Genomic Footprints of a Cryptic Plastid Endosymbiosis in Diatoms Export

@article{citeulike:4964534, abstract = {Diatoms and other chromalveolates are among the dominant phytoplankters in the world's oceans. Endosymbiosis was essential to the success of chromalveolates, and it appears that the ancestral plastid in this group had a red algal origin via an ancient secondary endosymbiosis. However, recent analyses have turned up a handful of nuclear genes in chromalveolates that are of green algal derivation. Using a genome-wide approach to estimate the "green" contribution to diatoms, we identified >1700 green gene transfers, constituting 16\% of the diatom nuclear coding potential. These genes were probably introduced into diatoms and other chromalveolates from a cryptic endosymbiont related to prasinophyte-like green algae. Chromalveolates appear to have recruited genes from the two major existing algal groups to forge a highly successful, species-rich protist lineage. 10.1126/science.1172983}, author = {Moustafa, Ahmed and Beszteri, Bank and Maier, Uwe G. and Bowler, Chris and Valentin, Klaus and Bhattacharya, Debashish}, citeulike-article-id = {4964534}, citeulike-linkout-0 = {http://dx.doi.org/10.1126/science.1172983}, citeulike-linkout-1 = {http://www.sciencemag.org/content/324/5935/1724.abstract}, citeulike-linkout-2 = {http://www.sciencemag.org/content/324/5935/1724.full.pdf}, citeulike-linkout-3 = {http://www.sciencemag.org/cgi/content/abstract/324/5935/1724}, citeulike-linkout-4 = {http://view.ncbi.nlm.nih.gov/pubmed/19556510}, citeulike-linkout-5 = {http://www.hubmed.org/display.cgi?uids=19556510}, day = {26}, doi = {10.1126/science.1172983}, issn = {1095-9203}, journal = {Science}, keywords = {algae, diatoms, endosymbiosis, horizontal, photosynthesis, phylogenomics}, month = {June}, number = {5935}, pages = {1724--1726}, posted-at = {2009-06-25 23:38:32}, priority = {0}, title = {Genomic Footprints of a Cryptic Plastid Endosymbiosis in Diatoms}, url = {http://dx.doi.org/10.1126/science.1172983}, volume = {324}, year = {2009} }

TY - JOUR ID - citeulike:4964534 L3 - citeulike-article-id:4964534 N2 - Diatoms and other chromalveolates are among the dominant phytoplankters in the world's oceans. Endosymbiosis was essential to the success of chromalveolates, and it appears that the ancestral plastid in this group had a red algal origin via an ancient secondary endosymbiosis. However, recent analyses have turned up a handful of nuclear genes in chromalveolates that are of green algal derivation. Using a genome-wide approach to estimate the "green" contribution to diatoms, we identified >1700 green gene transfers, constituting 16% of the diatom nuclear coding potential. These genes were probably introduced into diatoms and other chromalveolates from a cryptic endosymbiont related to prasinophyte-like green algae. Chromalveolates appear to have recruited genes from the two major existing algal groups to forge a highly successful, species-rich protist lineage. 10.1126/science.1172983 IS - 5935 JF - Science SN - 1095-9203 EP - 1726 TI - Genomic Footprints of a Cryptic Plastid Endosymbiosis in Diatoms VL - 324 SP - 1724 KW - algae KW - diatoms KW - endosymbiosis KW - horizontal KW - photosynthesis KW - phylogenomics AU - Moustafa, Ahmed AU - Beszteri, Bank AU - Maier, Uwe AU - Bowler, Chris AU - Valentin, Klaus AU - Bhattacharya, Debashish PY - 2009/06/26/ UR - http://dx.doi.org/10.1126/science.1172983 ER -