Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Violeta Valcheva"'
Autor:
Igor Mokrousov, Anna Vyazovaya, Egor Shitikov, Maria Badleeva, Olesya Belopolskaya, Dmitry Bespiatykh, Alena Gerasimova, Panayotis Ioannidis, Weiwei Jiao, Polina Khromova, Aleksey Masharsky, Dinara Naizabayeva, Dimitrios Papaventsis, Oksana Pasechnik, João Perdigão, Nalin Rastogi, Adong Shen, Viacheslav Sinkov, Yuriy Skiba, Natalia Solovieva, Silva Tafaj, Violeta Valcheva, Irina Kostyukova, Svetlana Zhdanova, Viacheslav Zhuravlev, Oleg Ogarkov
Publikováno v:
BMC Infectious Diseases, Vol 23, Iss 1, Pp 1-11 (2023)
Abstract Background . The Mycobacterium tuberculosis Beijing genotype is globally spread lineage with important medical properties that however vary among its subtypes. M. tuberculosis Beijing 14717-15-cluster was recently discovered as both multidru
Externí odkaz:
https://doaj.org/article/b4323bb60b4e4282aa0b379367bd0c07
Autor:
Violeta Valcheva, Claudia Perea, Tanya Savova-Lalkovska, Albena Dimitrova, Lukasz Radulski, Igor Mokrousov, Krustyu Marinov, Hristo Najdenski, Magdalena Bonovska
Publikováno v:
BMC Veterinary Research, Vol 18, Iss 1, Pp 1-12 (2022)
Abstract Background This study aimed to characterize recent Mycobacterium bovis/M. caprae isolates from Bulgaria by whole-genome sequencing (WGS) to gain a first insight into their molecular diversity, transmission, and position within the global phy
Externí odkaz:
https://doaj.org/article/b06c7767eef84c1fbf4c91d84d8caa0d
Autor:
Simeon Dimitrov, Ivaylo Slavchev, Rumyana Simeonova, Milka Mileva, Tania Pencheva, Stanislav Philipov, Almira Georgieva, Elina Tsvetanova, Yoanna Teneva, Nadezhda Rimpova, Georgi Dobrikov, Violeta Valcheva
Publikováno v:
Biomolecules, Vol 13, Iss 8, p 1174 (2023)
Tuberculosis (TB) remains a widespread infectious disease and one of the top 10 causes of death worldwide. Nevertheless, despite significant advances in the development of new drugs against tuberculosis, many therapies and preventive measures do not
Externí odkaz:
https://doaj.org/article/903f4a44d95942858794c0a0543a664f
Publikováno v:
Pharmaceuticals, Vol 16, Iss 4, p 484 (2023)
Tuberculosis is an extremely serious problem of global public health. Its incidence is worsened by the presence of multidrug-resistant (MDR) strains of Mycobacterium tuberculosis. More serious forms of drug resistance have been observed in recent yea
Externí odkaz:
https://doaj.org/article/1b7a43e5052e433d85d0eb98ad7192e4
Autor:
Daria Terentieva, Tanya Savova-Lalkovska, Albena Dimitrova, Magdalena Bonovska, Igor Mokrousov, Violeta Valcheva
Publikováno v:
Diagnostics, Vol 13, Iss 4, p 771 (2023)
The aim of this study was to assess the diversity of minisatellite VNTR loci in Mycobacterium bovis/M. caprae isolates in Bulgaria and view their position within global M. bovis diversity. Forty-three M. bovis/M. caprae isolates from cattle in differ
Externí odkaz:
https://doaj.org/article/85d8637ae7754dc69c2efd259e374291
Autor:
Violeta Valcheva, Rumyana Simeonova, Milka Mileva, Stanislav Philipov, Reneta Petrova, Simeon Dimitrov, Almira Georgieva, Elina Tsvetanova, Yoana Teneva, Violina T. Angelova
Publikováno v:
Pharmaceutics, Vol 15, Iss 1, p 79 (2022)
The emergence and spread of Mycobacterium tuberculosis strains resistant to many or all anti-tuberculosis (TB) drugs require the development of new compounds both efficient and with minimal side effects. Structure-activity-toxicity relationships of s
Externí odkaz:
https://doaj.org/article/29615c1dbe9c4d12afec9b90c194a3e4
Autor:
Igor Mokrousov, Ivaylo Slavchev, Natalia Solovieva, Marine Dogonadze, Anna Vyazovaya, Violeta Valcheva, Aleksey Masharsky, Olesya Belopolskaya, Simeon Dimitrov, Viacheslav Zhuravlev, Isabel Portugal, João Perdigão, Georgi M. Dobrikov
Publikováno v:
Pharmaceuticals, Vol 15, Iss 9, p 1136 (2022)
We performed synthesis of new nitrofuranyl amides and investigated their anti-TB activity and primary genetic response of mycobacteria through whole-genome sequencing (WGS) of spontaneous resistant mutants. The in vitro activity was assessed on refer
Externí odkaz:
https://doaj.org/article/dfe2d0d6f8744416ae081ad8f58b94f8
Autor:
Violina T. Angelova, Tania Pencheva, Nikolay Vassilev, Elena K-Yovkova, Rositsa Mihaylova, Boris Petrov, Violeta Valcheva
Publikováno v:
Antibiotics, Vol 11, Iss 5, p 562 (2022)
Fifteen 4-methyl-1,2,3-thiadiazole-based hydrazone derivatives 3a–d and sulfonyl hydrazones 5a–k were synthesized. They were characterized by 1H-NMR, 13C NMR, and HRMS. Mycobacterium tuberculosis strain H37Rv was used to assess their antimycobact
Externí odkaz:
https://doaj.org/article/bec4c4c69ea34f0db031b0bbee7cda2c
Autor:
Ralitsa Chimshirova, Milena Popova, Amina Chakir, Violeta Valcheva, Simeon Dimitrov, Boryana Trusheva, Abderrahmane Romane, Vassya Bankova
Publikováno v:
Molecules, Vol 27, Iss 7, p 2206 (2022)
The chemical composition and antimicrobial activity of propolis from a semi-arid region of Morocco were investigated. Fifteen compounds, including triterpenoids (1, 2, 7–12), macrocyclic diterpenes of ingol type (3–6) and aromatic derivatives (13
Externí odkaz:
https://doaj.org/article/539d27e691b44a7a910ec6bb8b4b11da
Autor:
Milka Mileva, Yana Ilieva, Gabriele Jovtchev, Svetla Gateva, Maya Margaritova Zaharieva, Almira Georgieva, Lyudmila Dimitrova, Ana Dobreva, Tsveta Angelova, Nelly Vilhelmova-Ilieva, Violeta Valcheva, Hristo Najdenski
Publikováno v:
Biomolecules, Vol 11, Iss 1, p 127 (2021)
Plants from the Rosacea family are rich in natural molecules with beneficial biological properties, and they are widely appreciated and used in the food industry, perfumery, and cosmetics. In this review, we are considering Rosa damascena Mill., Rosa
Externí odkaz:
https://doaj.org/article/d232db1f079443d4ac3d81d7d8e13d1d