| transgenic tobacco plants expressing a coat protein gene of tobacco mosaic virus are resistant to some other tobamoviruses. | transgenic tobacco plants expressing the coat protein (cp) gene of tobacco mosaic virus were tested for resistance against infection by five other tobamoviruses sharing 45-82% homology in cp amino acid sequence with the cp of tobacco mosaic virus. the transgenic plants (cp+) showed significant delays in systemic disease development after inoculation with tomato mosaic virus or tobacco mild green mosaic virus compared to the control (cp-) plants, but showed no resistance against infection by ribg ... | 1990 | 2131095 |
| a classification of the tobamoviruses based on comparisons among their 126k proteins. | the products of partial proteolysis of the mr 126,000 in vitro translation products of the rna of eight tobamoviruses were separated by sds-polyacrylamide gel electrophoresis. the peptide patterns obtained were compared using a computer program designed to establish phylogenetic relationships. the resulting most-parsimonious phylogenetic trees grouped the tobamoviruses into clusters i (tobacco mosaic virus, tomato mosaic virus, tobacco mild green mosaic virus, pepper mild mottle virus) and ii (s ... | 1990 | 2230728 |
| conformational specificity of monoclonal antibodies used in the diagnosis of tomato mosaic virus. | ten monoclonal antibodies (mcabs) were raised to the tobamovirus, tomato mosaic virus (tomv). seven of the mcabs reacted with tomv only when tested in an elisa format, involving antibody-coated plates, which preserved the quaternary conformation of the viral protein. two mcabs which reacted with tomv only in an elisa using virus-coated plates recognized an antigenic determinant present only on the disassembled form of the viral coat protein. one mcab reacted with both the assembled and dissociat ... | 1987 | 2437887 |
| improved diagnosis and treatment of allergic rhinitis by the use of nasal provocation tests. | a simple and safe method of nasal provocation for out-patients that requires no special equipment is described. a total of 2,645 cases were tested by nasal provocation tests. of the total, 1,175 were tested with dermatophagoides pteronyssinus, 825 with mixed grass pollens, 352 with plantain (plantago lanceolata), and 125 for cats and correlating nasal tests with skin tests yielded 80%, 90%, and 85%, respectively. immunotherapy for allergic rhinitis was only considered justifiable when the nasal ... | 1988 | 3337397 |
| immunological properties and biological function of monoclonal antibodies to tobacco mosaic virus. | monoclonal antibodies to tmv vulgare produced in hybridoma cultures as well as in ascitic fluid were characterized according to their reactivity with the virion and/or the coat protein monomer thus revealing specificity for epitopes, cryptotopes or neotopes. different patterns of crossreactivity of these monoclonal antibodies with tmv strains dahlemense and holmes' ribgrass occurred. some monoclonal antibodies showed stronger reactivity with these strains than with the immunizing strain. the mon ... | 1986 | 3942505 |
| entropy-driven polymerization of ribgrass virus protein. | holmes ribgrass virus (hrv), because of serological results, is regarded as a distantly related strain of tobacco mosaic virus (tmv). hrv protein differs substantially in amino acid sequence from tmv protein, especially in that it contains one histidine residue and three methionine residues, compared to none of either for tmv protein. ultracentrifugation and hydrogen ion titration data on hrv protein, similar to those obtained previously for the early stage polymerization of tmv and e66 proteins ... | 1985 | 3985628 |
| [cellular inclusions of holmes' ribgrass virus, a relative of the tobacco mosaic virus]. | | 1968 | 5703120 |
| [anti-inflammatory action of a group of plant extracts]. | use was made of wistar albino rats in which an inflammation was induced via the simultaneous injection of caraginan and prostaglandin e1 in order to evaluate the antiinflammatory activity of 6 freeze dried plant extracts. it was found that with such model of inflammation the inflammatory effect of caraginan was strongly enhanced, which was accompanied by the rapid and prolific white blood cell extravasates. the freeze-dried extracts of st. john's-wort (hypericum perforatum l.), potmarigold calen ... | 1981 | 7199215 |
| [method for obtaining paramphistomum daubneyi, dinnik, 1962 metacercariae]. | miracidium ova were obtained from the feces of a ram that was experimentally infected with paramphistomum daubneyi. the fecal masses were extended in the respective amount of water and were passed through a standard sieve, 0.150 and 0.080. the ova were collected in the second sieve, and were rinsed several times after the method of successive sedimentation. they were cultured in a thermostat at 26 degrees c in the course of 12 days. test molluscs of the g. truncatula species (a laboratory strain ... | 1981 | 7303483 |
| [uterotonic action of extracts from a group of medicinal plants]. | water extracts (infusions) from a group of medicinal plants were studied in terms of their activity enhancing the uterine tonus in a series of experiments with a preparation of an isolated rabbit and guinea pig uterine horn. in a final extract concentration of 1 to 2 mg crude drug per 1 cm3 the plants ranked in the following descending order with regard to their tonus-raising effect on the uterus: camomile (matricaria chamomilla l.), potmarigold calendula (calendula officinalis l.) cockscomb (ce ... | 1981 | 7314446 |
| phenylethanoids in the herb of plantago lanceolata and inhibitory effect on arachidonic acid-induced mouse ear edema. | the five phenylethanoids, acteoside (1), cistanoside f (2), lavandulifolioside (3), plantamajoside (4) and isoacteoside (5) were isolated from the herb of plantago lanceolata l. (plantaginaceae). compounds 1, the major phenylethanoid in the herb of p. lanceolata l., and 4, the major phenylethanoid in the herb of p. asiatica l., showed inhibitory effects on arachidonic acid-induced mouse ear edema. | 1995 | 7480214 |
| electron microscopic and molecular characterization of turnip vein-clearing virus. | we recently isolated turnip vein-clearing virus (tvcv), a tobamovirus which causes vein clearing in brassica rapa (turnip) and a mosaic in nicotiana tabacum (tobacco). we present an electron microscopic and molecular characterization of tvcv. viral particles from lower epidermis peel contained rod-shaped viral particles, typical of tobamoviruses. viral rna extracted from infected turnip leaves was used as template for cdna synthesis prior to cloning in a plasmid vector. inserts of selected cdna ... | 1994 | 7998835 |
| on the relationship between x-bodies and symptom development in plants infected with different tobamoviruses. | the relationship between systemic mosaic symptoms and the occurrence of viral 126-kda protein in x-bodies was studied in tobacco infected with the tobacco mild green mosaic virus (tmgmv) strains u2, u5, and ribgrass mosaic virus (rmv) strain hr, and in other plant species infected with tobacco mosaic virus (tmv) strain w u 1. strains u2, u5, and hr coded for proteins of 126, 126, and 130 kda, respectively, but these were not recognized by antisera against the corresponding protein from w u 1. on ... | 1993 | 8240005 |
| broad resistance to tobamoviruses is mediated by a modified tobacco mosaic virus replicase transgene. | tobacco plants made transgenic to express the wild type tobacco mosaic virus (tmv) 183-kda replicase gene were not resistant to tmv. however, transgenic plants containing essentially the same sequences, but with an additional insertion that would terminate translation in the middle of the 183-kda gene, were highly resistant to systemic infection by tmv and other tobamoviruses. the 1.4-kbp insertion in the replicase open reading frame (orf) of the resistant plants was shown by dna sequencing to b ... | 1993 | 8274774 |
| completion of a cdna sequence from a tobamovirus pathogenic to crucifers. | turnip vein-clearing virus (tvcv) is a tobamovirus related to ribgrass mosaic virus. we report the nucleotide (nt) sequences of the 5'-untranslated region (utr) and the 3'-half of the tvcv genome (the 3' region of the 182-kda protein-encoding gene, as well as the movement protein and coat protein genes and the 3'-utr). the determination completes the nt sequence of the cdna of tvcv. | 1995 | 8543186 |
| screening of medicinal plants for induction of somatic segregation activity in aspergillus nidulans. | knowledge about mutagenic properties of plants commonly used in traditional medicine is limited. a screening for genotoxic activity was carried out in aqueous or alcoholic extracts prepared from 13 medicinal plants widely used as folk medicine in cuba: lepidium virginicum l. (brassicaceae): plantago major l. and plantago lanceolata l. (plantaginaceae); ortosiphon aristatus blume, mentha x piperita l., melissa officinalis l. and plectranthus amboinicus (lour.) spreng. (lamiaceae); cymbopogon citr ... | 1996 | 8771452 |
| the capturing of pollens in the atmosphere of la laguna city, tenerife, canary islands 1990-1995. | this paper forms part of a doctorate thesis, carried out in the allergy and immunology department of the nuestra señora de la candelaria hospital, tenerife, entitled "epidemiology of pollens on the island of tenerife. allergy to pollen". this paper deals with the capturing of pollen in the atmosphere of the city of la laguna, tenerife, during the period 1990-1995, and demonstrates that the occidental islands of the canarian archipelago are similar to a miniature continent with a special microcli ... | 1997 | 9469203 |
| prevalence of atopy in students from málaga, spain. | epidemiologic studies are necessary to determine the prevalence of allergic diseases. this varies widely depending on allergen preparations and patients studied. | 1998 | 9532972 |
| development of a multiplex immunocapture rt-pcr assay for detection and differentiation of tomato and tobacco mosaic tobamoviruses. | immunocapture (ic) rt-pcr assays were developed for detection of tomato (tomv) and tobacco mosaic (tmv) tobamoviruses in spruce and pine extracts. when purified viruses were diluted in root or needle extracts of virus-free conifer seedlings, both ic-rt-pcr assays detected their respective target viruses at concentrations of 10-100 fg ml(-1). this compared to elisa detection sensitivities of 1 ng ml(-1). primers were designed from regions of high sequence diversity. specificity of all primer pair ... | 1998 | 9779616 |
| production, faecal egg counts and worm burdens of ewe lambs which grazed six contrasting forages. | lambs were grazed on monospecific swards of one of six forages, some containing condensed tannins (ct); sulla (hedysarum coronarium), lotus corniculatus and l. pedunculatus and some without ct (lucerne (medicago sativa), plantain (plantago lanceolata) and a ryegrass/white clover pasture (lolium perenne/trifolium repens)) to evaluate effects of forage type on gastrointestinal nematode burdens, faecal egg count as well as liveweight gain (lwg), wool growth and dag formation over a 42-day period. a ... | 1998 | 9877067 |
| pollen calendar of the city of salamanca (spain). aeropalynological analysis for 1981-1982 and 1991-1992. | we report a study on the contents of airborne pollen in the city of salamanca (spain) aimed at establishing a pollen calendar for the city for the yearly periods of maximum concentrations, relating these with quantifiable atmospheric variables over two two-year periods with an interval of 10 years between them: 1981-82 and 1991-92. the pollen was captured with burkard spore-traps, based on hirst's volumetric method. determinations were made daily and were used to make preparations, previously st ... | 1998 | 9885728 |
| tobacco mosaic virus particle structure and the initiation of disassembly. | the structure of an intact tobacco mosaic virus (tmv) particle was determined at 2.9 a resolution using fibre diffraction methods. all residues of the coat protein and the three nucleotides of rna that are bound to each protein subunit were visible in the electron density map. examination of the structures of tmv, cucumber green mottle mosaic virus and ribgrass mosaic virus, and site-directed mutagenesis experiments in which carboxylate groups were changed to the corresponding amides, showed tha ... | 1999 | 10212934 |
| [antigen specific immunoglobulin e to grass and weed pollens in the plasma of patients with seasonal allergic rhinitis]. | the study involved 22 patients with seasonal allergic rhinitis between 13 and 53 years of age. the level of antigen specific ige (as ige) to 5 grass and 3 weed pollens was determined with the use of cap feia (pharmacia, uppsala, sweden). the control group consisted of 20 persons. all above as ige were significantly higher in the patients with seasonal allergic rhinithis than in the control group. the most commonly present hypersensitivities were to meadow fescue (festuca elatior), meadow grass ( ... | 1999 | 10337158 |
| evidence for bioadhesive effects of polysaccharides and polysaccharide-containing herbs in an ex vivo bioadhesion assay on buccal membranes. | aqueous extracts of polysaccharide-containing plants are widely used in therapy for irritated mucus membranes in the pharynx region. in order to prove the existence of mucilaginous effects of polysaccharide hydrocolloids on epithelia an ex vivo system based on porcine buccal membranes was established. the tissue culture was stable and there was no indication of cytolytic processes during the 5 hour incubation period. this was confirmed through histological studies and the respective ldh values a ... | 2000 | 10705734 |
| symbiotic fungal associations in 'lower' land plants. | an analysis of the current state of knowledge of symbiotic fungal associations in 'lower' plants is provided. three fungal phyla, the zygomycota, ascomycota and basidiomycota, are involved in forming these associations, each producing a distinctive suite of structural features in well-defined groups of 'lower' plants. among the 'lower' plants only mosses and equisetum appear to lack one or other of these types of association. the salient features of the symbioses produced by each fungal group ar ... | 2000 | 10905611 |
| aero-allergens in canine atopic dermatitis in southeastern australia based on 1000 intradermal skin tests. | to determine the most relevant aero-allergens involved in canine atopic dermatitis in southeastern australia and provide information about these aero-allergens to the general practitioner. | 2000 | 10920777 |
| hepatoprotective effects of turkish folk remedies on experimental liver injury. | seven plants which are used in turkish folk medicine were studied for possible hepatoprotective effects. these plants are carduus acanthoides and c. nutans (asteraceae), cichorium intybus (asteraceae), fumaria asepalae and f. vailantii (fumariaceae), gentiana olivieri (gentianaceae) and plantago lanceolata (plantaginaceae). stems, bracts and receptaculum of cynara scolymus were used as natural reference drugs. effects of the ethanolic extracts were studied using the carbon tetrachloride-induced ... | 2000 | 11025147 |
| use of a lux-marked rhizobacterium as a biosensor to assess changes in rhizosphere c flow due to pollutant stress. | the flow of carbon from plant roots into soil supports a range of microbial processes and is therefore critical to ecosystem function and health. pollution-induced stress, which influences rhizosphere c flow is of considerable potential importance, and therefore needs to be evaluated. this paper reports on a method, based on reporter gene technology, for quantifying pollutant effects on rhizosphere c flow. the method uses the lux-marked rhizobacterium pseudomonas fluorescens, where bioluminescen ... | 2000 | 11057680 |
| detection of allergens in plantain (plantago lanceolata) pollen. | allergens in plantago lanceolata have not been characterized yet. the objective was to characterize some plantain-pollen allergens and to investigate the cross-reactivity between plantain and grass pollens. | 2000 | 11097317 |
| monoclonal antibodies against the major allergen of plantago lanceolata pollen, pla l 1: affinity chromatography purification of the allergen and development of an elisa method for pla l 1 measurement. | plantago lanceolata (english plantain) pollen is a relevant cause of pollinosis in temperate regions. the major allergen of this pollen, pla l 1, is recognized by the specific ige from more than 80% of plantain-sensitive patients. it displays significant sequence homology with the major olive-pollen allergen ole e 1. the objective was to develop a monoclonal antibody-based elisa to quantify pla l 1, and to assess the correlation of pla l 1 content with the biologic activity of plantain pollen ex ... | 2001 | 11350307 |
| sequence analysis shows that ribgrass mosaic virus shanghai isolate (rmv-sh) is closely related to youcai mosaic virus. | the complete nucleotide sequence of an isolate of ribgrass mosaic virus (rmv-sh) from brassica chinensis (qingcai) in shanghai, china was determined. the genome consisted of 6301 nucleotides and its genomic organization was similar to those of other crucifer-tobamoviruses. comparisons of the nucleotide and predicted amino acid sequences and phylogenetic analyses showed that rmv-sh had very high homology (> 95% identical nucleotides and 97.7-99.6% identical amino acids) to a sequence of youcai mo ... | 2001 | 11504428 |
| effect of heavy metal contaminated shooting range soils on mycorrhizal colonization of roots and metal uptake by leek. | we grew leek (allium porrum) in soils of two shooting ranges heavily contaminated with heavy metals in the towns of zuchwil and oberuzwil in switzerland as a bioassay to test the activity of arbuscular mycorrhizal (am) fungi in these soils. soil samples were taken from (1) front of the shooting house (house), (2) the area between house and target (field) and (3) the berm (backstop). samples of ribwort plantain (plantago lanceolata) growing naturally within the shooting ranges were also collected ... | 2002 | 12413302 |
| [ultrastructural differences of rmv and tmv infected nicotiana tabacum mesophyll cells for distinguishing virus strains]. | nine strains of ribgrass mosaic virus (rmv) and tobacco mosaic virus(tmv) from cruciferous and solanaceous plants in different geographic regions of china were used to inoculate 4-leave-old plants of nicotiana tobacum for observation of ultrastructually pathological changes due to infection of different strains. the samples of the mesophyll cells of the plants 15 d after inoculation were prepared in a routine and examined using transmission electronic microscopy. characteristic virion arrangemen ... | 1998 | 12548920 |
| studies on the carbohydrate moiety of pla l 1 allergen. identification of a major n-glycan and significance for the immunoglobulin e-binding activity. | pla l 1, the major allergen of plantago lanceolata pollen, is a glycoprotein that contains an n-glycosylation site. carbohydrate moieties of many allergenic glycoproteins have been reported to be ige-binding determinants responsible for cross-reactivity among different species. | 2002 | 12569985 |
| mitogenic and comitogenic activities of polysaccharides from some european herbaceous plants. | from the leaves of plantago lanceolata, the green parts of rudbeckia fulgida, the aerial parts of salvia officinalis and the roots of valeriana officinalis, crude polysaccharides have been isolated by extraction with water and further purified and fractionated by various techniques. the water-soluble polysaccharides obtained were examined for their immunomodulatory activities using the in vitro mitogenic and comitogenic rat thymocyte tests. the results indicate that in spite of the considerable ... | 2003 | 12628395 |
| cloning and expression of biologically active plantago lanceolata pollen allergen pla l 1 in the yeast pichia pastoris. | the glycoprotein pla l 1 is the major allergen from english plantain (plantago lanceolata) pollen, which is a common cause of pollinosis in temperate areas. three complete cdnas for pla l 1 isoforms were isolated by pcr using specific 3' and 5' primers. all three pla l 1 cdnas code for a 25-residue leader peptide and a 131-residue mature protein that contains two polymorphic positions, an n-glycosylation site at position 107 and six cysteine residues involved in three disulphide bridges. the all ... | 2003 | 12646046 |
| pathogen frequency in an age-structured population of plantago lanceolata. | life-history traits can play important roles in determining the course of ecological species interactions. we explored the consequences of host age on a host-pathogen interaction by quantifying pathogen frequency in an age-structured host population. our project was motivated by an interest in whether the demographic structure of a host population has consequences for species interactions. in 2 successive years, we planted large cohorts of the perennial herb plantago lanceolata in its natural en ... | 2003 | 12687469 |
| distribution of platinum group elements and other traffic related elements among different plants along some highways in germany. | using icp-ms and icp-aes platinum group elements (pt, pd, rh, ru and ir) and ce, la, nd, pb and zr have been determined in street dust, taraxacum officinale (dandelion), plantago lanceolata (plantain), lolium multiflorum (annual ryegrass), rhytidiadelphus squarrosus (moss) and vascellum pratense (mushrooms) collected along highways and streets in germany during 1999. among the plants taraxacum officinale (dandelion) reflects most adequately the pollution with the investigated elements matching t ... | 2003 | 12738216 |
| effect of iridoid glycoside content on oviposition host plant choice and parasitism in a specialist herbivore. | the glanville fritillary butterfly melitaea cinxia feeds upon two host plant species in aland, finland, plantago lanceolata and veronica spicata, both of which produce iridoid glycosides. iridoids are known to deter feeding or decrease the growth rate of many generalist insect herbivores, but they often act as oviposition cues to specialist butterflies and are feeding stimulants to their larvae. in this study, two iridoid glycosides (aucubin and catalpol) were analyzed by micellar electrokinetic ... | 2003 | 12775146 |
| effects of earthworms and organic litter distribution on plant performance and aphid reproduction. | human management practices and large detritivores such as earthworms incorporate plant litter into the soil, thereby forming a heterogeneous soil environment from which plant roots extract nutrients. in a greenhouse experiment we investigated effects of earthworms and spatial distribution of (15)n-labelled grass litter on plants of different functional groups [ lolium perenne (grass), plantago lanceolata (forb), trifolium repens (legume)]. earthworms enhanced shoot and root growth in l. perenne ... | 2003 | 12844255 |
| characteristics of pollinosis caused by betula in patients from ourense (galicia, spain). | a retrospective study was performed to describe the features of the pollinosis caused by betula in the area of ourense, spain. the pollen count was carried out with a lanzoni volumetric hirts spore trap (1993-2000). the betula pollen represented 5% over the annual total (annual mean quantity: 965 grains). it was present in the air from march to mid-may. the highest peaks took place in april (maximum values mean: 131 grains/m3). the medical records of 222 patients (mean age 25.66 years) diagnosed ... | 2003 | 12968397 |
| responses of mycorrhizal and non-mycorrhizal erica cinerea and vaccinium macrocarpon to glomus mosseae. | an investigation was carried out on the mycorrhizal colonisation, growth and nutrition of two members of the ericaceae in close proximity to an arbuscular mycorrhizal (am) association. this was undertaken by separating mycorrhizal (em) and non-mycorrhizal (nem) erica cinerea and vaccinium macrocarpon from am (inoculated by glomus mosseae) and non-mycorrhizal (nam) plantago lanceolata using a 30 micro m nylon mesh in a sand culture/pot system. ericoid mycorrhizal colonisation by hymenoscyphus eri ... | 2004 | 14574619 |
| analysis of serpentinophytes from north-east of portugal for trace metal accumulation--relevance to the management of mine environment. | in north-east of portugal, the serpentinized area is about 8000 ha with a characteristic geology and flora. the serpentine plant community and respective soils were analyzed to examine the trace metal budget in different tissues of the plants exhibiting resistance to trace metals. one hundred and thirty five plant species belonging to 39 families and respective soils have been analyzed for total co, cr, cu, fe, mn, ni, pb and zn. substantial amounts of ni, cr, co and mn were detected in plant ti ... | 2004 | 14675842 |
| determination of acaulospora longula and glomus subgroup aa in plant roots from grassland using new primers against the large subunit ribosomal dna. | molecular techniques have become increasingly important for the identification of arbuscular mycorrhizal fungi (amf). in this work acaulospora longula and glomus mosseae have been detected in plant roots from pastures using specific nucleotide primers for the two species. part of the 5' end of the large subunit of the ribosomal rna gene was amplified by nested pcr and sequenced. the distribution of the fungi within three different plant species, plantago lanceolata, trifolium repens, and holcus ... | 2004 | 15035508 |
| in-vitro anti-inflammatory activity of pinus sylvestris and plantago lanceolata extracts: effect on inducible nos, cox-1, cox-2 and their products in j774a.1 murine macrophages. | extracts of the plant species pinus sylvestris l. and plantago lanceolata l. have been used in traditional medicine for the treatment of certain respiratory diseases, but little is known about their precise effects and mechanisms of action. in this study, we investigated the effect of these plant extracts on the production of nitric oxide (no) and prostaglandin e(2), no synthase (nos) type ii, cyclooxygenase-1 (cox-1) and cox-2 mrna expression in the murine macrophage cell line j774a.1. we found ... | 2005 | 15807995 |
| effects of quantitative variation in allelochemicals in plantago lanceolata on development of a generalist and a specialist herbivore and their endoparasitoids. | studies in crop species show that the effect of plant allelochemicals is not necessarily restricted to herbivores, but can extend to (positive as well as negative) effects on performance at higher trophic levels, including the predators and parasitoids of herbivores. we examined how quantitative variation in allelochemicals (iridoid glycosides) in ribwort plantain, plantago lanceolata, affects the development of a specialist and a generalist herbivore and their respective specialist and generali ... | 2005 | 15856784 |
| [sensitization to castanea sativa pollen and pollinosis in northern extremadura (spain)]. | castanea sativa pollen allergy has generally been considered to be uncommon and clinically insignificant. in our geographical area (plasencia, cáceres, spain) castanea sativa pollen is a major pollen. | 2005 | 15946627 |
| vegetation pattern and heavy metal accumulation at a mine tailing at gyöngyösoroszi, hungary. | vegetation at an abandoned heavy metal bearing mine tailing may have multifunctional roles such as modification of water balance, erosion control and landscape rehabilitation. research on the vegetation of mine tailings can provide useful information on tolerance, accumulation and translocation properties of species potentially applicable at moderately contaminated sites. analyses of the relationship between heavy metal content (pb, zn and cu) and vegetation in a mine tailing were carried out. t ... | 2005 | 15948607 |
| antioxidant properties of some hydroalcoholic plant extracts with antiinflammatory activity. | the hydroalcoholic extracts of calendula officinalis, hypericum perforatum, plantago lanceolata and glycyrrhiza glabra which exhibited different anti-inflammatory activities were evaluated for the possible mode of action by studying their antioxidant potential. in the present study we investigated if standardized hydroalcoholic extracts of plants such as calendula officinalis, hypericum perforatum, plantago lanceolata and glycyrrhiza glabra produced by hofigal stock company could modulate the re ... | 2003 | 16008145 |
| [the frequency of pollen allergy at the population of sarajevo region during the 2002 year]. | the frequency of pollen alergy in the sample of population of sarajevo region during the 2002 year has been investigated. the age and gender population has been different. for determination of allergy has been use of standard test carryed out in the respective laboratories of clinical center of university of sarajevo. the testing has been on the pollen of weed plant species and grass (graminejae) pollen. in the mixture of pollen weed plant species have been following plants: plantago lanceolata ... | 2005 | 16018386 |
| aeroallergens sensitization in an allergic paediatric population of cova da beira, portugal. | cova da beira is an interior central region of portugal, with a population of 93,000 inhabitants. the first pollen counts performed in portugal revealed the highest values of the country in this area. the aim of this study was to assess the aeroallergens sensitization in an allergic population, according to the age groups. in a 5 year period (1995-2000) 1790 consecutive outpatients were observed for suspected allergic symptoms. we included in this study all the 557 paediatric (< or = 15 years ol ... | 2005 | 16045856 |
| bacteria associated with spores of the arbuscular mycorrhizal fungi glomus geosporum and glomus constrictum. | spores of the arbuscular mycorrhizal fungi (amf) glomus geosporum and glomus constrictum were harvested from single-spore-derived pot cultures with either plantago lanceolata or hieracium pilosella as host plants. pcr-denaturing gradient gel electrophoresis analysis revealed that the bacterial communities associated with the spores depended more on amf than host plant identity. the composition of the bacterial populations linked to the spores could be predominantly influenced by a specific spore ... | 2005 | 16269696 |
| nucleotide sequence of a new isolate of ribgrass mosaic tobamovirus infecting impatiens new guinea. | the complete nucleotide sequence of a tobamovirus isolated from impatiens new guinea was determined. the genome was 6302 nt long, and its genomic organisation was similar to those of other crucufer tobamoviruses. sequence comparisons with the corresponding sequences of other crucifer tobamoviruses revealed highest levels of identity with the ribgrass mosaic virus (shanghai isolate). a small open reading frame putatively encoding a 4.5-kda protein with a low degree of similarity to the orf6 of to ... | 2006 | 16292595 |
| the phylogenetic structure of the cluster of tobamovirus species serologically related to ribgrass mosaic virus (rmv) and the sequence of streptocarpus flower break virus (sfbv). | ribgrass mosaic virus (rmv), turnip vein-clearing virus (tvcv) and youcai mosaic virus (yomv; formerly designated as oilseed rape mosaic virus; ormv) belong to the genus tobamovirus and are arranged in one out of three subgroups because of their common host range, serological cross-reactivity and amino acid composition of their coat proteins. the recently defined species wasabi mottle virus (wmov) is closely related to the same subgroup. the distinction of the four species is difficult and the l ... | 2006 | 16328151 |
| construction of an infectious cdna clone of ribgrass mosaic virus shanghai isolate and its modification to express an epitope of mycobacterium tuberculosis. | infectious cdna clones of the shanghai isolate of ribgrass mosaic virus (rmv) were produced by joining four overlapping cdna fragments and also in a single step by long template pcr. after inoculation of nicotiana glutinosa with either rna transcripts or the cdna under the control of the camv 35s promoter, plants developed typical symptoms, and viral coat protein could be detected in them by western blot analysis. however, compared to plants inoculated with purified viral rna, lesions were fewer ... | 2006 | 16596330 |
| evaluation of some plants used in turkish folk medicine against parasitic infections for their in vivo anthelmintic activity. | ethanolic and aqueous extracts obtained from nine plant species from seven families selected depending on their use in turkish folk medicine, including citrillus lanatus (thunb.) matsum. (seed), jasminum fruticans l. (branches), juniperus drupacea labill. (fruits), juniperus nana l. (fruit and leaves), juniperus oxcycedrus l (fruit and leaves), mentha longifolia l. (herba), pinus nigra ssp. pallasiana (lamb.) richt. (fruits), plantago lanceolata l. (leaves), and zea mays l. (seed) were evaluated ... | 2006 | 16790330 |
| positive interactions between nitrogen-fixing legumes and four different neighbouring species in a biodiversity experiment. | the importance of facilitative processes due to the presence of nitrogen-fixing legumes in temperate grasslands is a contentious issue in biodiversity experiments. despite a multitude of studies of fertilization effects of legumes on associated nonfixers in agricultural systems, we know little about the dynamics in more diverse systems. we hypothesised that the identity of target plant species (phytometers) and the diversity of neighbouring plant species would affect the magnitude of such positi ... | 2007 | 17048010 |
| medicinal plants used in kirklareli province (turkey). | in this paper, 126 traditional medicinal plants from kirklareli province in turkey have been reported. one hundred and twenty six plant species belonging to 54 families and among them 100 species were wild and 26 species were cultivated plants. most used families were rosaceae, labiatae, compositae and the most used plants were cotinus coggyria, sambucus ebulus, achillea millefolium subsp. pannonica, hypericum perforatum, matricaria chamomilla var. recutita, melissa officinalis subsp. officinali ... | 2007 | 17257791 |
| antispasmodic activity of an extract from plantago lanceolata l. and some isolated compounds. | an ethanolic spissum extract of the aerial parts of plantago lanceolata l. was examined for antispasmodic activity on isolated ileum and trachea of the guinea-pig. isolated constituents were investigated as well. the p. lanceolata extract inhibited the contractions of the guinea-pig ileum that were induced by various agonists such as acetylcholine (ach), histamine, potassium and barium ions. additionally the trachea contractions induced by barium ions were inhibited. the compounds luteolin, acte ... | 2007 | 17298877 |
| in vivo treatment with the herbal phenylethanoid acteoside ameliorates intestinal inflammation in dextran sulphate sodium-induced colitis. | recently we demonstrated that in inflammatory bowel disease (ibd) macrophage-oxidative burst activity is increased and nadph oxidase mrna is induced. the herbal phenylethanoid acteoside isolated from plantago lanceolata l. was shown to exhibit anti-oxidative potential. using the dextran sulphate sodium (dss)-induced colitis model, in this study we have assessed whether systemic application of acteoside affects colitis. colitis was induced by dss in balb/c mice. treatment with acteoside (120, 600 ... | 2007 | 17437425 |
| parasitic hymenoptera fauna on agromyzidae (diptera) colonizing weeds in ecological compensation areas in northern italian agroecosystems. | parasitoids (hymenoptera) associated with agromyzid leafminers (diptera: agromyzidae) were studied in three rural farms located in northern italy. the parasitoids were reared from mined foliage of weeds growing in field margins. we reared 998 hymenoptera specimens, representing five families, 23 genera, and 53 species, from leafminers infesting weeds. eulophidae was the most abundant family (67.64%), followed by braconidae (28.86%), eucoilinae (1.40%), tetracampidae (1.40%), and pteromalidae (0. ... | 2007 | 17461050 |
| antagonistic interactions between plant competition and insect herbivory. | interspecific competition between plants and herbivory by specialized insects can have synergistic effects on the growth and performance of the attacked host plant. we tested the hypothesis that competition between plants may also negatively affect the performance of herbivores as well as their top-down effect on the host plant. in such a case, the combined effects of competition and herbivory may be less than expected from a simple multiplicative response. in other words, competition and herbiv ... | 2007 | 17601141 |
| photorespiratory and respiratory decarboxylations in leaves of c3 plants under different co2 concentrations and irradiances. | we used an advanced radiogasometric method to study the effects of short-term changes in co2 concentration ([co2]) on the rates and substrates of photorespiratory and respiratory decarboxylations under steady-state photosynthesis and in the dark. experiments were carried out on plantago lanceolata, poa trivialis, secale cereale, triticum aestivum, helianthus annuus and arabidopsis thaliana plants. rates of photorespiration and respiration measured at a low [co2] (40 micromol mol(-1)) were equal ... | 2007 | 17986155 |
| diversity and infectivity of arbuscular mycorrhizal fungi in agricultural soils of the sichuan province of mainland china. | knowledge about the presence and diversity of arbuscular mycorrhizal fungi (amf) in a specific area is an essential first step for utilizing these fungi in any application. the community composition of amf in intensively managed agricultural soil in the sichuan province of southwest china currently is unknown. in one set of samples, amf were trapped in pot cultures from 40 fields growing legumes in the panxi region, southeast sichuan. in a second set of samples, the mpn method with four-fold dil ... | 2008 | 18224350 |
| an investigation on the anticandidal activity of some traditional medicinal plants in turkey. | methanol and chloroform extracts obtained from eight plant species belonging to six families, which were selected depending on their use in turkish folk medicine, including mentha longifolia l. (labiatae), mentha piperita l. hudson (labiatae), prongos ferulaceae (umbelliferae), galium verum l. (rubiaceae), salvia limbata c. a meyer (labiatae), artemisia austriaca jacq. (artemiceae), plantago lanceolata l. (plantaginaceae) and urtica dioica l. (urticaceae) were evaluated for their in vitro antica ... | 2009 | 18522697 |
| allergy to laxative compound (plantago ovata seed) among health care professionals. | the seeds of plantago ovata (psyllium, ispaghula) used in the manufacture of bulk laxatives are known to be the cause of occupational allergy (rhinitis, asthma) in health care and pharmaceutical workers. | 2008 | 18564629 |
| responses of whole body protein synthesis and degradation to plantain herb in sheep exposed to heat. | an experiment including a [1-(13)c]leucine isotope dilution and a nitrogen balance were carried out to determine the effect of feeding plantain herb (plantago lanceolata l.) on whole body protein synthesis (wbps) and degradation in sheep kept at thermoneutral temperature (20 degrees c) or exposed to heat (30 degrees c). the animals were fed either mixed hay of orchardgrass and reed canarygrass (hay-diet) or hay-diet and plantain (9:1) (pl-diet) at maintenance level using a crossover design. nitr ... | 2008 | 18610537 |
| arbuscular mycorrhizal fungi can transfer substantial amounts of nitrogen to their host plant from organic material. | nitrogen (n) capture by arbuscular mycorrhizal (am) fungi from organic material is a recently discovered phenomenon. this study investigated the ability of two glomus species to transfer n from organic material to host plants and examined whether the ability to capture n is related to fungal hyphal growth. experimental microcosms had two compartments; these contained either a single plant of plantago lanceolata inoculated with glomus hoi or glomus intraradices, or a patch of dried shoot material ... | 2009 | 18811615 |
| plantago lanceolata and plantago rugelii extracts are toxic to meloidogyne incognita but not to certain microbes. | extracts from the plants plantago lanceolata and p. rugelii were evaluated for toxicity to the root-knot nematode meloidogyne incognita, the beneficial microbes enterobacter cloacae, pseudomonas fluorescens and trichoderma virens, and the plant-pathogenic fungi fusarium oxysporum f. sp. gladioli, phytophthora capsici, pythium ultimum, and rhizoctonia solani. wild plants were collected, roots were excised from shoots, and the plant parts were dried and ground to a powder. one set of extracts (10% ... | 2006 | 19259537 |
| impact of collimonas bacteria on community composition of soil fungi. | the genus collimonas consists of soil bacteria that have the potential to grow at the expense of living fungal hyphae. however, the consequences of this mycophagous ability for soil fungi are unknown. here we report on the development of fungal communities after introduction of collimonads in a soil that had a low abundance of indigenous collimonads. development of fungal communities was stimulated by addition of cellulose or by introducing plants (plantago lanceolata). community composition of ... | 2009 | 19260938 |
| immobilising of cd, pb, and zn contaminated arable soils close to a former pb/zn smelter: a field study in austria over 5 years. | numerous smelter sites are surrounded by rural land. the entrance of non-essential metals such as lead or cadmium into the food chain is very likely as well as phytotoxicity effects of zinc. finding a realistic solution for these large-scale contaminations was one aim of this study. previous results from pot experiments showed a high potential for the reduction of metals entering the food chain via crops grown on smelter-contaminated soils from arnoldstein, austria, by the use of amendments for ... | 2009 | 19283493 |
| naturally-assisted metal phytoextraction by brassica carinata: role of root exudates. | due to relatively high chelant dosages and potential environmental risks it is necessary to explore different approaches in the remediation of metal-contaminated soils. the present study focussed on the removal of metals (as, cd, cu, pb and zn) from a multiple metal-contaminated soil by growing brassica carinata plants in succession to spontaneous metallicolous populations of pinus pinaster, plantago lanceolata and silene paradoxa. the results showed that the growth of the metallicolous populati ... | 2009 | 19497650 |
| a generic method to identify plant viruses by high-resolution tandem mass spectrometry of their coat proteins. | although a number of protocols have been developed for detection of viruses at the genus or family level, universal approaches to detect and identify unknown viruses are still required. high-resolution tandem mass spectrometry was used to identify accurately peptide masses and their constituent sequences from partially purified plant virus preparations. analysis of the peptide fragment masses against a virus database using pattern-matching algorithms identified sequences with homology to known v ... | 2010 | 19712699 |
| association of 'candidatus phytoplasma asteris' with yellowing and phyllody of plantago lanceolata. | long plantains (plantago lanceolata l.) with symptoms resembling those associated with phytoplasma infection were observed repeatedly during the period 2000-2008 in southern bohemia (czech republic). the symptoms of the plants were leaf yellowing, stunted growth, flower phyllody and lack of seed production. transmission electron microscopy showed phytoplasmas in the sieve cells of affected plants but not in healthy ones. association of phytoplasmas with the disease was confirmed by polymerase ch ... | 2009 | 19937222 |
| sequestration of glucosinolates and iridoid glucosides in sawfly species of the genus athalia and their role in defense against ants. | in this study, the larval sequestration abilities and defense effectiveness of four sawfly species of the genus athalia (hymenoptera: tenthredinidae) that feed as larvae either on members of the brassicaceae or plantaginaceae were investigated. brassicaceae are characterized by glucosinolates (glss), whereas plantaginaceae contain iridoid glucosides (igs) as characteristic secondary compounds. athalia rosae and a. liberta feed on members of the brassicaceae. larvae of a. rosae sequester aromatic ... | 2010 | 20127151 |
| platanus pollen allergen, pla a 1: quantification in the atmosphere and influence on a sensitizing population. | the allergic response in susceptible patients does not always coincide with the presence and magnitude of airborne pollen counts. the prevalence of allergy to platanus is currently moderate, although the percentage of monosensitized patients is low. this hinders accurate interpretation of the relationship between the amount of pollen inhaled and the patient's symptoms. | 2010 | 20813013 |
| structure of hibiscus latent singapore virus by fiber diffraction: a nonconserved his122 contributes to coat protein stability. | hibiscus latent singapore virus (hlsv) is a rigid rod-shaped plant virus and a new member of the tobamovirus family. unlike all other tobamoviruses, the hlsv genome contains a unique poly(a) tract in its 3' untranslated region. the virion is composed of a monomeric coat protein (cp) unit of 18 kda, arranged as a right-handed helix around the virus axis. we have determined the structure of hlsv at 3.5 å by x-ray fiber diffraction and refined it to an r-factor of 0.096. while the overall structure ... | 2010 | 21195089 |
| spatial variation in disease resistance: from molecules to metapopulations. | variation in disease resistance is a widespread phenomenon in wild plant-pathogen associations. here, we review current literature on natural plant-pathogen associations to determine how diversity in disease resistance is distributed at different hierarchical levels - within host individuals, within host populations, among host populations at the metapopulation scale and at larger regional scales.we find diversity in resistance across all spatial scales examined. furthermore, variability seems t ... | 2011 | 21243068 |
| evaluation of the antipeptic ulcer activity of the leaf extract of plantago lanceolata l. in rodents. | the effect of the leaf extract of plantago lanceolata l. (plantaginaceae) on gastric secretion and cytoprotection was evaluated using different models of gastroduodenal ulcer, including acetic acid induced chronic gastric ulcer, indomethacin induced gastric ulcer, cysteamine induced duodenal ulcer and pylorus ligation induced gastric ulcer. the aqueous extract was administered at 200?mg/kg and 400?mg/kg and 140?mg/kg and 280?mg/kg for mice and rats, respectively, and compared with vehicle or the ... | 2011 | 21298726 |
| digestible energy content of pasture species in growing european wild boar (sus scrofa l.). | the objectives were to determine the apparent energy digestibility of six pasture species frequently grazed by european wild boar (sus scrofa l.) and to estimate the digestible energy (de) consumption from pasture by grazing wild boar. seven diets were prepared; a base diet (bd) which did not contain any pasture species, diets d1 to d5 which included 75% of the bd and 25% of the dried pasture species lolium perenne (d1), festuca arundinacea (d2), agrostis capillaris (d3), bromus staminius (d4) o ... | 2011 | 21575078 |
| differential performance of a specialist and two generalist herbivores and their parasitoids on plantago lanceolata. | the ability to cope with plant defense chemicals differs between specialist and generalist species. in this study, we examined the effects of the concentration of the two main iridoid glycosides (igs) in plantago lanceolata, aucubin and catalpol, on the performance of a specialist and two generalist herbivores and their respective endoparasitoids. development of the specialist herbivore melitaea cinxia was unaffected by the total leaf ig concentration in its host plant. by contrast, the generali ... | 2011 | 21691810 |
| Brief report: genome sequence and construction of an infectious cDNA clone of Ribgrass mosaic virus from Chinese cabbage in Korea. | Ribgrass mosaic virus (RMV) has severely decreased the production and lowered quality of Chinese cabbage co-infected with Turnip mosaic virus (63.4%) in Korea. The complete genome sequence of RMV isolated from Brassica rapa ssp. pekinensis was determined. The full genome consisted of 6,304 nucleotides and showed sequence identities of 91.5-94.2% with the corresponding genome of other RMV strains. Full-length cDNA of RMV-Br was amplified by RT-PCR with a 5'-end primer harboring a T7 promoter sequ ... | 2011 | 22143325 |
| characterization of copper-resistant rhizosphere bacteria from avena sativa and plantago lanceolata for copper bioreduction and biosorption. | copper is a toxic heavy metal widely used to microbial control especially in agriculture. consequently, high concentrations of copper residues remain in soils selecting copper-resistant organisms. in vineyards, copper is routinely used for fungi control. this work was undertaken to study copper resistance by rhizosphere microorganisms from two plants (avena sativa l. and plantago lanceolata l.) common in vineyard soils. eleven rhizosphere microorganisms were isolated, and four displayed high res ... | 2011 | 22002857 |
| interactions between an arbuscular mycorrhizal fungus and a soil microbial community mediating litter decomposition. | we investigated arbuscular mycorrhizal fungi (amf) alteration of microbial mediation of litter decomposition. amf (glomus hoi) were either allowed access to or excluded from plantago lanceolata l. root litter embedded in soil; litter was labeled with either (13) c only or (13) c and (15) n. plant n uptake was significantly increased if amf accessed the litter, and (15) n analysis of the plant material indicated that 2-3% of plant n originated from litter. succession of the soil community mediati ... | 2012 | 22224699 |
| context-dependent effects of induced resistance under co-infection in a plant-pathogen interaction. | the ability of a parasite strain to establish and grow on its host may be drastically altered by simultaneous infection by other parasite strains, and dynamics under multiple infection have been suggested to be a major force driving pathogen evolution. here, i studied whether hosts' induced defenses mediate dynamics of multiple infection of the fungal pathogen, podosphaera plantaginis, infecting plantago lanceolata. a laboratory study of sequential infections, where interaction between pathogen ... | 2011 | 25568016 |
| impact of land use intensity on the species diversity of arbuscular mycorrhizal fungi in agroecosystems of central europe. | the impact of land use intensity on the diversity of arbuscular mycorrhizal fungi (amf) was investigated at eight sites in the "three-country corner" of france, germany, and switzerland. three sites were low-input, species-rich grasslands. two sites represented low- to moderate-input farming with a 7-year crop rotation, and three sites represented high-input continuous maize monocropping. representative soil samples were taken, and the amf spores present were morphologically identified and count ... | 2003 | 12732553 |
| vertical transmission of fungal endophytes is widespread in forbs. | to date, it has been thought that endophytic fungi in forbs infect the leaves of their hosts most commonly by air-borne spores (termed "horizontal transmission"). here, we show that vertical transmission from mother plant to offspring, via seeds, occurs in six forb species (centaurea cyanus, c. nigra,papaver rhoeas,plantago lanceolata,rumex acetosa, and senecio vulgaris), suggesting that this may be a widespread phenomenon. mature seeds were collected from field-grown plants and endophytes isola ... | 2014 | 24834319 |
| pollen aero allergens and the climate in mediterranean region and allergen sensitivity in allergic rhinoconjunctivitis and allergic asthma patients. | we evaluated the profiles of allergic rhino-conjunctivitis and asthma patients annually in antalya, a mediterranean coastal city in turkey. | 2013 | 23396359 |
| influence of plantaginaceae species on e. coli k12 growth in vitro: possible relation to phytochemical properties. | the data concerning the influence of plantaginaceae water extracts on bacterial growth are contradictory. | 2015 | 25330854 |
| relationship of phenotypic and genetic variation in plantago lanceolata to disease caused by fusarium moniliforme var. subglutinans. | naturally established individuals of plantago lanceolata with the inflorescence disease caused by fusarium moniliforme var. subglutinans had more inflorescences and were more likely to be male-sterile than healthy plants. half-sib families planted in the field varied in the percentage of diseased plants, the number of inflorescences per plant, the incidence of male-sterility, and the pattern of inflorescence phenology. the rankings of families with respect to disease incidence was, however, not ... | 1984 | 28312115 |
| spatial patterns of disease induced by fusarium moniliforme var. subglutinans in a population of plantago lanceolata. | at low densities, plantago lanceolata was less likely to have the inflorescence disease caused by the fungus fusarium moniliforme var. subglutinans. where the disease was found, as host density increased, the proportion diseased remained constant or decreased. the pathogen's inability to exploit high host densities may be due to both the long disease cycle and the reduced efficiency of disease spread in heterogeneous habitats. diseased plants were randomly spaced early in the summer but were lat ... | 1984 | 28310753 |
| molecular characterisation of a novel recombinant ribgrass mosaic virus strain fshs. | the genus tobamovirus (virgaviridae) comprises 33 accepted species with the recent addition of eight new viruses and is divided in to three subgroups based on the origin of assembly of the virion and host range. within the subgroup 1 tobamoviruses the orchid-associated tobamovirus was hypothesized to be a chimeric derivative of recombinations between genome fragments from subgroup 3 and 1. recombination events involving rdrp, movement and coat protein genes are recorded within subgroup 1 and 2. ... | 2016 | 26891841 |
| characterization of the complete genome of ribgrass mosaic virus isolated from plantago major l. from new zealand and actinidia spp. from china. | the complete genomes of tobamovirus isolates from plantago major l. from new zealand (nz-439), plantago sp. from germany (kons 1105), actinidia chinensis (actinidia-ac) and a. deliciosa (actinidia-ad) from china were sequenced and compared to previously published tobamovirus genomes. their genome organization and phylogenetic analysis of the putative replicase component, replicase readthrough component, movement protein, coat protein and complete genome placed all four isolates in subgroup 3 of ... | 2012 | 22456910 |
| structure of ribgrass mosaic virus at 2.9 a resolution: evolution and taxonomy of tobamoviruses. | ribgrass mosaic virus (rmv) is a member of the tobamovirus group of plant viruses. the structure has been determined at 2.9 a resolution by fiber diffraction methods, and refined by molecular dynamics methods to an r-factor of 0.095. the carboxyl-carboxylate interactions that drive disassembly in tobamoviruses are present in rmv, but are very different from those in other tobamoviruses. rmv has some of the structural features of a subgroup i tobamovirus, a smaller number from subgroup ii, and a ... | 1997 | 9223640 |
| preliminary x-ray diffraction studies of ribgrass mosaic virus. | fiber diffraction data were collected from oriented sols of ribgrass mosaic virus and a lead derivative of the virus. two lead binding sites were found. two intersubunit carboxylcarboxylate pairs, different from those in other tobamoviruses, are predicted to control viral assembly and disassembly. one of the carboxyl-carboxylate pairs forms part of a lead binding site. | 1993 | 8254685 |
| [on a mosaic on plantago lanceolata l. and its relation to the digitalis mosaic]. | | 1963 | 14203622 |
| impact of an invasive nitrogen-fixing tree on arbuscular mycorrhizal fungi and the development of native species. | arbuscular mycorrhizal fungi (amf) are obligate soil biotrophs that establish intimate relationships with 80 % of terrestrial plant families. arbuscular mycorrhizal fungi obtain carbon from host plants and contribute to the acquisition of mineral nutrients, mainly phosphorus. the presence of invasive plants has been identified as a soil disturbance factor, often conditioning the structure and function of soil microorganisms. despite the investigation of many aspects related to the invasion ofaca ... | 2016 | 26984185 |
| impact of leaf traits on temporal dynamics of transpired oxygen isotope signatures and its impact on atmospheric vapor. | oxygen isotope signatures of transpiration (δ e ) are powerful tracers of water movement from plant to global scale. however, a mechanistic understanding of how leaf morphological/physiological traits effect δ e is missing. a laser spectrometer was coupled to a leaf-level gas-exchange system to measure fluxes and isotopic signatures of plant transpiration under controlled conditions in seven distinct species (fagus sylvatica, pinus sylvestris, acacia longifolia, quercus suber, coffea arabica, pl ... | 2017 | 28149303 |
| interspecific variation in bulk tissue, fatty acid and monosaccharide delta(13)c values of leaves from a mesotrophic grassland plant community. | the leaves of 37 grass, herb, shrub and tree species were collected from a mesotrophic grassland to assess natural variability in bulk, fatty acid and monosaccharide delta(13)c values of leaves from one plant community. the leaf tissue mean bulk delta(13)c value was -29.3 per thousand. no significant differences between tissue bulk delta(13)c values with life form were determined (p=0.40). on average, c(16:0), c(18:2) and c(18:3) constituted 89% of leaf tissue total fatty acids, whose delta(13)c ... | 2008 | 18539304 |
| pesticide residues in some herbs growing in agricultural areas in poland. | the aim of this paper was to assess residue content of plant protection products in selected herbs: achillea millefolium l., cichorium intybus l., equisetum arvense l., polygonum persicaria l., plantago lanceolata l., and plantago major l. the study comprises herbs growing in their natural habitat, 1 and 10 m away from crop fields. the herbs, 30 plants of each species, were sampled during the flowering stage between 1 and 20 july 2014. pesticide residue content was measured with the quechers met ... | 2015 | 26612566 |