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solanum torvum as a causative agent of enzootic calcinosis in papua, new guinea.inclusion of dried powdered leaves of solanum torvum swartz (collected in papua, new guinea) in the diet of rats induced hypercalcaemai rapidly and hyperphosphataemia more slowly; soft tissue calcification was most evident in the kidney and lung. solanum torvum may be a causative agent of enzootic calcinosis in cattle in papua, new guinea.1979523823
induction of tumours by indian dietary constituents.fishes and vegetables are preserved by salting and sundrying; and later fried in oil and consumed. such preparations have been found to contain polycyclic aromatic hydrocarbons, and are genotoxic and mutagenic. the potential carcinogenic effects of these and other dietary items have been studied by oral feeding to swiss mice at 100 mg/animal/day for 12 months; and observing upto two years. when so prepared and tested, chillies (capsicum annum l.) produce adenocarcinomas in the abdomen in 35% of ...19958772809
antimicrobial activity of methanolic extract of solanum torvum fruit.the methanolic extract of solanum torvum fruit showed a wide spectrum of antimicrobial activities against human and animal clinical isolates.200010727817
antiviral isoflavonoid sulfate and steroidal glycosides from the fruits of solanum torvum.the c-4 sulfated isoflavonoid, torvanol a (1), and the steroidal glycoside, torvoside h (3), together with the known glycoside, torvoside a (2), were isolated from a meoh extract of solanum torvum fruits. upon enzymatic hydrolysis with beta-glucosidase, torvoside a (2) and torvoside h (3) yielded the corresponding acetal derivatives 4 and 5, respectively. torvanol a (1), torvoside h (3) and compound 5 exhibited antiviral activity (herpes simplex virus type 1) with ic(50) values of 9.6, 23.2 and ...200211830167
cdna cloning and characterization of the ve homologue gene stve from solanum torvum swartz.verticillium wilt is a disastrous disease causing significant yield losses of many crops. isolation of verticillium wilt resistance gene is a fundamental work for controlling this disease through genetic engineering. in this report, we describe the cloning and characterization of a ve like gene (stve) from solanum torvum swartz. the nucleotide sequence of stve is 3640 bp long with an open reading frame of 3414 bp encoding a protein precursor of 1138 aa. sharing high homologies to tomato verticil ...200415346762
design and application of two novel degenerate primer pairs for the detection and complete genomic characterization of potyviruses.two pairs of degenerate primers were designed from sequences within the potyviral ci (cifor/cirev) and hc-pro-coding regions (hpfo/hprev), and these were shown to be highly specific to members of the genus potyvirus. using the cifor and cirev primers, three novel potyviruses infecting crop and weed species from vietnam were detected, namely telosma mosaic virus (telmv) infecting telosma (telosma cordata, asclepiadaceae), peace lily mosaic virus (pelmv) infecting peace lily (spathiphyllum patinii ...200817906831
isolation and identification of mosquito larvicidal compound from abutilon indicum (linn.) sweet.larvicidal activity of crude hexane, ethyl acetate, petroleum ether, acetone and methanol extracts of five medicinal plants, abutilon indicum, aegle marmelos, euphorbia thymifolia, jatropha gossypifolia and solanum torvum were assayed for their toxicity against the early fourth-instar larvae of culex quinquefasciatus. the larval mortality was observed after 24 h exposure. all extracts showed moderate larvicidal effects; however, the highest larval mortality was found in petroleum ether extract o ...200818176816
anti-ulcerogenic properties of the aqueous and methanol extracts from the leaves of solanum torvum swartz (solanaceae) in rats.solanum torvum (solanaceae) is a plant currently used in cameroon ethnomedicine for the treatment of stomach ailments.200818602980
four new steroidal glycosides from solanum torvum and their cytotoxic activities.two novel c-22 steroidal lactone saponins, namely solanolactosides a, b (1, 2) and two new spirostanol glycosides, namely torvosides m, n (3, 4) were isolated from ethanol extract of aerial parts of solanum torvum. their structures were characterized as solanolide 6-o-[alpha-l-rhamnopyranosyl-(1-->3)-o-beta-d-quinovopyranoside] (1), solanolide 6-o-[beta-d-xylopyranosyl-(1-->3)-o-beta-d-quinovopyranoside] (2), yamogenin 3-o-[beta-d-glucopyranosyl-(1-->6)-o-beta-d-glucopyranoside] (3) and neochlor ...200918950652
larvicidal potential of medicinal plant extracts against anopheles subpictus grassi and culex tritaeniorhynchus giles (diptera: culicidae).mosquito control is facing a threat due to the emergence of resistance to synthetic insecticides. insecticides of botanical origin may serve as suitable alternative biocontrol techniques in the future. the acetone, chloroform, ethyl acetate, hexane, methanol and petroleum ether extracts of leaf, flower and seed of cassia auriculata l., leucas aspera (willd.), rhinacanthus nasutus kurz., solanum torvum swartz and vitex negundo linn. were tested against fourth instar larvae of malaria vector, anop ...200919085005
evidence of parietal amine oxidase activity in solanum torvum sw. stem calli after ralstonia solanacearum inoculation.calli induced from solanum torvum stem explants were inoculated with ralstonia solanacearum under partial vacuum. all calli showed a hypersensitive response after infiltration. furthermore, amine oxidase activity with aldehyde and h(2)o(2) production was detected in semi-purified cell walls of calli infiltrated by the bacteria. due to its preferential affinity for monoamines, this enzyme is supposed to have monoamine oxidase-like (mao-like) activity. moreover, the presence of hydroxyl radicals i ...200919201615
hypertensive effects of oral administration of the aqueous extract of solanum torvum fruits in l-name treated rats: evidence from in vivo and in vitro studies.solanum torvum fruits are commonly used in cameroonian traditional medicine for treatment of arterial hypertension. it has been previously shown that intravenous administration of aqueous extract from dried fruits (aest) reduced blood pressure.200919439171
effect of solanum torvum on blood pressure and metabolic alterations in fructose hypertensive rats.solanum torvum (solanaceae) is a plant used in cameroon ethnomedicine for the treatment of hypertension.200919683046
protective effect of solanum torvum on doxorubicin-induced nephrotoxicity in rats.nephrotoxicity is one of the important side effects of anthracycline antibiotics. the aim of the study was to determine the protective effect of solanum torvum on doxorubicin-induced nephrotoxicity in rats using biochemical and histopathological approaches. oxidative stress is the main factor in doxorubicin (dox) induced nephrotoxicity. wistar rats received either dox (67.75 mg/kg, i.v, 2 days before sacrifice) or s. torvum (100mg/kg and 300 mg/kg, p.o.) prior to dox treatment or s. torvum (100m ...201019883716
anti-inflammatory activities of extracts of thai spices and herbs with lipopolysaccharide-activated raw 264.7 murine macrophages.nitric oxide (no) and tumor necrosis factor-alpha (tnf-alpha) play important roles in inflammatory processes. this study examined whether 13 spices/herbs commonly used in thai dishes modulate the production of no and tnf-alpha by the raw 264.7 mouse macrophage cell line pretreated with plant extracts (1-100 microg/ml) prior to activation by bacterial lipopolysaccharide (lps). tested plant tissues were extracted with ethanol with the exception of roselle, which was extracted with 70% acetone. eig ...200920041774
effect of polyphenolic compounds from solanum torvum on plasma lipid peroxidation, superoxide anion and cytochrome p450 2e1 in human liver microsomes.previous studies presented evidence that plants contain antioxidants that have free radical-scavenging properties. overproduction of free radicals leads to oxidative stress, a factor associated with a variety of diseases, such as diabetes. cytochrome p450 2e1 enzymes (cyp2e1) are involved in drug metabolism in the liver and metabolism of dna-reaction generating intra-mitochondrial ros, which leads to micro- and macro-vascular pathology in diabetes. plant-based chemicals can affect cyp2e1 enzymes ...200920041835
evaluation of medicinal plant extracts against blood-sucking parasites.the present study was based on assessments of the antiparasitic activities to determine the efficacies of acetone, chloroform, ethyl acetate, hexane, and methanol dried leaf, flower, and seed extracts of cassia auriculata l., rhinacanthus nasutus kurz., solanum torvum swartz, terminalia chebula retz., and vitex negundo linn. were tested against larvae of cattle tick rhipicephalus (boophilus) microplus canestrini, 1887 (acari: ixodidae), adult of haemaphysalis bispinosa neumann, 1897 (acarina: ix ...201020306205
solanum torvum inhibits helicobacter pylori growth and mediates apoptosis in human gastric epithelial cells.helicobacter pylori infection is associated with an increased risk for development of duodenal ulcers, gastric ulcers, gastric adenocarcinomas and gastric lymphomas. however, resistant strains have developed because of antibiotic treatment. in this study, the water, acetone, chloroform and methanol extracts of two solancaceae plants, solanum erianthum and solanum torvum (st), were tested for their anti-h. pylori activity. all of st extracts were able to inhibit the growth of h. pylori and showed ...201020372857
methyl caffeate as an alpha-glucosidase inhibitor from solanum torvum fruits and the activity of related compounds.in screening experiments for rat intestinal alpha-glucosidase (sucrase and maltase) inhibitors in 325 plants cultivated in japan's southern island, of tanegashima, marked inhibition against both sucrase and maltase was found in the extract of the fruit of solanum torvum. enzyme-assay guided fractionation of the extract led to the isolation of methyl caffeate (1) as a rat intestinal sucrase and maltase inhibitor. we examined 13 caffeoyl derivatives for sucrase- and maltase-inhibitory activities. ...201020378981
ralstonia solanacearum induces soluble amine-oxidase activity in solanum torvum stem calli.solanum torvum is reported to carry resistance to bacterial wilt caused by ralstonia solanacearum. so, this wild species is used as rootskock for eggplants or tomatoes in naturally infected soil. this study aimed to investigate the involvement of the polyamine metabolism pathway in the resistance mechanisms of this species. calli induced from solanum torvum stem explants were inoculated with the bacteria under partial vacuum. all calli showed a hypersensitive response after infiltration. further ...201020650643
larvicidal efficacy of medicinal plant extracts against anopheles stephensi and culex quinquefasciatus (diptera: culicidae).mosquitoes transmit serious human diseases, causing millions of deaths every year. natural products of plant origin with insecticidal properties have been used in recent years for control of a variety of pest insects and vectors. the present study was based on assessments of the larvicidal activity to determine the efficacies of hexane, chloroform, ethyl acetate, acetone and methanol extracts of ten medicinal plants tested against fourth instar larvae of malaria vector, anopheles stephensi listo ...201020962718
efficacy of anthelmintic properties of medicinal plant extracts against haemonchus contortus.the development of anthelmintic resistance has made the search for alternatives to control gastrointestinal nematodes of small ruminants imperative. among these alternatives are several medicinal plants traditionally used as anthelmintics. this present work evaluated the efficacy of ethyl acetate, acetone, and methanol dried leaf and seed extracts of five medicinal plants were tested in vitro ovicidal and larvicidal activities on haemonchus contortus. the in vitro assay was based on egg hatch as ...201020980034
anthelmintic activity of botanical extracts against sheep gastrointestinal nematodes, haemonchus contortus.the source of chemical anthelmintics (levamisole, flubendazole, and thiabendazole) had limited the success of gastrointestinal nematodiasis control in sheep and goats and thus awakened interest in the study of medicinal plant extracts as alternative sources of anthelmintics. the egg hatching and larvicidal effect of indigenous plant extracts were investigated against the sheep parasite, haemonchus contortus. the purpose of the present study was to assess the efficacy of leaf, bark, and seed ethy ...201021161270
antiplasmodial potential of medicinal plant extracts from malaiyur and javadhu hills of south india.the emergence and spread of plasmodium falciparum with resistance to chloroquine (cq), the safest and cheapest anti-malarial drug, coupled with the increasing cost of alternative drugs especially in developing countries have necessitated the urgent need to tap the potential of plants for novel anti-malarials. the present study investigates the anti-malarial activity of the methanolic extracts of 13 medicinal plants from the malaiyur and javadhu hills of south india against blood stage cq-sensiti ...201121643655
involvement of central noradrenaline, serotonin and dopamine system in the antidepressant activity of fruits of solanum torvum (solanaceae).the methanolic extract (me) of solanum torvum seeds and its ethyl acetate fraction (eaf) were investigated for their antidepressant activity using behavioral (forced swim test, fst and tail suspension test, tst) and biochemical (monoamine oxidase, mao reduced activity) tests. me (10, 30 and 100 mg kg(-1)) and eaf (10 and 30 mg kg(-1)) dose dependently inhibited the immobility period, increased noradrenaline, serotonin and dopamine levels and inhibited the mao enzymes in fst and tst using mice. f ...201121660842
immunomodulatory and erythropoietic effects of aqueous extract of the fruits of solanum torvum swartz (solanaceae).the effect of solanum torvum (fam: solanaceae) on delayed type hypersensitivity (dth) response, hemagglutinating antibody (ha) titer, white blood cells (wbc), red blood cells (rbc) and hemoglobin concentration was investigated in sprague-dawley rats to establish immunomodulatory and erythropoietic activity.201121772757
antihyperglycemic activity and antidiabetic effect of methyl caffeate isolated from solanum torvum swartz. fruit in streptozotocin induced diabetic rats.natural remedies from medicinal plants are considered to be effective and safe alternatives to treat diabetes mellitus. solanum torvum swartz. fruit is widely used in the traditional system of medicine to treat diabetes. in the present study methyl caffeate, isolated from s. torvum fruit, was screened for its efficacy in controlling diabetes in animal models. antihyperglycemic effect of methyl caffeate was studied in normal glucose-fed rats. the effects of oral administration of methyl caffeate ...201121963451
solanum torvum swartz. fruit containing phenolic compounds shows antidiabetic and antioxidant effects in streptozotocin induced diabetic rats.in this study, quantification of phenolic compounds and the investigation of antidiabetic and antioxidant activities of the fruit of solanum torvum swartz. are described. s. torvum fruit methanol extract (stme) was administered orally at a dose of 200 and 400mg/kg/day to streptozotocin induced diabetic rats for 30days. the levels of glucose, insulin, total protein, hemoglobin, glycated hemoglobin, liver glycogen and marker enzymes of carbohydrate metabolism, hepatic function and antioxidants wer ...201121855597
gene expression analysis in cadmium-stressed roots of a low cadmium-accumulating solanaceous plant, solanum torvum.solanum torvum sw. cv. torubamubiga (tb) is a low cadmium (cd)-accumulating plant. to elucidate the molecular mechanisms of the cd acclimation process in tb roots, transcriptional regulation was analysed in response to mild cd treatment: 0.1 mum cdcl(2) in hydroponic solution. a unigene set consisting of 6296 unigene sequences was constructed from 18 816 tb cdnas. the distribution of functional categories was similar to tomato, while 330 unigenes were suggested to be tb specific. for expression ...200919837731
comparative transcriptome analysis of eggplant (solanum melongena l.) and turkey berry (solanum torvum sw.): phylogenomics and disease resistance analysis.eggplant (solanum melongena l.) and turkey berry (s. torvum sw.), a wild ally of eggplant with promising multi-disease resistance traits, are of great economic, medicinal and genetic importance, but genomic resources for these species are lacking. in the present study, we sequenced the transcriptomes of eggplant and turkey berry to accelerate research on these two non-model species.201424885385
diversity, biocontrol, and plant growth promoting abilities of xylem residing bacteria from solanaceous crops.eggplant (solanum melongena l.) is one of the solanaceous crops of economic and cultural importance and is widely cultivated in the state of goa, india. eggplant cultivation is severely affected by bacterial wilt caused by ralstonia solanacearum that colonizes the xylem tissue. in this study, 167 bacteria were isolated from the xylem of healthy eggplant, chilli, and solanum torvum sw. by vacuum infiltration and maceration. amplified rdna restriction analysis (ardra) grouped these xylem residing ...201424963298
the wrky transcription factor genes in eggplant (solanum melongena l.) and turkey berry (solanum torvum sw.).wrky transcription factors, which play critical roles in stress responses, have not been characterized in eggplant or its wild relative, turkey berry. the recent availability of rna-sequencing data provides the opportunity to examine wrky genes from a global perspective. we identified 50 and 62 wrky genes in eggplant (smelwrkys) and turkey berry (storwrkys), respectively, all of which could be classified into three groups (i-iii) based on the wrky protein structure. the smelwrkys and storwrkys c ...201525853261
antifungal and antimycotoxigenic potency of solanum torvum swartz. leaf extract: isolation and identification of compound active against mycotoxigenic strains of aspergillus flavus and fusarium verticillioides.the main objective of this study was to investigate the antifungal effect of solanum torvum leaves against different field and storage fungi, and to identify its active compound. in addition, to evaluate in vitro and in vivo inhibitory efficacy on toxigenic strains of aspergillus flavus and fusarium verticillioides.201526394117
[solanum torvum, toxicological evaluation on microorganisms and sperm cells].to evaluate the toxic effect of an aqueous extract of solanum torvum on microorganisms responsible for genitourinary infections as well as the adverse effects on sperm cells.201523234737
the extra cellular synthesis of gold and silver nanoparticles and their free radical scavenging and antibacterial properties.the bio reduction of chloro auric acid (haucl(4)) and silver nitrate (agno(3)) is achieved extracellularly by using the aqueous extract of solanum torvum (s. torvum) fruit. the nanoparticle formation was screened by uv-visible spectroscopy through color conversion due to surface plasma resonance bands at 560 nm and 430 nm for gold and silver nanoparticles respectively. the spherical shapes with smooth surface of gold and silver nanoparticles were analyzed through scanning electron microscope and ...201323107960
in vitro leishmanicidal activity of some cameroonian medicinal plants.eleven plants used in the cameroonian traditional medicine for the treatment of some parasitic infections were tested for their activity on the promastigote form of leishmania donovani. after incubation with different plant extracts at doses of 1600, 800, 400 and 200 microgram/ml, the evaluation of the cell viability was done by the trypan blue exclusion technique and by flow cytometry. this study shows that 48 h after incubation of promastigotes with plant extract, solanocia mannii and solanum ...201323562881
solanum torvum responses to the root-knot nematode meloidogyne incognita.solanum torvum sw is worldwide employed as rootstock for eggplant cultivation because of its vigour and resistance/tolerance to the most serious soil-borne diseases as bacterial, fungal wilts and root-knot nematodes. the little information on solanum torvum (hereafter torvum) resistance mechanisms, is mostly attributable to the lack of genomic tools (e.g. dedicated microarray) as well as to the paucity of database information limiting high-throughput expression studies in torvum.201323937585
in vitro antimycobacterial activity and toxicity of eight medicinal plants against pathogenic and nonpathogenic mycobacterial strains.tuberculosis (tb) caused by mycobacterium tuberculosis remains a serious public health challenge towards which new hits are urgently needed. medicinal plants remains a major source of new ligands against global infectious illnesses. in our laboratories, we are currently investigating locally used ethnobotanicals for novel compounds against zoonotic tuberculosis. the microplate alamar blue assay (maba) was used to study the anti-tb activity while the celltiter 96® aqueous assay, which is composed ...201628043491
antimycobacterial and cytotoxic activity of selected medicinal plant extracts.tuberculosis (tb) caused by mycobacterium tuberculosis remains an ongoing threat to human health. several medicinal plants are used traditionally to treat tuberculosis in ghana. the current study was designed to investigate the antimycobacterial activity and cytotoxicity of crude extracts from five selected medicinal plants.201626875647
characterization of bacteria degrading 3-hydroxy palmitic acid methyl ester (3oh-pame), a quorum sensing molecule of ralstonia solanacearum.bacterial wilt pathogen ralstonia solanacearum causes severe crop loss of eggplant, which is of economic importance in india. 3-hydroxy palmitic acid methyl ester (3oh-pame) is the main quorum sensing molecule governing the expression of virulence factors in r. solanacearum. ability of 164 bacterial isolates from the xylem of eggplant (solanum melongena l.), chilli pepper (capsicum annuum l.) and wild eggplant (solanum torvum sw.) to degrade 3oh-pame was tested by disc diffusion assay. enzymatic ...201525580768
comparison between solanum torvum sw. and s. melongena l. after ralstonia solanacearum inoculation.bacterial wilt, caused by ralstonia solanacearum, is one of the most devastating plant diseases, affecting some economically important solanaceae crops. in contrast, solanum torvum, also known as wild eggplant, does not wilt when infested with r. solanacearum. in order to describe the mechanism underlying the response of s. torvum, it was compared with the cultivated eggplant, s. melongena, when both were infected with the same r. solanacearum strain. no wilting occurred in s. torvum, although t ...201424853578
ralstonia solanacearum type iii secretion system effector rip36 induces a hypersensitive response in the nonhost wild eggplant solanum torvum.ralstonia solanacearum is a gram-negative soil-borne bacterium that causes bacterial wilt disease in more than 200 plant species, including economically important solanaceae species. in r. solanacearum, the hypersensitive response and pathogenicity (hrp) type iii secretion system is required for both the ability to induce the hypersensitive response (hr) in nonhost plants and pathogenicity in host plants. recently, 72 effector genes, called rip (ralstonia protein injected into plant cells), have ...201424745046
effects of organic extracts of six bangladeshi plants on in vitro thrombolysis and cytotoxicity.thrombus formed in blood vessels lead to atherothrombotic diseases such as myocardial or cerebral infarction. thrombolytic agents are used to dissolve the already formed clots in the blood vessels; however, these drugs sometimes cause serious and fatal consequences. herbal preparations have been used since ancient times for the treatment of several diseases although they show little toxicity in some cases. aqueous extracts of herbs used in thrombolysis have been reported before with cytotoxic da ...201323363538
medicinal plants used to treat tb in ghana.the current study was designed to document medicinal plant species that are traditionally used to treat tuberculosis (tb) by ghanaian communities.201526972879
host races of the cotton aphid, aphis gossypii, in asexual populations from wild plants of taro and brinjal.worldwide, several studies have shown that adaptation to different host plants in phytophagous insects can promote speciation. the cotton aphid, aphis gossypii glover (homoptera: aphididae: aphidini), is a highly polyphagous species, but its populations increase by parthenogenetic reproduction alone in indian subcontinent. this study showed that genotypes living in wild plants of taro, colocasia esculenta var. esculenta (l.) schott (alismatales: araceae), and brinjal, solanum torvum swartz (sola ...201323895554
solitary invasive orchid bee outperforms co-occurring native bees to promote fruit set of an invasive solanum.our understanding of the effects of introduced invasive pollinators on plants has been exclusively drawn from studies on introduced social bees. one might expect, however, that the impacts of introduced solitary bees, with much lower population densities and fewer foragers, would be small. yet little is known about the potential effects of naturalized solitary bees on the environment. we took advantage of the recent naturalization of an orchid bee, euglossa viridissima, in southern florida to st ...200919066971
ethnopharmacological use of herbal remedies for the treatment of malaria in the dangme west district of ghana.malaria is one of the most important diseases in the world. because of the devastating nature of the disease there is an urgent need to develop new drugs or vaccines for the treatment, prevention and management of the disease. the objective of the present study was to collect and document information on herbal remedies traditionally used for the treatment of malaria in the dangme west district of ghana.201020382213
antimicrobial screening of plants used for traditional medicine in the state of perak, peninsular malaysia.seventy-two extracts (methanol) obtained from the leaves, barks, and roots of 50 plant species used in the traditional medicine of perak, peninsular malaysia, have been screened for antibacterial and antifungal activities. peristrophe tinctoria, polyalthia lateriflora, knema malayana, solanum torvum, celosia argentea, eclipta prostrata, ancistrocladus tectorius, dillenia suffruticosa, piper stylosum and rafflesia hasseltii displayed the broadest spectrum of activity.200414693223
release and establishment of the parasitoid diachasmimorpha kraussii against the tephritid fruit fly bactrocera latifrons in hawaii.diachasmimorpha kraussii (fullaway) (hymenoptera: braconidae) was first released against bactrocera latifrons (hendel) (diptera: tephritidae) in hawaii in march 2003. over a three month period, eight releases, totaling 7,696 females and 3,968 males, were made in a turkeyberry, solanum torvum swartz (solanales: solanaceae) patch known to have a well established b. latifrons population. the establishment of d. kraussii was assessed through fruit collections conducted over a three-year period beyon ...201323879328
protective effect of sundakai (solanum torvum) seed protein (sp) against oxidative membrane damage in human erythrocytes.lipid peroxidation by ros at the membrane level disturbs the inherit integrity of components activating subsequent alterations in the function. in this study, the protective effect of purified sundakai (solanum torvum) seed protein (sp) was tested against oxidative membrane damage in erythrocyte membrane. sp prevented oxidative rbc lysis induced by pro-oxidants; fe:as (2:20 μmol), periodate (0.4 mm), and t-booh (1 mm) up to 86, 81, and 86 %, respectively. further, sp prevented the fe:as-induced ...201526374653
broad taxonomic characterization of verticillium wilt resistance genes reveals an ancient origin of the tomato ve1 immune receptor.plant-pathogenic microbes secrete effector molecules to establish themselves on their hosts, whereas plants use immune receptors to try and intercept such effectors in order to prevent pathogen colonization. the tomato cell surface-localized receptor ve1 confers race-specific resistance against race 1 strains of the soil-borne vascular wilt fungus verticillium dahliae which secrete the ave1 effector. here, we describe the cloning and characterization of ve1 homologues from tobacco (nicotiana glu ...201726946045
hplc-dad analysis and in-vitro property of polyphenols extracts from (solanum aethiopium) fruits on α -amylase, α -glucosidase and angiotensin - 1- converting enzyme activities.garden egg (solanum aethiopium) is an edible fruits vegetable with  different species.this study investigated characterisation and the effect of the phenolics extracts from s. aethiopium species with enzymes linked with type -2-diabetes (α-amylase and α-glucosidase) and hypertension [angiotensin-1-converting enzyme (ace)].201425598760
long-distance transport of cadmium from roots to leaves of solanum melongena.in this study, the characteristics of cadmium (cd) uptake by roots and translocation from roots to leaves of two eggplant species (solanum melongena and solanum torvum) under relatively low cd concentrations were investigated using stable (108)cd isotope through a number of hydroponic experiments. the uptake and translocation of (108)cd was compared with those of (70)zn and (15)n. the results showed more (108)cd was loaded to the vascular channels and translocated upward to the leaves in s. melo ...201526407708
accumulation, functional annotation, and comparative analysis of expressed sequence tags in eggplant (solanum melongena l.), the third pole of the genus solanum species after tomato and potato.eggplant (solanum melongena l.) is a widely grown vegetable crop that belongs to the genus solanum, which is comprised of more than 1000 species of wide genetic and phenotypic variation. unlike tomato and potato, solanum crops that belong to subgenus potatoe and have been targets for comprehensive genomic studies, eggplant is endemic to the old world and belongs to a different subgenus, leptostemonum, and therefore, would be a unique member for comparative molecular biology in solanum. in this s ...201019857557
[effects of nacl stress on the growth, antioxidant enzyme activities and reactive oxygen metabolism of grafted eggplant].by the method of hydroponics and with the salt-tolerant eggplant cultivar 'torvum vigor' (solanum torvum) from japan as rootstock and the cultivar 'suqiqie' (solanum melongena l. ) as scion, this paper studied the differences between grafted and own-root seedlings in their photosynthetic characteristics, antioxidant enzyme activities, and reactive oxygen metabolism under 80 mmol x l(-1) nacl stress. the results showed that under nacl stress, the dry mass, chlorophyll content and photosynthetic r ...200717552189
somatic hybrid plants produced by electrofusion between solanum melongena l. and solanum torvum sw.somatic hybrid plants between eggplant (solanum melongena) and solanum torvum have been produced by the electrofusion of mesophyll protoplasts in a movable multi-electrode fusion chamber. using hair structure as a selection criteria, we identified a total of 19 somatic hybrids, which represented an overall average of 15.3% of the 124 regenerated plants obtained in the two fusion experiments. several morphological traits were intermediate to those of the parents, including trichome density and st ...198924232465
interspecific somatic hybrid plants between eggplant (solanum melongena) and solanum torvum.mesophyll protoplasts of eggplant (cv black beauty) and of solanum torvum (both 2n=2x=24) were fused using a modification of the menczel and wolfe peg/dmso procedure. protoplasts post-fusion were plated at 1 × 10(5)/ml in modified km medium, which inhibited division of s. torvum protoplasts. one week prior to shoot regeneration, ten individual calluses had a unique light-green background and were verified as cell hybrids by the presence of the dimer isozyme patterns for phosphoglucoisomerase (pg ...198824232265
a solanum torvum gh3 β-glucosidase expressed in pichia pastoris catalyzes the hydrolysis of furostanol glycoside.plant β-glucosidases are usually members of the glucosyl hydrolase 1 (gh1) or 3 (gh3) families. previously, a β-glucosidase (torvosidase) was purified from solanum torvum leaves that specifically catalyzed hydrolysis of two furostanol 26-o-β-glucosides, torvosides a and h. furostanol glycoside 26-o-β-glucosides have been reported as natural substrates of some plant gh1 enzymes. however, torvosidase was classified as a gh3 β-glucosidase, but could not hydrolyze β-oligoglucosides, the natural subs ...201627055587
nine sesquiterpenes from solanum torvum.three new sesquiterpenes, namely 3β,11-dihydroxy-4,14-oxideenantioeudesmane (1), 1β,10β,12,14-tetrahydroxy-allo-aromadendrane (2) and 1β,10β,13,14-tetrahydroxy-allo-aromadendrane (3), along with six known sesquiterpenes (4-9), were isolated from the roots of solanum torvum. compound 4 and 5 are epimers, their main difference lies in the c-11 configulation. normally, epimers do not make a huge difference in c nmr spectra, but in this kind of structure of a, b, c rings, and c ring is sterically st ...201626824767
solanum torvum swartz. fruit attenuates cadmium-induced liver and kidney damage through modulation of oxidative stress and glycosylation.increased levels of environmental pollutants are linked to almost all human disorders; the efficient method to manage the human health is through naturally available dietary molecule. solanum torvum (st) swartz (solanaceae) commonly called turkey berry is found in africa, asia, and south america. its fruit, part of traditional indian cuisine, is a widely consumed nutritious herb, acclaimed for its medicinal value. st aqueous extract (stae) (250, 500, and 1000 mg/kg b.w., 6 days; oral) against ac ...201626762936
electromyographic and laboratory findings in acute solanum torvum poisoning.solanum torvum berries, known as susumber or turkey berries, are prepared as part of traditional jamaican dishes usually served with cod and rice. poisoning is rare. although toxic compounds have never been definitively isolated, previous reports suggest toxicity results from inhibition of acetylcholinesterases. we present a case of susumber berry poisoning with detailed electromyographic studies and laboratory analysis.201626577583
in vitro anticancer activity of methyl caffeate isolated from solanum torvum swartz. fruit.the present study was undertaken to investigate the anticancer activity of methyl caffeate isolated from solanum torvum swartz. fruit and to explore the molecular mechanisms of action in mcf-7 cells. cytotoxic properties of hexane, ethyl acetate and methanol extracts were carried out against mcf-7 cells using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay. ethyl acetate extract showed good cytototoxic activities compared to hexane and methanol extracts. methyl caffeate w ...201526415618
gamma amino butyric acid accumulation in medicinal plants without stress.gamma amino butyric acid (gaba) is an important ubiquitous four carbon nonprotein amino acid with an amino group attached to gamma carbon instead of beta carbon. it exists in different organisms including bacteria, plants, and animals and plays a crucial role in humans by regulating neuronal excitability throughout the nervous system. it is directly responsible for the regulation of muscle tone and also effective in lowering stress, blood pressure, and hypertension.201725861139
[a new neolignan from fruit of solanum torvum].one new neolignan identified as 2, 3-( trans) -dihydro-2-(4-hydroxy-3-methoxyphenyl) -3-[(beta-d-glucopyranosyloxy) methyl]-7-methoxybenzofuran-5-propenoic acid (1) and five known steroidal glycosides namely torvoside a(2), torvoside c(3), torvoside h(4), solanolactoside a (5), (25s)-6alpha-hydroxy-5alpha-spirostan-3-one-6-0-[alpha-l-rhamnopyranosyl-(1-->3-beta3)-beta-d-d-quinovopyr-anoside] (6) were isolated from the fruits of solanum torvum. their structures were elucidated on the basis of 1d, ...201425272493
zebrafish bioassay-guided microfractionation identifies anticonvulsant steroid glycosides from the philippine medicinal plant solanum torvum.medicinal plants used for the treatment of epilepsy are potentially a valuable source of novel antiepileptic small molecules. to identify anticonvulsant secondary metabolites, we performed an in vivo, zebrafish-based screen of medicinal plants used in southeast asia for the treatment of seizures. solanum torvum sw. (solanaceae) was identified as having significant anticonvulsant activity in zebrafish larvae with seizures induced by the gabaa antagonist pentylenetetrazol (ptz). this finding corre ...201425127088
five new cyotoxic steroidal glycosides from the fruits of solanum torvum.the fruits of solanum torvum swartz, commonly known as turkey berry, are edible and commonly used as a vegetable in the south indian population's diet and as an essential ingredient in thai cuisine. five new steroidal glycosides together with five known ones were isolated from the fruits of s. torvum swartz. based on chemical and spectral evidence, the five new compounds were identified to be 25(s)-26-o-β-d-glucopyranosyl-5α-furost-22(20)-en-3β,6α,26-triol-6-o-[α-l-rhamnopyranosyl-(1→3)-o-β-d-qu ...201424444891
antimicrobial and antimycobacterial activities of methyl caffeate isolated from solanum torvum swartz. fruit.solanum torvum swartz. (solanaceae) fruit is traditionally used for the treatment of bacterial and fungal infections. the methanolic extract was subjected to activity guided fractionation by column chromatography over silica gel. the structure of the compound was elucidated using physical and spectroscopic data. the antimicrobial activity was screened using five gram-positive bacteria, six gram-negative bacteria, seven clinical isolates and four fungi. antimycobacterial activity was screened aga ...201224293730
anti-neutrophilic inflammatory steroidal glycosides from solanum torvum.torvpregnanosides a and b, two pregnane glycosides, and torvoside q, a 23-keto-spirostanol glycoside, along with twelve known steroidal saponins were isolated from aerial parts of solanum torvum. of the latter, four of the 23-hydroxy-spirostanol glycosides, and, a yamogenin glycoside, were in this plant discovered. all structures were identified from spectroscopic data, and all the compounds were tested for in vitro anti-neutrophilic inflammatory activity. two compounds showed selective inhibiti ...201323838628
two new steroidal glycosides isolated from the aerial part of solanum torvum swartz.one novel c-22 steroidal lactone saponin, namely solanolactoside c (1), and one new spirostanol glycoside, namely torvoside q (2), were isolated from the ethanolic extract of aerial parts of solanum torvum swartz. the structures of 1 and 2 were determined by extensive nmr experiments including (1)h nmr, (13)c nmr, dept, (1)h-(1)h cosy, hsqc, hmbc and roesy and hresims to be solanolide 6-o-β-d-quinovopyranoside and neochlorogenin 6-o-[β-d-xylopyranosyl-(1 → 3)-β-d-glucopyranoside], respectively.201323815408
antidepressant, anxiolytic and adaptogenic activity of torvanol a: an isoflavonoid from seeds of solanum torvum.the objective of this study was to determine the effect of torvanol a (10 and 30 mg/kg) isolated from solanum torvum as antidepressant, anxiolytic and adaptogenic. forced swim test (fst), tail suspension test (tst), elevated plus maze (epm) test, light dark apparatus (lda), pentylenetetrazole-induced convulsions model and chronic stress-induced behavioural despair test were used. torvanol a significantly (p < 0.05) decreased the immobility period, increased the time spent in open arms and entrie ...201323521182
essential oils from the leaves of six medicinal plants of nigeria.the chemistry of cassia siamea l., c. occidentalis l. (fabaceae), cnestis ferruginea vahl ex dc (connaraceae), anthocleista djalonensis a. chev (loganiaceae), solanum torvum swartz and s. erianthum g. don (solanaceae) volatiles grown in nigeria have been studied. the essential oils were obtained by hydrodistillation and analyzed by gc and gc-ms. the main compounds of c. siamea were (e)-geranyl acetone (5.8%), 1-octen-3-ol (5.8%), linalool (7.8%), iso-italicene (15.4%) and (e)-beta-damascenone (1 ...201323513740
steroidal saponins from the fruits of solanum torvum.seven steroidal glycosides have been isolated from the fruits of solanum torvum swartz. their structures were established by 2d nmr spectroscopic techniques ((1)h,(1)h-cosy, tocsy, noesy, hsqc, and hmbc) and mass spectrometry as (25s)-26-(β-d-glucopyranosyloxy)-3-oxo-5α-furost-20(22)-en-6α-yl-o-β-d-xylopyranoside (1), (25s)-26-(β-d-glucopyranosyloxy)-3-oxo-22α-methoxy-5α-furostan-6α-yl-o-β-d-xylopyranoside (2), (25s)-26-(β-d-glucopyranosyloxy)-3β-hydroxy-22α-methoxy-5α-furostan-6α-yl-o-α-l-rhamn ...201323218611
evaluation of antioxidant, radical scavenging activity and polyphenolics profile in solanum torvum l. fruits.solanum torvum fruit widely used in traditional medicine of india and also in food preparation. three different extracts such as water (we), methanol (me), and ethanol (ee) were used to evaluate their antioxidant and radical scavenging activity by different methods. all the assays results were compared with well-known standard antioxidants. the ic(50) values of assays were determined. the total phenolic and flavonoids content were found to be maximum in water and ethanol extracts, respectively. ...201222860581
comparative physiological responses of solanum nigrum and solanum torvum to cadmium stress.• under cadmium (cd) stress, solanum nigrum accumulated threefold more cd in its leaves and was tolerant to cd, whereas its low cd-accumulating relative, solanum torvum, suffered reduced growth and marked oxidative damage. however, the physiological mechanisms that are responsible for differential cd accumulation and tolerance between the two solanum species are largely unknown. • here, the involvement of antioxidative capacity and the accumulation of organic and amino acids in response to cd st ...201222809437
comparative transcriptome analysis of cadmium responses in solanum nigrum and solanum torvum.• solanum nigrum is a cadmium (cd) accumulator, whereas solanum torvum is a low cd-accumulating plant. the molecular mechanisms that are responsible for differential cadmium (cd) accumulation in the two solanum species are poorly understood. • here, grafting experiments confirmed that increased cd loading into the root xylem was responsible for the differential cd accumulation in the two solanum species. an iron (fe) supply assay indicated that low fe accumulation in s. torvum leaves is related ...201222809404
[comparative study on the content of chlorogenic acid in solanum torvum from different origin, different harvest time and different part].to develop a hplc method for determination of chlorogenic acid in solanum torvum and provide a scientific basis for evaluating the quality and reasonable utilization of the herb.201222734406
[study on triterpenes from solanum torvum].to study on the chemical constituents of solanum torvum.201122066447
[effects of cinnamic acid and vanillin on grafted eggplant root growth and physiological characteristics].choosing solanum torvum as rootstock and cultivated xi'anlü eggplant as scion, a pot culture experiment was conducted to study the effects of autotoxic substances (cinnamic acid and vanillin) on the root growth, antioxidase activity, and osmoregulation substances content of grafted eggplant, own-rooted eggplant, and rootstock eggplant. cinnamic acid and vanillin had allelopathic effects on the root system of test eggplants, with low concentration promoting and higher concentration inhibiting the ...201020873619
evaluation of medicinal plants from central kalimantan for antimelanogenesis.in the course of searching for new materials to use as whitening agents, we screened 19 methanol extracts prepared from 14 medicinal plants from central kalimantan province, indonesia. the screening methods used were the 1,1-diphenyl-2-picrylhydrazyl (dpph) radical-scavenging assay, a tyrosinase inhibition assay, and a melanin formation inhibition assay using b16 melanoma cells. the extracts of willughbeia coriacea (bark part of aerial root), phyllanthus urinaria (root), eleutherine palmifolia ( ...200919618251
structure elucidation and complete nmr spectral assignments of new furostanol glycosides from solanum torvum.two new furostanol glycosides, torvosides o (1) and p (2), were isolated from leaves of solanum torvum. their structures were completely and unambiguously assigned by one- and two-dimensional nmr techniques ((1)h nmr, (13)c nmr, tocsy, hsqc, roesy and hmbc), esi-ms spectrometry and chemical methods.200919544362
solanaceous steroidal glycoalkaloids and poisoning by solanum torvum, the normally edible susumber berry.ingestion of immature, environmentally stressed, or cultivar-specific solanum species (particularly the potato) has been previously associated with gastrointestinal and neurological symptoms caused by solanaceous steroidal glycoalkaloids (sgas). we report on two geographically, temporally disparate outbreaks of poisoning by susumber berries (solanum torvum- solanaceae) and on detection of alkaloids not present in non-toxic berries. five family members in new york city participated in a tradition ...200818725244
characterization of spirostanol saponins in solanum torvum by high-performance liquid chromatography/evaporative light scattering detector/electrospray ionization with multi-stage tandem mass spectrometry.high-performance liquid chromatography with an evaporative light scattering detector and electrospray ionization multistage tandem mass spectrometry (hplc/elsd/esi-ms(n)) was used to identify spirostanol saponins in a saponin extract of solanum torvum. the fragmentation behavior of saponins was studied using esi-ms(1-3) in positive ion mode. the ms(n) spectra of the [m+h](+) ions provide structural information including aglycone type and the nature and sequence of sugars. the use of elsd allowed ...200818634112
occurrence and distribution of hexachlorocyclohexane isomers in vegetation samples from a contaminated area.the occurrence and distribution of four major hexachlorocyclohexane (hch) isomers (alpha-, beta-, gamma- and delta-) were studied in vegetation samples of a highly contaminated area close to a small-scale industrial belt in lucknow (north india). eight species of plants were collected at different points of the contaminated area and different parts of the plants were separated in order to study the difference in uptake and accumulation. the samples were extracted by matrix solid-phase dispersion ...200818329069
analgesic and anti-inflammatory properties of aqueous extract from leaves of solanum torvum (solanaceae).solanum torvum is used in cameroonian traditional medicine for the management of pain and inflammation. the present work assesses the pain-killing and anti-inflammatory properties of the aqueous extracts of solanum torvum leaves. acetic acid- and pressure- induced pains were reduced by this extract while carrageenan-induced inflammation was inhibited at various doses of the extract. the extract therefore has both analgesic and anti-inflammatory properties.200620162098
furostanol glycoside 26-o-beta-glucosidase from the leaves of solanum torvum.a beta-glucosidase (torvosidase) was purified to homogeneity from the young leaves of solanum torvum. the enzyme was highly specific for cleavage of the glucose unit attached to the c-26 hydroxyl of furostanol glycosides from the same plant, namely torvosides a and h. purified torvosidase is a monomeric glycoprotein, with a native molecular weight of 87 kda by gel filtration and a pi of 8.8 by native agarose ief. optimum ph of the enzyme for p-nitrophenyl-beta-glucoside and torvoside h was 5.0. ...200616289258
three unusual 22-beta-o-23-hydroxy-(5 alpha)-spirostanol glycosides from the fruits of solanum torvum.three novel 22-beta-o-spirostanol oligoglycosides, torvosides j (1), k (2) and l (3) have been isolated from the fruits of solanum torvum swartz and their chemical structures have been characterized based on the spectroscopic means. they are worth of note as rare 22-beta-o-spirostanol glycosides.200516141580
enhancement of ovalbumin-specific iga responses via oral boosting with antigen co-administered with an aqueous solanum torvum extract.an experiment was conducted with the objective to enhance mucosal immunity against ovalbumin (ova) by co-administration of ova with an aqueous extract from the fruit of solanum torvum (ste). five groups of female icr mice aged approximately 8 weeks at the commencement of the experiment were caged in groups of eight and received various treatments. the treatments included ova alone, ova with cholera toxin (ct), and ova with various doses of ste. mice were primed intraperitoneally with 500 microg ...200415147827
studies on the effect of dry sundakai (solanum torvum) powder supplementation on lipid profile, glycated proteins and amino acids in non-insulin dependent diabetic patients.the effect of dry sundakai powder supplementation (7 g providing 1.23 g of crude fibre) on glycemic control, lipidemic control, total amino acids and uronic acid was studied on 30 non-insulin dependent diabetes mellitus patients. all the patients were on hypoglycemic drugs. the above parameters were monitored at day 1, 15 and 30 days. after one month of fibre supplementation, no significant changes were observed with respect to glucose, lipid profile, glycated proteins, total amino acids and uro ...19921315434
plant regeneration from leaf protoplasts of solanum torvum.a protocol to obtain regenerated plants from protoplasts of solanum torvum sw a wild species of eggplant resistant to verticillium wilt is reported. leaf protoplasts were enzymatically isolated from six-week old seedlings grown in a controlled environment chamber. protoplasts were plated on modified km medium (0.4 m glucose)+(mg/l): 1.0 p-chlorophenoxyacetic acid (cpa)+1.0 naphthaleneacetic acid (naa)+0.5 6-benzylaminopurine (bap) and 0.02 abscisic acid (aba). the protoplast density was 5×10(4) ...198724248765
[the steroid-alkaloid and sapogenin content of solanum torvum]. 19751219788
constituents of local plants. 8. the steroidal constituents of solanum torvum s w. 19675603485
[a plant hemostatic: solanum torvum (schwartz)]. 200714310429
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