Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Sassmann, S; Wernitznig, S; Lichtscheidl, IK; Lang, I.
Comparing copper resistance in two bryophytes: Mielichhoferia elongata Hornsch. versus Physcomitrella patens Hedw.
Protoplasma. 2010; 246(1-4): 119-123.
Doi: 10.1007/s00709-010-0106-z
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- Co-Autor*innen der Med Uni Graz
- Wernitznig Stefan
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- Abstract:
- The bryophyte Mielichhoferia elongata is known to occur on copper-rich substrate, but the exact resistance level remained to be determined by in vitro experiments. Here, we tested its copper tolerance in graded copper solutions and compared the results to the moss Physcomitrella patens that is not known to inhabit heavy metal sites. Our results confirm the survival of M. elongata in classical resistance experiments of up to 10 mM Cu-ethylenediaminetetraacetic acid (EDTA) solution. Interestingly, P. patens is equally resistant. Cultured on copper-enriched agar plates for over 5 weeks, P. patens survived even higher copper levels of up to 100 mM Cu-EDTA and an increment of growth was detected on all concentrations tested. Obviously, P. patens is able to withstand harmfully high levels of copper in both solution and substrate. In this short communication, we give a detailed description of the growth rates and discuss the results in comparison to other moss species and heavy metals.
- Find related publications in this database (using NLM MeSH Indexing)
- Bryophyta - chemistry Bryophyta - metabolism
- Bryopsida - chemistry Bryopsida - metabolism
- Copper - chemistry Copper - metabolism Copper - pharmacology
- Find related publications in this database (Keywords)
- Bryophytes
- Copper resistance
- Heavy metal resistance
- Mielichhoferia elongata Hornsch.
- Physcomitrella patens Hedw.