I know it's an unpleasant topic to discuss mycorrhizal taxonomy, but I just can't wrap my head around this: I have analysed some root samples (wheat, UK) regarding their fungal endophytes with specific focus on Glomeromycota (arbuscular mycorrhizal fungi, AMF) and with both ITS1 and ITS2 I got Glomus invermaium as the most abundant phylotype. Now two points:
1. According to AMF taxonomy, this species (or whatever we talk about in AMF) was renamed Rhizophagus invermaius by Walker (2016), why was this not updated in the UNITE-database?
2. I hardly find Glomus invermaium/Rhizophagus invermaius in the literature, therefore I find it a bit suspicious that my samples are dominated by it. Is this an ITS-artefact? I should probably ignore the species assignment based on this marker anyway, but perhaps other people have encountered the same. Thanks!
Basically for a taxa morphology is more important than any chemical or molecular characters. How far we adopt it for dominance of geographical distribution from ecological point of view needs to be convincingly enumerated.
Modern sequencing is the interpretation by bioinformatics software which is a statistical probability.
The fungus Glomus invermaium is one of the Arbuscular Mycorrhizal Fungi (AMF) which belongs to the phylum Glomeromycota which recently established by Hibbett et al.
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