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  1. Article: Comparison of Oral Microbial Composition and Determinants Encoding Antimicrobial Resistance in Dogs and Their Owners.

    Šakarnytė, Laura / Šiugždinienė, Rita / Žymantienė, Judita / Ruzauskas, Modestas

    Antibiotics (Basel, Switzerland)

    2023  Volume 12, Issue 10

    Abstract: Consolidated studies on animal, human, and environmental health have become very important for understanding emerging zoonotic diseases and the spread of antimicrobial resistance (AMR). The aim of this study was to analyse the oral microbiomes of healthy ...

    Abstract Consolidated studies on animal, human, and environmental health have become very important for understanding emerging zoonotic diseases and the spread of antimicrobial resistance (AMR). The aim of this study was to analyse the oral microbiomes of healthy dogs and their owners, including determinants of AMR. Shotgun metagenomic sequencing detected 299 bacterial species in pets and their owners, from which 70 species were carried by dogs and 229 species by humans. Results demonstrated a unique microbial composition of dogs and their owners. At an order level, Bacteroidales were the most prevalent oral microbiota of dogs with significantly lower prevalence in their owners where Actinomycetales and Lactobacillales predominated.
    Language English
    Publishing date 2023-10-20
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2681345-2
    ISSN 2079-6382
    ISSN 2079-6382
    DOI 10.3390/antibiotics12101554
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  2. Article: Development of Antibacterial Cotton Textiles by Deposition of Fe

    Giedraitienė, Agnė / Ružauskas, Modestas / Šiugždinienė, Rita / Tučkutė, Simona / Grigonis, Kastytis / Milčius, Darius

    Nanomaterials (Basel, Switzerland)

    2023  Volume 13, Issue 24

    Abstract: Antibacterial textiles can help prevent infections from antimicrobial-resistant pathogens without using antibiotics. This work aimed to enhance the cotton fabric's antimicrobial properties by depositing ... ...

    Abstract Antibacterial textiles can help prevent infections from antimicrobial-resistant pathogens without using antibiotics. This work aimed to enhance the cotton fabric's antimicrobial properties by depositing Fe
    Language English
    Publishing date 2023-12-09
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662255-5
    ISSN 2079-4991
    ISSN 2079-4991
    DOI 10.3390/nano13243106
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  3. Article ; Online: Novel Antibiotic Resistance Genes Identified by Functional Gene Library Screening in

    Klimkaitė, Laurita / Ragaišis, Ignas / Krasauskas, Renatas / Ružauskas, Modestas / Sužiedėlienė, Edita / Armalytė, Julija

    International journal of molecular sciences

    2023  Volume 24, Issue 7

    Abstract: As one of the most diverse habitats of microorganisms, soil has been recognised as a reservoir of both antibiotics and the antibiotic resistance genes (ARGs). Bacteria naturally inhabiting soil or water often possess innate ARGs to counteract the ... ...

    Abstract As one of the most diverse habitats of microorganisms, soil has been recognised as a reservoir of both antibiotics and the antibiotic resistance genes (ARGs). Bacteria naturally inhabiting soil or water often possess innate ARGs to counteract the chemical compounds produced by competitors living in the same environment. When such bacteria are able to cause infections in immunocompromised patients, their strong innate antibiotic resistance mechanisms make treatment difficult. We generated functional gene libraries using antibiotic-resistant
    MeSH term(s) Humans ; Anti-Bacterial Agents/pharmacology ; Stenotrophomonas maltophilia/genetics ; Chryseobacterium/genetics ; Soil ; Bacteria ; Drug Resistance, Microbial ; beta-Lactamases/genetics ; beta-Lactamases/chemistry ; Gene Library ; Microbial Sensitivity Tests
    Chemical Substances Anti-Bacterial Agents ; Soil ; beta-Lactamases (EC 3.5.2.6)
    Language English
    Publishing date 2023-03-23
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms24076037
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  4. Article ; Online: A Study on the Stability and Antimicrobial Efficacy of a Newly Modeled Teat Dip Solution Containing Chlorhexidine.

    Kybartas, Modestas / Virgailis, Marius / Ruzauskas, Modestas / Klimienė, Irena / Šiugždinienė, Rita / Merkevičienė, Lina / Štreimikytė-Mockeliūnė, Žaneta / Mockeliūnas, Raimundas

    Veterinary sciences

    2023  Volume 10, Issue 8

    Abstract: Despite much focus on mastitis as an endemic disease, clinical and subclinical mastitis remains an important problem for many herds. Reducing the usage of antibiotics for mastitis treatment allows the risks to be minimized related to the development of ... ...

    Abstract Despite much focus on mastitis as an endemic disease, clinical and subclinical mastitis remains an important problem for many herds. Reducing the usage of antibiotics for mastitis treatment allows the risks to be minimized related to the development of antimicrobial resistance and the excretion of antibiotics into the environment. The aim of the study was to determine the physico-chemical properties, stability and antimicrobial effect of a newly formulated biocide for post-milking udder hygiene containing a thickener made from hydroxypropyl guar gum, an antiseptic chlorhexidine digluconate and teat skin-friendly components including glycerol,
    Language English
    Publishing date 2023-08-08
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2768971-2
    ISSN 2306-7381 ; 2306-7381
    ISSN (online) 2306-7381
    ISSN 2306-7381
    DOI 10.3390/vetsci10080510
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  5. Article ; Online: Development of Antibacterial Cotton Textiles by Deposition of Fe 2 O 3 Nanoparticles Using Low-Temperature Plasma Sputtering

    Agnė Giedraitienė / Modestas Ružauskas / Rita Šiugždinienė / Simona Tučkutė / Kastytis Grigonis / Darius Milčius

    Nanomaterials, Vol 13, Iss 24, p

    2023  Volume 3106

    Abstract: Antibacterial textiles can help prevent infections from antimicrobial-resistant pathogens without using antibiotics. This work aimed to enhance the cotton fabric’s antimicrobial properties by depositing Fe 2 O 3 nanoparticles on both sides of its surface. ...

    Abstract Antibacterial textiles can help prevent infections from antimicrobial-resistant pathogens without using antibiotics. This work aimed to enhance the cotton fabric’s antimicrobial properties by depositing Fe 2 O 3 nanoparticles on both sides of its surface. The nanoparticles were deposited using low-temperature plasma technology in a pure oxygen atmosphere, which is environmentally friendly. The Fe 2 O 3 nanoparticles formed clusters on the fabric surface, rather than thin films that could reduce the airflow of the textile. The optimal conditions for the nanoparticle deposition were 200 W of plasma power, 120 min of immersion time, and 5 cm of Fe cathode–textile sample distance. The received antimicrobial textile was tested and the high efficiency of developed materials were successfully demonstrated against 16 microbial strains (Gram-positive and Gram-negative bacteria and fungi).
    Keywords iron oxide ; nanoparticles ; cotton ; antimicrobial activity ; Chemistry ; QD1-999
    Subject code 620
    Language English
    Publishing date 2023-12-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article: Antimicrobial and Mycotoxin Reducing Properties of Lactic Acid Bacteria and Their Influence on Blood and Feces Parameters of Newborn Calves.

    Zavistanaviciute, Paulina / Ruzauskas, Modestas / Antanaitis, Ramunas / Televicius, Mindaugas / Lele, Vita / Santini, Antonello / Bartkiene, Elena

    Animals : an open access journal from MDPI

    2023  Volume 13, Issue 21

    Abstract: The aim of this study was to evaluate the influence of in acid whey (AW) ... ...

    Abstract The aim of this study was to evaluate the influence of in acid whey (AW) multiplied
    Language English
    Publishing date 2023-10-27
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2606558-7
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani13213345
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Novel Antibiotic Resistance Genes Identified by Functional Gene Library Screening in Stenotrophomonas maltophilia and Chryseobacterium spp. Bacteria of Soil Origin

    Laurita Klimkaitė / Ignas Ragaišis / Renatas Krasauskas / Modestas Ružauskas / Edita Sužiedėlienė / Julija Armalytė

    International Journal of Molecular Sciences, Vol 24, Iss 6037, p

    2023  Volume 6037

    Abstract: As one of the most diverse habitats of microorganisms, soil has been recognised as a reservoir of both antibiotics and the antibiotic resistance genes (ARGs). Bacteria naturally inhabiting soil or water often possess innate ARGs to counteract the ... ...

    Abstract As one of the most diverse habitats of microorganisms, soil has been recognised as a reservoir of both antibiotics and the antibiotic resistance genes (ARGs). Bacteria naturally inhabiting soil or water often possess innate ARGs to counteract the chemical compounds produced by competitors living in the same environment. When such bacteria are able to cause infections in immunocompromised patients, their strong innate antibiotic resistance mechanisms make treatment difficult. We generated functional gene libraries using antibiotic-resistant Stenotrophomonas maltophilia and Chryseobacterium spp. bacteria isolated from agricultural soils in Lithuania to select for the genetic determinants responsible for their resistance. We were able to find novel variants of aminoglycoside and β-lactam resistance genes, with β-lactamases isolated from the Chryseobacterium spp. functional gene library, one of which is a variant of IND-like metallo-β-lactamase (MBL) IND-17 and the other of which is a previously uncharacterised MBL we named CHM ( Chryseobacterium metallo β-lactamase). Our results indicate that soil microorganisms possess a diversity of ARG variants, which could potentially be transferred to the clinical setting.
    Keywords Stenotrophomonas maltophilia ; Chryseobacterium spp ; functional gene library ; antibiotic resistance genes ; antibiotic resistance in soil ; metallo-β-lactamase ; Biology (General) ; QH301-705.5 ; Chemistry ; QD1-999
    Subject code 610
    Language English
    Publishing date 2023-03-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article: Antimicrobial Properties of CuO Particles Deposited on a Medical Mask.

    Giedraitienė, Agnė / Ruzauskas, Modestas / Šiugždinienė, Rita / Tučkutė, Simona / Milcius, Darius

    Materials (Basel, Switzerland)

    2022  Volume 15, Issue 22

    Abstract: Medical face masks help to reduce the transmission of pathogens, however, the number of infections caused by antimicrobial-resistant pathogens continues to increase. The aim of this study was to investigate the antimicrobial effect of an experimental ... ...

    Abstract Medical face masks help to reduce the transmission of pathogens, however, the number of infections caused by antimicrobial-resistant pathogens continues to increase. The aim of this study was to investigate the antimicrobial effect of an experimental medical mask layer coated with copper oxide using an environmentally friendly non-thermal physical vapour deposition approach. Pure CuO nanoparticles were successfully deposited on the middle layer of a face mask. The particles were distributed in different size clusters (starting from less than 100 nm dots going up to about 1 µm cluster-like structures). The CuO clusters did not form uniform films, which could negatively influence airflow during use of the mask. We investigated the antimicrobial properties of the experimental mask layer coated with CuO NPs using 17 clinical and zoonotic strains of gram-negative, gram-positive, spore-forming bacteria and yeasts, during direct and indirect contact with the mask surface. The effectiveness of the coated mask layer depended on the deposition duration of CuO. The optimal time for deposition was 30 min, which ensured a bactericidal effect for both gram-positive and gram-negative bacteria, including antimicrobial-resistant strains, using 150 W power. The CuO NPs had little or no effect on
    Language English
    Publishing date 2022-11-08
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma15227896
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  9. Article ; Online: Antimicrobial and Mycotoxin Reducing Properties of Lactic Acid Bacteria and Their Influence on Blood and Feces Parameters of Newborn Calves

    Paulina Zavistanaviciute / Modestas Ruzauskas / Ramunas Antanaitis / Mindaugas Televicius / Vita Lele / Antonello Santini / Elena Bartkiene

    Animals, Vol 13, Iss 21, p

    2023  Volume 3345

    Abstract: The aim of this study was to evaluate the influence of in acid whey (AW) multiplied Lactiplantibacillus plantarum LUHS135 (L.pl135), Lacticaseibacillus paracasei LUHS244 (L.pc244), and their biomass combination on newborn calves’ feces and blood ... ...

    Abstract The aim of this study was to evaluate the influence of in acid whey (AW) multiplied Lactiplantibacillus plantarum LUHS135 (L.pl135), Lacticaseibacillus paracasei LUHS244 (L.pc244), and their biomass combination on newborn calves’ feces and blood parameters. Additionally, the antimicrobial and mycotoxin-reducing properties and the resistance to antibiotics of the tested lactic acid bacteria (LAB) strains were analyzed. In order to ensure effective biomass growth in AW, technological parameters for the supplement preparation were selected. Control calves were fed with a standard milk replacer (SMR) and treated groups (from the 2nd day of life until the 14th day) were supplemented with 50 mL of AW L.pl135 , AW L.pc244 , and AW L.pl135×L.pc244 (25 mL AW L.pl135 + 25 mL AW L.pc244 ) in addition to SMR. It was established that L.pl135 and L.pc244 possess broad antimicrobial activities, are non-resistant to the tested antibiotics, and reduce mycotoxin concentrations in vitro. The optimal duration established for biomass growth was 48 h (LAB count higher than 7.00 log 10 CFU mL −1 was found after 48 h of AW fermentation). It was established that additional feeding of newborn calves with AW L.pl135 , AW L.pc244 , and AW L.pl135×L.pc244 increased lactobacilli (on average by 7.4%), and AW L.pl135 and AW L.pc244 reduced the numbers of Enterobacteriaceae in calves’ feces. The tested supplements also reduced the lactate concentration (on average, by 42.5%) in calves’ blood. Finally, the tested supplements had a positive influence on certain health parameters of newborn calves; however, further research is needed to validate the mechanisms of the beneficial effects.
    Keywords Lactiplantobacillus plantarum ; Lacticaseibacillus paracasei ; antimicrobial properties ; mycotoxins ; acid whey ; newborn calves ; Veterinary medicine ; SF600-1100 ; Zoology ; QL1-991
    Subject code 630
    Language English
    Publishing date 2023-10-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article: Effects of Marinades Prepared from Food Industry By-Products on Quality and Biosafety Parameters of Lamb Meat.

    Zavistanaviciute, Paulina / Klementaviciute, Jolita / Klupsaite, Dovile / Zokaityte, Egle / Ruzauskas, Modestas / Buckiuniene, Vilija / Viskelis, Pranas / Bartkiene, Elena

    Foods (Basel, Switzerland)

    2023  Volume 12, Issue 7

    Abstract: This study aimed to develop marinade formulas based on by-products from the dairy, berry, and fruit industries and apply them to lamb meat (LM) treatments to improve the safety and quality characteristics of the meat. To fulfil this aim, six marinade (M) ...

    Abstract This study aimed to develop marinade formulas based on by-products from the dairy, berry, and fruit industries and apply them to lamb meat (LM) treatments to improve the safety and quality characteristics of the meat. To fulfil this aim, six marinade (M) formulations were created based on acid whey (AW) fermented with
    Language English
    Publishing date 2023-03-24
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2704223-6
    ISSN 2304-8158
    ISSN 2304-8158
    DOI 10.3390/foods12071391
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