| historical biogeography in a linear system: genetic variation of sea rocket (cakile maritima) and sea holly (eryngium maritimum) along european coasts. | the exclusively coastal cakile maritima and eryngium maritimum represent a linear biogeographical system. genetic variation among 25 individuals of c. maritima and 16 individuals of e. maritimum, from the coasts of europe, north africa and the canary islands, was analysed using random amplified polymorphic dnas (rapds) and intersimple sequence repeats (issrs). genetic distances (dice) were calculated and used to investigate the correlation between genetic and geographical distances, to construct ... | 2000 | 11091318 |
| genetic structure of populations of alternaria brassicicola suggests the occurrence of sexual recombination. | substantial polymorphism was detected between isolates from five populations of alternaria brassicicola attacking cakile maritima along the new south wales coast of australia, with a maximum of two genotypes being shared between population pairs. of ten pair-wise population comparisons, six had no pathogen genotypes in common; only one genotype occurred five times, and most (93 %) were found only once. although an upgma based on nei's measure of genetic distance separated the five populations, a ... | 2005 | 15839106 |
| radical scavenging, antioxidant and antimicrobial activities of halophytic species. | for the first time, both antioxidant and antimicrobial activities are simultaneously reported in halophytic plants, particularly on polar fractions. chloroformic and methanolic extracts of the halophytes eryngium maritimum l., crithmum maritimum l. and cakile maritima scop. were tested for their antimicrobial activities against 12 bacterial and yeast strains. in addition, radical scavenging and antioxidant activities were assessed, as well as total phenol contents. only one bacterial strain (lis ... | 2008 | 18164885 |
| expansion of genetic diversity in randomly mating founder populations of alternaria brassicicola infecting cakile maritima in australia. | founder populations of fungal plant pathogens are expected to have low levels of genetic diversity coupled with further genetic drift due to, e.g., limited host availability, which should result in additional population bottlenecks. this study used microsatellite markers in the interaction between cakile maritima and the fungal pathogen alternaria brassicicola to explore genetic expectations associated with such situations. the host, c. maritima, was introduced into australia approximately 100 y ... | 2010 | 20097819 |
| identification of plant viruses using one-dimensional gel electrophoresis and peptide mass fingerprints. | a generic assay to detect and partially characterize unknown viruses from plants was developed. proteins extracted from virus-infected and uninfected plants were separated in one dimension by sds polyacrylamide gel electrophoresis. differentially expressed protein bands were eluted after trypsin digestion and resulting peptide fragments separated according to their mass by matrix-assisted laser-desorption ionization time-of-flight (maldi-tof) mass spectrometry. resulting peptide mass fingerprint ... | 2010 | 20170682 |
| comparison of nacl-induced programmed cell death in the obligate halophyte cakile maritima and the glycophyte arabidopsis thaliana. | salinity represents one of the most important constraints that adversely affect plants growth and productivity. in this study, we aimed at determining possible differences between salt tolerant and salt sensitive species in early salt stress response. to this purpose, we subjected suspension-cultured cells from the halophyte cakile maritima and the glycophyte arabidopsis thaliana, two brassicaceae, to salt stress and compared their behavior. in both species we could observe a time and dose depen ... | 2016 | 27095399 |
| the halophyte cakile maritima reduces phenanthrene phytotoxicity. | in a previous study, we showed that the halophyte plant model thellungiella salsuginea was more tolerant to phenanthrene (polycyclic aromatic hydrocarbon: pah) than its relative glycophyte arabidopsis thaliana. in the present work, we investigated the potential of another halophyte with higher biomass production, cakile maritma, to reduce phenanthrene phytotoxicity. sand was used instead of arable soil with the aim to avoid pollutant degradation by microorganisms or their interaction with the pl ... | 2015 | 25581445 |
| a comparative study of the early osmotic, ionic, redox and hormonal signaling response in leaves and roots of two halophytes and a glycophyte to salinity. | salt stress is one of the most important abiotic stress factors affecting plant growth and productivity in natural ecosystems. in this study, we aimed at determining possible differences between salt tolerant and salt sensitive species in early (within 72 h) salt stress response in leaves and roots. to this purpose, we subjected three brassicaceae species, namely two halophytes-cakile maritima and thellungiella salsuginea--and a glycophyte--arabidopsis thaliana- to short-term salt stress (400 mm ... | 2014 | 25156490 |
| early effects of salt stress on the physiological and oxidative status of cakile maritima (halophyte) and arabidopsis thaliana (glycophyte). | early changes in physiological and oxidative status induced by salt stress were monitored in two brassicaceae plants differing in their tolerance to salinity, cakile maritima (halophyte) and arabidopsis thaliana (glycophyte). growth response and antioxidant defense of c. maritima under 400 mm nacl were compared with those of a. thaliana exposed to 100 mm nacl. salinity induced early growth reduction that is less pronounced in c. maritima than in a. thaliana. maximum hydrogen peroxide (h₂o₂) leve ... | 2011 | 21288246 |
| intrinsic stability of brassicaceae plasma membrane in relation to changes in proteins and lipids as a response to salinity. | changes in plasma membrane lipids, such as sterols and fatty acids, have been observed as a result of salt stress. these alterations, together with modification of the plasma membrane protein profile, confer changes in the physical properties of the membrane to be taken into account for biotechnological uses. in our experiments, the relationship between lipids and proteins in three different brassicaceae species differing in salinity tolerance (brassica oleracea, b. napus and cakile maritima) an ... | 2015 | 25544590 |
| h2o2 seed priming improves tolerance to salinity; drought and their combined effect more than mannitol in cakile maritima when compared to eutrema salsugineum. | the effect of h2o2 and mannitol seed priming was investigated on plant growth, oxidative stress biomarkers and activities of antioxidant enzymes in leaves of cakile maritima and eutrema salsugineum, when exposed to drought and salt stress, either separately applied or combined. under unprimed conditions, drought severely restricted growth (40% as compared to the control) and redox balance of c. maritima seedlings, whereas e. salsugineum showed these drastic effects under individual salinity (33% ... | 2017 | 28056386 |
| nickel tolerance, accumulation and subcellular distribution in the halophytes sesuvium portulacastrum and cakile maritima. | it has been shown that halophytes are able to successfully cope with heavy metal toxicity, suggesting their possible use for remediation of metal contaminated soils. in this work, ni tolerance and accumulation in two halophytes, sesuvium portulacastrum (l.) l. and cakile maritima scop. was investigated. seedlings of both species were subjected hydroponically during 21 days to 0, 25, 50, and 100 μm of nicl2. the growth and photosynthesis parameters revealed that s. portulacastrum tolerates ni bet ... | 2016 | 27479784 |
| hybridization can facilitate species invasions, even without enhancing local adaptation. | the founding population in most new species introductions, or at the leading edge of an ongoing invasion, is likely to be small. severe allee effects-reductions in individual fitness at low population density-may then result in a failure of the species to colonize, even if the habitat could support a much larger population. using a simulation model for plant populations that incorporates demography, mating systems, quantitative genetics, and pollinators, we show that allee effects can potentiall ... | 2016 | 27601582 |
| quadrupole time-of-flight mass spectrometry analysis of glycerophospholipid molecular species in the two halophyte seed oils: eryngium maritimum and cakile maritima. | future applications of lipids in clinical cohort studies demand detailed glycerophospholipid molecule information and the application of high-throughput lipidomics platforms. in the present work, a novel sensitive technique with high mass resolution and accuracy was applied to accomplish phospholipid analysis. nanospray ionization quadrupole time-of-flight mass spectrometry was used to separate and quantify the glycerophospholipid classes as well as molecular species in two halophyte seed oils f ... | 2016 | 27451187 |
| plant species introduced by foreigners according to folk tradition in norway and some other european countries: xenophobic tales or not? | in their quest to understand and interpret nature, people have frequently sought religious or divine origins for plant species and their characteristics. less often, historical events or persons are involved. this study comprises eleven cases of the latter kind, all claiming that plant species have been introduced by foreigners or at least from foreign lands. | 2015 | 26438411 |
| modulation of superoxide dismutase (sod) isozymes by organ development and high long-term salinity in the halophyte cakile maritima. | superoxide dismutase (sod) activity catalyzes the disproportionation of superoxide radicals into hydrogen peroxide and oxygen. this enzyme is considered to be a first line of defense for controlling the production of reactive oxygen species (ros). in this study, the number and type of sod isozymes were identified in the principal organs (roots, stems, leaves, flowers, and seeds) of cakile maritima. we also analyzed the way in which the activity of these sod isozymes is modulated during developme ... | 2016 | 26159565 |
| proteomic and metabolic profiles of cakile maritima scop. sea rocket grown in the presence of cadmium. | recent physiological reports have documented how cakile maritima scop. sea rocket could accumulate high doses of cd without altering its physiological parameters. in the present study, we performed an integrated proteomics (2de) and metabolomics (hplc-ms) investigation to determine the molecular mechanisms underlying cadmium (cd) tolerance of this halophyte. peculiar features were observed: (i) up-regulation of thiol compound anabolism, including glutathione and phytochelatin homeostasis, which ... | 2015 | 25639878 |
| high-resolution screening combined with hplc-hrms-spe-nmr for identification of potential health-promoting constituents in sea aster and searocket--new nordic food ingredients. | sea aster (aster tripolium l.) and searocket (cakile maritima scop.), potential ingredients in the new nordic diet, were analyzed by high-resolution radical scavenging and high-resolution α-glucosidase inhibition assays. results from the two bioactivity profiles were used to guide subsequent structural analysis toward constituents with potential health-promoting effects. structural analysis was performed by high-performance liquid chromatography-high-resolution mass spectrometry-solid-phase extr ... | 2013 | 23962163 |
| effects of posidonia oceanica beach-cast on germination, growth and nutrient uptake of coastal dune plants. | seagrass meadows play an important role in marine ecosystems. a part of seagrass production is also exported to adjacent coastal terrestrial systems, possibly influencing their functioning. in this work we experimentally analyzed the effect of posidonia oceanica beach-cast on plant germination, growth, and nutrient uptake of two plant species (cakile maritima and elymus farctus) that grow on upper beaches and fore dunes along the mediterranean coasts. we compared plants growing in simple sand (c ... | 2013 | 23894678 |
| drought and cadmium may be as effective as salinity in conferring subsequent salt stress tolerance in cakile maritima. | plants are often exposed to a combination of stresses, which can occur simultaneously or at different times throughout their life. in this study, the effects of salinity, drought and cadmium pre-treatments were evaluated on the subsequent response of cakile maritima, a halophytic species, to various levels of salinity (from 100 to 800 mm nacl) after a recovery time of 2 weeks. studies were performed in two sets of experiments in a glasshouse under short and long photoperiod (november and july, r ... | 2013 | 23381736 |
| proteomic and physiological responses of the halophyte cakile maritima to moderate salinity at the germinative and vegetative stages. | responses of the halophyte cakile maritima to moderate salinity were addressed at germination and vegetative stages by bringing together proteomics and eco-physiological approaches. 75 mm nacl-salinity delayed significantly the germination process and decreased slightly the seed germination percentage compared to salt-free conditions. monitoring the proteome profile between 0 h and 120 h after seed sowing revealed a delay in the degradation of seed storage proteins when germination took place un ... | 2012 | 22940175 |
| accumulation and soil-to-plant transfer of radionuclides in the nile delta coastal black sand habitats. | the radionuclide content was estimated in the soil of three black sand habitats in the mediterranean coast of egypt, namely, sand mounds and coastal sand planes and dunes. in addition, a total of 14 heavy minerals found in the soils were characterized. the soil to plant transfer of uranium and thorium was tested on three black sand species, namely, cakile maritima scop., senecio glaucus l. and rumex pictus forssk. the transfer of thorium and uranium radionuclides from the soil to plant is comple ... | 2011 | 21598782 |
| molecular cloning and characterization of novel cystatin gene in leaves cakile maritima halophyte. | cakile maritima (brassicaceae) is a halophyte that thrives on dunes along mediterranean seashores, with high tolerance to salty and dry environments. we have previously shown that there is great morphological and physiological diversity between ecotypes. we investigated the expression of cysteine protease inhibitor (cystatin) genes in the response to hydric and saline constraints, as cystatins are known to participate in the response to environmental constraints in plants. we isolated, from c. m ... | 2009 | 19042057 |
| influence of biological, environmental and technical factors on phenolic content and antioxidant activities of tunisian halophytes. | halophyte ability to withstand salt-triggered oxidative stress is governed by multiple biochemical mechanisms that facilitate retention and/or acquisition of water, protect chloroplast functioning, and maintain ion homeostasis. most essential traits include the synthesis of osmolytes, specific proteins, and antioxidant molecules. this might explain the utilization of some halophytes as traditional medicinal and dietary plants. the present study aimed at assessing the phenolic content and antioxi ... | 2008 | 18940702 |
| understanding the population genetic structure of coastal species (cakile maritima): seed dispersal and the role of sea currents in determining population structure. | the nature and extent of long-distance seed dispersal are currently poorly understood, largely due to the inherent difficulty in detecting such a phenomenon. genetic methods provide one of the few general approaches that offer the potential to accurately address this issue. phenotypic and allozymic approaches were applied to characterize inter-population seed dispersal of the sea rocket (cakile maritima, brassicaceae), a glabrous and succulent annual herb. genetic variation was assessed on 360 i ... | 2008 | 18426620 |
| relationship between the photosynthetic activity and the performance of cakile maritima after long-term salt treatment. | cakile maritima is a halophyte with potential for ecological, economical and medicinal uses. we address here the impact of salinity on its growth, photosynthesis and seed quality. whole plant growth rate and shoot development were stimulated at moderate salinity (100-200 mm nacl) and inhibited at higher salt concentrations. although diminished in the presence of salt, potassium and calcium uptake per unit of root biomass was maintained at relatively high value, while nutrient-use efficiency (nue ... | 2008 | 18346075 |
| salinity effects on polyphenol content and antioxidant activities in leaves of the halophyte cakile maritima. | cakile maritima is a local oilseed halophyte exhibiting potential for secondary metabolite production. in the present study, plant growth, leaf polyphenol content and antioxidant activity were comparatively analyzed in two c. maritima tunisian accessions (jerba and tabarka, respectively sampled from arid and humid bioclimatic stages) under salt constraint. three-week-old plants were subjected to 0, 100, and 400 mm nacl for 28 days under glasshouse conditions. a significant variability in salt re ... | 2016 | 17408958 |
| comparative gas exchange of four california beach taxa. | laboratory gas exchange measurements were conducted on four pioneering beach species from southern california. atriplex leucophylla (moq.) d. dietr., a c4 species, had a photosynthetic temperature optimum substantially higher than leaf temperatures normally experienced on the beach during the primary growing season. the c3 species, cakile maritima scop., ambrosia chamissonis less. and abronia maritima nutt. ex wats., had photosynthetic temperature optima close to their growth temperature and hig ... | 1978 | 28309879 |
| phosphate uptake and its ph-dependence in halophytic and glycophytic algae and higher plants. | phosphate uptake in various organs of higher plants, i.e. hordeum roots avena coleoptiles, leaves of elodea, and seedlings of the halophytes cakile maritima, cochlearia anglica, and plantago maritima is optimal in the acidic ph range and is not stimulated by na(+) when tested in comparison to k(+).in certain algae, i.e. the thermophilic blue-green alga anacystis nidulans, the freshwater red alga porphyridium aerugineum and the marine red alga porphyridium cruentum, phosphate uptake is optimal in ... | 1974 | 28308637 |