Chuck S. Farah

Cryo-EM structure of YfdQ reveals a widespread family of bacteriophage-associated proteins with shell-like assemblies

Davi Gabriel Salustiano Merighi, Guilherme Camargo Pompeu, Gabriel Guarany de Araujo, Anacleto Silva de Souza et autres

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To Kill or not to Kill: A Conserved trans -intoxication protection factor Blocks X-T4SS-Mediated Fratricide through Interaction with VirB5

Gabriel Umaji Oka, Wenny Camilla Adan, Thiago Rodrigo dos Santos, William Cenens et autres

ABSTRACT Bacteria can outcompete rivals by using specialized secretion systems to deliver toxic effectors into prey cells. How these systems distinguish prey from kin remains a fundamental unanswered question. In many Xanthomonadales (Lysobacterales) species, the antibacterial type IV secretion system (X-T4SS) mediates …

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The single-particle cryo-EM structures of a bacterial cyanide dihydratase and a fungal cyanide hydratase

Santiago Justo Arévalo, Valeria Valle-Riestra-Felice, Mikaela Barahona Acuña, Katia Ordinola Flores et autres

pe, br (code pays fourni par la source)

Cryo-EM structure analysis of phage ΦXacm4-11 that infects the phytopathogen Xanthomonas citri

Chuck S. Farah, G. F. F. Silva, Edgar E. Llontop, Alexandre Cassago et autres

ABSTRACT Very few bacteriophages that infect Xanthomonas species have been characterized genetically and only one 3D structure, the capsid of a siphovirus that infects the phytopathogen Xanthomonas citri , has been determined at high resolution. This study presents the annotated DNA sequence …

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Functional Cargo in Membrane Vesicles From a Citrus Pathogen

Gabriel Guarany de Araujo, Matheus M. Conforte, Aline Dias da Purificação, Íris Todeschini et autres

The causative agent of citrus canker disease, Xanthomonas citri pv. citri, was found to produce copious amounts of outer membrane vesicles (OMVs), frequently forming long membranous tubes under different culture conditions. Lipidomic analysis revealed significant differences in lipid composition between purified vesicles …

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The single-particle structures of a Bacterial Cyanide Dihydratase and a Fungal Cyanide Hydratase

Santiago Justo Arévalo, Valeria Valle-Riestra-Felice, Maria José Barahona, Katia Ordinola et autres

Abstract Cyanide is widely used in industries due to its strong affinity for metals, a property that also underlies its potent toxicity. Industries therefore must reduce cyanide concentration in wastewater final disposal. Physical, chemical, and biological methods have been developed for this …

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Insertion of a Divergent GAF-like Domain Defines a Novel Family of YcgR Homologues That Bind c-di-GMP in Leptospirales

Aline Biazola Visnardi, Rodolfo A. Ribeiro, Anacleto Silva de Souza, Tania Geraldine Churasacari Vinces et autres

High Resolution Image Download MS PowerPoint Slide The Leptospiraceae family, which includes the genera Leptospira, Leptonema, and Turneriella, is an ecologically diverse group that includes saprophytic strains from soil and water as well as important pathogenic strains. Adaptation to these multiple environments …

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Cryo-EM Structure of YfdQ Reveals a Widespread Novel Family of Bacteriophage-Associated Proteins with Shell-Like Assemblies

Davi Gabriel Salustiano Merighi, Guilherme Camargo Pompeu, Gabriel Araújo, Anacleto Silva de Souza et autres

br (code pays fourni par la source)

Retraction notice to “Toxicity of spike fragments SARS-CoV-2 S protein for zebrafish: A tool to study its hazardous for human health?” [Sci. Total Environ. 813 (2022) / 152345]

Bianca Helena Ventura Fernandes, Natália Martins Feitosa, Ana Paula Barbosa, Camila Gasque Bomfim et autres

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Monomeric Esterase: Insights into Cooperative Behavior, Hysteresis/Allokairy

Tania Churasacari Vinces, Anacleto Silva de Souza, Cecília F. Carvalho, Aline Biazola Visnardi et autres

Herein, we present a novel esterase enzyme, Ade1, isolated from a metagenomic library of Amazonian dark earths soils, demonstrating its broad substrate promiscuity by hydrolyzing ester bonds linked to aliphatic groups. The three-dimensional structure of the enzyme was solved in the presence …

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Uncovering the Association Mechanism between Two Intrinsically Flexible Proteins

A. Dávalos, José D. Rivera, Denize C. Favaro, Ronaldo Junio de Oliveira et autres

The understanding of protein–protein interaction mechanisms is key to the atomistic description of cell signaling pathways and for the development of new drugs. In this context, the mechanism of intrinsically disordered proteins folding upon binding has attracted attention. The VirB9 C-terminal domain …

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Xanthomonas immunity proteins protect against the cis-toxic effects of their cognate T4SS effectors

Gabriel Umaji Oka, Diorge P. Souza, Germán G. Sgro, Cristiane Rodrigues Guzzo et autres

Abstract Many bacteria kill rival species by translocating toxic effectors into target cells. Effectors are often encoded along with cognate immunity proteins that could (i) protect against “friendly-fire” ( trans -intoxication) from neighboring sister cells and/or (ii) protect against internal cis -intoxication …

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