Journal ArticleDOI
The genus Laminaria sensu lato : recent insights and developments
Inka Bartsch,Christian Wiencke,Kai Bischof,Cornelia Buchholz,Bela H. Buck,Anja Eggert,Peter Feuerpfeil,Dieter Hanelt,Sabine Jacobsen,Rolf Karez,Ulf Karsten,Markus Molis,Michael Y. Roleda,Hendrik Schubert,Rhena Schumann,Klaus Valentin,Florian Weinberger,Jutta Wiese +17 more
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This review about the genus Laminaria sensu lato summarizes the extensive literature that has been published since the overview of the genus given by Kain in 1979, and covers recent insights into phylogeny and taxonomy, and discusses morphotypes, ecotypes, population genetics and demography.Abstract:
This review about the genus Laminaria sensu lato summarizes the extensive literature that has been published since the overview of the genus given by Kain in 1979. The recent proposal to divide the genus into the two genera Laminaria and Saccharina is acknowledged, but the published data are discussed under a 'sensu lato' concept, introduced here. This includes all species which have been considered to be 'Laminaria' before the division of the genus. In detail, after an introduction the review covers recent insights into phylogeny and taxonomy, and discusses morphotypes, ecotypes, population genetics and demography. It describes growth and photosynthetic performance of sporophytes with special paragraphs on the regulation of sporogenesis, regulation by endogenous rhythms, nutrient metabolism, storage products, and salinity tolerance. The biology of microstages is discussed separately. The ecology of these kelps is described with a focus on stress defence against abiotic and biotic factors and the role of Laminaria as habitat, its trophic interactions and its competition is discussed. Finally, recent developments in aquaculture are summarized. In conclusion to each section, as a perspective and guide to future research, we draw attention to the remaining gaps in the knowledge about the genus and kelps in general.read more
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Journal ArticleDOI
The retreat of large brown seaweeds on the north coast of Spain: the case of Saccorhiza polyschides
TL;DR: The main purpose of this work was to understand which population processes are more sensitive to increased sea surface temperatures and reductions in the intensity of upwelling episodes in the current scenario of global warming.
Journal ArticleDOI
Sea urchin grazing and kelp re-vegetation in the NE Atlantic
TL;DR: The conclusion is that the reason for the event is unknown and it is too late to find causes 40 years after it took place, however, new data and new geographical analysis tools provide insight into the extent and consequences of this dramatic event, and show re-vegetation of kelp forests in the southernmost area.
Book ChapterDOI
Stress Ecology in Fucus: Abiotic, Biotic and Genetic Interactions
Martin Wahl,Veijo Jormalainen,Britas Klemens Eriksson,James A. Coyer,Markus Molis,Hendrik Schubert,Megan N. Dethier,Rolf Karez,Inken Kruse,Mark Lenz,Gareth A. Pearson,Sven Rohde,Sofia A. Wikström,Jeanine L. Olsen +13 more
TL;DR: A comprehensive review of the genus as an ecological model including what is currently known about the major lineages of Fucus species with respect to hybridization, ecotypic differentiation and speciation as well as life history, population structure and geographic distribution is provided.
Journal ArticleDOI
The biogeography of kelps (Laminariales, Phaeophyceae): a global analysis with new insights from recent advances in molecular phylogenetics
TL;DR: A global summary and geographical analysis of kelp species and their distributions (112 species in 33 genera) is presented and there is a great need for molecular phylogeographical studies to provide evidence for many of the hypotheses presented here based on distributional evidence and the currently accepted taxonomic framework.
Journal ArticleDOI
Climate Change Impacts on Seagrass Meadows and Macroalgal Forests: An Integrative Perspective on Acclimation and Adaptation Potential
Bernardo Duarte,Irene Martins,Rui Rosa,Ana Rita Matos,Michael Y. Roleda,Thorsten B. H. Reusch,Aschwin H. Engelen,Ester A. Serrão,Gareth A. Pearson,João Carlos Marques,Isabel Caçador,Carlos M. Duarte,Carlos M. Duarte,Alexander Jueterbock +13 more
TL;DR: The potential of marine macrophytes to acclimatize and adapt to major climate change effects via intraspecific variation at the genetic, epigenetic, and microbiome levels is reviewed.
References
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Journal ArticleDOI
Orchestrated Transcription of Key Pathways in Arabidopsis by the Circadian Clock
Stacey L. Harmer,John B. Hogenesch,Marty Straume,Hur-Song Chang,Bin Han,Tong Zhu,Xun Wang,Joel A. Kreps,Steve A. Kay,Steve A. Kay +9 more
TL;DR: This study presents a comprehensive view of the temporal compartmentalization of physiological pathways by the circadian clock in a eukaryote.
Journal ArticleDOI
Organic osmolytes as compatible, metabolic and counteracting cytoprotectants in high osmolarity and other stresses
TL;DR: Organic osmolytes are small solutes used by cells of numerous water-stressed organisms and tissues to maintain cell volume and have applications in biotechnology, agriculture and medicine, including in vitro rescue of the misfolded protein of cystic fibrosis.
Book
Algae: An Introduction to Phycology
David G. Mann,H.M Jahns +1 more
TL;DR: In this article, the main groups of algae (divisions or phyla) are considered in turn, and the final chapter is a synthesis, in which the phylogeny of the algae is discussed in relation to the evolution of other living organisms.
Journal ArticleDOI
CONSTANS mediates between the circadian clock and the control of flowering in Arabidopsis
Paula Suárez-López,Kay Wheatley,Frances Robson,Frances Robson,Hitoshi Onouchi,Hitoshi Onouchi,Federico Valverde,George Coupland,George Coupland +8 more
TL;DR: It is shown that expression of CONSTANS (CO), a gene that accelerates flowering in response to long days, is modulated by the circadian clock and day length, suggesting mechanisms by which day length regulates flowering time.
Posted Content
Direct and Indirect Effects
TL;DR: A new way of defining the effect transmitted through a restricted set of paths, without controlling variables on the remaining paths is presented, which permits the assessment of a more natural type of direct and indirect effects.