Jumat, 20 Desember 2013

Natural GMOs Part 187. The Amborella tree Genome shows Flowering Plant Evolution is Genome duplication and Gene Transfer

Amborella trichopoda /Wikipedia
Shaping Plant Evolution
Amborella trichopoda is understood to be the most basal extant flowering plant and its genome is anticipated to provide insights into the evolution of plant life on Earth (see the Perspective by Adams). To validate and assemble the sequence, Chamala et al. (p. 1516) combined fluorescent in situ hybridization (FISH), genomic mapping, and next-generation sequencing. The Amborella Genome Project (p.10.1126/science.1241089) was able to infer that a whole-genome duplication event preceded the evolution of this ancestral angiosperm, and Rice et al. (p. 1468) found that numerous genes in the mitochondrion were acquired by horizontal gene transfer from other plants, including almost four entire mitochondrial genomes from mosses and algae.

@ The Amborella Genome and the Evolution of Flowering Plants: at Science Magazine



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