Direct microbial production of 2,3-Butanediol from inulin by Bacillus velezensis R22 through the synergistic action of membrane and cytoplasmic inulinases

Authors: Armenova, Nadya ^a, Tsigoriyna, Lidia ^a, Petrova, Penka ^b, Petrov, Kaloyan ^{a, ⁎}

Source: In Bioresource Technology March 2025 419

Characterization of Runella zeae D-mannose 2-epimerase and its expression in Bacillus subtilis for D-mannose production from D-glucose

Authors: Wei, Yuhan, Xu, Wei, Zhang, Wenli, Petrova, Penka, Petrov, Kaloyan, Ni, Dawei, Mu, Wanmeng

Source: In Enzyme and Microbial Technology December 2024 181

Prebiotic Effects of α- and β-Galactooligosaccharides: The Structure-Function Relation.

Authors: Ignatova, Ina, Arsov, Alexander, Petrova, Penka, Petrov, Kaloyan

Source: Molecules; Feb2025, Vol. 30 Issue 4, p803, 25p

Subject Terms: OLIGOSACCHARIDES, RAFFINOSE, PRODUCTION methods, PROBIOTICS, LACTOBACILLUS

Bacterial Tolerance to 1-Butanol and 2-Butanol: Quantitative Assessment and Transcriptomic Response.

Authors: Arsov, Alexander, Petrova, Penka, Gerginova, Maria, Tsigoriyna, Lidia, Armenova, Nadya, Ignatova, Ina, Petrov, Kaloyan

Source: International Journal of Molecular Sciences; Dec2024, Vol. 25 Issue 24, p13336, 20p

Subject Terms: ESCHERICHIA coli, MICROBIOLOGICAL synthesis, FUEL quality, PETROLEUM as fuel, RNA-binding proteins

Microbial Conversion of Inulin to Valuable Products: The Biorefinery Concept.

Authors: Tsigoriyna, Lidia, Stefanov, Stefan, Armenova, Nadya, Petrova, Penka, Petrov, Kaloyan

Source: Fermentation (Basel); Dec2024, Vol. 10 Issue 12, p640, 27p

Subject Terms: MICROBIAL products, CIRCULAR economy, LACTIC acid, JERUSALEM artichoke, SUSTAINABLE development, BIOCONVERSION, INULIN, GLUTAMIC acid

Bacillus velezensis R22 inhibits the growth of multiple fungal phytopathogens by producing surfactin and four fengycin homologues.

Authors: Armenova, Nadya, Petrova, Penka, Gerginova, Maria, Krumova, Ekaterina, Kaynarov, Dimitar, Velkova, Lyudmila, Dolashka, Pavlina, Petrov, Kaloyan

Source: Biotechnology & Biotechnological Equipment; Dec2024, Vol. 38 Issue 1, p1-15, 15p

Subject Terms: WHOLE genome sequencing, BACILLUS licheniformis, PHYTOPATHOGENIC fungi, SURFACTIN, BACILLUS (Bacteria), PHYTOPHTHORA infestans

Inactivation of sacB Gene Allows Higher 2,3-Butanediol Production by Bacillus licheniformis from Inulin.

Authors: Gergov, Emanoel, Petrova, Penka, Arsov, Alexander, Ignatova, Ina, Tsigoriyna, Lidia, Armenova, Nadya, Petrov, Kaloyan

Source: International Journal of Molecular Sciences; Nov2024, Vol. 25 Issue 22, p11983, 15p

Subject Terms: GENE silencing, BACILLUS licheniformis, GENE knockout, BIOCHEMICAL substrates, BUSULFAN, INULIN

New Bacillus spp. with potential for 2,3-butanediol production from biomass

Authors: Petrova, Penka, Petlichka, Siana, Petrov, Kaloyan

Source: In Journal of Bioscience and Bioengineering July 2020 130(1):20-28

High production of acetoin from glycerol by Bacillus subtilis 35.

Authors: Tsigoriyna, Lidia¹, Petrova, Penka², Petrov, Kaloyan¹, kaloian04@yahoo.com

Source: Applied Microbiology & Biotechnology; Jan2023, Vol. 107 Issue 1, p175-185, 11p

New Bacillus spp. with potential for 2, 3-butanediol production from biomass

Authors: Petrova, Penka, Petlichka, Siana, Petrov, Kaloyan

Source: Journal of bioscience and bioengineering. 130(1):20-28

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100115539750.0x000001&indx=1&recIds=ETOCvdc_100115539750.0x000001

Bacterial Degradation of Antinutrients in Foods: The Genomic Insight.

Authors: Arsov, Alexander, Tsigoriyna, Lidia, Batovska, Daniela, Armenova, Nadya, Mu, Wanmeng, Zhang, Wenli, Petrov, Kaloyan, Petrova, Penka

Source: Foods; Aug2024, Vol. 13 Issue 15, p2408, 31p

Subject Terms: CHEMICAL properties, FOOD fermentation, POISONS, GLYCOSIDES, DATA protection, PHYTIC acid

The cell wall anchored β-fructosidases of Lactobacillus paracasei: Overproduction, purification, and gene expression control

Authors: Velikova, Petya, Petrov, Kaloyan, Petrova, Penka

Source: In Process Biochemistry January 2017 52:53-62

Microbial diversity and health-promoting properties of the traditional Bulgarian yogurt

Authors: Velikova, Petya, Petrov, Kaloyan, Lozanov, Valentin, Tsvetanova, Flora, Stoyanov, Anton, Wu, Zhengjun, Liu, Zhenmin, Petrova, Penka

Source: Biotechnology, biotechnological equipment. 32(5):1205-1217

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100106210202.0x000001&indx=1&recIds=ETOCvdc_100106210202.0x000001

Microbial production of 1-butanol — recent advances and future prospects

Authors: Tsvetanova, Flora, Petrova, Penka, Petrov, Kaloyan

Source: Journal of chemical technology and metallurgy. 53(4):683-696

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN617895649&indx=1&recIds=ETOCRN617895649

Strain Improvement and Microbial Biosynthesis.

Authors: Petrova, Penka, Petrov, Kaloyan

Source: Fermentation (Basel); Sep2024, Vol. 10 Issue 9, p443, 3p

Subject Terms: BIOCHEMICAL engineering, GENETIC engineering, MICROBIOLOGICAL synthesis, WHOLE genome sequencing, ESSENTIAL amino acids, TANNINS, XYLANASES, OPERONS

Cloning Systems in Bacillus : Bioengineering of Metabolic Pathways for Valuable Recombinant Products.

Authors: Arsov, Alexander, Armenova, Nadya, Gergov, Emanoel, Petrov, Kaloyan, Petrova, Penka

Source: Fermentation (Basel); Jan2024, Vol. 10 Issue 1, p50, 34p

Subject Terms: BACILLUS (Bacteria), MOLECULAR cloning, POINT mutation (Biology), BIOENGINEERING, GROWTH factors, BACILLUS amyloliquefaciens

How to outwit nature: Omics insight into butanol tolerance

Authors: Arsov, Alexander, Petrov, Kaloyan, Petrova, Penka

Source: Biotechnology advances. 46

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100120423949.0x000001&indx=1&recIds=ETOCvdc_100120423949.0x000001

Reference Values of Certain Serum Indicators of Liver Fibrosis

Authors: Pencheva, Blagovesta, Mihajlov, Rossen, Ruseva, Adelaida, Mitova, Rumyana, Petrov, Kaloyan, Taneva, Gergana, Genov, Jordan

Source: Clinical laboratory. 63(11/12):1793-1800

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN613937272&indx=1&recIds=ETOCRN613937272

Direct conversion of chicory flour into l(+)-lactic acid by the highly effective inulinase producer Lactobacillus paracasei DSM 23505

Authors: Petrova, Penka, Velikova, Petya, Popova, Luiza, Petrov, Kaloyan

Source: Bioresource technology. 186:329-333

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100066090326.0x000001&indx=1&recIds=ETOCvdc_100066090326.0x000001

Influence of pH on Inulin Conversion to 2,3-Butanediol by Bacillus licheniformis 24: A Gene Expression Assay.

Authors: Tsigoriyna, Lidia, Arsov, Alexander, Gergov, Emanoel, Petrova, Penka, Petrov, Kaloyan

Source: International Journal of Molecular Sciences; Sep2023, Vol. 24 Issue 18, p14065, 16p

Subject Terms: INULIN, BACILLUS licheniformis, GENE expression, BUSULFAN, CHICORY, HYDROLYSIS