A new function of graphene oxide emerges: inactivating phytopathogenic bacterium Xanthomonas oryzae pv. Oryzae
Source abstract
Abstract
Xanthomonas oryzae pv. oryzae (Xoo) is one representative phytopathogenic bacterium causing bacteria infections in rice. The antibacterial activity of graphene suspended in different dispersants against Xoo was first investigated. Bacteriological test data, fluorescence microscope and transmission electron microscopy images are provided, which yield insight into the antibacterial action of the nanoscale materials. Surprisingly, the results showed graphene oxide (GO) exhibits superior bactericidal effect even at extremely low dose in water (250 μg/mL), almost killing 94.48 % cells, in comparison to common bactericide bismerthiazol with only 13.3 % mortality. The high efficiency in inactivating the bacteria on account of considerable changes in the cell membranes caused by the extremely sharp edges of graphene oxide and generation of reactive oxygen species, which may be the fatal factor for bacterial inactivation. Given the superior antibacterial effect of GO and the fact that GO can be mass-produced with low cost, we expect a new application could be developed as bactericide for controlling plant disease, which may be a matter of great importance for agricultural development.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Graphene and Nanomaterials Applications · Nanoparticles: synthesis and applications · Carbon and Quantum Dots Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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