2 edition of Mechanisms of copper tolerance in the marine shipfouling alga, Ectocarpus siliculosis (Dillw.) Lyngbye. found in the catalog.
Mechanisms of copper tolerance in the marine shipfouling alga, Ectocarpus siliculosis (Dillw.) Lyngbye.
Written in English
|Contributions||Manchester Polytechnic. Department of Biological Sciences., Council for National Academic Awards.|
Background: Ectocarpus siliculosus virus-1 (EsV-1) is a lysogenic dsDNA virus belonging to the super family of nucleocytoplasmic large DNA viruses (NCLDV) that infect Ectocarpus siliculosus, a marine filamentous brown alga. Previous studies indicated that the viral genome is integrated into the host by: The brown alga Ectocarpus has recently become the first fully sequenced multicellular alga and is an important biological model. Due to the large and growing number of Ectocarpus strains isolated and maintained by the research community, including increasing numbers of mutants, there is an urgent need for developing reliable, cost-effective long-term maintenance techniques.
a large number of marine algae (revievved by van Etten et al., ). However, many oi these viruses were observed in field-collected samples and remained un- available for detailed investigations Mare recently, MOIIer et at () described a viral infection of the marine brown alga Ectocarpus sus, a cosmopolilan planL growing at all ocean coasls. A proteomic analysis combining peptide de novo sequencing and BLAST analysis was used to identify novel proteins involved in copper tolerance in the marine alga Scytosiphon gracilis (Phaeophyceae). Algal material was cultivated in seawater without copper (control) or supplemented with μg L -1 for 4 days, and protein extracts were separated Cited by:
Distribution: Widely distributed in temperate and tropical seas, usually in the intertidal or uppermost sublittoral. In southern Australia, along the whole coast from Rottnest I. (probably further north), W. Aust., through Victoria and Tasmania, into N.S.W. and to southern Queensland. A list of the terrestrial and marine biota from the Azores. Princípia, Oeiras, pp. Kedra, M. (). A Checklist of marine species occurring in Polish marine waters, compiled in the framework of the PESI EU FP7 project. Dyntaxa () Swedish Taxonomic Database. Accessed at .
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Abstract. Copper-tolerant strains of the marine fouling alga Ectocarpus siliculosus (Dillw) Lyngb. have been recorded. The mechanisms of tolerance which may operate in a copper-tolerant strain were investigated by comparing the growth characteristics, copper content and extracellular organic production of tolerant and non-tolerant by: Tolerance to heavy metals has been reported for a large number of organisms; for example the marine fouling alga Ectocarpus siliculosus (Dillw.) Lyngbye (Russell and Morris, ).
However, it is only rarely that an investigation of specificity is published at the same time. In a review of the occurrence of tolerance and co-tolerance in higherCited by: The growth of individuals from a copper‐tolerant and a non‐tolerant population of Ectocarpus siliculosus (Dillw.) Lyngbye, in media containing copper ( mg 1 ‐1), cobalt ( mg 1 ‐1), zinc ( mg 1 ‐1) or cadmium ( mg 1 ‐1) was measured using a wet wt copper‐tolerant population was found to have an increased tolerance to cobalt and zinc, in addition to a Cited by: 1.
Nature. Oct 17;() Copper tolerance in the marine fouling alga Ectocarpus siliculosus. Russell G, Morris OP. PMID: Cited by: copper stress acclimation in Ectocarpus siliculosus highlights signaling and tolerance mechanisms in brown algae Andrés Ritter1,2,3,5, Simon M Dittami1,2, Sophie Goulitquer4, Juan A Correa3, Catherine Boyen1,2, Philippe Potin1,2 and Thierry Tonon1,2* Abstract.
Occurrence of Ectocarpus: Ectocarpus is word-wide in distribution particulary in colder seas and Polar Regions.
Ectocarpus is very common on sea shore of Atlantic Ocean. Ectocarpus is found attached on sea rocks. Some species of Ectocarpus are epiphytic e.g., E. coniferus, and E. breviarticulatus grow on larger algae like Fucus and Laminaria.
Title: Transcriptomic and metabolomic analysis of copper stress acclimation in Ectocarpus siliculosus highlights signaling and tolerance mechanisms in brown algae Authors: Andrés Ritter, Simon M Dittami (UMR), Sophie Goulitquer (SBR), Juan A Correa, Catherine Boyen (LBI2M), Philippe Potin, Thierry Tonon (LBI2M)Author: Andrés Ritter, Simon M Dittami, Sophie Goulitquer, Juan A Correa, Catherine Boyen, Philippe Potin, T.
BACKGROUND. Ectocarpus siliculosus is a small filamentous brown alga. Seaweeds of the genus Ectocarpus are found worldwide along temperate coastlines, where they grow on rocky substrates or epiphytically on other algae and seagrass.
Research on E. siliculosus has a long history (Charrier et al. ), and this was one of the reasons that led to this species being selected ∼7 yr ago as a.
The unilocular reproductive stages of the brown algaEctocarpus have been examined with the electron microscope. One observation in particular, which is believed to have been made for the first time in Phaeophycean studies, is that the zoospore derived from unilocular sporangia possesses a microanatomy considerably different from that of spores formed by plurilocular by: Brown algae are sessile macro-organisms of great ecological relevance in coastal ecosystems.
They evolved independently from land plants and other multicellular lineages, and therefore hold several original ontogenic and metabolic features. Most brown algae grow along the coastal zone where they face frequent environmental changes, including exposure to toxic levels of heavy metals Cited by: Although the iron uptake and storage mechanisms of terrestrial/higher plants have been well-studied, the corresponding systems in marine algae have received far less attention.
This article is from BMC Plant Biology, volume AbstractBackground: Brown algae are sessile macro-organisms of great ecological relevance in coastal. The genome of Ectocarpus subulatus highlights unique mechanisms for stress tolerance in brown Available via license: CC BY-NC-ND Content may be subject to copyright.
Ectocarpus siliculosus virus-1 (EsV-1) is a lysogenic dsDNA virus belonging to the super family of nucleocytoplasmic large DNA viruses (NCLDV) that infect Ectocarpus siliculosus, a marine filamentous brown alga.
Previous studies indicated that the viral genome is integrated into the host DNA. In order to find the integration sites of the viral genome, a genomic library from EsVinfected Cited by: The genome of Ectocarpus siliculosis, a model for the study of brown algae, has been sequenced.
These seaweeds are complex photosynthetic organisms that have adapted to. Ectocarpus: a model organism for the brown algae.
Coelho SM(1), Scornet D, Rousvoal S, Peters NT, Dartevelle L, Peters AF, Cock JM. Author information: (1)UPMC Université Pa The Marine Plants and Biomolecules Laboratory, UMRStation Biologique de Roscoff, BP74, Roscoff Cedex, by: In contrast, little is known about the corresponding systems in marine, plant-like lineages, particularly those of multicellular algae (seaweeds).
Herein the first study of the iron uptake and storage mechanisms in the brown alga Ectocarpus siliculosus is reported. Genomic data suggest that Ectocarpus may use a strategy ICited by: Taxonomy. x; UniProtKB. Protein knowledgebase.
UniParc. Sequence archive. Help. Help pages, FAQs, UniProtKB manual, documents, news archive and Biocuration projects. Brown algae are multicellular marine organisms evolutionarily distant from both metazoans and land plants. The molecular or cellular mechanisms that govern the developmental patterning in brown algae are poorly characterized.
Here, we report the first morphogenetic mutant, étoile (etl), produced in the brown algal model Ectocarpus siliculosus.
Genetic, cellular, and morphometric Cited by: Original Article Infection of the brown alga Ectocarpus siliculosus by the oomycete Eurychasma dicksonii induces oxidative stress and halogen metabolism Martina Strittmatter1,2, Laura J.
Grenville-Briggs2,3, Lisa Breithut4, Pieter van West2, Claire M. Gachon1 & Frithjof C. Küpper1,5 1The Scottish Association for Marine Science, Scottish Marine Institute, Oban,Argyll, Scotland PA37 1QA, UK. Axis of Algae: Disruption of Basal Cell Fates in the Brown Alga Ectocarpus. Polarization may be bad for civil discourse, but sometimes polarization can be goodfor — example, if you’re a multicellular organism setting its body axes.
In many organisms, polarity within the zygote sets the stage for .Circular nucleoids have been isolated from the chloroplasts of a brown alga, Ectocarpus indicus, by Nonidet P treatment.
Enzymatic treatments of the isolated nucleoids reveal that the nucleoid is a circle composed of bead-like particles interconnected by DNA strands.
The Cited by: The Ectocarpus Genome Project The Ectocarpus genome sequence was obtained using strain Ec32, which is a male meiotic offspring of a ﬁeld sporophyte collected in in San Juan de Marcona, Peru (Peters et al., ).
Initially considered to belong to the species E. siliculosus, more recent phylogenetic analyses suggest that strainFile Size: KB.