Similar studies for GEO DataSets (Select 200055601) - GEO DataSets

Select item 2000556011.

Comparative Genomic Hybridization (CGH) reveals sex chromosome location and gene movement in stalk-eyed flies (family Diopsidae)

(Submitter supplied) We utilized Comparative Genomic Hybridization (CGH), using probes designed from de novo assembly of 10 tissues into a grand transcriptome to identify genes located on the X and Y chromosomes of a stalk-eyed fly, Teleopsis dalmanni. We use next generation sequencing of RNA to identify over 500 genes that are differentially expressed in the testes due to the effects of a driving X chromosome (XSR) in T. more...

Organism:: Teleopsis dalmanni

Type:: Genome binding/occupancy profiling by array

Platform:: GPL18369
4 Samples

Download data: TXT

Series

Accession:: GSE55601

ID:: 200055601

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Select item 2000371212.

Sex-biased gene expression during head development in a sexually dimorphic stalk-eyed fly

(Submitter supplied) Stalk-eyed flies (family Diopsidae) are a model system for studying sexual selection due to the elongated and sexually dimorphic eye-stalks found in many species. These flies are of additional interest because their X chromosome is derived largely from an autosomal arm in other flies. To identify candidate genes required for development of dimorphic eyestalks and investigate how sex-biased expression arose on the novel X we compared gene expression between males and females using oligonucleotide microarrays and RNA from developing eyestalk tissue or adult heads in the dimorphic diopsid, Teleopsis dalmanni. more...

Organism:: Teleopsis dalmanni

Type:: Expression profiling by array

Platform:: GPL15419
42 Samples

Download data: TXT

Series

Accession:: GSE37121

ID:: 200037121

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Select item 2000154443.

Microarray analysis of stalk-eyed fly lines selected for divergent eyespan

(Submitter supplied) Eye-stalks of some flies exhibit extreme sexual dimorphism, but little is known about the genetic mechanisms producing variation in these ornamental traits. Therefore, we constructed an EST database of genes expressed in the developing eye-antennal imaginal disc of the highly dimorphic species, Teleopsis dalmanni, and used this set of genes to construct high density oligoarrays and compare patterns of gene expression between lines of flies selected for divergent eyespan. more...

Organism:: Teleopsis dalmanni

Type:: Expression profiling by array

Platform:: GPL8358
8 Samples

Download data: GPR

Series

Accession:: GSE15444

ID:: 200015444

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Select item 1000083584.

Tdalmanni Agilent 44K Oligoarray Slide1

(Submitter supplied) Each 44K array contains 9 features for each of ~3600 genes that have been identified in an EST study of eye-antennal discs from late instar larvae or pupae of a diopsid stalk-eyed fly. cDNA clusters were included that had 1) significant homology to known genes in Drosophila or Anopheles, 2) an ORF larger than 300 bp (labeled ORF-) or 3) more than four associated cDNA clones (labeled X-). Three 60 bp oligonucleotide probes were designed for each gene based on the consensus sequence with the highest Blast hit or largest ORF within each cluster. more...

Organism:: Teleopsis dalmanni

1 Series
8 Samples

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Platform

Accession:: GPL8358

ID:: 100008358

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Select item 2000185025.

Drosophila melanogaster spermatogenesis expression profile: mitotic, meiotic and post-meiotic cells

(Submitter supplied) We conducted a genome-wide expression analysis of wild-type males using three cell populations isolated from mitotic, meiotic and post-meiotic phases of spermatogenesis in Drosophila melanogaster. Our approach was to directly isolate testis regions enriched with RNAs from each of the three specific germline phases. We used microarrays to detail the global gene expression profile in spermatogenesis and identified up- and down-regulated genes between two different spermatogenic phases in pairwise comparisons

Organism:: Drosophila melanogaster

Type:: Expression profiling by array

Platform:: GPL1322
9 Samples

Download data: CEL

Series

Accession:: GSE18502

ID:: 200018502

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Select item 2000011386.

Gene expression in mouse ovary and testis

(Submitter supplied) To investigate the genomic distribution of genes with sex- biased expression patterns in mice we analyzed the chromosomal distribution of genes preferentially expressed in sexually dimorphic tissues such as testis and ovary. Keywords: repeat sample

Organism:: Mus musculus

Type:: Expression profiling by array

Platform:: GPL977
21 Samples

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Series

Accession:: GSE1138

ID:: 200001138

Select item 2000308507.

X chromosome gene expression in D. melanogaster testes

(Submitter supplied) Whole genome expression analyses reveal little evidence for X chromosome dosage compensation or meiotic inactivation in Drosophila testes, whereas testes-specific transgene reporters suggest a novel form of X chromosome-specific regulation.

Organism:: Drosophila melanogaster

Type:: Expression profiling by array

Platform:: GPL7300
3 Samples

Download data: TXT

Series

Accession:: GSE30850

ID:: 200030850

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