Publikation:

Characterization of microcystin production in an Antarctic cyanobacterial mat community

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Datum

2006

Autor:innen

Jungblut, Anne-Dorothee
Höger, Stefan J.
Mountfort, Doug
Hitzfeld, Bettina C.
Neilan, Brett A.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-49855
DOI (zitierfähiger Link)
https://doi.org/10.1016/j.toxicon.2005.11.002
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Open Access-Veröffentlichung
Open Access Green

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Biologie: Publikationen
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Published

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Toxicon. 2006, 47(3), pp. 271-278. ISSN 0041-0101. Available under: doi: 10.1016/j.toxicon.2005.11.002

Zusammenfassung

Cyanobacteria are well known for their production of non-ribosomal cyclic peptide toxins, including microcystin, in temperate and tropical regions, however, the production of these compounds in extremely cold environments is still largely unexplored. Therefore, we investigated the production of protein phosphatase inhibiting microcystins by Antarctic cyanobacteria. We have identified microcystin-LR and for the first time [d-Asp3] microcystin-LR by mass spectrometric analysis in Antarctic cyanobacteria. The microcystins were extracted from a benthic microbial community that was sampled from a meltwater pond (Fresh Pond, McMurdo Ice Shelf, Antarctica). The extracted cyanobacterial cyclic peptides were equivalent to 11.4 ng MC-LR per mg dry weight by semi-quantitative analyses using HPLC-DAD and the protein phosphatase inhibition assay. Furthermore, we were able to identify the presence of cyanobacterial non-ribosomal peptide synthetase (NRPS) and polyketide synthase (PKS) genes in total DNA extracts from the mat community.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
570 Biowissenschaften, Biologie

Schlagwörter

Cyanobacteria, Microcystin, Mass spectrometry, Non-ribosomal peptide synthetase, Antarctica

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ISO 690JUNGBLUT, Anne-Dorothee, Stefan J. HÖGER, Doug MOUNTFORT, Bettina C. HITZFELD, Daniel R. DIETRICH, Brett A. NEILAN, 2006. Characterization of microcystin production in an Antarctic cyanobacterial mat community. In: Toxicon. 2006, 47(3), pp. 271-278. ISSN 0041-0101. Available under: doi: 10.1016/j.toxicon.2005.11.002
BibTex
@article{Jungblut2006Chara-7077,
  year={2006},
  doi={10.1016/j.toxicon.2005.11.002},
  title={Characterization of microcystin production in an Antarctic cyanobacterial mat community},
  number={3},
  volume={47},
  issn={0041-0101},
  journal={Toxicon},
  pages={271--278},
  author={Jungblut, Anne-Dorothee and Höger, Stefan J. and Mountfort, Doug and Hitzfeld, Bettina C. and Dietrich, Daniel R. and Neilan, Brett A.}
}
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