Effects of ocean acidification, temperature and nutrient regimes on the appendicularian Oikopleura dioica: a mesocosm study

Troedsson, Christofer; Bouquet, Jean‐Marie; Lobón, Carla M.; Novac, Aliona; Nejstgaard, Jens C.; Dupont, Sam; Bosak, Sunčica; Jakobsen, Hans Henrik; Romanova, N. D.; Pankoke, L.; Isla, Alejandro; Dutz, Jörg; Sazhin, Andrey F.; Thompson, Eric M.

doi:10.1007/s00227-012-2137-9

Cited by 31 publications

(43 citation statements)

References 46 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This supports the concept of resilience of the eukaryotic micro-organism communities (e.g. Paulino et al 2008;Troedsson et al 2013), but still both resilience and CO 2 needs further attention in the future.…”

Section: Ecological Assessmentsupporting

confidence: 75%

“…The concentration of CO 2 can be as high as 90 mmol kg -1 at the base of the plume (Baumberger 2011), which is far higher than the observed range in sea water (81-302 lmol kg -1 ) (Barry et al 2010). Several short-term mesocosm studies on the effect of elevated CO 2 levels have demonstrated a limited response of the microbial communities using dissolved CO 2 in concentration up to 3 times the present ocean concentration of CO 2 (Paulino et al 2008;Riebesell et al 2008;Troedsson et al 2013;Niehoff et al 2013). Despite that the temporal and spatial scale of these mesocosm experiments is challenging, and long-term effects cannot be excluded, the results suggest that large fractions of the microbial communities are resilient to sudden elevated CO 2 levels.…”

Section: Introductionmentioning

confidence: 86%

See 1 more Smart Citation

The influence of vent systems on pelagic eukaryotic micro-organism composition in the Nordic Seas

et al. 2014

Self Cite

View full text Add to dashboard Cite

Deep-sea hydrothermal vents and cold seeps are biological hot spots with chemolithotrophic bacterial production sustaining both benthic and pelagic organisms. Although efforts have been made to understand the diversity and function of the bacterial composition of these systems, first-level consumers, pelagic single cell heterotrophic organisms, which represent an important link between bacterial production and higher trophic levels, remain un-described in hydrothermal vents and seeps of the Nordic Seas. Here, we used a molecular biodiversity assay to investigate the impact of water masses and hydrothermal vents on the eukaryotic micro-organisms surrounding two vents systems, Jan Mayen Vent Field and Loki's Castle, and one cold seep, Håkon Mosby Mud Volcano. The assay generated a total of 482 operational taxonomic units (OTUs) based on a 99 % cut-off value, and the OTUs were grouped according to taxonomic rank. Data analysis using hierarchical clustering and non-metric multidimensional scaling with class as taxonomic entries suggested that water masses followed by depth was the dominant effect on eukaryotic micro-organism diversity. However, in one of the vent systems, Loki's Castle, the community was different compared to the reference station. Our data suggest that while the total production of vent systems is higher than the surrounding waters, the biodiversity of eukaryotic micro-organisms is more influenced by both water masses and depth.

show abstract

Section: Ecological Assessmentsupporting

confidence: 75%

Section: Introductionmentioning

confidence: 86%

The influence of vent systems on pelagic eukaryotic micro-organism composition in the Nordic Seas

et al. 2014

Self Cite

View full text Add to dashboard Cite

show abstract

“…To date, a vast majority of studies are laboratory-based perturbation experiments (e.g., 90 % of the articles in this special issue). However, field studies taking advantage of natural gradients or CO 2 -rich environments (e.g., Johnson et al 2011;Porzio et al 2013) or large-scale field studies using mesocosms (e.g., Troedsson et al 2012) can provide insights into the short-and long-term responses at ecosystem level.…”

Section: Experimental Designmentioning

confidence: 99%

“…3) and only a few included 2 environmental parameters at a time: 37 % combined pH and temperature; two studies combined pH and salinity (Karlberg and Wulff 2012;Lewis et al 2012). Only one study considered 3 parameters (pH, temperature and nutrients; Troedsson et al 2012). When a second parameter is considered, only 2 scenarios were considered for each parameter (with the exception of Hiebenthal et al 2012 considering 5 treatments).…”

Section: Experimental Designmentioning

confidence: 99%

See 1 more Smart Citation

A snapshot of ocean acidification research

Dupont

Pörtner

2013

Mar Biol

Self Cite

View full text Add to dashboard Cite

This special issue compiles 37 manuscripts investigating the biological impacts and societal relevance of ocean acidification. It includes important considerations regarding experimental design, new methods and how ocean acidification science can contribute to society through education and socioeconomic assessment. Altogether, this special issue constitutes a snapshot of recent ocean acidification research. This paper aims at summarizing the key findings and highlights future challenges and research priorities.

show abstract

Oikopleura dioicaculturing made easy: A Low‐Cost facility for an emerging animal model inEvoDevo

Martí-Solans

Ferrández-Roldán

Godoy-Marín

et al. 2014

Genesis

Self Cite

View full text Add to dashboard Cite

Summary: The genome sequencing and the development of RNAi knockdown technologies in the urochordate Oikopleura dioica are making this organism an attractive emergent model in the field of EvoDevo. To succeed as a new animal model, however, an organism needs to be easily and affordably cultured in the laboratory. Nowadays, there are only two facilities in the world capable to indefinitely maintain Oikopleura dioica, one in the SARS institute (Bergen, Norway) and the other in the Osaka University (Japan). Here, we describe the setup of a new facility in the University of Barcelona (Spain) in which we have modified previously published husbandry protocols to optimize the weekly production of thousands of embryos and hundreds of mature animals using the minimum amount of space, human resources, and technical equipment. This optimization includes novel protocols of cryopreservation and solid cultures for long-term maintenance of microalgal stocks-Chaetoceros calcitrans, Isochrysis sp., Rhinomonas reticulate, and Synechococcus sp.-needed for Oikopleura dioica feeding. Our culture system maintains partially inbred lines healthy with similar characteristics to wild animals, and it is easily expandable to satisfy on demand the needs of any laboratory that may wish to use Oikopleura dioica as a model organism. genesis 53: 183-193,

show abstract

Effects of ocean acidification, temperature and nutrient regimes on the appendicularian Oikopleura dioica: a mesocosm study

Cited by 31 publications

References 46 publications

The influence of vent systems on pelagic eukaryotic micro-organism composition in the Nordic Seas

The influence of vent systems on pelagic eukaryotic micro-organism composition in the Nordic Seas

A snapshot of ocean acidification research

Oikopleura dioicaculturing made easy: A Low‐Cost facility for an emerging animal model inEvoDevo

Contact Info

Product

Resources

About