Sequencing and Analysis of the Hydra Genome
Chapman, Kirkness et al., Nature
An international research collaboration reports their sequencing and analysis of the Hydra magnipapillata genome, and compare it to the genomes of several other organisms. "The Hydra genome has been shaped by bursts of transposable element expansion, horizontal gene transfer, trans-splicing, and simplification of gene structure and gene content that parallel simplification of the Hydra life cycle," the authors write. They team suggests that comparisons of the Hydra genome to the reported sequences of other animals have helped them to elucidate the evolution of several of the organism's characteristics.
Pseudogene Likely Regained Function in Human-Great Ape Lineage
HHMI and University of Washington researcher Evan Eichler led a team of researchers who found evidence suggesting a gene called IRGM became a pseudogene in the ancestor of monkeys and apes before being resurrected in the human-great ape lineage.
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