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The solitary ascidian Styela plicata is an introduced species in harbors of temperate and tropical oceans around the world. The invasive potential of this species has been studied through reproductive biology and population genetics but no study has yet examined the microbial diversity associated with this ascidian and its potential role in host ecology and invasiveness. Here, we used 16S rRNA gene...
The exterior and interior of plants, aboveground and belowground, comprise a complex plant micro-ecosystem, known in recent years as the phytosphere. There are three components: the phyllosphere, endosphere, and rhizosphere. Although in comparison with other ecosystems the phytosphere is small, it similarly includes a great variety of functional microbes. Among these are certain microbes that live...
Given that arbuscular mycorrhizal (AM) fungi are not consistently beneficial to their host plants, it is difficult to explain the evolutionary persistence of this relationship. We tested the hypothesis that increasing either fungal or host biodiversity allows an AM fungus to persist on a host where it shows little benefit. We found that growing such a fungus (an isolate of Glomus custos associating...
Symbiosis with microorganisms has been well documented for many marine invertebrate taxa. However, knowledge of the diversity of microorganisms associated with ascidians is still limited. This study assessed the microbial epibionts of Didemnum galacteum and Cystodytes sp., two ascidian species collected from the western coast of Ceará state (Brazil), at Dois Coqueiros beach and the port of Pecém,...
We studied extent and type of arbuscular mycorrhizal (AM) and septate endophytic (SE) fungal associations in five lycophytes and 50 ferns collected from Eastern and Western Ghats regions. Of the 54 species and one variety (belonging to 31 genera) examined; 54 taxa had AM association and AM fungal structures were absent in Marsilea quadrifolia. This is the first report of AM and SE fungal status for...
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