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SHORT COMMUNICATION Functional divergence in heat shock response following rapid
 

Summary: SHORT COMMUNICATION
Functional divergence in heat shock response following rapid
speciation of Fucus spp. in the Baltic Sea
AsuncioŽn Lago-LestoŽn · Catarina Mota ·
Lena Kautsky · Gareth A. Pearson
Received: 20 July 2009 / Accepted: 12 November 2009 / Published online: 28 November 2009
Ó Springer-Verlag 2009
Abstract In the Baltic Sea, the broadly distributed brown
alga Fucus vesiculosus coexists in sympatry over part of its
range (south west Gulf of Bothnia) with the Baltic endemic
F. radicans sp. nov, while further north in colder and
lower-salinity areas of the Baltic F. radicans occurs alone
(north west Gulf of Bothnia). F. radicans appears to have
arisen via rapid speciation from F. vesiculosus within the
recent history of the Baltic (ca. 7500 BP). Possible func-
tional divergence between the two species was investigated
by comparing stress-responsive gene expression in a
common-garden experiment. The experiment used two
allopatric populations of Fucus vesiculosus from the
Skagerrak (North Sea) and Central Baltic, as well as

  

Source: Alberto, Filipe - Centro de Ciencias do Mar, Universidade do Algarve

 

Collections: Environmental Sciences and Ecology; Biology and Medicine