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Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Mus musculus

PROVIDER: GSE209816 | GEO | 2023/06/08

REPOSITORIES: GEO

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Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability [gDNA]

Project description:Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability

2023-06-08 | GSE209815 | GEO

Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability [ATAC-seq]

Project description:Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability

2023-06-08 | GSE209810 | GEO

Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability

Project description:Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability

| PRJNA862518 | ENA

Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability [gDNA]

Project description:Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability [gDNA]

| PRJNA862520 | ENA

Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability [ATAC-seq]

Project description:Characterization of a strain-specific Cd1 reference genome reveals potential inter- and intra-strain functional variability [ATAC-seq]

| PRJNA862524 | ENA

Potential of (GATA)n microsatellites from rice for inter- and intra-specific variability studies.

Project description:BACKGROUND:The microsatellite, (GATA)n has been frequently used for DNA fingerprinting. However, very few attempts have been made to analyze (GATA)n-containing loci in rice. RESULTS:Three polymorphic (GATA)n-harboring loci viz. OS1A6, OS1H10 and OS2E7, containing 7-13 repeat motifs were identified from a genomic library of a cultivated rice, Oryza sativa var. Basmati-370 using oligonucleotide probe (GATA)4. When (GATA)n flanking primers were used to screen 26 wilds (representing different genomes of rice), 16 cultivars, 47 Indian elite rice varieties and 37 lines resistant/susceptible to bacterial blight, up to 22 alleles were obtained at an individual locus. Also, interestingly the bacterial blight resistant lines clustered into a separate group from the remaining rice genotypes, when a dendrogram was constructed based on the polymorphism obtained at the three loci. This may be due to the partial homology of the clones OS1H10 and OS2E7 to regions encoding O. longistaminata receptor kinase-like protein and pathogenesis-related protein. The ability of these O. sativa flanking primers to amplify DNA of maize, wheat, barley and oat indicates that these (GATA)n-containing loci are conserved across different cereal genera. CONCLUSIONS:The large allele number obtained reveals the potential of (GATA)n-containing loci as powerful tools to detect simple sequence length polymorphism (SSLP). The (GATA)n-flanking primers were not only useful in distinguishing between closely related genotypes, but could also be used for cross-species amplification and are also conserved across different cereal genera. These loci could also cluster the bacterial blight resistant/susceptible lines into different groups based on the resistance genes present in them.

| S-EPMC59831 | biostudies-literature

The community structure of functional brain networks exhibits scale-specific patterns of inter- and intra-subject variability.

Project description:The network organization of the human brain varies across individuals, changes with development and aging, and differs in disease. Discovering the major dimensions along which this variability is displayed remains a central goal of both neuroscience and clinical medicine. Such efforts can be usefully framed within the context of the brain's modular network organization, which can be assessed quantitatively using computational techniques and extended for the purposes of multi-scale analysis, dimensionality reduction, and biomarker generation. Although the concept of modularity and its utility in describing brain network organization is clear, principled methods for comparing multi-scale communities across individuals and time are surprisingly lacking. Here, we present a method that uses multi-layer networks to simultaneously discover the modular structure of many subjects at once. This method builds upon the well-known multi-layer modularity maximization technique, and provides a viable and principled tool for studying differences in network communities across individuals and within individuals across time. We test this method on two datasets and identify consistent patterns of inter-subject community variability, demonstrating that this variability - which would be undetectable using past approaches - is associated with measures of cognitive performance. In general, the multi-layer, multi-subject framework proposed here represents an advance over current approaches by straighforwardly mapping community assignments across subjects and holds promise for future investigations of inter-subject community variation in clinical populations or as a result of task constraints.

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Intra and Inter-specific Variability of Salt Tolerance Mechanisms in Diospyros Genus.

Project description:Saline stress is one of most important problems that agriculture must face in the context of climate change. In the Mediterranean basin, one of the regions most affected, persimmon production can be compromised by this effect, due to the limited availability of salt tolerant rootstocks. Seedlings coming from four populations from the Diospyros genus have been exposed to salt stress in order to identify salt tolerance genotypes within these populations. Morphological, physiological, and transcriptomic approaches have revealed different mechanisms of tolerance among the population studied. An HKT1-like gene has been shown to have different root expression related to the salt tolerance phenotypes among and within populations. Additionally, we have observed differences in salt-responsive expression among PIP aquaporin genes. Genetic variability for salt tolerance can be generated in Diospyros species through crossings and used for overcome salt stress. Furthermore, differences in water use efficiency (WUE) have been obtained between and within populations. The information gathered at transcriptomic and physiological level demonstrated natural and heritable variability among Diospyros genus which is the key for salt-tolerant rootstock breeding programs.

| S-EPMC7427203 | biostudies-literature

Inter- and intra-strain variability of tandem repeats in Mycoplasma pneumoniae based on next-generation sequencing data.

Project description:To characterize inter- and intra-strain variability of variable-number tandem repeats (VNTRs) in Mycoplasma pneumoniae to determine the optimal multilocus VNTR analysis scheme for improved strain typing.Whole genome assemblies and next-generation sequencing data from diverse M. pneumoniae isolates were used to characterize VNTRs and their variability, and to compare the strain discriminability of new VNTR and existing markers.We identified 13 VNTRs including five reported previously. These VNTRs displayed different levels of inter- and intra-strain copy number variations. All new markers showed similar or higher discriminability compared with existing VNTR markers and the P1 typing system.Our study provides novel insights into VNTR variations and potential new multilocus VNTR analysis schemes for improved genotyping of M. pneumoniae.

| S-EPMC5551932 | biostudies-literature

Comparative Analysis of Intra- and Inter-Specific Genomic Variability in the Peach Potato Aphid, Myzus persicae.

Project description:The availability of genomic data in the last decade relating to different aphid species has allowed the analysis of the genomic variability occurring among such species, whereas intra-specific variability has hitherto very largely been neglected. In order to analyse the intra-genomic variability in the peach potato aphid, Myzus persicae, comparative analyses were performed revealing several clone-specific gene duplications, together with numerous deletions/rearrangements. Our comparative approach also allowed us to evaluate the synteny existing between the two M. persicae clones tested and between the peach potato aphid and the pea aphid, Acyrthosiphon pisum. Even if part of the observed rearrangements are related to a low quality of some assembled contigs and/or to the high number of contigs present in these aphid genomes, our evidence reveals that aphid clones are genetically more different than expected. These results suggest that the choice of performing genomes sequencing combining different biotypes/populations, as revealed in the case of the soybean aphid, Aphis glycines, is unlikely to be very informative in aphids. Interestingly, it is possible that the holocentric nature of aphid chromosomes favours genome rearrangements that can be successively inherited transgenerationally via the aphid's apomictic (parthenogenetic) mode of reproduction. Lastly, we evaluated the structure of the cluster of genes coding for the five histones (H1, H2A, H2B, H3 and H4) in order to better understand the quality of the two M. persicae genomes and thereby to improve our knowledge of this functionally important gene family.

| S-EPMC6835256 | biostudies-literature

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