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  1. Article ; Online: Microbial Primer: An introduction to biofilms - what they are, why they form and their impact on built and natural environments.

    Bamford, Natalie C / MacPhee, Cait E / Stanley-Wall, Nicola R

    Microbiology (Reading, England)

    2023  Volume 169, Issue 8

    Abstract: Biofilms are complex communities of microbes that are bound by an extracellular macromolecular matrix produced by the residents. Biofilms are the predominant form of microbial life in the natural environment and although they are the leading cause of ... ...

    Abstract Biofilms are complex communities of microbes that are bound by an extracellular macromolecular matrix produced by the residents. Biofilms are the predominant form of microbial life in the natural environment and although they are the leading cause of chronic infections, they are equally deeply connected to our ability to bioremediate waste and toxic materials. Here we highlight the emergent properties of biofilm communities and explore notable biofilms before concluding by providing examples of their major impact on our health and both natural and built environments.
    MeSH term(s) Biofilms ; Environment ; Extracellular Matrix/metabolism
    Language English
    Publishing date 2023-07-31
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1180712-x
    ISSN 1465-2080 ; 1350-0872
    ISSN (online) 1465-2080
    ISSN 1350-0872
    DOI 10.1099/mic.0.001338
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Bacillus subtilis

    Morris, Ryan J / Bamford, Natalie C / Bromley, Keith M / Erskine, Elliot / Stanley-Wall, Nicola R / MacPhee, Cait E

    Langmuir : the ACS journal of surfaces and colloids

    2024  Volume 40, Issue 8, Page(s) 4164–4173

    Abstract: Microbial growth often occurs within multicellular communities called biofilms, where cells are enveloped by a protective extracellular matrix. ...

    Abstract Microbial growth often occurs within multicellular communities called biofilms, where cells are enveloped by a protective extracellular matrix.
    MeSH term(s) Bacterial Proteins/chemistry ; Bacillus subtilis/metabolism ; Protein Structure, Secondary ; Biofilms ; Extracellular Polymeric Substance Matrix/metabolism
    Chemical Substances Bacterial Proteins
    Language English
    Publishing date 2024-02-13
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2005937-1
    ISSN 1520-5827 ; 0743-7463
    ISSN (online) 1520-5827
    ISSN 0743-7463
    DOI 10.1021/acs.langmuir.3c03163
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Mechanisms driving spatial distribution of residents in colony biofilms: an interdisciplinary perspective.

    Eigentler, Lukas / Davidson, Fordyce A / Stanley-Wall, Nicola R

    Open biology

    2022  Volume 12, Issue 12, Page(s) 220194

    Abstract: Biofilms are consortia of microorganisms that form collectives through the excretion of extracellular matrix compounds. The importance of biofilms in biological, industrial and medical settings has long been recognized due to their emergent properties ... ...

    Abstract Biofilms are consortia of microorganisms that form collectives through the excretion of extracellular matrix compounds. The importance of biofilms in biological, industrial and medical settings has long been recognized due to their emergent properties and impact on surrounding environments. In laboratory situations, one commonly used approach to study biofilm formation mechanisms is the colony biofilm assay, in which cell communities grow on solid-gas interfaces on agar plates after the deposition of a population of founder cells. The residents of a colony biofilm can self-organize to form intricate spatial distributions. The assay is ideally suited to coupling with mathematical modelling due to the ability to extract a wide range of metrics. In this review, we highlight how interdisciplinary approaches have provided deep insights into mechanisms causing the emergence of these spatial distributions from well-mixed inocula.
    MeSH term(s) Biofilms ; Extracellular Matrix
    Language English
    Publishing date 2022-12-14
    Publishing country England
    Document type Review ; Journal Article
    ZDB-ID 2630944-0
    ISSN 2046-2441 ; 2046-2441
    ISSN (online) 2046-2441
    ISSN 2046-2441
    DOI 10.1098/rsob.220194
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  4. Article ; Online: The Intertwined Roles of Specialized Metabolites within the Bacillus subtilis Biofilm.

    Kalamara, Margarita / Stanley-Wall, Nicola R

    Journal of bacteriology

    2021  Volume 203, Issue 22, Page(s) e0043121

    Abstract: Bacteria produce specialized metabolites with a range of functions. In this issue of ... ...

    Abstract Bacteria produce specialized metabolites with a range of functions. In this issue of the
    MeSH term(s) Bacillus subtilis ; Biofilms
    Language English
    Publishing date 2021-08-30
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Comment
    ZDB-ID 2968-3
    ISSN 1098-5530 ; 0021-9193
    ISSN (online) 1098-5530
    ISSN 0021-9193
    DOI 10.1128/JB.00431-21
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: The putative role of the epipeptide EpeX in

    Kalamara, Margarita / Abbott, James / Sukhodub, Tetyana / MacPhee, Cait / Stanley-Wall, Nicola R

    Microbiology (Reading, England)

    2023  Volume 169, Issue 6

    Abstract: Bacteria engage in competitive interactions with neighbours that can either be of the same or different species. Multiple mechanisms are deployed to ensure the desired outcome and one tactic commonly implemented is the production of specialised ... ...

    Abstract Bacteria engage in competitive interactions with neighbours that can either be of the same or different species. Multiple mechanisms are deployed to ensure the desired outcome and one tactic commonly implemented is the production of specialised metabolites. The Gram-positive bacterium
    MeSH term(s) Bacillus subtilis/genetics ; Bacillus subtilis/metabolism ; Biofilms
    Language English
    Publishing date 2023-05-22
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1180712-x
    ISSN 1465-2080 ; 1350-0872
    ISSN (online) 1465-2080
    ISSN 1350-0872
    DOI 10.1099/mic.0.001344
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Biofilm Dispersal for Spore Release in Bacillus subtilis.

    Kovács, Ákos T / Stanley-Wall, Nicola R

    Journal of bacteriology

    2021  Volume 203, Issue 14, Page(s) e0019221

    Abstract: The dispersal of bacterial cells from a matured biofilm can be mediated either by active or passive mechanisms. In this issue of ... ...

    Abstract The dispersal of bacterial cells from a matured biofilm can be mediated either by active or passive mechanisms. In this issue of the
    MeSH term(s) Bacillus subtilis/genetics ; Bacillus subtilis/growth & development ; Bacillus subtilis/physiology ; Biofilms ; Calcium/metabolism ; Spores, Bacterial/genetics ; Spores, Bacterial/growth & development ; Spores, Bacterial/physiology
    Chemical Substances Calcium (SY7Q814VUP)
    Language English
    Publishing date 2021-06-22
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2968-3
    ISSN 1098-5530 ; 0021-9193
    ISSN (online) 1098-5530
    ISSN 0021-9193
    DOI 10.1128/JB.00192-21
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  7. Article ; Online: Bacillus subtilis extracellular protease production incurs a context-dependent cost.

    Rosazza, Thibault / Eigentler, Lukas / Earl, Chris / Davidson, Fordyce A / Stanley-Wall, Nicola R

    Molecular microbiology

    2023  Volume 120, Issue 2, Page(s) 105–121

    Abstract: Microbes encounter a wide range of polymeric nutrient sources in various environmental settings, which require processing to facilitate growth. Bacillus subtilis, a bacterium found in the rhizosphere and broader soil environment, is highly adaptable and ... ...

    Abstract Microbes encounter a wide range of polymeric nutrient sources in various environmental settings, which require processing to facilitate growth. Bacillus subtilis, a bacterium found in the rhizosphere and broader soil environment, is highly adaptable and resilient due to its ability to utilise diverse sources of carbon and nitrogen. Here, we explore the role of extracellular proteases in supporting growth and assess the cost associated with their production. We provide evidence of the essentiality of extracellular proteases when B. subtilis is provided with an abundant, but polymeric nutrient source and demonstrate the extracellular proteases as a shared public good that can operate over a distance. We show that B. subtilis is subjected to a public good dilemma, specifically in the context of growth sustained by the digestion of a polymeric food source. Furthermore, using mathematical simulations, we uncover that this selectively enforced dilemma is driven by the relative cost of producing the public good. Collectively, our findings reveal how bacteria can survive in environments that vary in terms of immediate nutrient accessibility and the consequent impact on the population composition. These findings enhance our fundamental understanding of how bacteria respond to diverse environments, which has importance to contexts ranging from survival in the soil to infection and pathogenesis scenarios.
    MeSH term(s) Bacillus subtilis/genetics ; Peptide Hydrolases ; Endopeptidases ; Soil
    Chemical Substances Peptide Hydrolases (EC 3.4.-) ; Endopeptidases (EC 3.4.-) ; Soil
    Language English
    Publishing date 2023-06-28
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 619315-8
    ISSN 1365-2958 ; 0950-382X
    ISSN (online) 1365-2958
    ISSN 0950-382X
    DOI 10.1111/mmi.15110
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  8. Article ; Online: Mechanisms driving spatial distribution of residents in colony biofilms

    Lukas Eigentler / Fordyce A. Davidson / Nicola R. Stanley-Wall

    Open Biology, Vol 12, Iss

    an interdisciplinary perspective

    2022  Volume 12

    Abstract: Biofilms are consortia of microorganisms that form collectives through the excretion of extracellular matrix compounds. The importance of biofilms in biological, industrial and medical settings has long been recognized due to their emergent properties ... ...

    Abstract Biofilms are consortia of microorganisms that form collectives through the excretion of extracellular matrix compounds. The importance of biofilms in biological, industrial and medical settings has long been recognized due to their emergent properties and impact on surrounding environments. In laboratory situations, one commonly used approach to study biofilm formation mechanisms is the colony biofilm assay, in which cell communities grow on solid–gas interfaces on agar plates after the deposition of a population of founder cells. The residents of a colony biofilm can self-organize to form intricate spatial distributions. The assay is ideally suited to coupling with mathematical modelling due to the ability to extract a wide range of metrics. In this review, we highlight how interdisciplinary approaches have provided deep insights into mechanisms causing the emergence of these spatial distributions from well-mixed inocula.
    Keywords spatial distribution ; colony biofilms ; genetic drift ; founder density ; microbial interactions ; Biology (General) ; QH301-705.5
    Language English
    Publishing date 2022-12-01T00:00:00Z
    Publisher The Royal Society
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Systematic microscopical analysis reveals obligate synergy between extracellular matrix components during

    Porter, Michael / Davidson, Fordyce A / MacPhee, Cait E / Stanley-Wall, Nicola R

    Biofilm

    2022  Volume 4, Page(s) 100082

    Abstract: Single-species bacterial colony biofilms often present recurring morphologies that are thought to be of benefit to the population of cells within and are known to be dependent on the self-produced extracellular matrix. However, much remains unknown in ... ...

    Abstract Single-species bacterial colony biofilms often present recurring morphologies that are thought to be of benefit to the population of cells within and are known to be dependent on the self-produced extracellular matrix. However, much remains unknown in terms of the developmental process at the single cell level. Here, we design and implement systematic time-lapse imaging and quantitative analyses of the growth of
    Language English
    Publishing date 2022-08-24
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2590-2075
    ISSN (online) 2590-2075
    DOI 10.1016/j.bioflm.2022.100082
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  10. Article ; Online: Never underestimate fears, blocks, and resistances: The interplay between experiential practices, self-conscious emotions, and the therapeutic relationship in compassion focused therapy.

    Matos, Marcela / Petrocchi, Nicola / Irons, Chris / Steindl, Stanley R

    Journal of clinical psychology

    2022  Volume 79, Issue 7, Page(s) 1670–1685

    Abstract: Experiential practices are a core component of compassion focused therapy (CFT). Throughout the treatment process, the client's engagement with these practices may become blocked, resulting in a rupture in the therapeutic relationship. In these instances, ...

    Abstract Experiential practices are a core component of compassion focused therapy (CFT). Throughout the treatment process, the client's engagement with these practices may become blocked, resulting in a rupture in the therapeutic relationship. In these instances, the interplay between these experiential practices and the therapeutic relationship becomes an essential focus of therapy to repair the rupture, re-engage the client in the therapeutic process, and proceed with the CFT treatment plan. This paper presents the case of a man diagnosed with social anxiety disorder, with the presence of shame-based self-criticism, treated via 12 sessions of CFT. CFT was proceeding well until certain embodiment practices and chair work were introduced, at which point the client refused to continue and became disengaged in the session. The process of repair and re-engagement will be discussed from the perspective of this interplay between experiential exercises and therapeutic relationships. Implications for CFT practice and clinical recommendations will be provided.
    MeSH term(s) Male ; Humans ; Empathy ; Emotions ; Fear/psychology ; Shame ; Psychotherapy/methods
    Language English
    Publishing date 2022-12-23
    Publishing country United States
    Document type Case Reports
    ZDB-ID 219160-x
    ISSN 1097-4679 ; 0021-9762
    ISSN (online) 1097-4679
    ISSN 0021-9762
    DOI 10.1002/jclp.23474
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