Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Katerina Stefanova"'
Autor:
Asya Asenova, Hristiyana Hristova, Stanimira Ivanova, Viliana Miteva, Ivelina Zhivkova, Katerina Stefanova, Penka Moncheva, Trayana Nedeva, Zoltan Urshev, Victoria Marinova-Yordanova, Tzveta Georgieva, Margarita Tzenova, Maria Russinova, Tzvetomira Borisova, Deyan Donchev, Petya Hristova, Iliyana Rasheva
Publikováno v:
Microorganisms, Vol 12, Iss 9, p 1839 (2024)
During the last few decades, the main focus of numerous studies has been on the human breast milk microbiota and its influence on the infant intestinal microbiota and overall health. The presence of lactic acid bacteria in breast milk affects both th
Externí odkaz:
https://doaj.org/article/24a6d8439623422d85c8514d8d5c5bc0
Autor:
Ralitsa Balkanska, Katerina Stefanova, Radostina Stoikova-Grigorova, Dessislava Gerginova, Svetlana Simova, Ivan Atanassov
Publikováno v:
Botanica Serbica, Vol 47, Iss 1, Pp 75-85 (2023)
Polyfloral honey samples from Bulgaria were subject to parallel analyses of their botanical origin and composition using traditional melissopalynology, DNAbarcoding based on the plastid rbcL gene and NMR analysis. The obtained datasets were compare
Externí odkaz:
https://doaj.org/article/3adf06c0f92b4adaaf6b78318a1bccc8
Autor:
Maya P. Stoyneva-Gärtner, Jean-Pierre Descy, Blagoy A. Uzunov, Peter Miladinov, Katerina Stefanova, Mariana Radkova, Georg Gärtner
Publikováno v:
Diversity, Vol 15, Iss 4, p 472 (2023)
The general awareness of the threats on biodiversity and water quality raised the number of studies that use phytoplankton in assessment procedures. Since most metrics require obtaining mean values, this paper presents data that may help speed up fie
Externí odkaz:
https://doaj.org/article/124523ecdcac44d4ba4b6a4acaa16609
Publikováno v:
Biotechnology & Biotechnological Equipment, Vol 34, Iss 1, Pp 384-394 (2020)
This paper presents results from the first application of molecular-genetic analysis combined with conventional light microscopy (LM) for identification of cylindrospermopsin (CYN) producers in field phytoplankton samples from Bulgaria. In total 68 c
Externí odkaz:
https://doaj.org/article/136acb5a32e847cdbe4d96b3441695a2
Publikováno v:
Toxins, Vol 14, Iss 11, p 778 (2022)
The paper presents the first proof of planktonic cyanoprokaryote genus Cuspidothrix as an anatoxin A (ATX) producer in Bulgarian wetlands. The results from polymerase chain reaction (PCR) obtained from two summer sampling campaigns in 26 selected lak
Externí odkaz:
https://doaj.org/article/1793267502c946039ecc44f261df4bc9
Autor:
Blagoy Uzunov, Katerina Stefanova, Mariana Radkova, Jean-Pierre Descy, Georg Gärtner, Maya Stoyneva-Gärtner
Publikováno v:
Toxins, Vol 13, Iss 7, p 448 (2021)
Bulgaria, situated on the Balkan Peninsula, is rich in small and shallow, natural and man-made non-lotic waterbodies, which are threatened by blooms of Cyanoprokaryota/Cyanobacteria. Although cyanotoxins in Bulgarian surface waters are receiving incr
Externí odkaz:
https://doaj.org/article/64c118c0e6364a4a8cfe31c3fa1464a4
Autor:
Maya Stoyneva-Gärtner, Katerina Stefanova, Jean-Pierre Descy, Blagoy Uzunov, Mariana Radkova, Vera Pavlova, Mariya Mitreva, Georg Gärtner
Publikováno v:
Applied Sciences, Vol 11, Iss 1, p 357 (2020)
The rising interest in harmful cyanoprokaryote blooms promotes an increase of phycological and ecological research on potentially toxic species and their hazardous substances. The present study aimed to identify the main microcystin (MC) producers an
Externí odkaz:
https://doaj.org/article/4c5a11ced2c047b7a4fe4c35fdfaacb8
Publikováno v:
Toxins, Vol 12, Iss 1, p 39 (2020)
The paper presents results from the first application of polyphasic approach in studies of field samples from Bulgaria. This approach, which combined the conventional light microscopy (LM) and molecular-genetic methods (based on PCR amplified fragmen
Externí odkaz:
https://doaj.org/article/cc7b0f3ecc964242921411baa1346d60
Autor:
Jean-Pierre Descy, Katerina Stefanova, Vera Pavlova, Mariya Mitreva, Georg Gärtner, Blagoy Uzunov, Maya Stoyneva-Gärtner, Mariana Radkova
Publikováno v:
Applied Sciences, Vol 11, Iss 357, p 357 (2021)
Stoyneva-Gärtner, M, Stefanova, K, DESCY, J-P, Uzunov, B, Radkova, M, Pavlova, V, Mitreva, M & Gärtner, G 2021, ' Microcystis aeruginosa and M. wesenbergii Were the Primary Planktonic Microcystin Producers in Several Bulgarian Waterbodies (August 2019) ', Applied Sciences (Switzerland), vol. 11, no. 1, 357, pp. 1-20 . https://doi.org/10.3390/app11010357
Applied Sciences
Volume 11
Issue 1
Stoyneva-Gärtner, M, Stefanova, K, DESCY, J-P, Uzunov, B, Radkova, M, Pavlova, V, Mitreva, M & Gärtner, G 2021, ' Microcystis aeruginosa and M. wesenbergii Were the Primary Planktonic Microcystin Producers in Several Bulgarian Waterbodies (August 2019) ', Applied Sciences (Switzerland), vol. 11, no. 1, 357, pp. 1-20 . https://doi.org/10.3390/app11010357
Applied Sciences
Volume 11
Issue 1
The rising interest in harmful cyanoprokaryote blooms promotes an increase of phycological and ecological research on potentially toxic species and their hazardous substances. The present study aimed to identify the main microcystin (MC) producers an
Autor:
Katerina Stefanova, Georg Gärtner, Blagoy Uzunov, Maya Stoyneva-Gärtner, Jean-Pierre Descy, Mariana Radkova
Publikováno v:
Botanica. :77-94
The summer phytoplankton structure of ten Bulgarian waterbodies was studied by HPLC analysis of marker pigments, light microscopy (LM) and PCR amplification of mcyB and mcyE gene sequences. The aim was to detect biodiversity and spread of toxigenic s