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Comparison of community composition of heterotrophic protists determined by clone libraries and SAG libraries. Results are shown from 18S rRNA gene primer pairs: (a) 528f/EukB and (b) Euk1A/516r. Phyla abbreviations are (clockwise, from 12 o'clock): Cercozoa, Dinophyceae, Telonemida, Choanoflagellida, Picobiliphyte, Stramenopile and Katablepharidaceae. In both cases SAG libraries revealed more diversity than clone libraries.
