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Physiology of Batrachochytrium dendrobatidis, a chytrid pathogen of amphibians.
The zoospore activity, physiology and protease production of B. dendrobatidis is investigated to help understand the epidemiology of this pathogen, which is implicated in severe population declines on several continents. Expand
Hunger Artists: Yeast Adapted to Carbon Limitation Show Trade-Offs under Carbon Sufficiency
- Jared W. Wenger, J. Piotrowski, S. Nagarajan, K. Chiotti, G. Sherlock, Frank Rosenzweig
- Biology, Medicine
- PLoS genetics
- 1 August 2011
It is shown that yeast evolved under aerobic glucose limitation show surprisingly few trade-offs when cultured in other carbon-limited environments, under either aerobic or anaerobic conditions, and concludes that yeasts that evolve high fitness under one resource-limiting condition also become more fit under other resource- Limiting conditions, but may pay a fitness cost when those same resources are abundant. Expand
Recurrent Rearrangement during Adaptive Evolution in an Interspecific Yeast Hybrid Suggests a Model for Rapid Introgression
The architecture of the MEP2 rearrangement suggests a model for rapid introgression, a phenomenon seen in numerous eukaryotic phyla, that does not require repeated backcrossing to one of the parental species. Expand
Different selective pressures lead to different genomic outcomes as newly-formed hybrid yeasts evolve
- J. Piotrowski, S. Nagarajan, +6 authors Frank Rosenzweig
- Biology, Medicine
- BMC Evolutionary Biology
- 2 April 2012
This is the first study to show experimentally that the genomic fate of newly-formed interspecific hybrids depends on the type of selection they encounter during the course of evolution, underscoring the importance of the ecological theatre in determining the outcome of the evolutionary play. Expand
Physiology of Batrachochytrium dendrobatidis, a chytrid pathogen of amphibians
Batrachochytrium dendrobatidis is a pathogen of amphibians that has been implicated in severe population declines on several continents. We investigated the zoospore activity, physiology and protease… Expand
Ecology of sulfate-reducing bacteria in an iron-dominated, mining-impacted freshwater sediment.
- S. Ramamoorthy, J. Piotrowski, H. Langner, W. Holben, M. Morra, R. Rosenzweig
- Chemistry, Medicine
- Journal of environmental quality
- 1 March 2009
Observations support the view that biogenic sulfides may act in concert with reduced iron to retain soluble metal(loid)s in the solid phase. Expand
Suitability of Cultivation of Some Perennial Plant Species on Sewage Sludge
The 4-year experimental results unambiguously point to Sida hermaphrodita as a useful species to grow on sewage sludge. Expand
Sesquiterpene lactones. VI. Lactones of Carduinae subtribe.
Interspecific Yeast Hybrids and Their Ancestors Follow Different Evolutionary Trajectories Under Resource Limitation