| immediate skin and mucosal symptoms from pot plants and vegetables in gardeners and greenhouse workers. | short-lived occupational skin symptoms of irritant or urticarial nature were commonly reported among 253 attendants in a clinical study on occupational dermatitis in danish gardeners and greenhouse workers. aimed prick or scratch-patch testing for immediate skin and mucosal symptoms was performed in 105 persons with plants as is. 35 persons (33%) had at least 1 positive reaction and a family history of, or personal, atopy was significantly more prevalent among these compared to attendants with n ... | 1998 | 9817221 |
| phytophthora tropicalis on hedera helix and epipremnum aureum in polish greenhouses. | phytophthora tropicalis was isolated from hedera helix and epipremnum aureum showing discoloration of leaves, necrosis of shoot base, spread upwards and on roots. the species was detected from 7/8 plants of hedera and 3/4 of epipremnum. additionally botrytis cinerea, fusarium avenaceum and rhizoctonia solani were recovered from some of diseased plants. p. tropicalis caused leaf necrosis of 13 plant species and tomato seedlings. the quickest spread of necrosis was observed on leaves of peperomia ... | 2006 | 17390874 |
| identification of a mg-protoporphyrin ix monomethyl ester cyclase homologue, eazip, differentially expressed in variegated epipremnum aureum 'golden pothos' is achieved through a unique method of comparative study using tissue regenerated plants. | variegated plants provide a valuable tool for studying chloroplast biogenesis by allowing direct comparison between green and white/yellow sectors within the same leaf. while variegated plants are abundant in nature, the mechanism of leaf variegation remains largely unknown. current studies are limited to a few mutants in model plant species, and are complicated by the potential for cross-contamination during dissection of leaf tissue into contrasting sectors. to overcome these obstacles, an alt ... | 2010 | 20167611 |
| formaldehyde removal by potted plant-soil systems. | formaldehyde is a major indoor air pollutant. formaldehyde removal from indoor air conduces to decrease the health risk for urban inhabitants. in this study, a dynamic chamber technique was employed to investigate formaldehyde removal by potted spider plant (chlorphytum comosum), aloe (aloe vera) and golden pothos (epipremnum aureum) with potted soils. the results showed that the potted plant-soil systems could remove formaldehyde from air in a long time. the spider plant-soil system had the hig ... | 2011 | 21641719 |
| in silico identification of alternative oxidase 2 (aox2) in monocots: a new evolutionary scenario. | we identified aox2 genes in monocot species from lemnoideae (spirodela polyrhiza, lemna gibba and landoltia punctata), pothoideae (anthurium andraeanum and anthurium amnicola) and monsteroideae (epipremnum aureum) subfamilies within the araceae, an early-diverging monocot family. these findings highlight the presence of aox2 in the most ancient monocot ancestor and also that at least partial loss of this gene occurred during speciation events within several monocot orders. the presence of aox2 i ... | 2017 | 28081503 |
| a mathematical model of non-photochemical quenching to study short-term light memory in plants. | plants are permanently exposed to rapidly changing environments, therefore it is evident that they had to evolve mechanisms enabling them to dynamically adapt to such fluctuations. here we study how plants can be trained to enhance their photoprotection and elaborate on the concept of the short-term illumination memory in arabidopsis thaliana. by monitoring fluorescence emission dynamics we systematically observe the extent of non-photochemical quenching (npq) after previous light exposure to re ... | 2016 | 27620066 |
| accumulation of high opda level correlates with reduced ros and elevated gsh benefiting white cell survival in variegated leaves. | variegated 'marble queen' (epipremnum aureum) plant has white (vmw) and green (vmg) sectors within the same leaf. the white sector cells containing undifferentiated chloroplasts are viable, but the underlying mechanism for their survival and whether these white cells would use any metabolites as signal molecules to communicate with the nucleus for maintaining their viability remain unclear. we analyzed and compared phytohormone levels with their precursors produced in chloroplasts between vmw an ... | 2017 | 28276518 |
| genotoxicity assessment of volatile organic compounds in landfill gas emission using comet assay in higher terrestrial plant. | genotoxicity model is developed to assess the individual subacute toxicity of benzene, toluene, ethylbenzene, and xylene (btex) at very low levels as in a landfill gas. golden pothos (epipremnum aureum), a higher plant, was tested under variation of benzene 54-5656 ng/l, toluene 10-4362 ng/l, ethylbenzene 28-4997 ng/l, xylene 53-4845 ng/l, for 96 h. dna fragmentation in plant leaves were investigated via comet assay. the results show that dna migration ratio increased with the btex concentration ... | 2017 | 28039529 |
| gibberellin deficiency is responsible for shy-flowering nature of epipremnum aureum. | epipremnum aureum is an extremely popular houseplant belonging to the araceae family of angiosperms, but it does not flower either in the wild or under cultivation. we uncovered the potential causes of its shy-flowering nature by building the transcriptome using next-generation sequencing and identifying floral-related genes that are differentially expressed between vertical growth (vg, adult) and horizontal growth (hg, juvenile) plants. transcripts of the gibberellin (ga) biosynthetic gene eaga ... | 2016 | 27345283 |
| active removal of ibuprofen by money plant enhanced by ferrous ions. | in this study, the removal of ibuprofen (ibp), a pharmaceutical compound, from aqueous media by money plant (epipremnum aureum) was investigated. the effect of ferrous iron (fe(2+)) on enhancing the ibp removal rate was also analyzed. the first-order removal rate constants showed higher values for lower ibp initial concentrations in the range of 0.20-0.28 d(-1) for an initial concentration of 125 μg l(-1) to 0.03-0.13 d(-1) for an initial concentration of 1000 μg l(-1). introducing ferrous iron ... | 2016 | 26347930 |
| experimental investigation of the formaldehyde removal mechanisms in a dynamic botanical filtration system for indoor air purification. | botanical filtration has been proved to be effective for indoor gas pollutant removal. to understand the roles of different transport, storage and removal mechanism by a dynamic botanical air filter, a series of experimental investigations were designed and conducted in this paper. golden pothos (epipremnum aureum) plants was selected for test, and its original soil or activated/pebbles root bed was used in different test cases. it was found that flowing air through the root bed with microbes dy ... | 2014 | 25164387 |
| differential expression of a novel gene eaf82a in green and yellow sectors of variegated epipremnum aureum leaves is related to uneven distribution of auxin. | eaf82, a gene identified in previous studies of the variegated plant epipremnum aureum, exhibited a unique expression pattern with greater transcript abundance in yellow sectors than green sectors of variegated leaves, but lower abundance in regenerated pale yellow plants than in green plants derived from leaf tissue culture. studies of its full-length cdna and promoter region revealed two members with only the eaf82a expressed. immunoblotting confirmed that eaf82a encodes a 12 kda protein and i ... | 2014 | 24796240 |
| mapping of leaf water content using near-infrared hyperspectral imaging. | in this study, near-infrared hyperspectral imaging was applied to predict the water content of golden pothos (epipremnum aureum) leaves, after which partial least squares regression (plsr) analysis was performed to predict their averaged water content. the resulting predictive model was then applied to each single-pixel spectra in order to construct a water content image that could be used to evaluate the model's applicability to the single-pixel spectra through partial least squares score compa ... | 2013 | 24160882 |
| psychological and physiological effect in humans of touching plant foliage - using the semantic differential method and cerebral activity as indicators. | numerous studies have reported on the healing powers of plants and nature, but there have not been so many instances of experimental research. in particular, there are very few psychological and physiological studies using tactile stimuli. this study examines the psychological and physiological effects of touching plant foliage by using an evaluation profile of the subjects' impressions and investigating cerebral blood flow. | 2013 | 23587233 |
| uptake of aldehydes and ketones at typical indoor concentrations by houseplants. | the uptake rates of low-molecular weight aldehydes and ketones by peace lily (spathiphyllum clevelandii) and golden pothos (epipremnum aureum) leaves at typical indoor ambient concentrations (10(1)-10(2) ppbv) were determined. the c3-c6 aldehydes and c4-c6 ketones were taken up by the plant leaves, but the c3 ketone acetone was not. the uptake rate normalized to the ambient concentration c(a) ranged from 7 to 19 mmol m(-2) s(-1) and from 2 to 7 mmol m(-2) s(-1) for the aldehydes and ketones, res ... | 2009 | 19924966 |
| physiological response of epipremnum aureum for cobalt-60 and cesium-137 translocation and rhizofiltration. | in this study, three separate experiments were carried out to explore the potential of epipremnum plants for co-60 and cs-137 uptake and rhizofiltration from solutions. experiment i was carried out to screen the effects of different concentration (0-10 mm) of stable co and cs salts on some physiological components of the epipremnum over 20 d. data from the experiment showed that 1 mm of either co or cs had no adverse effects on the chlorophyll, soluble sugar, and protein of epipremnum. over 20 d ... | 2009 | 18246726 |
| uptake, transport and accumulation of nicotine by the golden potho (epipremnum aureum): the central role of root pressure. | the roots of epipremnum aureum, though not synthesizing nicotine themselves, take up exogenously fed nicotine as a xenobiotic. the alkaloid is subsequently translocated to the leaves, via the xylem path, where it accumulates in the mesophyll up to levels comparable with nicotine-rich nicotiana species. the epipremnum plants accept nicotine only up to a distinct level; saturation is reached after about 10 days. all mature, non-senescent leaves accumulate the same amount of nicotine. by different ... | 2005 | 15779824 |
| direct somatic embryogenesis and plant regeneration from leaf, petiole, and stem explants of golden pothos. | somatic embryos directly formed at cut edges or on the surface of leaf explants, around cut ends or along side surfaces of petiole and stem explants of 'golden pothos' [epipremnum aureum (linden & andre) bunt.] on murashige and skoog (ms) medium supplemented with n-(2-chloro-4-pyridyl)-n'-phenylurea (cppu) or n-phenyl-n'-1, 2, 3-thiadiazol-5-ylurea (tdz) with alpha-naphthalene acetic acid (naa) and a medium called mk containing ms salts with kao's vitamins, supplemented with 2.0 mg/l tdz and 0.2 ... | 2005 | 15688236 |
| comparison of dna damage detected by plant comet assay in roadside and non-roadside environments. | although mixed air pollutants generated from traffic are suspected as one of the causes of dna damage in living species, effects of the combination of these pollutants and other micro-environmental factors on urban biota have not been clarified yet. thus, this study mainly aimed to detect the genetic damages in selected plant biomonitors, which were ginkgo (ginkgo biloba), pohtos (epipremnum aureum), and periwinkle (vinca rosea), setting in roadside and non-roadside environments. two monitoring ... | 2003 | 14568292 |
| rapid, nondestructive measurement of chlorophyll content in leaves with nonuniform chlorophyll distribution. | a practical microcomputerized video image analysis method is described for quantifying leaf chlorophyll content without extraction. chlorophyll concentration is estimated from densimetric measurements of whole, intact leaves. direct comparison with conventional extraction measurements on epipremnum aureum, a variegated species, verified the image analysis technique's accuracy. the inherent advantages with regard to the nondestructive and convenient nature of the measurement, and suitability for ... | 1988 | 24429533 |