Results 21 to 30 of about 146,124 (285)

Vulnerabilities in Yersinia pestis caf operon are unveiled by a Salmonella vector. [PDF]

open access: yesPLoS ONE, 2012
During infection, Yersinia pestis uses its F1 capsule to enhance survival and cause virulence to mammalian host. Since F1 is produced in large quantities and secreted into the host tissues, it also serves as a major immune target.
Ling Cao   +5 more
doaj   +1 more source

Operon-SEQer ensemble tested against new data sets.

open access: yes, 2022
Recall (blue) and specificity (red) of the Operon-SEQer ensemble with algorithm agreement cutoffs of 1–6 for operon pair calls for the new data set from (A) B. subtilis, (B) P. syringiae, and (C) M. tuberculosis. (TIF)
Raga Krishnakumar (11909990)   +1 more
core   +1 more source

Operon-SEQer is best used as an ensemble of methods and finds operons not annotated by the standard but detected by PACBIO SMRTseq.

open access: yes, 2022
(A) AUC scores of OperonSEQer operon pair calls on MicrobesOnline E.coli operons, and both OperonSEQer and MicrobesOnline operon pair calls on SMRT-seq E.coli operons.
Raga Krishnakumar (11909990)   +1 more
core   +1 more source

Operon-SEQer features and performance across the various algorithms used.

open access: yes, 2022
(A) Spearman’s correlation coefficients between the features considered for use in machine learning and operon pair calls made by MicrobesOnline across 7-species (see main text). KW = Kruskal Wallis statistic.
Raga Krishnakumar (11909990)   +1 more
core   +1 more source

Gene Gangs of the Chloroviruses: Conserved Clusters of Collinear Monocistronic Genes

open access: yesViruses, 2018
Chloroviruses (family Phycodnaviridae) are dsDNA viruses found throughout the world’s inland waters. The open reading frames in the genomes of 41 sequenced chloroviruses (330 ± 40 kbp each) representing three virus types were analyzed for evidence of ...
Phillip Seitzer   +5 more
doaj   +1 more source

A Microorganism Transcriptional Regulation Algorithm Based on Generalized Regression Neural Network [PDF]

open access: yesInternational Journal Bioautomation, 2019
Considering the importance of operon in microorganism transcriptional regulation, this paper sets up a new operon prediction model based on artificial neural network (ANN). Specifically, multiple genome information, ranging from intergenic distance (IGD),
Hui Li
doaj   +1 more source

Copper Chaperone CupA and Zinc Control CopY Regulation of the Pneumococcal cop Operon

open access: yesmSphere, 2017
Any metal in excess can be toxic; therefore, metal homeostasis is critical to bacterial survival. Bacteria have developed specialized metal import and export systems for this purpose.
Miranda J. Neubert   +3 more
doaj   +1 more source

The role of the Staphylococcal VraTSR regulatory system on vancomycin resistance and vanA operon expression in vancomycin-resistant Staphylococcus aureus. [PDF]

open access: yesPLoS ONE, 2014
Vancomycin is often the preferred treatment for invasive methicillin-resistant Staphylococcus aureus (MRSA) infection. With the increase in incidence of MRSA infections, the use of vancomycin has increased and, as feared, isolates of vancomycin-resistant
Nadia K Qureshi   +2 more
doaj   +1 more source

Characterization of carABpyrB operon and role of pyrE in Francisella novicida biofilm. [PDF]

open access: yesMicrobiologyopen
Pyrimidine biosynthesis links metabolism to biofilm regulation in Francisella novicida. During nutrient limitation, reduced pyrimidine availability shifts metabolism from uracil salvage to de novo synthesis, increasing biofilm formation. Mutants in carABpyrB exhibit uracil‐dependent growth defects and elevated biofilm:growth ratios, revealing ...
Sprinkel KC, Geiger AR, van Hoek ML.
europepmc   +2 more sources

Characterization of the biotin uptake system encoded by the biotin-inducible bioYMN operon of Corynebacterium glutamicum [PDF]

open access: yes, 2012
Schneider J, Peters-Wendisch P, Stansen KC, et al. Characterization of the biotin uptake system encoded by the biotin-inducible bioYMN operon of Corynebacterium glutamicum. BMC Microbiology.
Götker Susanne   +20 more
core   +1 more source

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