NDLI: Detection of Planktothrix rubescens (Cyanobacteria) associated with microcystin production in a freshwater reservoir

Content Provider	Springer Nature Link
Author	Pauli, Sérgio Valério, Elisabete Faria, Natália Fastner, Jutta Welker, Martin Tenreiro, Rogério Pereira, Paulo
Copyright Year	2008
Abstract	So far, the presence of microcystins in Portuguese freshwater resources has always been attributed to the bloom-forming cyanobacteria Microcystis aeruginosa. In 2005, however, microcystins were detected at the Beliche reservoir (Algarve, South Portugal), following the development of a bloom dominated by Planktothrix rubescens. The identity of the causative organism was confirmed by combining both morphological and 16S rRNA gene sequence analysis. Its ability to produce microcystins was confirmed by HPLC and MALDI-TOF MS. Unlike M. aeruginosa that usually accumulates near the water surface, P. rubescens found at the Beliche reservoir accumulated only at deep water levels. Being invisible from the surface, the occurrence of toxic P. rubescens in freshwater resources requires special attention when designing site inspection and sampling procedures for the correct risk assessment and management of cyanobacterial blooms in the field.
Starting Page	207
Ending Page	211
Page Count	5
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	621
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-11-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cyanobacteria Microcystins Planktothrix rubescens Zoology Ecology Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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