Marcio James Goncalves de Lima's research while affiliated with Federal University of Pernambuco and other places

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Publication (1)

Figure 1-Thin layer chromatogram of organic extracts of Cladia...
Figure 2-Liquid chromatogram of purified barbatic acid (A) and organic...
Figure 3-Structure of barbatic acid (C 19 H 20 O 7 ), according to...
Cladia aggregata (lichen) from Brazilian Northeast: Chemical Characterization and Antimicrobial Activity
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  • Feb 2010
The chemical composition and antimicrobial activity of the Cladia aggregata (Sw.) Nyl. were evaluated. Barbatic acid, depside obtained from C. aggregata, was spectroscopically analyzed and tested, as well as organic extracts. The extracts and purified substance were tested against four Staphylococcus aureus multi-resistant strains. The structure of...
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Citations

... The main factors determining the presence and growth of AMF appear to be soil properties and vegetation composition (Melo et al 2019). Despite the extreme conditions found in Antarctica, non-lichenised fungi are found in the soil (Bridge & Newsham, 2009;Arenz et al., 2014) alongside lichen, which can produce allelochemicals that affect AMF (Martins et al., 2010;Tigre et al., 2012) by influencing mycorrhizal associations and acting as mutualism stimulators (Santiágo et al., 2018). Furthermore, 75 some organic compounds produced by lichens, such as usnic and perlatolic acid, are also important carbon sources for the soil microbial community (Stark a Hyvärinen 2003). ...
Reference: Soil organic matter interactions along the elevation gradient of the James Ross Island (Antarctica)
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