| screening of native plant species for phytoremediation potential at a hg-contaminated mining site. | artisanal and small-scale gold mining (asgm) is the largest sector of demand for mercury (hg), and therefore, one of the major sources of hg pollution in the environment. this study was conducted in the alacrán gold-mining site, one of the most important asgm sites in colombia, to identify native plant species growing in hg-contaminated soils used for agricultural purposes, and to assess their potential as phytoremediation systems. twenty-four native plant species were identified and analysed fo ... | 2016 | 26556744 |
| ethnoveterinary knowledge and practices at colares island, pará state, eastern amazon, brazil. | the lack of ethnoveterinary surveys in brazil, especially in the amazon region, results in losses in the veterinary phytopharmacology field and in scientific documentation of the cultural traditions of plant use in the treatment of animal diseases. | 2012 | 23000170 |
| treatment of leishmaniasis in the oyapock basin (french guiana): a k.a.p. survey and analysis of the evolution of phytotherapy knowledge amongst wayãpi indians. | cutaneous leishmaniasis is a neglected disease with a high incidence in french guiana, mainly in the middle and upper oyapock basin, where amerindian and some brazilian people live. the main goals of this work were (i) to assess the knowledge about leishmaniasis in the different populations of the middle and upper oyapock basin, (ii) to study the therapeutic strategies adopted by people affected by leishmaniasis and (iii) to document the use of phytotherapeutic remedies for leishmaniasis. knowle ... | 2011 | 21816216 |
| continuous, high-resolution biospeckle imaging reveals a discrete zone of activity at the root apex that responds to contact with obstacles. | shining a laser onto biological material produces light speckles termed biospeckles. patterns of biospeckle activity reflect changes in cell biochemistry, developmental processes and responses to the environment. the aim of this work was to develop methods to investigate the biospeckle activity in roots and to characterize the distribution of its intensity and response to thigmostimuli. | 2014 | 24284818 |
| extraction of high-quality dna from ethanol-preserved tropical plant tissues. | proper conservation of plant samples, especially during remote field collection, is essential to assure quality of extracted dna. tropical plant species contain considerable amounts of secondary compounds, such as polysaccharides, phenols, and latex, which affect dna quality during extraction. the suitability of ethanol (96% v/v) as a preservative solution prior to dna extraction was evaluated using leaves of jatropha curcas and other tropical species. | 2014 | 24761774 |
| toxicity, tunneling and feeding behavior of the termite, coptotermes vastator, in sand treated with oil of the physic nut, jatropha curcas. | oil of the physic nut, jatropha curcas l. (malpighiales: euphorbiaceae), was evaluated in the laboratory for its barrier and repellent activity against the philippine milk termite coptotermes vastator light (isoptera: rhinotermitidae). the study showed that j. curcas oil had anti-feeding effect, induced reduction in tunneling activity and increased mortality in c. vastator. behavior of termites exposed to sand treated with j. curcas oil indicated that it is toxic or repellent to c. vastator. tox ... | 2009 | 20053119 |
| laboratory and field evaluation of medicinal plant extracts against filarial vector, culex quinquefasciatus say (diptera: culicidae). | the present study explored the effects of jatropha curcas, hyptis suaveolens, abutilon indicum, and leucas aspera tested against third instar larvae of filarial vector, culex quinquefasciatus. the dried plant materials were powdered by an electrical blender. from each sample, 500 g powder was macerated with 1.5 l of hexane, chloroform, ethyl acetate, and methanol 8h, using soxhlet apparatus, and filtered. the extracts were concentrated at reduced temperature on a rotary evaporator and stored at ... | 2012 | 22146997 |
| detoxification of jatropha curcas kernel cake by a novel streptomyces fimicarius strain. | a huge amount of kernel cake, which contains a variety of toxins including phorbol esters (tumor promoters), is projected to be generated yearly in the near future by the jatropha biodiesel industry. we showed that the kernel cake strongly inhibited plant seed germination and root growth and was highly toxic to carp fingerlings, even though phorbol esters were undetectable by hplc. therefore it must be detoxified before disposal to the environment. a mathematic model was established to estimate ... | 2013 | 23792974 |
| influences of incorporating detoxified jatropha curcas kernel meal in common carp (cyprinus carpio l.) diet on the expression of growth hormone- and insulin-like growth factor-1-encoding genes. | jatropha curcas is a drought-resistant shrub or small tree widespread all over the tropics and subtropics. the use of j. curcas (l) kernel meal in fish feed is limited owing to the presence of toxic and antinutritional constituents. in this study, it was detoxified using heat treatment and organic solvent extraction method. the detoxification process was carried out for 60 min to obtain the detoxified meal. cyprinus carpio l. fingerlings (n = 180; avg. wt. 3.2 ± 0.07 g) were randomly distributed ... | 2013 | 22077318 |
| evaluations of the nutritional value of jatropha curcas protein isolate in common carp (cyprinus carpio l.). | jatropha curcas seeds are rich in oil and protein. the oil is used for biodiesel production. jatropha seed cake (jsc) obtained after oil extraction is rich in protein; however, it is toxic (phorbol esters content 1.3 mg/g) and consists of 50-60% shells, which are indigestible. the principle of isoelectric precipitation was used to obtain jatropha protein isolate (jpi) from jsc and it was detoxified (djpi). carp (n = 45, 20.3 ± 0.13 g) were randomly distributed into five groups with three replica ... | 2012 | 21895778 |
| physiological, haematological and histopathological responses in common carp (cyprinus carpio l.) fingerlings fed with differently detoxified jatropha curcas kernel meal. | protein rich jatropha curcas kernel meal is toxic. it was detoxified using heat treatment and solvent extraction. two duration of detoxification process were investigated: shorter (30 min) and longer (60 min) and the detoxified meals so obtained were designated as j(a) and j(b) respectively. common carp fingerlings (252 fish; 3.2+/-0.07 g) were fed with the following diets: control containing fishmeal (fm); s(50,) j(a50) and j(b50): 50% of fm protein replaced by soybean meal (sbm), detoxified ja ... | 2013 | 20457206 |
| dietary inclusion of detoxified jatropha curcas kernel meal: effects on growth performance and metabolic efficiency in common carp, cyprinus carpio l. | jatropha curcas is a multipurpose and drought-resistant shrub or small tree widespread all over the tropics and subtropics. its seeds are rich in oil, and the jatropha kernel meal obtained after oil extraction is rich in protein. however, presence of toxic and antinutritional constituents restricts its use in fish feed. jatropha kernel meal was detoxified. common carp, cyprinus carpio, fingerlings (15; av. body mass 10.9±0.65 g) were randomly distributed in three groups with five replicates. a 6 ... | 2010 | 20369288 |
| effects of phorbol esters in carp (cyprinus carpio l). | carp (cyprinus carpio l) were fed diets containing phorbol esters at concentrations of 0, 3.75, 7.5, 15, 31, 62.5, 125, 250, 500 and 1,000 micrograms/g feed. phorbol esters were from jatropha curcas nuts. jatropha curcas toxicity has been reported in humans, rodents and livestock, and phorbol esters have been identified as the main toxic agent. the adverse effects observed in carp at phorbol esters concentrations of 31 micrograms/g or higher were lower average metabolic growth rate, fecal mucus ... | 1998 | 9554059 |
| assessment of jatropha curcas l. biodiesel seed cake toxicity using the zebrafish (danio rerio) embryo toxicity (zfet) test. | consequent to the growing demand for alternative sources of energy, the seeds from jatropha curcas remain to be the favorite for biodiesel production. however, a significant volume of the residual organic mass (seed cake) is produced during the extraction process, which raises concerns on safe waste disposal. in the present study, we assessed the toxicity of j. curcas seed cake using the zebrafish (danio rerio) embryotoxicity test. within 1-h post-fertilization (hpf), the fertilized eggs were ex ... | 2014 | 24464135 |
| prognosis of physiological disorders in physic nut to n, p, and k deficiency during initial growth. | the description of physiological disorders in physic nut plants deficient in nitrogen (n), phosphorus (p) and potassium (k) may help to predict nutritional imbalances before the appearance of visual symptoms and to guide strategies for early nutrient supply. the aim of this study was to evaluate the growth of physic nuts (jatropha curcas l.) during initial development by analyzing the gas exchange parameters, nutrient uptake and use efficiency, as well as the nitrate reductase and acid phosphata ... | 2017 | 28399490 |
| osmoconditioning prevents the onset of microtubular cytoskeleton and activation of cell cycle and is detrimental for germination of jatropha curcas l. seeds. | jatropha curcas is an oilseed crop renowned for its tolerance to a diverse range of environmental stresses. in brazil, this species is grown in semiarid regions where crop establishment requires a better understanding of the mechanisms underlying appropriate seed, seedling and plant behaviour under water restriction conditions. in this context, the objective of this study was to investigate the physiological and cytological profiles of j. curcas seeds in response to imbibition in water (control) ... | 2016 | 27419375 |
| jatropha curcas and assisted phytoremediation of a mine tailing with biochar and a mycorrhizal fungus. | soil pollution is an important ecological problem worldwide. phytoremediation is an environmental-friendly option for reducing metal pollution. a greenhouse experiment was conducted to determine the growth and physiological response, metal uptake, and the phytostabilization potential of a nontoxic jatropha curcas l. genotype when grown in multimetal-polluted conditions. plants were established on a mine residue (mr) amended or not amended with corn biochar (b) and inoculated or not inoculated wi ... | 2017 | 27408989 |
| population structure of jatropha and its implication for the breeding program. | jatropha (jatropha curcas l.) has potential as an oilseed crop that requires the development of technology for its exploitation. the objective of this study was to assess the population structure and the genetic diversity in jatropha accessions at a global level using simple sequence repeat (ssr) molecular markers. jatropha accessions (n = 109) from 10 countries were genotyped using 10 ssr markers. the results showed a low level of genetic diversity among 92 accessions originating from india, mo ... | 2016 | 27050989 |
| distribution of constitutive heterochromatin in pachycoris torridus (hemiptera, scutelleridae) with different chromatic patterns. | the stink bug pachycoris torridus is a pest of great agricultural importance due to its records on culture of physic nut (jatropha curcas), which is the raw material for biodiesel production. an interesting feature of this insect is its high phenotypic variability, a characteristic that resulted in it being classified as a new species on eight separate occasions. in the suborder heteroptera, the heterochromatin pattern is specific and often allows species to be differentiated. to confirm whether ... | 2015 | 26634542 |
| high genetic variability and polychromatism in pachycoris torridus (heteroptera: scutelleridae). | the stink bug pachycoris torridus is listed among the most polyphagous insects in the world and it is a major pest of diverse crops, in particular the physic nut jatropha curcas, which is used as a raw material for biodiesel production. a peculiar characteristic of this species is its high phenotypic variability, a characteristic that makes identification difficult: p. torridus has been described as a new species eight times. thus, to aid in identification, genetic characterization of this insec ... | 2015 | 26600488 |
| seasonal variation in the populations of polyphagotarsonemus latus and tetranychus bastosi in physic nut (jatropha curcas) plantations. | studies on the seasonal variation of agricultural pest species are important for the establishment of integrated pest control programs. the seasonality of pest attacks on crops is affected by biotic and abiotic factors, for example, climate and natural enemies. besides that, characteristics of the host plant, crop management, location and the pests' bioecology also affect this seasonality. the mites polyphagotarsonemus latus (prostigmata: tarsonemidae) and tetranychus bastosi (prostigmata: tetra ... | 2015 | 25910991 |
| insects associated with jatropha curcas linn. (euphorbiaceae) in west niger. | jatropha curcas has been introduced into niger since 2004 by international crops research institute for the semi-arid tropics (icrisat). this plant is cultivated for its oil, which can be used as a biofuel. through direct and indirect insect collection methods, an inventory of the insect associated with j. curcas has been conducted in western niger during two rainy seasons (from june to october) in 2010 and 2011. we have identified insects belonging to the following families: acrididae (oedaleus ... | 2014 | 25528746 |
| weed management practices affect the diversity and relative abundance of physic nut mites. | crop management practices determine weed community, which in turn may influence patterns of diversity and abundance of associated arthropods. this study aimed to evaluate whether local weed management practices influence the diversity and relative abundance of phytophagous and predatory mites, as well as mites with undefined feeding habits--of the families oribatidae and acaridae--in a physic nut (jatropha curcas l.) plantation subjected to (1) within-row herbicide spraying and between-row mowin ... | 2015 | 25528451 |
| jatrophidin i, a cyclic peptide from brazilian jatropha curcas l.: isolation, characterization, conformational studies and biological activity. | a cyclic peptide, jatrophidin i, was isolated from the latex of jatropha curcas l. its structure was elucidated by extensive 2d nmr spectroscopic analysis, with additional conformational studies performed using molecular dynamics/simulated annealing (md/sa). jatrophidin i had moderate protease inhibition activity when compared with pepstatin a; however, the peptide was inactive in antimalarial, cytotoxic and antioxidant assays. | 2014 | 25200101 |
| agro-climatic zoning of jatropha curcas as a subside for crop planning and implementation in brazil. | as jatropha (jatropha curcas l.) is a recent crop in brazil, the studies for defining its suitability for different regions are not yet available, even considering the promises about this plant as of high potential for marginal zones where poor soils and dry climate occur. based on that, the present study had as objective to characterize the climatic conditions of jatropha's center of origin in central america for establishing its climatic requirements and to develop the agro-climatic zoning for ... | 2014 | 24691855 |
| pleomorphomonas diazotrophica sp. nov., an endophytic n-fixing bacterium isolated from root tissue of jatropha curcas l. | a novel aerobic, non-motile, pleomorphic, gram-negative and nitrogen-fixing bacterial strain, designated r5-392(t), was isolated from surface-sterilized root tissue of jatropha curcas. the organism grew optimally at 30 °c in media containing 1 % (w/v) nacl and at ph 6.0-8.0. the predominant ubiquinone was q-10 and the major fatty acids were c18 : 1ω7c/c18 : 1ω6c, c16 : 0 and c19 : 0 cyclo ω8c. the dna g+c content was 63.2 mol%. analysis of the 16s rrna gene sequence suggested that strain r5-392( ... | 2013 | 23223815 |
| aureimonas jatrophae sp. nov. and aureimonas phyllosphaerae sp. nov., leaf-associated bacteria isolated from jatropha curcas l. | four orange-pigmented isolates, l7-456, l7-484(t), l9-479 and l9-753(t), originating from surface-sterilized leaf tissues of jatropha curcas l. cultivars were characterized using a polyphasic taxonomic approach. phylogenetic analyses based on 16s rrna gene sequences indicated that all four isolates belong to the genus aureimonas. in these analyses, strain l7-484(t) appeared to be most closely related to aureimonas ureilytica 5715s-12(t) (95.7 % sequence identity). the 16s rrna gene sequences of ... | 2013 | 22922534 |
| jatrophihabitans endophyticus gen. nov., sp. nov., an endophytic actinobacterium isolated from a surface-sterilized stem of jatropha curcas l. | a short rod-shaped gram-stain-positive actinobacterium was isolated as an endophyte from the tissues of jatropha curcas cv. kb27 and was investigated by means of a polyphasic taxonomic approach. an analysis of its 16s rrna gene sequence indicated that strain s9-650(t) forms an individual line of descent and is related to certain members of the suborder frankineae, order actinomycetales (<95 % sequence similarity). distance-matrix and neighbour-joining analyses set the branching point of the nove ... | 2013 | 22798659 |
| application of jatropha curcas l. seed oil (euphorbiaceae) and microcurrent on the healing of experimental wounds in wistar rats. | to investigate the effects of jatropha curcas l. seed oil and microcurrent stimulation on the healing of wounds experimentally induced in wistar rats. | 2012 | 22760827 |
| nocardioides panzhihuaensis sp. nov., a novel endophytic actinomycete isolated from medicinal plant jatropha curcas l. | a novel gram-positive, aerobic, rod-shaped and mycelia-producing bacterial strain, designated klbmp 1050(t), was isolated from the stem of the oil-seed plant jatropha curcas l. collected from sichuan province, south-west china. phylogenetic analysis based on the 16s rrna gene sequence revealed that the isolate klbmp 1050(t) belonged to the genus nocardioides, with the highest sequence similarity to nocardioides albus kctc 9186(t) (99.38 %) and nocardioides luteus kctc 9575(t) (99.03 %). however, ... | 2012 | 22552630 |
| transcriptome analysis of the oil-rich seed of the bioenergy crop jatropha curcas l. | to date, oil-rich plants are the main source of biodiesel products. because concerns have been voiced about the impact of oil-crop cultivation on the price of food commodities, the interest in oil plants not used for food production and amenable to cultivation on non-agricultural land has soared. as a non-food, drought-resistant and oil-rich crop, jatropha curcas l. fulfils many of the requirements for biofuel production. | 2010 | 20691070 |
| ests from seeds to assist the selective breeding of jatropha curcas l. for oil and active compounds. | we report here on the characterization of a cdna library from seeds of jatropha curcas l. at three stages of fruit maturation before yellowing. we sequenced a total of 2200 clones and obtained a set of 931 non-redundant sequences (unigenes) after trimming and quality control, ie, 140 contigs and 791 singlets with phred quality ≥10. we found low levels of sequence redundancy and extensive metabolic coverage by homology comparison to go. after comparison of 5841 non-redundant ests from a total of ... | 2010 | 26217103 |