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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TLDR
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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Season exerts differential effects of ocean acidification and warming on growth and carbon metabolism of the seaweed Fucus vesiculosus in the western Baltic Sea
TL;DR: F. vesiculosus will be more affected by detrimental summer heat-waves than by ocean acidification although the latter consequently enhances growth throughout the year, and it is revealed for the first time that it is crucial to always consider the impact of variable environmental conditions throughout all seasons.
Journal ArticleDOI
Lipid production through the single-step microwave hydrolysis of macroalgae using the oleaginous yeast Metschnikowia pulcherrima
Felix Abeln,Jiajun Fan,Vitaliy L. Budarin,Hannah Briers,Sophie Parsons,Michael J. Allen,Michael J. Allen,Daniel A. Henk,James H. Clark,Christopher J. Chuck +9 more
TL;DR: In this paper, a single-step microwave process was used to depolymerise a range of macroalgae native to the United Kingdom, producing a growth medium suitable for microbial fermentation.
Journal ArticleDOI
Biochemical composition of temperate and Arctic populations of Saccharina latissima after exposure to increased pCO2 and temperature reveals ecotypic variation
TL;DR: The Arctic ecotype was more resilient to increased pCO2 than the temperate one, and both ecotypes differed in their response pattern to temperature.
Journal ArticleDOI
Regrowth and biofouling in two species of cultivated kelp in the Shetland Islands, UK
TL;DR: The aim of the study was to determine the regrowth potential of cultivated kelp in the Shetland Islands to assess feasibility of harvesting twice in one growing season and found S. latissima shows the greatest potential for the application of partial cutting to improve cultivated biomass yields.
Journal ArticleDOI
Grazing impact of, and indirect interactions between mesograzers associated with kelp (Laminaria digitata).
TL;DR: The results suggest that kelp‐associated and nonassociated mesograzers may benefit from the nonlethal grazing impact of L. vincta due to changes in physical traits of the seaweed, suggesting that the interactions among mesogazers might be more complex than previously assumed.
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.
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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.