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TranscriptomicsPerturbation of parent-specific gene expression during interspecific hybridization
Interspecific hybridization often induces epigenetic remodeling that leads to transposon activation, gene expression changes, and loss of imprinting. These genomic changes can be deleterious and lead to postzygotic hybrid incompatibility. In Arabidopsis, loss of genomic imprinting of PHERES1 and pre...
ORGANISM(S): Arabidopsis thaliana 
2015-03-02 | E-GEOD-56675 | biostudies-arrayexpress
TranscriptomicsEarly disruption of maternal-zygotic interaction and activation of defense-like responses in Arabidopsis interspecific incompatibility
Hybridization of diverged taxa often result in lethality or sterility. We previously described natural variation for postzygotic incompatibility in the cross of diploid Arabidopsis thaliana to Arabidopsis arenosa. Hybrid seed death in this system has a complex genetic basis, involving many non-addit...
ORGANISM(S): Arabidopsis thaliana 
2013-06-05 | E-GEOD-42957 | biostudies-arrayexpress
TranscriptomicsA Y-chromosome-encoded small RNA acts as sex determinant in persimmons
In plants, multiple lineages have evolved sex chromosomes independently, providing a powerful comparative framework, but few specific determinants controlling the expression of a specific sex have been identified. We investigated sex-determinants in Caucasian persimmon, Diospyros lotus, a dioecious ...
ORGANISM(S): Diospyros lotus 
2014-11-04 | E-GEOD-61386 | biostudies-arrayexpress
TranscriptomicsSmall RNA transcriptome in the Squalius alburnoides complex
The Squalius alburnoides complex (Steindachner) is one of the most intricate hybrid polyploid systems known in vertebrates. In this complex, the constant switch of the genome composition in consecutive generations, very frequently involving a change on the ploidy level, promotes repetitive situation...
ORGANISM(S): Squalius alburnoides 
2013-01-02 | E-GEOD-38691 | biostudies-arrayexpress
TranscriptomicsCis- and trans- regulatory divergence between progenitor species determines gene-expression novelty in Arabidopsis allopolyploids
Gene-expression divergence between species shapes morphological evolution, but the molecular basis is largely unknown. Here we show cis- and trans-regulatory elements and chromatin modifications on gene-expression diversity in genetically tractable Arabidopsis allotetraploids. In Arabidopsis thalian...
ORGANISM(S): Arabidopsis arenosa x Arabidopsis thaliana 
2012-05-31 | E-GEOD-29687 | biostudies-arrayexpress
UnknownCare pathways models and clinical outcomes in Disorders of consciousness.
Not available
S-EPMC5561306 | biostudies-literature
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