2026-04-17T05:12:57Zhttps://recercat.cat/oai/requestoai:recercat.cat:20.500.12327/31032025-10-22T11:11:05Zcom_2072_4428com_2072_4427col_2072_487898
RECERCAT
author
Quijano-Scheggia, Sonia
author
Garcés, Esther
author
Andree, Karl
author
de la Iglesia, Pablo
author
Diogène, Jorge
author
Fortuño, Jose-Manuel
author
Camp, Jordi
other
Producció Animal
group
Aigües Marines i Continentals
group
Aqüicultura
2025-10-22T11:11:05Z
2025-10-22T11:11:05Z
2010-06-30
Quijano-Scheggia, Sonia, Esther Garcés, Karl B. Andree, Pablo De La Iglesia, Jorge Diogène, José Manuel Fortuño, and Jordi Camp. 2010. “Pseudo-nitzschia Species on the Catalan Coast: Characterization and Contribution to the Current Knowledge of the Distribution of This Genus in the Mediterranean Sea.” Scientia Marina 74 (2): 395–410. doi: 10.3989/scimar.2010.74n2395
0214-8358
http://hdl.handle.net/20.500.12327/3103
https://doi.org/10.3989/scimar.2010.74n2395
Proliferations of the genus Pseudo-nitzschia recur along the Catalan coast (NW Mediterranean) throughout the
year. The establishment of 58 clonal cultures facilitated morphological studies with scanning electron microscopy (SEM)
and ITS 5.8S rDNA sequence characterization. Moreover, strains of each species were examined with respect to sexual
compatibility and toxicity. The results of the morphological and phylogenetic studies confirmed nine species of the genus
Pseudo-nitzschia: P. brasiliana, P. calliantha, P. delicatissima clade A/del 2, P. arenysensis, P. fraudulenta, P. galaxiae, P.
linea, P. multistriata and P. pungens clade I. Moreover, two Pseudo-nitzschia species, P. caciantha and P. cf mannii, could
only be identified following SEM analysis of their morphology. None of the cultured strains of Pseudo-nitzschia analyzed
produced domoic acid in amounts above the limit of detection. The current distributions of the Pseudo-nitzschia species in
the Mediterranean Sea were plotted on maps, which led to the following observations: i) diversity within this genus is much
greater than previously considered, ii) some species have a broad distribution (e.g. P. calliantha), iii) whereas the distribution of others is narrowly restricted (e.g. P. pungens clade I). Moreover, this study reports the first detection of P. linea in
the Mediterranean Sea and is the first description of P. galaxiae and P. cf mannii along the Catalan coast. Morphological
studies coupled with molecular biological characterization, mating tests and biogeographic distribution analyses provide a
critical theoretical basis for testing and/or implementing the current phylogenetic framework in the genus Pseudo-nitzschia.
eng
Attribution 4.0 International
Pseudo-nitzschia species on the Catalan coast: characterization and contribution to the current knowledge of the distribution of this genus in the Mediterranean Sea
info:eu-repo/semantics/article