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Browsing by Author "3ef04c28-6b27-4455-bc12-0c13606c0e76"

Now showing items 1-17 of 17

An unusual overrepresentation of genetic factors related to iron homeostasis in the genome of the fluorescent Pseudomonas sp. ABC1

Valenzuela-Heredia, Daniel; Henríquez-Castillo, Carlos; Donoso, Raúl; Lavín, Paris; Ringel, Michael T.; Brüser, Thomas; Campos, José Luis (Oxford : Wiley-Blackwell, 2021)

Members of the genus Pseudomonas inhabit diverse environments, such as soil, water, plants and humans. The variability of habitats is reflected in the diversity of the structure and composition of their genomes. This ...
The biosynthesis of pyoverdines

Ringel, Michael T.; Brüser, Thomas (Graz : Shared Science Publishers, 2018)

Pyoverdines are fluorescent siderophores of pseudomonads that play important roles for growth under iron-limiting conditions. The production of pyoverdines by fluorescent pseudomonads permits their colonization of hosts ...
Evidence for a second regulatory binding site on PspF that is occupied by the C-terminal domain of PspA

Brüser, Thomas; Heidrich, Eyleen Sabine (San Francisco : Public Library of Science, 2018)

PspA is a key component of the bacterial Psp membrane-stress response system. The biochemical and functional characterization of PspA is impeded by its oligomerization and aggregation properties. It was recently possible ...
Evidence for an adaptation of a phage-derived holin/endolysin system to toxin transport in Clostridioides difficile

Mehner-Breitfeld, Denise; Rathmann, Claudia; Riedel, Thomas; Just, Ingo; Gerhard, Ralf; Overmann, Jörg; Brüser, Thomas (Lausanne : Frontiers Media S.A., 2018)

The pathogenicity locus (PaLoc) of Clostridioides difficile usually comprises five genes (tcdR, tcdB, tcdE, tcdA, tcdC). While the proteins TcdA and TcdB represent the main toxins of this pathogen, TcdR and TcdC are involved ...
Membrane chaperoning by members of the PspA/IM30 protein family.

Thurotte, Adrien; Brüser, Thomas; Mascher, Thorsten; Schneider, Dirk (London : Informa UK Limited, 2017)

PspA, IM30 (Vipp1) and LiaH, which all belong to the PspA/IM30 protein family, form high molecular weight oligomeric structures. For all proteins membrane binding and protection of the membrane structure and integrity has ...
Occurrence and potential mechanism of holin-mediated non-lytic protein translocation in bacteria

Brüser, Thomas; Mehner-Breitfeld, Denise (Graz : Shared Science Publ., 2022)

Holins are generally believed to generate large membrane lesions that permit the passage of endolysins across the cytoplasmic membrane of prokaryotes, ultimately resulting in cell wall degradation and cell lysis. However, ...
The periplasmic transaminase PtaA of Pseudomonas fluorescens converts the glutamic acid residue at the pyoverdine fluorophore to -ketoglutaric acid

Ringel, Michael T.; Dräger, Gerald; Brüser, Thomas (Bethesda, Md. : ASBMB Publications, 2020)

The periplasmic conversion of ferribactin to pyoverdine is essential for siderophore biogenesis in fluorescent pseudomonads, such as pathogenic Pseudomonas aeruginosa or plant growth-promoting Pseudomonas fluorescens. The ...
A potential late stage intermediate of twin-arginine dependent protein translocation in Escherichia coli

Geise, Hendrik; Heidrich, Eyleen Sabine; Nikolin, Christoph Stefan; Mehner-Breitfeld, Denise; Brüser, Thomas (Lausanne : Frontiers Media S.A., 2019)

The twin-arginine translocation (Tat) system transports folded proteins across membranes of prokaryotes, plant plastids, and some mitochondria. According to blue-native polyacrylamide gel electrophoresis after solubilization ...
PvdM of fluorescent pseudomonads is required for the oxidation of ferribactin by PvdP in periplasmic pyoverdine maturation

Sugue, Michael-Frederick; Burdur, Ali Nazmi; Ringel, Michael T.; Dräger, Gerald; Brüser, Thomas (Bethesda, Md. : ASBMB Publications, 2022)

Fluorescent pseudomonads such as Pseudomonas aeruginosa or Pseudomonas fluorescens produce pyoverdine siderophores that ensure iron-supply in iron-limited environments. After its synthesis in the cytoplasm, the nonfluorescent ...
The Tat substrate CueO is transported in an incomplete folding state

Stolle, Patrick; Hou, Bo; Brüser, Thomas (Bethesda, Md. : ASBMB Publications, 2016)

In Escherichia coli, cytoplasmic copper ions are toxic to cells even at the lowest concentrations. As a defense strategy, the cuprous oxidase CueO is secreted into the periplasm to oxidize the more membrane-permeable and ...
The Tat system for membrane translocation of folded proteins recruits the membrane-stabilizing Psp machinery in Escherichia coli

Mehner, Denise; Osadnik, Hendrik; Lünsdorf, Heinrich; Brüser, Thomas (Bethesda, Md. : ASBMB Publications, 2012)

Tat systems transport folded proteins across energized membranes of bacteria, archaea, and plant plastids. In Escherichia coli, TatBC complexes recognize the transported proteins, and TatA complexes are recruited to ...
The Tat-dependent protein translocation pathway

Hou, Bo; Brüser, Thomas (Berlin : De Gruyter, 2011)

The twin-arginine translocation (Tat) pathway is found in bacteria, archaea, and plant chloroplasts, where it is dedicated to the transmembrane transport of fully folded proteins. These proteins contain N-terminal signal ...
TatBC-Independent TatA/Tat Substrate Interactions Contribute to Transport Efficiency

Taubert, Johannes; Hou, Bo; Risselada, H. Jelger; Mehner, Denise; Lünsdorf, Heinrich; Grubmüller, Helmut; Brüser, Thomas (San Francisco : Public Library of Science, 2015)

The Tat system can transport folded, signal peptide-containing proteins (Tat substrates) across energized membranes of prokaryotes and plant plastids. A twin-arginine motif in the signal peptide of Tat substrates is ...
The Phage T4 Antiholin RI Has a Cleavable Signal Peptide, Not a SAR Domain

Mehner-Breitfeld, Denise; Schwarzkopf, Jan Michel Frederik; Young, Ry; Kondabagil, Kiran; Brüser, Thomas (Lausanne : Frontiers Media, 2021)

Holin/endolysin-mediated lysis of phage T4 of Escherichia coli is tightly regulated by the antiholins RI and RIII. While regulation by the cytoplasmic RIII plays a minor role, the periplasmic antiholin RI binds tightly to ...
The TatA component of the twin-arginine translocation system locally weakens the cytoplasmic membrane of Escherichia coli upon protein substrate binding

Hou, Bou; Heidrich, Eyleen S.; Mehner-Breitfeld, Denise; Brüser, Thomas (Bethesda, Md. : ASBMB Publications, 2018)

The twin-arginine translocation (Tat) system that comprises the TatA, TatB, and TatC components transports folded proteins across energized membranes of prokaryotes and plant plastids. It is not known, however, how the ...
A tunable anthranilate-inducible gene expression system for Pseudomonas species

Hoffmann, Lena; Sugue, Michael-Frederick; Brüser, Thomas (Berlin ; Heidelberg ; New York : Springer, 2020)

Pseudomonads are among the most common bacteria in soils, limnic ecosystems, and human, animal, or plant host environments, including intensively studied species such as Pseudomonas aeruginosa, P. putida, or P. fluorescens. ...
Twin-Arginine translocation-Arresting protein regions contact TatA and TatB

Taubert, Johannes; Brüser, Thomas (Berlin : De Gruyter, 2014)

Tat systems translocate folded proteins across biological membranes of prokaryotes and plant plastids. TatBC complexes recognize N-Terminal Tat signal peptides that contain a sequence motif with two conserved arginines ...

Now showing items 1-17 of 17

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Browsing by Author "3ef04c28-6b27-4455-bc12-0c13606c0e76"

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