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- GPH1 is involved in glycerol accumulation in the three-dimensional networks of the nematode-trapping fungus Arthrobotrys oligospora
- Qin-Yi Wu , Yue-Yan Zhu , Cheng-Gang Zou , Ying-Qian Kang , Lian-Ming Liang
- J. Microbiol. 2016;54(11):768-773. Published online October 29, 2016
- DOI: https://doi.org/10.1007/s12275-016-6272-8
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Abstract
- Turgor is very important for the invasive growth of fungal pathogens. Glycerol, a highly osmotic solvent, is considered to play an important role in turgor generation. The nematophagous fungus Arthrobotrys oligospora mainly lives as a saprophyte. In the presence of nematodes, A. oligospora enters the parasitic stage by forming three-dimensional networks (traps) to capture nematodes. In A. oligospora, we found that glycerol accumulated during nematode-induced trap formation. We demonstrated that deleting gph1, which encodes glycogen phosphorylase, decreased the glycerol content, compared with that of a wild-type strain. Although the number of traps induced by nematodes was not affected in the Δgph1 mutant, the capture rate was lower. Meanwhile, deleting gph1 also affected the growth rate and conidiation capacity of the fungus. These results indicate that glycerol derived from GPH1 is essential for the full virulence of A. oligospora against nematodes.
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Citations
Citations to this article as recorded by
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Microbiology Spectrum.2022;[Epub] CrossRef - Regulatory Mechanism of Trap Formation in the Nematode-Trapping Fungi
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Journal of Fungi.2022; 8(4): 406. CrossRef - Natural diversity in the predatory behavior facilitates the establishment of a robust model strain for nematode-trapping fungi
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Proceedings of the National Academy of Sciences.2020; 117(12): 6762. CrossRef
- Recent Advances in Life History Transition with Nematode-Trapping Fungus Arthrobotrys oligospora and Its Application in Sustainable Agriculture
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