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MetabolomicsPaternal microbiome perturbations impact offspring fitness

The gut microbiota operates at the interface of host-environment interactions to influence human homeostasis and metabolic networks. Environmental factors that unbalance gut microbial ecosystems can therefore elicit physiological and disease-associated responses across somatic tissues. However, t...

2024-02-12 | MTBLS1629 | MetaboLights
MetabolomicsHorizontal Transfer of Bacteriocin Biosynthesis Genes Requires Metabolic Adaptation To Improve Compound Production and Cellular Fitness

Biosynthetic gene clusters (BGCs) encoding the production of bacteriocins are widespread among bacterial isolates and are important genetic determinants of competitive fitness within a given habitat. Staphylococci produce a tremendous diversity of compounds, and the corresponding BGCs are frequen...

2022-11-09 | MTBLS5196 | MetaboLights
MetabolomicsIntracellular iron overload rewires HSC metabolism by impairing mitochondrial fitness
Iron is an essential element for several cellular processes and recent evidence highlighted its role in regulating the function of hematopoietic stem cells (HSCs). When in excess it reduces quiescence and self-renewal, however, whether and how iron influences HSC metabolism is still unknown. Here, w...
2024-12-04 | MTBLS11778 | MetaboLights
MetabolomicsImmunoglobulin expression in the endoplasmic reticulum shapes the metabolic fitness of B lymphocytes
The major function of B lymphocytes is to sense antigens and to produce protective antibodies after activation. This function requires the expression of a B-cell antigen receptor (BCR), and evolutionary conserved mechanisms seem to exist that ensure that B cells without a BCR do not develop nor surv...
2020-04-21 | MTBLS186 | MetaboLights
MetabolomicsGenotype to phenotype: Diet-by-mitochondrial DNA haplotype interactions drive metabolic flexibility and organismal fitness
Diet may be modified seasonally or by biogeographic, demographic or cultural shifts. It can differentially influence mitochondrial bioenergetics, retrograde signalling to the nuclear genome, and anterograde signalling to mitochondria. All these interactions have the potential to influence the freque...
2018-11-07 | MTBLS724 | MetaboLights
TranscriptomicsGenetic variation in parthenogenetic collembolans is associated with differences in fitness and cadmium-induced transcriptome responses
Ecotoxicological tests may be biased by the use of laboratory strains that usually contain very limited genetic diversity. It is therefore essential to study how genetic variation influences stress tolerance relevant for toxicity outcomes. To that end we studied sensitivity to cadmium in two distinc...
ORGANISM(S): Folsomia candida 
2012-12-21 | E-GEOD-34167 | biostudies-arrayexpress
TranscriptomicsComparison of salt stress resistance genes in transgenic Arabidopsis thaliana indicates that extent of transcriptomic change may not predict secondary phenotypic or fitness effects
Engineered abiotic stress resistance is an important target for increasing agricultural productivity.There are concerns, however, regarding possible ecological impacts of transgenic crops. In contrast to the first wave of transgenic crops, many abiotic stress resistance genes can initiate complex do...
ORGANISM(S): Arabidopsis thaliana 
2011-10-05 | E-GEOD-26983 | biostudies-arrayexpress
ProteomicsMassively parallel fitness profiling reveals multiple novel enzymes in Pseudomonas putida lysine metabolism
The lysine metabolism of Pseudomonas putida can produce multiple important commodity chemicals and is implicated in rhizosphere colonization. However, despite intensive study, the biochemical and genetic links between lysine metabolism and central metabolism remains unresolved in P. putida. Here, we...
ORGANISM(S): Pseudomonas Putida Kt2440 
PXD011350 | panorama
TranscriptomicsTargeted changes of cell wall proteome influence Candida albicans ability to form single- and multi-strain biofilms.
Biofilm formation is an important virulence trait of the pathogenic yeast Candida albicans. Large-scale genetics strategies aimed at identifying genes involved in biofilm development are hampered by lack of a complete sexual cycle in this diploid yeast in addition to the tedious generation of homozy...
ORGANISM(S): Candida albicans 
2014-03-31 | E-GEOD-48647 | biostudies-arrayexpress
ProteomicsIn vivo fitness of sul gene-dependent sulfonamide-resistant Escherichia coli in the mammalian gut
Sulfonamides are traditional synthetic antimicrobial agents used in clinical and veterinary medical settings. Their long-term excessive overuse has resulted in widespread microbial resistance, limiting their application for medical interventions. Resistance to sulfonamides is primarily conferred by ...
ORGANISM(S): Escherichia Coli Str. K-12 Substr. Mg1655 
PXD053633 |
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