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. 2022 Feb 4;12:787290. doi: 10.3389/fmicb.2021.787290

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Copyright © 2022 Frantal, Agatha, Beisser, Boenigk, Darienko, Dirren-Pitsch, Filker, Gruber, Kammerlander, Nachbaur, Scheffel, Stoeck, Qian, Weißenbacher, Pröschold and Sonntag.

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Distribution of the investigated Urotricha strains. Blue squares indicate the occurrence of V4- or V9-markers in a country and the numbers give the number of lakes in which the V4- or V9-markers were found per country. Detailed information about the investigated freshwater lakes can be retrieved from Supplementary Table 2. Since U. furcata and U. pseudofurcata show a 100% sequence similarity in their V9-region, only results for U. furcata are shown.