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13 Results Found

  • Article
  • Open Access
21 Citations
4,504 Views
14 Pages

Novel Acinetobacter baumannii Myovirus TaPaz Encoding Two Tailspike Depolymerases: Characterization and Host-Recognition Strategy

  • Anastasia S. Shchurova,
  • Mikhail M. Shneider,
  • Nikolay P. Arbatsky,
  • Alexander S. Shashkov and ,
  • Alexander O. Chizhov,
  • Yuriy P. Skryabin,
  • Yulia V. Mikhaylova,
  • Olga S. Sokolova,
  • Andrey A. Shelenkov and
  • Anastasia V. Popova
  • + 7 authors+ 2 authors

25 May 2021

Acinetobacter baumannii, one of the most significant nosocomial pathogens, is capable of producing structurally diverse capsular polysaccharides (CPSs) which are the primary receptors for A. baumannii bacteriophages encoding polysaccharide-degrading...

(This article belongs to the Special Issue Phage-Host Interactions 2021)
  • Article
  • Open Access
16 Citations
3,780 Views
12 Pages

Unpuzzling Friunavirus-Host Interactions One Piece at a Time: Phage Recognizes Acinetobacter pittii via a New K38 Capsule Depolymerase

  • Rita Domingues,
  • Ana Barbosa,
  • Sílvio B. Santos,
  • Diana Priscila Pires and ,
  • Jonathan Save,
  • Grégory Resch,
  • Joana Azeredo and
  • Hugo Oliveira
  • + 3 authors+ 0 author

26 October 2021

Acinetobacter pittii is a species that belong to the Acinetobacter calcoaceticus-baumannii complex, increasingly recognized as major nosocomial bacterial pathogens, often associated with multiple drug-resistances. The capsule surrounding the bacteria...

(This article belongs to the Special Issue Development of Bacteriophage Derived Lysins and Depolymerases for Therapeutic Purposes in Combating Bacterial Pathogens)
  • Article
  • Open Access
24 Citations
4,244 Views
25 Pages

Friunavirus Phage-Encoded Depolymerases Specific to Different Capsular Types of Acinetobacter baumannii

  • Olga Y. Timoshina,
  • Anastasia A. Kasimova,
  • Mikhail M. Shneider,
  • Ilya O. Matyuta and ,
  • Alena Y. Nikolaeva,
  • Peter V. Evseev,
  • Nikolay P. Arbatsky,
  • Alexander S. Shashkov,
  • Alexander O. Chizhov and
  • Anastasia V. Popova
  • + 12 authors+ 7 authors

Acinetobacter baumannii is a critical priority nosocomial pathogen that produces a variety of capsular polysaccharides (CPSs), the primary receptors for specific depolymerase-carrying phages. In this study, the tailspike depolymerases (TSDs) encoded...

(This article belongs to the Special Issue Bacteriophage: Molecular Ecology and Pharmacology)
  • Article
  • Open Access
11 Citations
3,741 Views
25 Pages

New Obolenskvirus Phages Brutus and Scipio: Biology, Evolution, and Phage-Host Interaction

  • Peter V. Evseev,
  • Mikhail M. Shneider,
  • Lyubov V. Kolupaeva,
  • Anastasia A. Kasimova and ,
  • Olga Y. Timoshina,
  • Andrey V. Perepelov,
  • Anna M. Shpirt,
  • Andrey A. Shelenkov,
  • Yulia V. Mikhailova and
  • Anastasia V. Popova
  • + 8 authors+ 3 authors

8 February 2024

Two novel virulent phages of the genus Obolenskvirus infecting Acinetobacter baumannii, a significant nosocomial pathogen, have been isolated and studied. Phages Brutus and Scipio were able to infect A. baumannii strains belonging to the K116 and K82...

(This article belongs to the Special Issue Bacteriophage—Molecular Studies 5.0)
  • Article
  • Open Access
1 Citations
1,025 Views
20 Pages

Characterization of Novel Przondovirus Phage Adeo Infecting Klebsiella pneumoniae of the K39 Capsular Type

  • Nadezhda V. Kolupaeva,
  • Peter V. Evseev,
  • Victoria A. Avdeeva,
  • Angelika A. Sizova and ,
  • Natalia E. Suzina,
  • Nikolay V. Volozhantsev and
  • Anastasia V. Popova
  • + 2 authors+ 0 author

10 December 2025

Klebsiella pneumoniae is one of the most significant nosocomial pathogens and an important cause of human infections worldwide. The microorganism is capable of producing different capsular polysaccharides (CPSs), which are the primary receptors for c...

(This article belongs to the Section Bacterial Viruses)
  • Article
  • Open Access
78 Citations
8,916 Views
15 Pages

Phage φAB6-Borne Depolymerase Combats Acinetobacter baumannii Biofilm Formation and Infection

  • Md. Shahed-Al-Mahmud,
  • Rakesh Roy,
  • Febri Gunawan Sugiokto,
  • Md. Nazmul Islam and ,
  • Ming-Der Lin,
  • Ling-Chun Lin and
  • Nien-Tsung Lin
  • + 2 authors+ 0 author

Biofilm formation is one of the main causes of increased antibiotic resistance in Acinetobacter baumannii infections. Bacteriophages and their derivatives, such as tail proteins with depolymerase activity, have shown considerable potential as antibac...

(This article belongs to the Special Issue Development of Bacteriophage Derived Lysins and Depolymerases for Therapeutic Purposes in Combating Bacterial Pathogens)
  • Article
  • Open Access
2 Citations
1,311 Views
21 Pages

The N-Terminal Domain of Tailspike Depolymerases Affects the Replication Efficiency of Synthetic Klebsiella Phages

  • Ivan K. Baykov,
  • Ekaterina E. Mikhaylova,
  • Anna V. Miroshnikova,
  • Valeriya A. Fedorets and ,
  • Sofya A. Markova,
  • Tatyana A. Ushakova,
  • Vera V. Morozova and
  • Nina V. Tikunova
  • + 3 authors+ 0 author

22 November 2025

Bacteriophage receptor-binding proteins are often attached to the tail via a conserved N-terminal adapter/anchor domain, presumed to function independently from the distal receptor-binding/catalytic domain. Using synthetic phage technology, we demons...

(This article belongs to the Special Issue Exploring Phage–Host Interactions: Novel Findings and Perspectives)
  • Article
  • Open Access
2 Citations
2,170 Views
13 Pages

Structure of K102 Capsular Polysaccharide from Acinetobacter baumannii KZ-1102 and Its Cleavage by Phage Cato Depolymerase

  • Anastasia A. Kasimova,
  • Nikolay P. Arbatsky,
  • Ekaterina A. Gornostal,
  • Mikhail M. Shneider and ,
  • Eugene A. Sheck,
  • Alexander S. Shashkov,
  • Andrey A. Shelenkov,
  • Yulia V. Mikhailova,
  • Ilya S. Azizov and
  • Yuriy A. Knirel
  • + 10 authors+ 5 authors

Acinetobacter baumannii is a significant nosocomial pathogen characterized by the ability to produce a wide variety of capsular polysaccharides (CPSs). The structures of a K102-type CPS isolated from A. baumannii KZ-1102 and its Smith degradation pro...

(This article belongs to the Collection State-of-the-Art Macromolecules in Russia)
  • Article
  • Open Access
4 Citations
3,292 Views
33 Pages

Acinetobacter baumannii and Klebsiella pneumoniae Isolates Obtained from Intensive Care Unit Patients in 2024: General Characterization, Prophages, Depolymerases and Esterases of Phage Origin

  • Nadezhda V. Kolupaeva,
  • Lyubov V. Kolupaeva,
  • Peter V. Evseev,
  • Yuriy P. Skryabin and ,
  • Elena B. Lazareva,
  • Tatyana V. Chernenkaya,
  • Nikolay V. Volozhantsev and
  • Anastasia V. Popova
  • + 3 authors+ 0 author

26 April 2025

Acinetobacter baumannii and Klebsiella pneumoniae are significant nosocomial pathogens worldwide. In this study, the general characterization of A. baumannii and K. pneumoniae isolates obtained from the blood of intensive care unit patients of the mu...

(This article belongs to the Section Bacterial Viruses)
  • Article
  • Open Access
36 Citations
5,850 Views
20 Pages

The Specific Capsule Depolymerase of Phage PMK34 Sensitizes Acinetobacter baumannii to Serum Killing

  • Karim Abdelkader,
  • Diana Gutiérrez,
  • Agnieszka Latka,
  • Dimitri Boeckaerts and ,
  • Zuzanna Drulis-Kawa,
  • Bjorn Criel,
  • Hans Gerstmans,
  • Amal Safaan,
  • Ahmed S. Khairalla and
  • Yves Briers
  • + 7 authors+ 2 authors

The rising antimicrobial resistance is particularly alarming for Acinetobacter baumannii, calling for the discovery and evaluation of alternatives to treat A. baumannii infections. Some bacteriophages produce a structural protein that depolymerizes c...

(This article belongs to the Special Issue Development of Bacteriophage Derived Lysins and Depolymerases for Therapeutic Purposes in Combating Bacterial Pathogens)
  • Article
  • Open Access
5 Citations
1,836 Views
19 Pages

Replacement of the Genomic Scaffold Improves the Replication Efficiency of Synthetic Klebsiella Phages

  • Ivan K. Baykov,
  • Olga M. Kurchenko,
  • Ekaterina E. Mikhaylova,
  • Anna V. Miroshnikova and ,
  • Vera V. Morozova,
  • Marianna I. Khlebnikova,
  • Artem Yu. Tikunov,
  • Yuliya N. Kozlova and
  • Nina V. Tikunova
  • + 4 authors+ 0 author

In this study, the impact of the genomic scaffold on the properties of bacteriophages was investigated by swapping the genomic scaffolds surrounding the tailspike genes between two Przondovirus phages, KP192 and KP195, which infect Klebsiella pneumon...

(This article belongs to the Special Issue Exploring Phage–Host Interactions: Novel Findings and Perspectives)
  • Article
  • Open Access
15 Citations
4,255 Views
53 Pages

Lytic Capsule-Specific Acinetobacter Bacteriophages Encoding Polysaccharide-Degrading Enzymes

  • Peter V. Evseev,
  • Anastasia S. Sukhova,
  • Nikolay A. Tkachenko,
  • Yuriy P. Skryabin and
  • Anastasia V. Popova

13 May 2024

The genus Acinetobacter comprises both environmental and clinically relevant species associated with hospital-acquired infections. Among them, Acinetobacter baumannii is a critical priority bacterial pathogen, for which the research and development o...

(This article belongs to the Section Bacterial Viruses)
  • Article
  • Open Access
135 Citations
11,870 Views
17 Pages

Capsule-Targeting Depolymerase, Derived from Klebsiella KP36 Phage, as a Tool for the Development of Anti-Virulent Strategy

  • Grażyna Majkowska-Skrobek,
  • Agnieszka Łątka,
  • Rita Berisio,
  • Barbara Maciejewska and ,
  • Flavia Squeglia,
  • Maria Romano,
  • Rob Lavigne,
  • Carsten Struve and
  • Zuzanna Drulis-Kawa
  • + 4 authors+ 0 author

1 December 2016

The rise of antibiotic-resistant Klebsiella pneumoniae, a leading nosocomial pathogen, prompts the need for alternative therapies. We have identified and characterized a novel depolymerase enzyme encoded by Klebsiella phage KP36 (depoKP36), from the...

(This article belongs to the Special Issue Viruses of Microbes)