Elucidating the functional roles of prokaryotic proteins using big data and artificial intelligence

Z Ardern, S Chakraborty, F Lenk… - FEMS Microbiology …, 2023 - academic.oup.com
Annotating protein sequences according to their biological functions is one of the key steps
in understanding microbial diversity, metabolic potentials, and evolutionary histories …

DNA supercoiling in bacteria: state of play and challenges from a viewpoint of physics based modeling

I Junier, E Ghobadpour, O Espeli… - Frontiers in …, 2023 - frontiersin.org
DNA supercoiling is central to many fundamental processes of living organisms. Its average
level along the chromosome and over time reflects the dynamic equilibrium of opposite …

scDual-Seq: mapping the gene regulatory program of Salmonella infection by host and pathogen single-cell RNA-sequencing

G Avital, R Avraham, A Fan, T Hashimshony, DT Hung… - Genome biology, 2017 - Springer
The interaction between a pathogen and a host is a highly dynamic process in which both
agents activate complex programs. Here, we introduce a single-cell RNA-sequencing …

Bacterial genome architecture shapes global transcriptional regulation by DNA supercoiling

B El Houdaigui, R Forquet, T Hindré… - Nucleic acids …, 2019 - academic.oup.com
DNA supercoiling acts as a global transcriptional regulator in bacteria, that plays an
important role in adapting their expression programme to environmental changes, but for …

A systematic pipeline for classifying bacterial operons reveals the evolutionary landscape of biofilm machineries

C Bundalovic-Torma, GB Whitfield… - PLoS computational …, 2020 - journals.plos.org
In bacteria functionally related genes comprising metabolic pathways and protein
complexes are frequently encoded in operons and are widely conserved across …

Determination of the gene regulatory network of a genome-reduced bacterium highlights alternative regulation independent of transcription factors

E Yus, V Llorens-Rico, S Martinez, C Gallo, H Eilers… - Cell Systems, 2019 - cell.com
Here, we determined the relative importance of different transcriptional mechanisms in the
genome-reduced bacterium Mycoplasma pneumoniae, by employing an array of …

Assessing in vivo the impact of gene context on transcription through DNA supercoiling

I Boulas, L Bruno, S Rimsky, O Espeli… - Nucleic Acids …, 2023 - academic.oup.com
Gene context can have significant impact on gene expression but is currently not integrated
in quantitative models of gene regulation despite known biophysical principles and …

DNA supercoiling: an ancestral regulator of gene expression in pathogenic bacteria?

S Martis, R Forquet, S Reverchon, W Nasser… - Computational and …, 2019 - Elsevier
DNA supercoiling acts as a global and ancestral regulator of bacterial gene expression. In
this review, we advocate that it plays a pivotal role in host-pathogen interactions by …

Functional annotations of paralogs: a blessing and a curse

R Zallot, KJ Harrison, B Kolaczkowski… - Life, 2016 - mdpi.com
Gene duplication followed by mutation is a classic mechanism of neofunctionalization,
producing gene families with functional diversity. In some cases, a single point mutation is …

Local genetic context shapes the function of a gene regulatory network

A Nagy-Staron, K Tomasek, C Caruso Carter… - Elife, 2021 - elifesciences.org
Gene expression levels are influenced by multiple coexisting molecular mechanisms. Some
of these interactions such as those of transcription factors and promoters have been studied …