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Microbial Diversity In The Eukaryotic Sar Clade: Illuminating The Darkness Between Morphology And Molecular Data, Jean David Grattepanche, Laura M. Walker, Brittany M. Ott, Daniela L. Paim Pinto, Charles F. Delwiche, Christopher E. Lane, Laura A. Katz

Biological Sciences Faculty Publications

Despite their diversity and ecological importance, many areas of the SAR—Stramenopila, Alveolata, and Rhizaria—clade are poorly understood as the majority (90%) of SAR species lack molecular data and only 5% of species are from well-sampled families. Here, we review and summarize the state of knowledge about the three major clades of SAR, describing the diversity within each clade and identifying synapomorphies when possible. We also assess the “dark area” of SAR: the morphologically described species that are missing molecular data. The majority of molecular data for SAR lineages are characterized from marine samples and vertebrate hosts, highlighting the need for …