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      DNA-based detection and identification of Glomeromycota: the virtual taxonomy of environmental sequences

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      Botany
      Canadian Science Publishing

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          Phylogenetic species recognition and species concepts in fungi.

          The operational species concept, i.e., the one used to recognize species, is contrasted to the theoretical species concept. A phylogenetic approach to recognize fungal species based on concordance of multiple gene genealogies is compared to those based on morphology and reproductive behavior. Examples where Phylogenetic Species Recognition has been applied to fungi are reviewed and concerns regarding Phylogenetic Species Recognition are discussed.
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            The online database MaarjAM reveals global and ecosystemic distribution patterns in arbuscular mycorrhizal fungi (Glomeromycota).

            • Here, we describe a new database, MaarjAM, that summarizes publicly available Glomeromycota DNA sequence data and associated metadata. The goal of the database is to facilitate the description of distribution and richness patterns in this group of fungi. • Small subunit (SSU) rRNA gene sequences and available metadata were collated from all suitable taxonomic and ecological publications. These data have been made accessible in an open-access database (http://maarjam.botany.ut.ee). • Two hundred and eighty-two SSU rRNA gene virtual taxa (VT) were described based on a comprehensive phylogenetic analysis of all collated Glomeromycota sequences. Two-thirds of VT showed limited distribution ranges, occurring in single current or historic continents or climatic zones. Those VT that associated with a taxonomically wide range of host plants also tended to have a wide geographical distribution, and vice versa. No relationships were detected between VT richness and latitude, elevation or vascular plant richness. • The collated Glomeromycota molecular diversity data suggest limited distribution ranges in most Glomeromycota taxa and a positive relationship between the width of a taxon's geographical range and its host taxonomic range. Inconsistencies between molecular and traditional taxonomy of Glomeromycota, and shortage of data from major continents and ecosystems, are highlighted.
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              Incorporating the Soil Community into Plant Population Dynamics: The Utility of the Feedback Approach

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                Author and article information

                Journal
                Botany
                Botany
                Canadian Science Publishing
                1916-2790
                1916-2804
                February 2014
                February 2014
                : 92
                : 2
                : 135-147
                Article
                10.1139/cjb-2013-0110
                3dfcedd0-1bec-434a-bf17-a3d6c8ece6f5
                © 2014

                http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining

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