Plant pathogenic bacteria of genus Clavibacter were found in glacial ice across the World. (see Christner, B. C., Mosley-Thompson, E., Thompson, L. G., Zagorodnov, V., Sandman, K., & Reeve, J. N. (2000). Recovery and identification of viable bacteria immured in glacial ice. Icarus, 144(2), 479-485. and other publications). We have found it in underground waters used for irrigation. Is there any projects devoted to plant pathogens underground?
Dear Alex,
there are some studies on detection of plant pathogens in natural water sources and irrigation waters. Also we carried out a few studies for detection of plant pathogenic viruses in running waters. As follows;
Article Plant viruses in Ankara rivers and lakes
Conference Paper Occurrence of plant viruses in irrigation waters of potato c...
So, according to me, as long as pathogens keep their stability and infectivity, they will always keep their threat to host.
Best
Birol, thank you!
We have some data on plant pathogens in surface irrigation waters, and they are in very good agreement with diseases incidence in field. But, I mean the chance for presence of plant pathogens in deep subterranean waters. Some related to plant pathogens gram+ bacteria have been found already:
Kondakova GV, Verkhovtseva NV, Osipov GA. Investigation of microbial diversity of underground waters in monitoring deep horizons of the Earth’s crust. Moscow University Biological Sciences Bulletin. 2007 Jun 1;62(2):69-75.
Wu X, Holmfeldt K, Hubalek V, Lundin D, Åström M, Bertilsson S, Dopson M. Microbial metagenomes from three aquifers in the Fennoscandian shield terrestrial deep biosphere reveal metabolic partitioning among populations. The ISME journal. 2015 Oct 20;10(5):1192.
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