Publications by authors named "Charles G Kramer"
Article Synopsis
- Mobile genetic elements in bacteria can introduce new traits, leading to the emergence of new lineages that produce Thaxtomin, a toxin linked to common scab disease in crops.
- Researchers analyzed genomes from 166 bacterial strains over six decades, finding that virulence genes relate to various genetic element subtypes that have distinct transmission mechanisms and evolutionary histories.
- The study revealed that pathogenic strains of these bacteria are mostly found in potato fields, suggesting that their spread is due to historical events and a few recent transmissions, which impacts our understanding of bacterial evolution in agricultural contexts.
Several species of cause common scab, a major disease of potato, primarily through the phytotoxic effects of the phytotoxin thaxtomin A. Several phytopathogenic species have also been implicated as the causative agents of scab diseases of taproot crops including beet, carrot, radish, parsnip, and turnip. But the molecular mechanisms employed by to infect these crops is unknown.
View Article and Find Full Text PDFThe genus includes several phytopathogenic species that cause common scab, a devastating disease of tuber and root crops, in particular potato. The diversity of species that cause common scab is unknown. Likewise, the genomic context necessary for bacteria to incite common scab symptom development is not fully characterized.
View Article and Find Full Text PDFArticle Synopsis
- Common scab of potato is a disease caused by pathogens producing a toxin called thaxtomin, leading to the assumption that resistance to one strain means resistance to all.
- Research involving 55 potato cultivars showed varying levels of resistance across different species of the common scab pathogen, challenging the idea of universal resistance.
- The findings emphasize the importance of considering local pathogen populations when choosing potato cultivars for disease resistance, as not all cultivars are universally resistant.