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- Title
Discovering Metal-Tolerant Endophytic Fungi from the Phytoremediator Plant <italic>Phragmites</italic>.
- Authors
Sim, Carrie Siew Fang; Cheow, Yuen Lin; Ng, Si Ling; Ting, Adeline Su Yien
- Abstract
Fifteen endophytic isolates were recovered from the phytoremediator plant <italic>Phragmites</italic>. Phylogenetic analysis revealed they were primarily from the class Sordariomycetes and Dothiodiomycetes. Most of the endophytes in Sordariomycetes were from the orders Diaporthales (six isolates, e.g., <italic>Diaporthe</italic>, <italic>Phomopsis</italic>), Hypocreales (two isolates, e.g., <italic>Gliomastix</italic>, <italic>Trichoderma</italic>), and Xylariales (one isolate, e.g., <italic>Arthrinium</italic>), while members from Dothideomycetes were from the order Pleosporales (six isolates, e.g., <italic>Bipolaris</italic>, <italic>Curvularia</italic>, <italic>Microsphaeropsis</italic>, <italic>Saccharicola</italic>). The endophytes demonstrated varying responses to the metals (Al3+, Cu2+, Zn2+, Pb2+, and Cd2+) and concentrations (10, 25, 50, 100, and 200 mg L−1) tested, with isolates of Dothideomycetes predominantly more tolerable to metals (80-97% tolerance) than Sordariomycetes (73-90% tolerance). Pb2+ was the least harmful towards the endophytes, while Al3+ appeared to be highly toxic with mean tolerable range (TR) of > 200 and 25-50 mg L−1, respectively. Endophytes thriving in toxic metals may further be applied for biocontrol, bioremediation, or growth-promoting purposes in metal-contaminated areas.
- Subjects
PHOMOPSIS; ENDOPHYTIC fungi; PHRAGMITES; PHYTOREMEDIATION; DIAPORTHALES
- Publication
Water, Air & Soil Pollution, 2018, Vol 229, Issue 3, p1
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1007/s11270-018-3733-1