[Seminars] PSB event reminder
contact at psb.vib-ugent.be
contact at psb.vib-ugent.be
Fri Jun 18 09:10:01 CEST 2010
Calendar Name: seminars
Scheduled for: Friday, June 18 2010, 11:00 - 12:30
Event text: Atle M. Bones
CMBG, Department of Biology
Norwegian University of Science and Technology
Trondheim
NORWAY
Details: "From Arabidopsis thaliana to Seminavis robusta:
establishing a new diatom model system for functional
genomics"
ABSTRACT
Starting research on Arabidopsis thaliana in the 1960´s
our department has a long track record of using the #1
model in plant science. Although other plants are in use
the major part of our activity is still on Arabidopsis.
However, we aim to establish other model systems and I
will address some questions related to the establishment
of Seminavis robusta as a laboratory model system for
research on diatoms.
Diatoms are unicellular photosynthetic algae present in
marine and fresh water down to depths to which radiation
can be photosynthetically exploited. Being evolutionary
successful with perhaps as many as 200 000 species
diatoms are major global contributors to marine primary
production and to the biological carbon pump and
biogeochemical cycles.
Recently, the genomes of two diatoms, Thalassiosira
pseudonana and Phaeodactylum tricornutum have been
sequenced (Armbrust et al. 2004; Bowler et al. 2008).
These two diatoms and other algae are in use in various
experiments in our department related to e.g. light
acclimation and bioenergy issues.
Getting culture start help from professor Wim Vyverman´s
group we have set out to establish Seminavis robusta as
a laboratory workhorse. Basic techniques for
cultivation, extraction of molecules, mating and
transformation and imaging are being established. We
are also aiming to sequence the Seminavis robusta
genome. This work has been started and I will briefly go
through the results so far and the reasoning behind the
choice of Seminavis as a model system.
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