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Drosophila melanogaster 2nd chromosome substitution lines

ABSTRACT: Transcriptional profiling of Drosophila melanogaster 2nd chromosome substitution lines; Background chromosomes are identical across lines; 2nd chromosomes are different across line and can be homozygous or heterozygous within each line Keywords: Natural variation

ORGANISM(S): Drosophila melanogaster

PROVIDER: GSE12191 | GEO | 2010/05/06

SECONDARY ACCESSION(S): PRJNA113409

REPOSITORIES: GEO

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Drosophila melanosgaster 2nd chromosome substitution lines

Project description:Transcriptional profiling of Drosophila melanogaster 2nd chromosome substitution lines; Background chromosomes are identical across lines; 2nd chromosomes are different across line and can be homozygous or heterozygous within each line Keywords: Natural variation Loop design with 8 genotypes

2010-05-06 | E-GEOD-12191 | biostudies-arrayexpress

Gene expression variation in Y-chromosome substitution lines of Drosophila melanogaster

Project description:These arrays were done in the context of a study to probe gene expression variation across Y-chromosome substitution lines of Drosophila melanogaster Keywords: polymorphism, evolution, chromosome substitution

2008-04-30 | GSE9457 | GEO

Drosophila melanogaster

Project description:Drosophila melanogaster 2nd chromosome substitution lines

| PRJNA113409 | ENA

Gene expression variation in Y-chromosome substitution lines of Drosophila melanogaster

2008-04-29 | E-GEOD-9457 | biostudies-arrayexpress

Expression Profiling In Chromosome 1 substitution lines derived from Chinese wild mice

Project description:Identify genes in liver tissue whose expression is under genetic and high fat diet induced regulation in three Chromosome 1 substitution lines derived from Chinese wild mice (B6-Chr1SJ (SJ), B6-Chr1KM (KM), and B6-Chr1HZ (HZ)) and one donor strain C57B/LJ(B6) We used microarrays to detail the global gene expression in three chromosome 1 substitution lines and one donor strain which fed with control or high fat diet.

2016-05-04 | GSE81078 | GEO

Global gene expression divergence among mutation-accumulation Y-chromosome substitution lines of Drosophila melanogaster

Project description:Gene expression profiling revealed that hundreds of genes were differentially expressed among these Y introgression lines, and that global gene expression pattern diverged between the low-PEV and high-PEV (defined in the accompanying publication) flies. The results further expand our understanding of the role of the Y chromosome in modulating global gene expression, and suggest a link with modifications of chromatin state. Keywords: position-effect variegation (PEV) The Y chromosomes of H15 and H23 have lower level of suppression on the expression of white gene, therefore show lower level of eye color variegation. In contrast, the Y chromosomes of H5 and H7 have higher level of suppression on the expression of white gene resulting higher level of eye variegation.

2012-04-05 | GSE37068 | GEO

Global gene expression divergence among mutation-accumulation Y-chromosome substitution lines of Drosophila melanogaster

2012-04-04 | E-GEOD-37068 | biostudies-arrayexpress

Metabolome analysis on multi-connected biparental chromosome segment substitution line populations in rice

Project description:rice flag leaves at heading stage from three chromosome substitution line populations, which were respectively constructed by introducing genomic segments from japonica cultivar Niponbare, indica cultivar Minghui 63 and wild accession ACC10, to an indica cultivar Zhenshan 97, were collected. Metabolomics profile was conducted to generate quantitative trait loci that may affect contents of metabolites, and candidate genes were assigned.

2018-08-06 | ST001031 | MetabolomicsWorkbench

Transcriptomic comparative analysis of different resistance to sheath blight in rice chromosome segment substitution lines

Project description:Purpose:The goals of this study are to compare NGS-derived transcriptome profiling (RNA-seq) of different resistance to sheath blight in rice chromosome segment substitution lines

2022-06-17 | GSE178395 | GEO

Transcription profiling of wheat variety Chinese Spring and two derived chromosome 5A substitution lines treated with cold stress

Project description:Chromosome 5A of wheat is a major regulator of freezing tolerance. It harbours gene loci controlling freezing tolerance (Fr-A1 and Fr-A2) and vernalization requirement (Vrn-A1). The number of cold-responsive genes and their functional classification was studied by cDNA macroarray-based transcript profiling in the moderately freezing-sensitive wheat (Triticum aestivum L.) variety Chinese Spring and two derived chromosome 5A substitution lines exhibiting lower or higher levels of freezing tolerance, respectively. During 21-days of cold acclimation at 2 °C the transcript level changed significantly for 681 (6.6%) out of 10,297 studied unigenes. The freezing-tolerant substitution line exhibited about 1.5-fold higher number of differentially expressed genes compared to the sensitive one. Transcript levels of several genes were altered by cold treatment only in one of the three genotypes. For 78 genes regulation by factors hosted on chromosome 5A was determined and postulated. These genes encoded proteins involved in transcriptional regulation, defence processes and carbohydrate metabolism. Three of the chromosome 5A-affected genes, having especially strong and rapid cold-induced changes of transcript level, namely Tacr7 (Triticum aesticum cold-responsive gene 7 homolog), Cab (Ca2+-binding), and Dem (deficient embryo and meristems) were genetically mapped and characterized in further detail. Only the gene Cab was located on chromosome 5A, whereas Tacr7 and Dem resided on other chromosomes. Although chromosome 5A-affected genes are also found to be localised on the same chromosome, the present findings indicate that chromosome 5A is strongly involved in trans-regulation of genes potentially due to the presence of regulatory loci, like Fr-A2, which is harboring numerous CBF transcription factors.

2009-06-22 | E-IPKG-10 | biostudies-arrayexpress

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