mycoplasma melaleucae sp. nov., a sterol-requiring mollicute from flowers of several tropical plants. | three sterol-requiring mollicutes from floral surfaces of two tropical plant species (melaleuca quinquenervia and melaleuca decora) and a single isolate from a flower of the silk oak (grevillea robusta) were serologically indistinguishable. strain m1t (t = type strain), isolated from melaleuca quinquenervia, was chosen for characterization. light and electron microscopic observations of strain m1t revealed nonhelical, nonmotile, pleomorphic coccoid cells surrounded by a single cytoplasmic membra ... | 1990 | 2223607 |
allergenic cross-reactivity between callistemon citrinis and melaleuca quinquenervia pollens. | aqueous extracts of both callistemon citrinis (bottlebrush) and melaleuca quinquenervia (melaleuca) were analyzed for allergenic cross-reactivity. inhibition analysis using the radioallergosorbent test (rast) was performed on the ammonium bicarbonate extracts of bottlebrush (nh4b) and melaleuca (nh4m) pollens. rast inhibition analysis demonstrated that the extracts contained allergenically cross-reactive components. sephadex g-100 column chromatography of nh4b and nh4m extracts resulted in at le ... | 1988 | 3372042 |
isolation and characterization of cross-reactive allergenic components in callistemon citrinis and melaleuca quinquenervia pollen by trans-blot enzyme-linked crossed immunoelectrophoresis. | antigenic extracts obtained from callistemon citrinis (bottle brush) and melaleuca quinquenervia (melaleuca) pollen were analyzed by crossed immunoelectrophoresis (cie), tandem-crossed immunoelectrophoresis (tcie), and trans-blot enzyme-linked crossed immunoelectrophoresis (tecie). cie analysis detected 14 and 12 antigenic components in bottle brush and melaleuca, respectively. tcie analysis of bottle brush pollen, employing rabbit anti-melaleuca serum in the intermediate gel, demonstrated that ... | 1986 | 3721598 |
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 |
antipredator defense of biological control agent oxyops vitiosa is mediated by plant volatiles sequestered from the host plant melaleuca quinquenervia. | the weevil oxyops vitiosa is an australian species imported to florida, usa, for the biological control of the invasive weed species melaleuca quinquenervia. larvae of this species feed on leaves of their host and produce a shiny orange secretion that covers the integument. when this secretion is applied at physiological concentrations to dog food bait, fire ant consumption and visitation are significantly reduced. gas chromatographic analysis indicates that the larval secretion qualitatively an ... | 2002 | 11925069 |
inhibitory effects of glycosides from the leaves of melaleuca quinquenervia on vascular contraction of rats. | two new glycosides, 3-hydroxy-5-methoxy-4-methylphenyl beta-d-glucopyranoside (1) and 4-benzoyl-2-c-beta-glucopyranosyl-3,5-dihydroxy-6-methylphenyl beta-d-glucopyranoside (2), together with four known glycosides, 2-endo-beta-d-glucopyranosyloxy-1,8-cineole (3a), 2-exo-beta-d-glucopyranosyloxy-1,8-cineole (3b), roseoside (4), and citroside a (5), were isolated from the methanolic extract of leaves of melaleuca quinquenervia. their structures were elucidated on the basis of spectroscopic analysis ... | 2002 | 12094289 |
dietary influences on terpenoids sequestered by the biological control agent oxyops vitiosa: effect of plant volatiles from different melaleuca quinquenervia chemotypes and laboratory host species. | the weevil oxyops vitiosa is an australian species imported to florida, usa, for the biological control of the invasive species melaleuca quinquenervia. the larvae of this species feed on the leaves of their host and produce a shiny orange secretion that covers their integument. previous results indicated that a major component of this secretion, viridiflorol, is sequestered from the host plant and repels a generalist predator, the red imported fire ant, solenopsis invicta. when the larvae fed o ... | 2003 | 12647862 |
extracts of spice and food plants from thai traditional medicine inhibit the growth of the human carcinogen helicobacter pylori. | helicobacter pylori (hp) is a gramnegative bacterium and well recognized as being the primary etiological agent responsible for the development of gastritis, dyspepsia, peptic ulcer disease and gastric cancer. in developing countries, a high prevalence of hp infection is associated with an increased incidence of gastric cancer. thailand, however, while having a high prevalence of hp infections, has a lower than expected gastric cancer rate than other developing countries. it has been suggested t ... | 2003 | 14758718 |
the sensilla of aedes and anopheles mosquitoes and their importance in repellency. | the aim of this study was to detect the role of some mosquito organs in their sensation of repellent materials. a total of 250 females (15 days old) of the target species aedes aegypti and anopheles stephensi were prepared and divided into five groups: group 1, without antenna; group 2, without maxillary bulbs; group 3, without proboscis; group 4, without frontal tarsus; and group 5, normal females as control. a mixture of five oils containing litsea cubeba 1%, melaleuca leucadendron 1%, melaleu ... | 2006 | 16642383 |
repellency effect of forty-one essential oils against aedes, anopheles, and culex mosquitoes. | since ancient times, plant products were used in various aspects. however, their use against pests decreased when chemical products became developed. recently, concerns increased with respect to public health and environmental security requiring detection of natural products that may be used against insect pests. in this study, 41 plant extracts and 11 oil mixtures were evaluated against the yellow fever mosquito, aedes aegypti (linnaeus), the malaria vector, anopheles stephensi (liston), and th ... | 2006 | 16642384 |
geographic distribution and regional impacts of oxyops vitiosa (coleoptera: curculionidae) and boreioglycaspis melaleucae (hemiptera: psyllidae), biological control agents of the invasive tree melaleuca quinquenervia. | the invasive tree melaleuca quinquenervia (cav.) blake is widely distributed throughout peninsular florida and poses a significant threat to species diversity in the wetland systems of the everglades. mitigation of this threat includes the areawide release campaign of the biological control agents oxyops vitiosa pascoe and boreioglycaspis melaleucae moore. we summarize the results of this release effort and quantify the resulting geographic distribution of the herbivores as well as their regiona ... | 2009 | 19689893 |
the potential of selected australian medicinal plants with anti-proteus activity for the treatment and prevention of rheumatoid arthritis. | a wide variety of herbal medicines are used in indigenous australian traditional medicinal systems to treat rheumatoid arthritis (ra) and inflammation. the current study was undertaken to test the ability of a panel of australian plants with a history of the ethnobotanical usage in the treatment of inflammation for the ability to block the microbial trigger of ra. | 2015 | 26109767 |
melaleuca quinquenervia (cav.) s.t. blake (myrtales: myrtaceae): natural alternative for mosquito control. | to evaluate an essential oil with larvicide, adulticide and growth inhibitory activity against aedes aegypti, aedes albopictus and culex quinquefasciatus mosquitoes, of medical importance. | 2016 | 27794392 |
larvicidal activity of myrtaceae essential oils and their components against aedes aegypti, acute toxicity on daphnia magna, and aqueous residue. | the larvicidal activity of 11 myrtaceae essential oils and their constituents was evaluated against aedes aegypti l. of the 11, melaleuca linariifolia sm., melaleuca dissitiflora f. muell., melaleuca quinquenervia (cav.) s. t. blake, and eucalyptus globulus labill oils at 0.1 mg/ml exhibited > or = 80% larval mortality. at this same concentration, the individual constituents tested, allyl isothiocyanate, alpha-terpinene, p-cymene, (+)-limonene, (-)-limonene, gamma-terpinene, and (e)-nerolidol, r ... | 2011 | 21485381 |
water use patterns of estuarine vegetation in a tidal creek system. | water availability is a key determinant of the zonation patterns in estuarine vegetation, but water availability and the use of different water sources over space and time are not well understood. we have determined the seasonal water use patterns of riparian vegetation over an estuarine ecotone. our aim was to investigate how the water use patterns of estuarine vegetation respond to variations in the availability of tidal creek water and rain-derived freshwater. the levels of natural stable iso ... | 2013 | 23070143 |
phosphorus removal from secondary sewage and septage using sand media amended with biochar in constructed wetland mesocosms. | to improve the performance efficiency of subsurface constructed wetlands (cws), a variety of media have been tested. recently, there has been a rising interest in biochar. this research aims to develop the effectiveness of sand media amended with biochar and two plants species (melaleuca quinquenervia and cymbopogon citratus) in removing phosphorus from sewage effluent in cws. the experimental design consisted of vertical flow (vf) mesocosms with seven media treatments based on the proportions o ... | 2016 | 27341113 |
an investigation into the effectiveness of sand media amended with biochar to remove bod5, suspended solids and coliforms using wetland mesocosms. | constructed wetland ecotechnologies (cwes) are a promising solution to effectively treat domestic wastewater in developing countries at low cost. this paper reports the findings of the effectiveness of sand media amended with woody biochar and two plants species (melaleuca quinquenervia and cymbopogon citratus) in removing biological oxygen demand (bod5), suspended solids and coliforms. the experimental design consisted of 21 vertical flow (vf) mesocosms. there were seven media treatments using ... | 2015 | 26442496 |
description of a new genus and two new species of high frequency cicada from new caledonia (insecta: hemiptera, cicadoidea, cicadidae). | the new genus murmurillana delorme gen. nov., is described within the tribe cicadettini buckton, 1889, designating murmurillana inaudibilis delorme sp. nov., as the type species. murmurillana inaudibilis delorme sp. nov. and murmurillana paenetacita delorme sp. nov. are described from new caledonia. they are respectively found in mid altitude dense niaouli shrub (melaleuca quinquenervia, myrtaceae) vegetation, mixed with dense fern cover (pteridium sp., dennstaedtiaceae) on the massif of aoupini ... | 2016 | 27395606 |
nematodes from galls on myrtaceae. ix. fergusobia rosettae n. sp. on melaleuca quinquenervia and f. tolgaensis n. sp. on syzygium luehmannii, from queensland. | two new species of fergusobia, collected from 'rosette' shoot bud galls on melaleuca quinquenervia, and from leaf, stem, leaf and flower bud galls on syzygium luehmannii, both from the cairns region of queensland, australia, are described. fergusobia rosettae davies n. sp. is characterised by the combination of a small, arcuate parthenogenetic female having a short conoid tail with a bluntly rounded tip, an arcuate, relatively slender, infective female with an almost hemispherical tail tip, and ... | 2014 | 25544140 |
fergusobia/fergusonina-induced shoot bud gall development on melaleuca quinquenervia. | fergusobia nematodes and fergusonina flies are mutualists that cause a variety of gall types on myrtaceous plant buds and young leaves. the biology of an isolate of the gall complex was studied in its native range in australia for possible use in southern florida as a biological control agent against the invasive broad-leaved paperbark tree, melaleuca quinquenervia. timed studies with caged fergusonina flies on young branches of m. quinquenervia revealed that females are synovigenic with lifetim ... | 2001 | 19265887 |