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mBio 2021 Apr 13;12(2). Epub 2021 Apr 13.

Department of Plant Pathology and Ecology, The Connecticut Agricultural Experiment Station, New Haven, Connecticut, USA

Antimicrobial treatment of bacteria often results in a small population of surviving tolerant cells, or persisters, that may contribute to recurrent infection. Antibiotic persisters are metabolically dormant, but the basis of their persistence in the presence of membrane-disrupting biological compounds is less well understood. We previously found that the model plant pathogen pv. Read More

Microbiol Res 2021 Apr 2;248:126754. Epub 2021 Apr 2.

Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, Caixa Postal 15.053, 91501-970, Porto Alegre, RS, Brazil. Electronic address:

Endophytic bacteria show important abilities in promoting plant growth and suppressing phytopathogens, being largely explored in agriculture as biofertilizers or biocontrol agents. Bacteria from canola roots were isolated and screened for different plant growth promotion (PGP) traits and biocontrol of Sclerotinia sclerotiorum. Thirty isolates belonging to Bacillus, Paenibacillus, Lysinibacillus, and Microbacterium genera were obtained. Read More

Pol J Vet Sci 2021 Mar;24(1):23-28

University of Veterinary Medicine and Pharmacy in Košice, Komenského 73, 040 81 Košice, Slovak Republic.

The aim of this study was to determine the beneficial effect of natural substances - enterocin M (Ent M; the proteinaceous substance produced by Enterococcus faecium CCM8558) and sage plant ( Salvia officinalis L.) extract on the production of mucus in the rabbits small intestine and caecum. Sixty four post-weaned rabbits (meat line M91) were divided into three experimental groups (EG - Ent M; SG - sage extract; ESG - combination Ent M with sage extract) and control group (CG). Read More

Front Microbiol 2021 25;12:613450. Epub 2021 Mar 25.

Laboratory of Genetics, Wageningen University & Research, Wageningen, Netherlands.

The importance of interference competition, where individuals compete through antagonistic traits such as the production of toxins, has long been recognized by ecologists, yet understanding how these types of interactions evolve remains limited. Toxin production is thought to be beneficial when competing with a competitor. Here, we explore if antagonism can evolve by long-term selection of the toxin (pyocin) producing strain PAO1 in the presence (or absence) of one of three clinical isolates of the same species () over ten serial transfers. Read More

Genomics 2021 Apr 8. Epub 2021 Apr 8.

University of Verona - Department of Biotechnology, Verona, Italy.

Lactobacillaceae presents potential for interspecific Quorum Sensing (QS) in spontaneous cocoa fermentation, correlated with high abundance of luxS. Three Brazilian isolates from cocoa fermentation were characterized by Whole Genome Sequencing and luxS gene was surveyed in their genomes, in comparison with public databases. They were classified as Lactiplantibacillus plantarum, Limosilactobacillus fermentum and Pediococcus acidilactici. Read More