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Fig. 7 | BMC Zoology

Fig. 7

From: The neotypification of Frontonia vernalis (Ehrenberg, 1833) Ehrenberg, 1838 and the description of Frontonia paravernalis sp. nov. trigger a critical revision of frontoniid systematics

Fig. 7

Phylogenetic tree of the Chlorella clade based on 18S rDNA sequences. Phylogenetic relationships of endosymbionts from Italian and Russian population of Frontonia paravernalis sp. nov. (IPSal+sm, FSPBsm) and from Italian population of Frontonia vernalis (IPSal+b) are shown. Endosymbionts from the same Frontonia species (IPSal+sm, FSPBsm - Italian and Russian F. paravernalis) cluster relatively far from each other, instead endosymbionts from the same site (Italy) cluster together, although they are hosted by different species (F. paravernalis - IPSal+sm and F. vernalis - IPSal+b). Numbers associated to nodes represent posterior probability from Bayesian inference (BI) and bootstrap value from maximum likelyhood (ML) analyses, respectively (only values of BI > 0.80 and ML > 75% are shown). Black dots represent the highest statistical support (BI = 1.00 and ML = 100); white dots indicate non-significant statistical support (BI < 0.80 and ML < 75). Sequences obtained in the present work are in bold

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