304-4238 1177 IF 1.961 – 2018 Q1 for 2011
21. Georgieva, K., Ivanova, A., Doncheva, S., Petkova, S., Stefanov, D., Péli, E., Tuba, Z. (2011) Fatty acid content during reconstitution of the photosynthetic apparatus in the air-dried leaves of Xerophyta scabrida after rehydration. Biologia Plantarum 55 (3), pp. 581-585 DOI: 10.1007/s10535-011-0130-7 SSN: 0006-3134 E-ISSN: 1573-8264 IF 1.424 – 2018 Q1 for 2011
22. Ananieva, K., Ananiev, E.D., Doncheva, S., Stefanov, D., Mishev, K., Kamínek, M., Motyka, V., Dobrev P., Malbeck, J. (2011) Local induction of senescence by darkness in Cucurbita pepo (zucchini) cotyledons or the primary leaf induces opposite effects in the adjacent illuminated organ. Plant Growth Regulation, 65 (3), pp. 459-471 DOI: 10.1007/s10725-011-9616-8 ISSN: 0167-6903 E-ISSN: 1573-5087 IF 2.081 – 2017 Q1 for 2011
23. Stefanov, D., Stoimenova, E., Marinova, G., Ivanova, B., Edreva, A. (2012) Accelerated leaf senescence takes part in enhanced resistance in cucumber mosaic virus inoculated pepper leaves. Acta Physiologiae Plantarum 34(1), 181-190. DOI 10.1007/s11738-011-0816-7 ISSN: 0137-5881 E-ISSN: 1861-1664 IF 1.438 – 2017 Q2 for 2012
24. Goltsev, V., Zaharieva, I., Chernev, P., Kouzmanova, M., Kalaji, H.M., Yordanov, I., Krasteva, V., Alexandrov V., Stefanov D., Allakhverdiev S., Strasser, R.J. (2012) Drought-induced modifications of photosynthetic electron transport in intact leaves: Analysis and use of neural networks as a tool for a rapid non-invasive estimation. Biochimica et Biophysica Acta - Bioenergetics 1817 (8) , pp. 1490-1498 doi:10.1016/j.bbabio.2012.04.018 ISSN: 0005-2728 IF 4.624 – 2012 Q1 for 2012
25. 25. Denev, I., Stefanov, D., Terashima, I. (2012) Preservation of integrity and activity of Haberlea rhodopensis photosynthetic apparatus during prolonged light deprivation Physiologia Plantarum 146 (1), pp. 121-128 doi:10.1111/j.1399-3054.2012.01608.x E-ISSN: 1399-3054 IF 3.656 – 2012 Q1 for 2012
26. Stefanov, D., Georgieva, K., Ananieva, K., Doncheva, S., Mitova, I., Dinev, N. (2012) Rapid screening of soil contamination by using tomato plants as bioindicators. a pulse amplitude modulation fluorescence study. Comptes Rendus de L'Academie Bulgare des Sciences 65 (10) , pp. 1461-1466 ISSN 1310-1331 IF 0.211 – 2012 Q2 for 2012
27. 27. Stefanov D., Petkova D., Marinova D., Panayotova G., Kapchina V., and Molle E. (2013) Photosynthetic characteristics of multifoliolate alfaalfa leaves. Comptes Rendus de L'Academie Bulgare des Sciences 66 (7) , pp. 1013-1017 ISSN 1310-1331 IF 0.211 – 2012 Q2 for 2013
28. Krasteva, V., V. Alexandrov, M. Chepisheva, S. Dambov, D. Stefanov, I. Yordanov and V. Goltsev (2013) Drought induced damages of photosynthesis in bean and plantain plants analyzed in vivo by chlorophyll a fluorescence. Bulg. J. Agric. Sci., Supplement 2, 19: 39–44 ISSN 1310-0351 IF 0.189 – 2012 Q3 for 2013
29. Stefanov, D., Ananieva, K., Gesheva, E., Dinev N., Nikova I., Vasilev, A., Doncheva, S. (2014) PTOX-dependent electron flow is involved in photosynthetic electron transport protection against heavy metal toxicity in sunflower leaves. Comptes Rendus de L'Academie Bulgare des Sciences 67 (7), 931-936 IF: 0.198 (2013) Q3 for 2014
30. Kapchina-Toteva V, Dimitrova MA, Stefanova M, Koleva D, Kostov K, Yordanova ZhP, Stefanov D., Zhiponova MK (2014) Adaptive changes in photosynthetic performance and secondary metabolites during white dead nettle micropropagation. Journal of Plant Physiology 171 1344–1353 IF 2.770 – 2013 Q1 for 2014
31. Dragolova, D., Dimitrova, M., Stefanov, D., (...), Goltsev, V., Kapchina, V. (2015) Long-time adaptive changes in photosynthetic electron transport in leaves of catmint (Nepeta nuda ssp. nuda, L.) micropropagated plants after their transfer to the field. Comptes Rendus de L'Academie Bulgare des Sciences 68 (7), 863-870 IF: 0.284 (2014) Q3 for 2015
32. Goleva A., E. Molle, D. Stefanov, G. Kostov (2015) Coordination of PICUS model formats in R language for population dynamics in forest based on changes in single morphological parameter. Journal of Environmental Protection and Ecology 16, (2), 690–698 IF: 0.838 (2014) Q3 for 2015
33. Stefanov, D., Milanov, G., Lambrev, P., (...), Goltsev, V., Kapchina, V. (2018) Delayed fluorescence measurements show increased S2 Q−b charge recombination in PS2 of tobacco pigment-deficient aurea mutant. Comptes Rendus de L'Academie Bulgare des Sciences 71(8), pp. 1052-1061. IF: 0.321 – 2018 Q2 for 2018

Full list of publications and citations - see System Authors

Contacts:

Email: detelin@biofac.uni-sofia.bg detelin@gbg.bg

Tel: + 359 2 8161389

SU "St. K. Ohridski”, Faculty of Biology

8 Dragan Tsankov Blvd., 1164 Sofia