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TranscriptomicsA role for Fkbp6 and the chaperone machinery in piRNA amplification and transposon silencing
Epigenetic silencing of transposons by Piwi-interacting RNAs (piRNAs) constitutes an RNA-based genome defense mechanism. Piwi endonuclease action amplifies the piRNA pool by generating new piRNAs from target transcripts by a poorly understood mechanism. Here, we identified mouse Fkbp6 as a factor in...
ORGANISM(S): Bombyx mori 
2012-09-04 | E-GEOD-39203 | biostudies-arrayexpress
TranscriptomicsThe MID-PIWI module of Piwi proteins specifies nucleotide- and strand-biases of piRNAs
Piwi-interacting RNAs (piRNAs) guide Piwi Argonautes to suppress transposon activity in animal gonads. Known piRNA populations are extremely complex, with millions of individual sequences present in a single organism. Despite this complexity, specific Piwi proteins incorporate piRNAs with distinct n...
ORGANISM(S): Bombyx mori 
2014-07-01 | E-GEOD-55451 | biostudies-arrayexpress
TranscriptomicsMouse MOV10L1 associates with Piwi proteins and is an essential component of the piRNA pathway
Piwi-interacting RNAs (piRNAs) are essential for silencing of transposable elements in the germline but their biogenesis is poorly understood. Here we demonstrate that MOV10L1, a germ cell-specific putative RNA helicase, is associated with Piwi proteins. Genetic disruption of the MOV10L1 RNA helicas...
ORGANISM(S): Mus musculus 
2010-06-12 | E-GEOD-21763 | biostudies-arrayexpress
TranscriptomicsRNA clamping by Vasa assembles a piRNA Amplifier complex on transposon transcripts
Germline-specific Piwi-interacting RNAs (piRNAs) protect the genome against selfish genetic elements and are essential for fertility in animals. piRNAs targeting active transposons are amplified by a feed-forward loop known as the Ping-pong cycle, which links endonucleolytic slicing of target RNA...
ORGANISM(S): Bombyx mori 
2014-06-04 | E-GEOD-57420 | biostudies-arrayexpress
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