ArticlePlant biotechnology journal2017
Expression in grasses of multiple transgenes for degradation of munitions compounds on live-fire training ranges.
Article in Plant biotechnology journal, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 29 citations in OpenAlex.
- Toward a monocot SynBio toolkit: assessing regulatory element performance and eudicot compatibility.Plant cell reports · 2025Article
- UDP-glycosyltransferase UGT96C10 functions as a novel detoxification factor for conjugating the activated dinitrotoluene sulfonate in switchgrass.Plant biotechnology journal · 2024Article
- Field trial demonstrating phytoremediation of the military explosive RDX by XplA/XplB-expressing switchgrass.Nature biotechnology · 2021Article
- Reductive Cytochrome P450 Reactions and Their Potential Role in Bioremediation.Frontiers in microbiology · 2021Review
- Industry-Informed Workshops to Develop Graduate Skill Sets in the Circular Economy Using Systems Thinking.Journal of chemical education · 2019Article
- Enhanced plasmid-mediated bioaugmentation of RDX-contaminated matrices in column studies using donor strain Gordonia sp. KTR9.Journal of industrial microbiology & biotechnology · 2019Article
- Genetic modification of western wheatgrass (Pascopyrum smithii) for the phytoremediation of RDX and TNT.Planta · 2019Article
- Phytodetoxification of TNT by transplastomic tobacco (Nicotiana tabacum) expressing a bacterial nitroreductase.Plant molecular biology · 2017Article
- Core Concept: Phytoremediation advances in the lab but lags in the field.Proceedings of the National Academy of Sciences of the United States of America · 2017Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The deposition of toxic munitions compounds, such as hexahydro-1, 3, 5-trinitro-1, 3, 5-triazine (RDX), on soils around targets in live-fire training ranges is an important source of groundwater contamination. Plants take up RDX but do not significantly degrade it. Reported here is the transformation of two perennial grass species, switchgrass (Panicum virgatum) and creeping bentgrass (Agrostis stolonifera), with the genes for degradation of RDX. These species possess a number of agronomic traits making them well equipped for the uptake and removal of RDX from root zone leachates. Transformation vectors were constructed with xplA and xplB, which confer the ability to degrade RDX, and nfsI, which encodes a nitroreductase for the detoxification of the co-contaminating explosive 2, 4, 6-trinitrotoluene (TNT). The vectors were transformed into the grass species using Agrobacterium tumefaciens infection. All transformed grass lines showing high transgene expression levels removed significantly more RDX from hydroponic solutions and retained significantly less RDX in their leaf tissues than wild-type plants. Soil columns planted with the best-performing switchgrass line were able to prevent leaching of RDX through a 0.5-m root zone. These plants represent a promising plant biotechnology to sustainably remove RDX from training range soil, thus preventing contamination of groundwater.
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Registered trials
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