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Alternative splicing (AS) coupled to nonsense-mediated decay (NMD) is a post-transcriptional mechanism for regulating gene expression. We have used a high-resolution AS RT-PCR panel to identify endogenous AS isoforms which increase in abundance when NMD is impaired in the Arabidopsis NMD factor mutants, upf1-5 and upf3-1. Of 270 AS genes (950 transcripts)(More)
More than 60% of intron-containing genes undergo alternative splicing (AS) in plants. This number will increase when AS in different tissues, developmental stages, and environmental conditions are explored. Although the functional impact of AS on protein complexity is still understudied in plants, recent examples demonstrate its importance in regulating(More)
Transposable elements are ubiquitous genomic parasites with an ancient history of coexistence with their hosts. A few cases have emerged recently where these genetic elements have been recruited for normal function in the host organism. We have identified an expressed hobo/Ac/Tam (hAT) family transposase-like gene in cereal grasses which appears to(More)
Gene escape from crops has gained much attention in the last two decades, as transgenes introgressing into wild populations could affect the latter's ecological characteristics. However, different genes have different likelihoods of introgression. The mixture of selective forces provided by natural conditions creates an adaptive mosaic of alleles from both(More)
Sampling the sequence of a relatively small fraction of the genome in large numbers of individuals is an important objective for population genetics and association genetics approaches. However, currently available ‘sequence capture’ methods either require expensive instrumentation or have problems dealing with high sample numbers and relatively small(More)
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