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Project description:Culturable and non-culturable actinobacterial diversity in seaweeds
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Project description:To investigate the diversity of gene contents of Candida albicans strain by array-based comparative genomic hybridization (array CGH; aCGH).
2014-06-24 | GSE48530 | GEO
Project description:Assessment of the genetic diversity and relatedness of Turkish animal and human Brucella isolates
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Project description:Cervical Microbiota Diversity and Functional Shifts in the Development of Cervical High-Grade Squamous Intraepithelial Lesions
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Project description:Effects of Soil Depth and Plant Species on the Fungal Diversity and Community Structure in the Rhizosphere of Ferula L.
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Project description:To investigate the diversity of gene contents of Candida albicans strain by array-based comparative genomic hybridization (array CGH; aCGH). the srd1 null mutant Candida albicans strain CaLY202 was selected to carry out the comparative genomics microarray. Two-condition experiment, CaLY202 vs.SN152. Biological replicates: 2 control, 2 transfected, independently grown and harvested. One replicate per array.
2014-06-24 | E-GEOD-48530 | biostudies-arrayexpress
Project description:Targeted mutant models are common in mechanistic toxicology experiments investigating the absorption, metabolism, distribution, or elimination (ADME) of chemicals from individuals. Key models include those for xenosensing transcription factors and cytochrome P450s (CYP). Here we investigated changes in transcript levels, protein expression, and steroid hydroxylation of several xenobiotic detoxifying CYPs in constitutive androstane receptor (CAR)-null and two CYP-null mouse models that have subfamily members regulated by CAR; the Cyp3a-null and a newly described Cyp2b9/10/13-null mouse model. Compensatory changes in CYP expression that occur in these models may also occur in polymorphic humans, or may complicate interpretation of ADME studies performed using these models. The loss of CAR causes significant changes in several CYPs probably due to loss of CAR-mediated constitutive regulation of these CYPs. Expression and activity changes include significant repression of Cyp2a and Cyp2b members with corresponding drops in 6α- and 16β-testosterone hydroxylase activity. Further, the ratio of 6α-/15α-hydroxylase activity, a biomarker of sexual dimorphism in the liver, indicates masculinization of female CAR-null mice, suggesting a role for CAR in the regulation of sexually dimorphic liver CYP profiles. The loss of Cyp3a causes fewer changes than CAR. Nevertheless, there are compensatory changes including gender-specific increases in Cyp2a and Cyp2b. Cyp2a and Cyp2b were down-regulated in CAR-null mice, suggesting activation of CAR and potentially PXR following loss of the Cyp3a members. However, the loss of Cyp2b causes few changes in hepatic CYP transcript levels and almost no significant compensatory changes in protein expression or activity with the possible exception of 6α-hydroxylase activity. This lack of a compensatory response in the Cyp2b9/10/13-null mice is probably due to low CYP2B hepatic expression, especially in male mice. Overall, compensatory and regulatory CYP changes followed the order CAR-null > Cyp3a-null > Cyp2b-null mice.
| S-EPMC5370058 | biostudies-literature
Project description:Infants younger than 90 days with late-onset sepsis display disturbances of the microbiome-immunity interplay
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