Journal
EUROPEAN JOURNAL OF PROTISTOLOGY
Volume 56, Issue -, Pages 232-249Publisher
ELSEVIER GMBH
DOI: 10.1016/j.ejop.2016.09.004
Keywords
Fruit trypanosomatids; Host-parasite relationships; Phytophagous insects; Phylogeny; Plant parasites; Taxonomy
Categories
Funding
- Brazilian agency CNPq
- Brazilian agency FAPESP
- Brazilian agency CAPES
- CAPES (PNIPB)
- PNPD postdoctoral program of CAPES
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The genus Phytomonas includes trypanosomatids transmitted to the fruits, latex, and phloem of vascular plants by hemipterans. We inferred the phylogenetic relationships of plant and insect isolates assigned to the previously defined genetic groups A-F and H of Phytomonas, particularly those from groups A, C and E comprising flagellates of Solanaceae fruits. Phylogenetic analyses using glycosomal Glyceraldehyde Phosphate Dehydrogenase (gGAPDH) and Small Subunit rRNA (SSU rRNA) genes strongly supported the monophyly of the genus Phytomonas and its division into seven main infrageneric phylogenetic lineages (Phy clades). Isolates from fruit or latex do not constitute monophyletic assemblages but disperse through more than one lineages. In this study, fruit flagellates were distributed in three clades: PhyA, formed by isolates from Solanaceae and phytophagous hemipterans; PhyC comprising flagellates from four plant families; and PhyE, which contains 15 fruit isolates from seven species of Solanaceae. The flagellates of PhyE are described as Phytomonas dolleti n. sp. according to their positioning in phylogenetic trees, complemented by data about their life cycle, and developmental and morphological characteristics in cultures, fruits of Solanum spp., and salivary glands of the vector, the phytophagous hemipteran Arvelius albopunctatus (Pentatomidae). Crown Copyright (C) 2016 Published by Elsevier GmbH. All rights reserved.
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