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germacrene c synthase from lycopersicon esculentum cv. vfnt cherry tomato: cdna isolation, characterization, and bacterial expression of the multiple product sesquiterpene cyclase.germacrene c was found by gc-ms and nmr analysis to be the most abundant sesquiterpene in the leaf oil of lycopersicon esculentum cv. vfnt cherry, with lesser amounts of germacrene a, guaia-6,9-diene, germacrene b, beta-caryophyllene, alpha-humulene, and germacrene d. soluble enzyme preparations from leaves catalyzed the divalent metal ion-dependent cyclization of [1-3h]farnesyl diphosphate to these same sesquiterpene olefins, as determined by radio-gc. to obtain a germacrene synthase cdna, a se ...19989482865
effect of azospirillum-mediated plant growth promotion on the development of bacterial diseases on fresh-market and cherry tomato.plant growth-promoting (pgp) activity of two azospirillum strains and their effects on foliar and vascular bacterial diseases were evaluated on fresh market and cherry tomato.200312969298
antimicrobial performance of alkaline ionic fluid (gc-100x) and its ability to remove escherichia coli o157:h7 from the surface of tomatoes.an efficacy test of gc-100x, a noncorrosive alkaline ionic fluid (ph 12) composed of free radicals and supplemented with xylitol, was carried out against six major foodborne pathogens-staphylococcus aureus fri 913, salmonella enterica serovar enteritidis atcc 13076, s. enterica serovar typhimurium dt104 korean isolate, vibrio parahaemolyticus atcc 17803, escherichia coli o157:h7 atcc 43894, and pseudomonas aeruginosa kctc 1637-at three different temperatures (4, 25, and 36 degrees c) with or wit ...200314503713
microtom--a high-throughput model transformation system for functional genomics.we have developed a high-throughput agrobacterium-mediated transformation model system using both nptii and the 5-enolpyruvylshikimate-3-phosphate synthase gene from agrobacterium tumefaciens strain cp4 (cp4) based selections in microtom, a miniature rapid-cycling cherry tomato variety. with the nptii selection system, transformation frequency calculated as independent transgenic events per inoculated explant ranged from 24 to 80% with an average of 56%, in industrial production scale transforma ...200616341726
tomato genotype and azospirillum inoculation modulate the changes in bacterial communities associated with roots and leaves.to evaluate the effect of plant variety and azospirillum brasilense inoculation on the microbial communities colonizing roots and leaves of tomato (lycopersicon esculentum mill.) plants.200717309628
rhamnolipids induce oxidative stress responses in cherry tomato fruit to alternaria alternata.rhamnolipids showed an antimicrobial activity applicable to a variety of pathogenic microorganisms, but mechanisms were mostly focused on their direct inhibitory effect.201626506951
antifungal activity of food additives in vitro and as ingredients of hydroxypropyl methylcellulose-lipid edible coatings against botrytis cinerea and alternaria alternata on cherry tomato fruit.the antifungal activity of food additives or 'generally recognized as safe' (gras) compounds was tested in vitro against botrytis cinerea and alternaria alternata. radial mycelial growth of each pathogen was measured in pda petri dishes amended with food preservatives at 0.2, 1.0, or 2.0% (v/v) after 3, 5, and 7 days of incubation at 25 °c. selected additives and concentrations were tested as antifungal ingredients of hydroxypropyl methylcellulose (hpmc)-lipid edible coatings. the curative activ ...201324026010
a chitosan coating containing essential oil from origanum vulgare l. to control postharvest mold infections and keep the quality of cherry tomato fruit.the efficacy of an edible chitosan coating (chi; 4 mg/ml) and origanum vulgare l. essential oil (oveo; 1.25 μl/ml) for maintaining the quality of cherry tomato fruit during storage at room (25°c; 12 days) and cold (12°c; 24 days) temperatures was assessed. chi and oveo in combination showed in vitro fungicidal effects against r. stolonifer and aspergillus niger. chi-oveo coating reduced the incidence of black mold and soft rot caused by these fungi in artificially contaminated cherry tomato frui ...201627877156
coatings comprising chitosan and mentha piperita l. or mentha × villosa huds essential oils to prevent common postharvest mold infections and maintain the quality of cherry tomato fruit.in this study, we evaluated the efficacy of coatings comprising shrimp chitosan (chi) and mentha piperita l. (mpeo) or mentha × villosa huds (mveo) essential oils to control mold infections caused by aspergillus niger, botrytis cinerea, penicillium expansum and rhizopus stolonifer in cherry tomato fruits (solanum lycopersicum l.) during storage at room temperature (25°c for 12 days) and low temperature (12°c for 24 days). the effects of the coatings on the physicochemical and sensory characteris ...201526313246
comparison of sample preparation methods for the recovery of foodborne pathogens from fresh produce.sample preparation methods (pummeling, pulsifying, sonication, and shaking by hand) were compared for achieving maximum recovery of foodborne pathogens from iceberg lettuce, perilla leaves, cucumber, green pepper, and cherry tomato. antimicrobial and dehydration effects also were examined to investigate causes of poor recovery of pathogens. each produce type was inoculated with escherichia coli o157:h7, salmonella typhimurium, listeria monocytogenes, staphylococcus aureus, and bacillus cereus at ...201222980003
trichoderma harzianum t-22 induces systemic resistance in tomato infected by cucumber mosaic virus.understanding the induction of plant defenses against viruses using biocontrol agents is essential for developing new strategies against these pathogens, given the ineffectiveness of chemical treatments. the ability of trichoderma harzianum, strain t-22 (t22) to control cucumber mosaic virus (cmv) in solanum lycopersicum var. cerasiforme plants and the changes in the physiology of tomato treated/infected with t22/cmv were examined. plant growth-promoting effects, photosynthetic performance, reac ...201627777581
soft rot of tomato caused by mucor racemosus in korea.a soft rot of fruits caused by mucor racemosus occurred on cherry tomato collected in agricultural products wholesale market in jinju, korea. the disease infection usually occurred wounded areas after cracking of fruits. at first, the lesions started with water soaked and rapidly softened and diseased lesion gradually expanded. colonies were white to brownish to gray in color. sporangia were 32~54 µm in size and globose in shape. sporangiophores were 8~14 µm in width. sporangiospores were 5~12 × ...200524049508
chitosan controls postharvest decay on cherry tomato fruit possibly via the mitogen-activated protein kinase signaling pathway.the inhibitive effects of chitosan on gray mold caused by botrytis cinerea on cherry tomato fruit were evaluated. decay incidence was tested on tomato stored at 22 °c. hydrogen peroxide accumulation, malondialdehyde (mda) production, peroxidase (pod) activity, and several related gene expressions (including mpk3, mpk6, pr1a1, and pr5) were determined. results showed that 0.2% of chitosan solution significantly inhibited the tomato gray mold 3 days after inoculation. hydrogen peroxide accumulated ...201526223862
efficacy of a coating composed of chitosan from mucor circinelloides and carvacrol to control aspergillus flavus and the quality of cherry tomato fruits.cherry tomato (lycopersicon esculentum mill) fruits are susceptible to contamination by aspergillus flavus, which may cause the development of fruit rot and significant postharvest losses. currently there are significant drawbacks for the use of synthetic fungicides to control pathogenic fungi in tomato fruits, and it has increased the interest in exploring new alternatives to control the occurrence of fungal infections in these fruits. this study evaluated the efficacy of chitosan (chi) from mu ...201526257717
hot air treatment induces disease resistance through activating the phenylpropanoid metabolism in cherry tomato fruit.to explore the effects of hot air (ha, 38 °c for 12 h) treatment on the phenylpropanoid metabolism in cherry tomatoes, phenylpropanoid metabolite levels and the activities and expression of key enzymes were analyzed in ha-treated fruit. ha treatment enhanced phenylpropanoid metabolism, as evidenced by elevated levels of phenolics and flavonoids, higher activities of phenylalanine ammonia-lyase and cinnamate-4-hydroxylase, and upregulated expression of lechs, lechi, lef3h, and lefls. levels of se ...201728813608
combined inhibitory effect against postharvest storage rots and their effects on postharvest quality parameters in cherry tomatoes by cassia oil and calcium chloride.the inhibitory effect of cassia oil alone or in combination with calcium chloride (cacl2) against alternaria alternata in vitro and in vivo was assessed on cherry tomatoes. the results demonstrated that concentrations of cacl2 ranging from 0.25 to 3% enhanced the inhibitory effects of 200 μl of cassia oil per liter on the growth of a. alternata in vitro. the combination of 0.25% cacl2 and 500 μl of cassia oil per liter showed a significant inhibition effect on decay development in both wounded a ...201324215690
effect of citronella essential oil on the inhibition of postharvest alternaria alternata in cherry tomato.essential oils such as citronella oil exhibit antifungal activity and are potential alternative inhibitors to chemical synthetic fungicides for controlling postharvest diseases. in this study the antifungal activity of citronella oil against alternaria alternata was investigated.201424425449
in vitro and in vivo control of alternaria alternata in cherry tomato by essential oil from laurus nobilis of chinese origin.many essential oils were reported to be used as natural, environmental friendly antimicrobial agents. the antifungal activity in vitro and in vivo of an essential oil extracted from chinese local laurus nobilis leaves against alternaria alternata has been studied.201425525652
phytochemical and nutrient/antinutrient interactions in cherry tomato (lycopersicon esculentum) fruits.the fruit of the cherry tomato (lycopersicon esculentum (solanaceae)) was analysed for mineral and antinutrient composition. phosphorus (33.04 ± 0.21 mg/100g) was the most abundant mineral in the fruit, followed by calcium (32.04 ± 0.06 mg/100 g), and potassium (11.9 ± 0.1 mg/100 g) and manganese (9.55 ± 0.28 mg/100 g) were also present in appreciable quantities. antinutrients, including phytate, glycoside, saponin and tannin, were screened and quantified. phytate (112.82 ± 0.1 mg/100 g), glycos ...201223533206
control of postharvest decay on cherry tomatoes by marine yeast rhodosporidium paludigenum and calcium chloride.in this study, the potential of calcium chloride (cacl(2)) application to improve the efficacy of the marine antagonist rhodosporidium paludigenum in controlling postharvest diseases of cherry tomatoes was assessed.201020202023
a combination of heat treatment and pichia guilliermondii prevents cherry tomato spoilage by fungi.this study investigated the effectiveness of heat treatment and pichia guilliermondii, either alone or in combination, to combat postharvest fungal spoilage in cherry tomato fruit. in vitro experiments demonstrated that heat treatment at 38 degrees c significantly inhibited mycelial growth of three different pathogens (botrytis cinerea, alternaria alternata and rhizopus stolonifer ehrenb). in vivo experiments unveiled that either heat treatment or p. guilliermondii reduced decay caused by these ...201019923029
heat treatment in combination with antagonistic yeast reduces diseases and elicits the active defense responses in harvested cherry tomato fruit.this study investigated the effects of heat treatment (hot air at 38 degrees c) and antagonistic yeast (pichia guilliermondii) alone or in combination against postharvest diseases (botrytis cinerea, alternaria alternata and rhizopus nigricans) on cherry tomato fruit, and evaluated the elicitation of active defense responses. results showed that heat treatment at 38 degrees c for 24 h in combination with p. guilliermondii at 1 x 10(8) cfu ml(-1) was the most effective approach to reduce various i ...200919637930
candidate genes and quantitative trait loci affecting fruit ascorbic acid content in three tomato populations.fresh fruit and vegetables are a major source of ascorbic acid (vitamin c), an important antioxidant for the human diet and also for plants. ascorbic acid content in fruit exhibits a quantitative inheritance. quantitative trait loci (qtl) for ascorbic acid content have been mapped in three tomato populations derived from crosses between cultivated tomato varieties (solanum lycopersicum accessions) and three related wild species or subspecies. the first population consists of a set of introgressi ...200717277090
high-nitrogen compost as a medium for organic container-grown crops.compost was tested as a medium for organic container-grown crops. nitrogen (n) loss during composting of separated cow manure (scm) was minimized using high c/n (wheat straw, ws; grape marc, gm) or a slightly acidic (orange peels, op) additives. n conservation values in the resultant composts were 82%, 95% and 98% for gm-scm, op-scm and ws-scm, respectively. physical characteristics of the composts were compatible with use as growing media. the nutritional contribution of the composts was assess ...200515491822
cloning and characterization of a cdna encoding hexokinase from tomato.two different partial sequences encoding putative hexokinase (hxk, atp: hexose-6-phosphotransferase, ec 2.7.1.1) were isolated from tomato (lycopersicon esculentum) by rt-pcr using degenerate primers. southern blot analysis suggested the existence of two divergent hxk genes. a complete cdna of one hxk was isolated by screening a cdna library prepared from young cherry tomato fruit. the 1770 bp cdna of lehxk2 contained an open reading frame encoding a 496 amino acid protein that has 69% identity ...200111164592
the effect of host plants on tetranychus evansi, tetranychus urticae (acari: tetranychidae) and on their fungal pathogen neozygites floridana (entomophthorales: neozygitaceae).in a series of tritrophic-level interaction experiments, the effect of selected host plants of the spider mites, tetranychus evansi and tetranychus urticae, on neozygites floridana was studied by evaluating the attachment of capilliconidia, presence of hyphal bodies in the infected mites, mortality from fungal infection, mummification and sporulation from fungus-killed mite cadavers. host plants tested for t. evansi were tomato, cherry tomato, eggplant, nightshade, and pepper while host plants t ...201121510956
genomic variation in tomato, from wild ancestors to contemporary breeding accessions.domestication modifies the genomic variation of species. quantifying this variation provides insights into the domestication process, facilitates the management of resources used by breeders and germplasm centers, and enables the design of experiments to associate traits with genes. we described and analyzed the genetic diversity of 1,008 tomato accessions including solanum lycopersicum var. lycopersicum (sll), s. lycopersicum var. cerasiforme (slc), and s. pimpinellifolium (sp) that were genoty ...201525880392
distribution and accumulative pattern of tetracyclines and sulfonamides in edible vegetables of cucumber, tomato, and lettuce.veterinary antibiotics can be released to environment by the animals' excretions, which thereby poses human health and ecological risks. six antibiotics (tetracycline, oxytetracycline, chlortetracycline, sulfamethazine, sulfamethoxazole, and sulfadimethoxine) at three concentrations (5, 10, and 20 mg kg(-1) soil) were employed in pots filled with a loamy sand upland soil. three types of vegetable seedlings, including cucumber (cucumis sativus), cherry tomato (solanum lycopersicum), and lettuce ( ...201525495233
cell wall glycosidase activities and protein content variations during fruit development and ripening in three texture contrasted tomato cultivars.excessive softening is the main factor limiting fruit shelf life and storage. it is generally acceptable now that softening of fruit which occurs during the ripening is due to synergistic actions of several enzymes on cell wall polysaccharides. as a subject for this study, we have assayed some glycosidase activities using three tomato species (lycopersicon esculentum) contrasted for their texture phenotypes; the cherry tomato line cervil (solanum lycopersicum var. cerasiforme), a common taste to ...201223961187
(1)h hr-mas nmr spectroscopy and the metabolite determination of typical foods in mediterranean diet.nmr spectroscopy has become an experimental technique widely used in food science. the experimental procedures that allow precise and quantitative analysis on different foods are relatively simple. for a better sensitivity and resolution, nmr spectroscopy is usually applied to liquid sample by means of extraction procedures that can be addressed to the observation of particular compounds. for the study of semisolid systems such as intact tissues, high-resolution magic angle spinning (hr-mas) has ...201526495154
[analysis of organochlorine pesticides and pyrethroid pesticides in vegetables by gas chromatography-electron capture detection coupled with solid-phase extraction using multiwalled carbon nanotubes as adsorbent].a multi-residue analytical method based on solid-phase extraction (spe) with multiwalled carbon nanotubes (mwcnts) as adsorbent was developed. the determination of 6 organochlorine pesticides and 7 pyrethroid pesticides in vegetables (including cucumber, cherry tomato, cabbage, lettuce, purple cabbage, leek, shallot and onion) was carried out by gas chromatography-electron capture detection (gc-ecd). the gc-ecd method used two columns (hp-50 and hp-1) and two ecd detectors. the hp-50 column was ...201121847981
effect of water-soluble fraction of cherry tomatoes on the adhesion of probiotics and salmonella to intestinal epithelial cells.tomato is one of the most consumed vegetables in the world and contains many valuable nutritional components. here we investigate the prebiotic effects of cherry tomatoes for improving gut health.201323749725
biocontrol activity of a cold-adapted yeast from tibet against gray mold in cherry tomato and its action mechanism.cold-adapted biocontrol yeast was selected from four yeast isolates from tibet against gray mold of cherry tomato in cold storage. the strain numbered lb2 showed the best biocontrol activity and identified as cryptococcus laurentii. competition for nutrient, space, and induced fruit resistance was also its antagonistic mechanism. compared with c. laurentii from sea-level place, the reason why lb2 had a better biocontrol activity was studied. more trehalose and proline in cell of lb2 made it exhi ...201728597045
inter-species comparative analysis of components of soluble sugar concentration in fleshy fruits.the soluble sugar concentration of fleshy fruit is a key determinant of fleshy fruit quality. it affects directly the sweetness of fresh fruits and indirectly the properties of processed products (e.g., alcohol content in wine). despite considerable divergence among species, soluble sugar accumulation in a fruit results from the complex interplay of three main processes, namely sugar import, sugar metabolism, and water dilution. therefore, inter-species comparison would help to identify common a ...027242850
metabolic fingerprinting to assess the impact of salinity on carotenoid content in developing tomato fruits.as the presence of health-promoting substances has become a significant aspect of tomato fruit appreciation, this study investigated nutrient solution salinity as a tool to enhance carotenoid accumulation in cherry tomato fruit (solanum lycopersicum l. cv. juanita). hereby, a key objective was to uncover the underlying mechanisms of carotenoid metabolism, moving away from typical black box research strategies. to this end, a greenhouse experiment with five salinity treatments (ranging from 2.0 t ...027240343
effects of ultrasound on spoilage microorganisms, quality, and antioxidant capacity of postharvest cherry tomatoes.mature-green cherry tomato fruits (lycopersicon esculentum cv. jinyu) were exposed to different power densities of ultrasound (66.64, 106.19, and 145.74 w/l) at 25 °c to study ultrasound non-thermal effects on the storage properties. among the three levels of ultrasound irradiation, 106.19 w/l ultrasound was effective in reducing the spoilage microorganisms, delaying postharvest ripening through inhibiting ethylene production and respiration rates, and consequently maintaining fruit firmness, fl ...026375026
morphological and physiological characteristics of transgenic cherry tomato mutant with hbsag gene.hbsag gene was previously introduced into cherry tomato (lycopersicum esculentum var. cerasiforme) by agrobacterium-mediated transformation. to investigate the side effect of hbsag gene in cherry tomato, we analyzed morphological and physiological characteristics of the transgenic mutant n244. the process was performed under field conditions. the results suggested that the mutant n244 exhibited morphological, cytological and physiological variation. first of all, compared with the wild plants nk ...201121954613
an undigested cherry tomato as a rare cause of small bowel obstruction.small bowel obstruction due to undigested fibre from fruits and vegetables is a rare but known medical condition. we report a case of small bowel obstruction caused by a whole cherry tomato in a patient without a past medical history of abdominal surgery. a 66-year-old man presented to the emergency department complaining of lower abdominal pain with nausea and vomiting. his last bowel movement had occurred on the morning of presentation. he underwent abdominal computed tomography (ct), which sh ...026264111
biology of a neotropical harlequin stink bug, runibia perspicua (f.).laboratory and field studies were conducted with nymphs and adults of the neotropical stink bug runibia perspicua (f.) to evaluate their biology on plants. total nymph mortality was ca. 13% on immature fruits of brunfelsia australis benth. (ifba) and 90% on raw shelled peanuts, arachis hypogaea l. (rsp); no nymphs survived on immature pods of green bean, phaseolus vulgaris l., or on immature fruits of privet, ligustrum lucidum ait. nymph developmental time was ca. 36 on ifba and 55 days on rsp. ...201729214546
microarray analysis of gene expression profile induced by the biocontrol yeast cryptococcus laurentii in cherry tomato fruit.to obtain an overall view on transcript modification during the cherry tomato fruit responding to biocontrol yeast cryptococcus laurentii, we performed a microarrary analysis, using affymetrix tomato genechip arrays, representing approximately 10,000 genes. the results showed that 194 and 312 genes were up- or down-regulated, respectively, more then ten time fold (log2 change ratio>or=2 or log2 change ratio<or=-2) in biocontrol yeast treated tomato fruit as compared with control fruits. those up ...200918976698
biocontrol of alternaria alternata on cherry tomato fruit by use of marine yeast rhodosporidium paludigenum fell & tallman.the basidiomycetous yeast rhodosporidium paludigenum fell & tallman isolated from the south of east china sea was evaluated for its activity in reducing postharvest decay of cherry tomatoes caused by alternaria alternata in vitro and in vivo tests. the results showed that washed cell suspension of r. paludigenum provided better control of a. alternata than any other treatment, while the autoclaved cell culture failed to provide protection against the pathogen. the concentration of antagonist had ...200818378348
major proteome variations associated with cherry tomato pericarp development and ripening.tomato (solanum lycopersicum) is a model plant for studying fleshy fruit development. several genetic and molecular approaches have been developed to increase our knowledge about the physiological basis of fruit growth, but very few data are yet available at the proteomic level. the main stages of fruit development were first determined through the dynamics of fruit diameter and pericarp cell number. then, total proteins were extracted from pericarp tissue at six relevant developmental stages an ...200717208958
hplc analysis of serotonin, tryptamine, tyramine, and the hydroxycinnamic acid amides of serotonin and tyramine in food vegetables.biogenic monoamines such as serotonin, tryptamine, and tyramine function as neurotransmitters and mitogenic factors in animals and are involved in flowering, morphogenesis, and protection from and adaptation to environmental changes in plants. in plants, serotonin and tyramine are conjugated to form phenolic compounds via thioester linkages during the synthesis of hydroxycinnamic acid amides, including p-coumaroylserotonin (cs), feruloylserotonin (fs), p-coumaroyltyramine (ct), and feruloyltyram ...200818598185
cdna cloning of artichoke mottled crinkle virus rna and localization and sequencing of the coat protein gene.we report the cdna cloning of the genomic rna of artichoke mottled crinkle virus (amcv), which is a member of tombusvirus group. amcv has a monopartite positive sense rna genome, which is not polyadenylated at the 3' end. the genome size is 4.8 kb. we have localized and sequenced the open reading frame (orf) encoding the coat protein. unlike most monopartite positive-strand rna plant viruses, the orf is not located near the 3' end, but like other members of the tombusvirus group, cyrsv (cymbidiu ...19892491684
enrichment broth for the detection of campylobacter jejuni and campylobacter coli in fresh produce and poultry.although campylobacteriosis caused by campylobacter jejuni and campylobacter coli has been increasingly reported worldwide owing to the consumption of contaminated poultry and fresh produce, the current detection protocols are not selective enough to inhibit unspecific microbes other than these pathogens. five antibiotics were separately added to bolton broth, and the survival rates of 18 campylobacter spp. and 79 non-campylobacter spp. were evaluated. the survival rate of the non-campylobacter ...201728990821
different compounds are extracted with different time courses from fruits during microwave hydrodiffusion: examples and possible causes.we set out to determine how nutrients diffuse during extraction, using fractional collection. the highest concentrations of sugars (195.5, 64.8 and 60.8g/l, respectively for grape, 'najbolia' plum and apricot) were found for the earliest stages of extraction, with a decrease in concentration (to 41.4g/l, 48.2g/l and 1.7g/l, respectively) at the end of extraction process. total polyphenols showed the same trends for plum and apricot (from 4.1g/l to 2.9g/l for 'najbolia' plum, from 2.2 to 0.2g/l f ...201424518331
the impact of crunchy wednesdays on happy meal fruit orders: analysis of sales data in france, 2009-2013.beginning in september, 2010, all mcdonald's restaurants in france offered free fruit with every happy meal sold on the first wednesday of the month. sales data were used to determine the impact of free fruit promotion on the proportion of regular happy meal fruit desserts sold.027843128
comparative analysis of environmental variability and fungal community structure in soils between organic and conventional commercial farms of cherry tomato in japan.soil environmental variability and fungal community structures were analyzed to evaluate differences in soils managed under organic (org) and conventional (cnv) systems of farming in fukushima and yamagata prefectures in japan. the soils were collected from 8 org and 13 cnv farms in 2005, and 6 org and 13 cnv farms in 2006. principal component analysis (pca) of 26 environmental variables demonstrated that plots of org and cnv were separated; however, the differences were unclear. environmental v ...200821558689
effects of a variety of food extracts and juices on the specific binding ability of norovirus gii.4 p particles.the effects of 13 food extracts and juices, including shellfish, fruits, and vegetables, on the binding ability of human norovirus (nov) were examined, using p particles of human nov gii.4 as a research surrogate. the enhancements (positive values) or reductions (negative values) of nov p particle detection (changes in optical density at 450 nm) in the presence of different food extracts and juices as compared with p particles diluted in phosphate-buffered saline were tested by saliva-binding, e ...201222980024
ripening behavior of wild tomato species.nine wild tomato species were surveyed for variability in ripening characteristics. external signs of ripening, age of fruit at ripening, and ethylene production patterns were compared. ethylene production was monitored using an ethylene-free air stream system and gas chromatography. based on these ripening characteristics, the fruits fell into three general categories: those that change color when they ripen, green-fruited species that abscise prior to ripening, and green-fruited species that r ...198116662121
association and genetic identification of loci for four fruit traits in tomato using indel markers.tomato (solanum lycopersicum) fruit weight (fw), soluble solid content (ssc), fruit shape and fruit color are crucial for yield, quality and consumer acceptability. in this study, a 192 accessions tomato association panel comprising a mixture of wild species, cherry tomato, landraces, and modern varieties collected worldwide was genotyped with 547 indel markers evenly distributed on 12 chromosomes and scored for fw, ssc, fruit shape index (fsi), and color parameters over 2 years with three repli ...201728769968
biological nutrient recovery from culturing of pearl gourami (trichogaster leerii ) by cherry tomato (solanum lycopersicum) in aquaponic system.the possibility of using different densities of cherry tomato as a bio-filter in a simple media-based aquaponic system to recycle nutrients from pearl gourami intensive culture wastewater was evaluated. water quality parameters including total ammonia nitrogen (tan), nitrite (no2-), nitrate (no3-), phosphate (po43-), ph, and dissolved oxygen (do) were determined in outlet of the aquaponic system during a 60-day experimental period. cherry tomato was planted at four densities of 0 (control), 3 (t ...201728712082
is monodehydroascorbate reductase activity in leaf tissue critical for the maintenance of yield in tomato?ascorbate redox metabolism and growth have been shown to be linked and related to the activity of enzymes that produce or remove the radical monodehydroascorbate, the semi-oxidized form of ascorbate (ascorbate oxidase or peroxidase and monodehydroascorbate reductase respectively). previous work in cherry tomato has revealed correlations between monodehydroascorbate reductase and ascorbate oxidase activity and fruit yield: decreased whole plant mdhar activity decreases yield while decreased whole ...201729287283
effect of the fruit position on the cluster on fruit quality, carotenoids, phenolics and sugars in cherry tomatoes (solanum lycopersicum l.).cherry tomato varieties are widely consumed in many countries. they contain nutrients and health-promoting compounds like phenolics and carotenoids. the main purpose of this study was to determine how the fruit position on the cluster affected quality parameters of diverse nature (weight, soluble solids, firmness, colour, carotenoids, phenolic compounds and sugars). for this purpose the fourth cluster of two cherry varieties (summerbrix and lazarino) were studied. the results indicated that the ...201728873753
fruit weight is controlled by cell size regulator encoding a novel protein that is expressed in maturing tomato fruits.increases in fruit weight of cultivated vegetables and fruits accompanied the domestication of these crops. here we report on the positional cloning of a quantitative trait locus (qtl) controlling fruit weight in tomato. the derived allele of cell size regulator (csr-d) increases fruit weight predominantly through enlargement of the pericarp areas. the expanded pericarp tissues result from increased mesocarp cell size and not from increased number of cell layers. the effect of csr on fruit weigh ...201728817560
genotype by watering regime interaction in cultivated tomato: lessons from linkage mapping and gene expression.in tomato, genotype by watering interaction resulted from genotype re-ranking more than scale changes. interactive qtls according to watering regime were detected. differentially expressed genes were identified in some intervals.201626582510
reduction of mdhar activity in cherry tomato suppresses growth and yield and mdhar activity is correlated with sugar levels under high light.ascorbate is oxidized into the radical monodehydroascorbate (mdha) through ascorbate oxidase or peroxidase activity or non-enzymatically by reactive oxygen species. regeneration of ascorbate from mdha is ensured by the enzyme mdha reductase (mdhar). previous work has shown that growth processes and yield can be altered by modifying the activity of enzymes that recycle ascorbate; therefore, we have studied similar processes in cherry tomato (solanum lycopersium l.) under- or overexpressing mdhar. ...201626510400
naturally occurring broad-spectrum powdery mildew resistance in a central american tomato accession is caused by loss of mlo function.the resistant cherry tomato (solanum lycopersicum var. cerasiforme) line lc-95, derived from an accession collected in ecuador, harbors a natural allele (ol-2) that confers broad-spectrum and recessively inherited resistance to powdery mildew (oidium neolycopersici). as both the genetic and phytopathological characteristics of ol-2-mediated resistance are reminiscent of powdery mildew immunity conferred by loss-of-function mlo alleles in barley and arabidopsis, we initiated a candidate-gene appr ...200818052880
quantifying the source-sink balance and carbohydrate content in three tomato cultivars.supplementary lighting is frequently applied in the winter season for crop production in greenhouses. the effect of supplementary lighting on plant growth depends on the balance between assimilate production in source leaves and the overall capacity of the plants to use assimilates. this study aims at quantifying the source-sink balance and carbohydrate content of three tomato cultivars differing in fruit size, and to investigate to what extent the source/sink ratio correlates with the potential ...201526097485
characterizing nutrient uptake kinetics for efficient crop production during solanum lycopersicum var. cerasiforme alef. growth in a closed indoor hydroponic system.a balanced nutrient supply is essential for the healthy growth of plants in hydroponic systems. however, the commonly used electrical conductivity (ec)-based nutrient control for plant cultivation can provide amounts of nutrients that are excessive or inadequate for proper plant growth. in this study, we investigated the kinetics of major and minor nutrient uptake in a nutrient solution during the growth of tomato (solanum lycopersicum var. cerasiforme alef.) in a closed hydroponic system. the c ...201728486501
tropical soils with high aluminum concentrations cause oxidative stress in two tomato genotypes.tropical and subtropical soils are usually acidic and have high concentrations of aluminum (al). aluminum toxicity in plants is caused by the high affinity of the al cation for cell walls, membranes, and metabolites. in this study, the response of the antioxidant-enzymatic system to al was examined in two tomato genotypes: solanum lycopersicum var. esculentum (calabash rouge) and solanum lycopersicum var. cerasiforme (cnph 0082) grown in tropical soils with varying levels of al. plant growth; ac ...201525647795
production of chlorothalonil hydrolytic dehalogenase from agro-industrial wastewater and its application in raw food cleaning.to reduce the fermentation cost for industrialization of chlorothalonil hydrolytic dehalogenase (chd), agro-industrial wastewaters including molasses, corn steep liquor (csl) and fermentation wastewater were used to substitute for expensive carbon and nitrogen sources and fresh water for lab preparation.201727718236
pollen tube cell walls of wild and domesticated tomatoes contain arabinosylated and fucosylated xyloglucan.in flowering plants, fertilization relies on the delivery of the sperm cells carried by the pollen tube to the ovule. during the tip growth of the pollen tube, proper assembly of the cell wall polymers is required to maintain the mechanical properties of the cell wall. xyloglucan (xyg) is a cell wall polymer known for maintaining the wall integrity and thus allowing cell expansion. in most angiosperms, the xyg of somatic cells is fucosylated, except in the asterid clade (including the solanaceae ...201525434027
physico-chemical changes in tomato with modified atmosphere storage and uv treatment.physico-chemical changes in ripe tomato (lycopersicon esculentum mill.) were analyzed on day 0 and 2 weeks after ultraviolet-c (uv-c) light treatment or modified atmosphere (ma) storage and combined uv-c + ma storage at 10 °c. modified atmosphere packaging (map) film was used to create ma conditions. the tomatoes were evaluated for surface colour, mass loss, firmness, respiration rate, total soluble solids and antioxidant capacity. the tomatoes treated with uv-c and ma storage underwent least ch ...201425190870
[novel application of ftir to the analysis of sweet pepper seeds and tomato seeds with space mutation].comparative study of the sweet pepper and tomato seeds lines with space mutation and corresponding conventional seeds was carried out with ftir, in an attempt to search for the influence of space environment upon mutation. the similarities among space seeds lines are: the absorbance at near 1,160-1,061 cm(-1) increased. this result shows that the stretching vibration of c-o on the structure of carbohydrates was enhanced by space mutation. the special mutations are: (1) the absorbance at 2,854 cm ...200616961230
genotype differences in the metabolism of proline and polyamines under moderate drought in tomato plants.water stress is one of the most important factors limiting the growth and productivity of crops. the implication of compatible osmolytes such as proline and polyamines in osmotic adjustment has been widely described in numerous plants species under stress conditions. in the present study, we investigated the response of five cherry tomato cultivars (solanum lycopersicum l.) subjected to moderate water stress in order to shed light on the involvement of proline and polyamine metabolism in the mec ...201424750452
genotypic variability for antioxidant and quality parameters among tomato cultivars, hybrids, cherry tomatoes and wild species.wide germplasm diversity and transferability of antioxidant parameters is the primary requirement for the development of high-antioxidant tomato cultivars. the present study was conducted to screen tomato genotypes including hybrids, varieties, cherry tomatoes, wild species, elite germplasm lines, interspecific hybrids and backcross populations for antioxidant activity and other quality parameters to select high-antioxidant lines with good total soluble solids (tss) for further usage in crop imp ...201424037905
slmyb12 regulates flavonol synthesis in three different cherry tomato varieties.cherry tomato (lycopersicon esculentum m.) is considered a healthy fruit worldwide due to its wide range of nutrients. flavonol, one of the major nutrients in cherry tomato, has antioxidant and cell-modulating properties. in this study, we showed a correlation between the expression of slmyb12 and flavonol content (r2 = 0.922). to characterize the function of slmyb12, slmyb12-overexpressing transgenic tomato plants were generated in three different cherry tomato varieties. significant increases ...201829371612
hormonal and nutritional features in contrasting rootstock-mediated tomato growth under low-phosphorus nutrition.grafting provides a tool aimed to increase low-p stress tolerance of crops, however, little is known about the mechanism (s) by which rootstocks can confer resistance to p deprivation. in this study, 4 contrasting groups of rootstocks from different genetic backgrounds (solanum lycopersicum var. cerasiforme and introgression and recombinant inbred lines derived from the wild relatives s. pennellii and s. pimpinellifolium) were grafted to a commercial f1 hybrid scion and cultivated under control ...201728443121
local-scale recovery of wastewater nitrogen for edible plant growth.an anaerobic/ion exchange (an-ix) system was developed for recovery and reuse of wastewater nitrogen at point-of-origin. an-ix combines upflow solids blanket anaerobic treatment with ammonium ion adsorption onto granular natural zeolite. an-ix operates passively and without energy input. a 57 l empty-bed prototype was operated for 355 days on wastewater primary effluent. total nitrogen removal exceeded 95% over the first 214 days of operation and ammonia reduction exceeded 99%; accumulation of o ...201627003068
up-regulating arginase contributes to amelioration of chilling stress and the antioxidant system in cherry tomato fruits.arginase, which plays an important role in regulating the metabolism of l-arginine (arg) in mammalian cells, has been reported to be involved in stress responses in higher plants. in view of the well-established roles of polyamines, nitric oxide and proline in plant tolerance to chilling stress, arginase may play an important role in fruit chilling tolerance by regulating the metabolism of arg. however, the current information available on this is very limited.201020628998
differential responses of five cherry tomato varieties to water stress: changes on phenolic metabolites and related enzymes.different tomato cultivars (solanum lycopersicum l.) with differences in tolerance to drought were subjected to moderate water stress to test the effects on flavonoids and caffeoyl derivatives and related enzymes. our results indicate that water stress resulted in decreased shikimate pathway (dahp synthase, shikimate dehydrogenase, phenylalanine ammonium lyase, cinnamate 4-hydroxylase, 4-coumarate coa ligase) and phenolic compounds (caffeoylquinic acid derivatives, quercetin and kaempferol) in t ...201121420135
the effect of environmental conditions on nutritional quality of cherry tomato fruits: evaluation of two experimental mediterranean greenhouses.the aim of this study was to examine how different environmental factors (temperature, solar radiation, and vapour-pressure deficit [vpd]) influenced nutritional quality and flavour of cherry tomato fruits (solanum lycopersicum l. cv. naomi) grown in two types of experimental mediterranean greenhouses: parral (low technology) and multispan (high technology).201120853276
repellent effects of various cherry tomato accessions on the two-spotted spider mite tetranychus urticae koch (acari: tetranychidae).several studies have been conducted on resistance sources to improve the genetic resistance of farm-grown tomatoes to arthropod pests, including phytophagous mites. in the present study, we evaluate the behavior of the two-spotted spider mite on different cherry tomato accessions to identify possible sources of resistance (repellent effect) to this pest. sixty-four accessions of cherry tomatoes, solanum lycopersicum var. cerasiforme (dunal), were tested. in addition, a commercial cultivar of che ...201627050983
resequencing at ≥40-fold depth of the parental genomes of a solanum lycopersicum × s. pimpinellifolium recombinant inbred line population and characterization of frame-shift indels that are highly likely to perturb protein function.a recombinant in-bred line population derived from a cross between solanum lycopersicum var. cerasiforme (e9) and s. pimpinellifolium (l5) has been used extensively to discover quantitative trait loci (qtl), including those that act via rootstock genotype, however, high-resolution single-nucleotide polymorphism genotyping data for this population are not yet publically available. next-generation resequencing of parental lines allows the vast majority of polymorphisms to be characterized and used ...201525809074
simultaneous ozone fumigation and fluoranthene sprayed as mists negatively affected cherry tomato (lycopersicon esculentum mill).ozone (o(3)) fumigated at 120 microg l(-1) for 12 hd(-1) was combined with 10 microm fluoranthene, and other treatments, including mannitol solution to investigate the interaction of the two pollutants on tomato plant (lycopersicon esculentum mill). using ten treatments including mannitol solution and a control, exposure experiment was conducted for 34 d inside six growth chambers used for monitoring the resulted ecophysiological changes. visible foliar injury, chlorophyll a fluorescence, leaf p ...201020434773
agronomic properties of wastewater sludge biochar and bioavailability of metals in production of cherry tomato (lycopersicon esculentum).this work presents agronomic values of a biochar produced from wastewater sludge through pyrolysis at a temperature of 550 degrees c. in order to investigate and quantify effects of wastewater sludge biochar on soil quality, growth, yield and bioavailability of metals in cherry tomatoes, pot experiments were carried out in a temperature controlled environment and under four different treatments consisting of control soil, soil with biochar; soil with biochar and fertiliser, and soil with fertili ...201020110103
negative effects of fluoranthene on the ecophysiology of tomato plants (lycopersicon esculentum mill) fluoranthene mists negatively affected tomato plants.cherry tomato plants (lycopersicon esculentum mill) were sprayed with fluoranthene and mixture of fluoranthene and mannitol solutions for 30d. the exposure was carried out in growth chambers in field conditions, and the air was filtered through charcoal filters to remove atmospheric contaminants. plants were sprayed with 10microm fluoranthene as mist until they reached the fruiting stage, and the eco-physiological parameters were measured to determine the effects of the treatments. we measured c ...201020006894
characterization of the most aroma-active compounds in cherry tomato by application of the aroma extract dilution analysis.aroma and aroma-active compounds of cherry tomato (lycopersicum esculentum) was analyzed by gas chromatography-mass spectrometry-olfactometry (gc-ms-o). according to sensory analysis, the aromatic extract obtained by liquid-liquid extraction was representative of tomato odour. a total of 49 aroma compounds were identified and quantified in fresh cherry tomato. aldehydes were qualitatively and quantitatively the most dominant volatiles in cherry tomato, followed by alcohols. aroma extract dilutio ...201425038709
molecular cloning of a pr-5 like protein gene from cherry tomato and analysis of the response of this gene to abiotic stresses.lepr-5, a putative pr5 like protein gene was amplified from a cherry tomato (lycopersicon esculentum), which encodes a precursor protein of 250 amino acid residues, and shares high degrees of homology with a number of other pr5 genes. expression of lepr-5 in different tomato organs was analyzed with semi-quantitative rt-pcr, showing that lepr-5 expressed at different levels in leaves, stems, roots, flowers and fruits. in addition, expression of lepr-5 under different abiotic stresses was carried ...201120383746
effects of climatic control on tomato yield and nutritional quality in mediterranean screenhouse.the quality of vegetables for fresh consumption is a complex issue. in this study the yield and quality of cherry tomato fruits were assessed under different environmental control conditions, namely in a screenhouse (s), in a screenhouse equipped with a fogging system (sf) and in a screenhouse with complements such as plastic sheeting to maintain the microclimate created by the fogging system (sfs), as well as under open field (of) cultivation. levels of vitamin c, carotenoids (lycopene, β-carot ...201423744732
phenotypic diversity and association mapping for fruit quality traits in cultivated tomato and related species.association mapping has been proposed as an efficient approach to assist in the identification of the molecular basis of agronomical traits in plants. for this purpose, we analyzed the phenotypic and genetic diversity of a large collection of tomato accessions including 44 heirloom and vintage cultivars (solanum lycopersicum), 127 s. lycopersicum var. cerasiforme (cherry tomato) and 17 solanum pimpinellifolium accessions. the accessions were genotyped using a snplex™ assay of 192 snps, among whi ...201323124430
effect of 1-methylcyclopropene post-harvest treatment on ripening process in cherry tomato fruit (lycopersicon esculentum var. cerasiforme).the responses of cherry tomato (lycopersicon esculentum var. cerasiforme) fruits to post-harvest treatment with 1-mcp were investigated. the maturity stage at which 1-mcp application is most effective in delaying the ripening process was determined, and then the effects of different concentrations (0, 0.035, 0.07 and 0.11 microl/l) of 1-mcp on ethylene production, fruit softening, chlorophyll, lycopene and carotenoids contents of mature green (mg) cherry tomato fruits were assessed. 1-mcp at 0.0 ...200515692175
nutritional value of cherry tomatoes (lycopersicon esculentum cv. naomi f1) harvested at different ripening stages.the average content of some classes of antioxidants is generally higher in cherry tomatoes than in normal-sized berries. the aim of this work was to assess the nutritional value of cherry tomato (cv. naomi f1) by investigating the compositional pattern of berries harvested at different ripening stages and evaluating, in particular, all of the main antioxidants (carotenoids, ascorbic acid, phenolic compounds, and alpha-tocopherol) and the antioxidant activity of the water-soluble and water-insolu ...200212381148
variation revealed by snp genotyping and morphology provides insight into the origin of the tomato.tomato, solanum lycopersicum, is divided into two widely distributed varieties: the cultivated s. lycopersicum var. lycopersicum, and the weedy s. lycopersicum var. cerasiforme. solanum pimpinellifolium is the most closely related wild species of tomato.the roles of s. pimpinellifolium and s. l. cerasiforme during the domestication of tomato are still under debate. some authors consider s. l. cerasiforme to be the ancestor, whereas others think that s. l. cerasiforme is an admixture of s. pimpin ...201223118951
genome-wide association mapping in tomato (solanum lycopersicum) is possible using genome admixture of solanum lycopersicum var. cerasiforme.genome-wide association mapping is an efficient way to identify quantitative trait loci controlling the variation of phenotypes, but the approach suffers severe limitations when one is studying inbred crops like cultivated tomato (solanum lycopersicum). such crops exhibit low rates of molecular polymorphism and high linkage disequilibrium, which reduces mapping resolution. the cherry type tomato (s. lycopersicum var. cerasiforme) genome has been described as an admixture between the cultivated t ...201222908034
a fruit-specific phospho enolpyruvate carboxylase is related to rapid growth of tomato fruit.malic and citric acids accumulate in cherry tomato (lycopersicon esculentum mill.) fruit during the period of rapid growth, from the end of cell division to the onset of ripening. the involvement of phospho enolpyruvate carboxylase (pepcase, ec 4.1.1.31) in organic acid accumulation and tomato fruit development was investigated. two pepcases, named lyces;ppc1 and lyces;ppc2 and mapped to chromosomes 12 and 7, respectively, were shown to be differentially expressed during tomato fruit development ...200211882940
a clarified position for solanum lycopersicum var. cerasiforme in the evolutionary history of tomatoes (solanaceae).the natural phenotypic variability present in the germplasm of cultivated plants can be linked to molecular polymorphisms using association genetics. however it is necessary to consider the genetic structure of the germplasm used to avoid false association. the knowledge of genetic structure of plant populations can help in inferring plant evolutionary history. in this context, we genotyped 360 wild, feral and cultivated accessions with 20 simple sequence repeat markers and investigated the exte ...200819099601
identification of fruit yield loci controlling the salt tolerance conferred by solanum rootstocks.the rootstock effect on the fruit yield of a grafted tomato variety was genetically analyzed under salinity using as rootstock two populations of f(9) lines developed from a salt sensitive genotype of solanum lycopersicum var. cerasiforme, as female parent, and two salt tolerant lines, as male parents, from s. pimpinellifolium, the p population (123 lines), and s. cheesmaniae, the c population (100 lines). there were rootstock lines from the two populations (up to 65% in the p population) that r ...200918846361
a new steroidal glycoside and a new phenyl glycoside from a ripe cherry tomato.a new steroidal glycoside and a new phenyl glycoside have been isolated from a ripe cherry tomato [lycopersicon esculentum var. cerasiforme (dunal) alef., solanaceae] along with two known steroidal alkaloid glycosides, esculeoisides a and b, and five aromatic compounds, zizibeoside i, benzyl alcohol beta-gentiobioside, rutin, methyl caffeate, and phenylalanine. their chemical structures were determined on the basis of spectroscopic data as well as chemical evidence.200818827401
comparative qtl analysis of salinity tolerance in terms of fruit yield using two solanum populations of f7 lines.salt tolerance has been analysed in two populations of f(7) lines developed from a salt sensitive genotype of solanum lycopersicum var. cerasiforme, as female parent, and two salt tolerant lines, as male parents, from s. pimpinellifolium, the p population (142 lines), and s. cheesmaniae, the c population (116 lines). salinity effects on 19 quantitative traits including fruit yield were investigated by correlation, principal component analysis, anova and qtl analysis. a total of 153 and 124 marke ...200717394031
fast data preprocessing for chromatographic fingerprints of tomato cell wall polysaccharides using chemometric methods.the variability in the chemistry of cell wall polysaccharides in pericarp tissue of red-ripe tomato fruit (solanum lycopersicon mill.) was characterized by chemical methods and enzymatic degradations coupled to high performance anion exchange chromatography (hpaec) and mass spectrometry analysis. large fruited line, levovil (lev) carrying introgressed chromosome fragments from a cherry tomato line cervil (cer) on chromosomes 4 (lc4), 9 (lc9), or on chromosomes 1, 2, 4 and 9 (lcx) and containing ...200717204275
steroidal alkaloid glycosides, esculeosides c and d, from the ripe fruit of cherry tomato.two new steroidal alkaloid glycosides, esculeosides c and d, have been isolated from the ripe fruit of cherry tomato [lycopersicon esculentum var. cerasiforme (dunal) alef.], along with three known steroidal alkaloid glycosides, esculeoside a, esculeoiside b, and lycoperoside g. their chemical structures were determined on the basis of spectroscopic data.200616462072
cell expansion and endoreduplication show a large genetic variability in pericarp and contribute strongly to tomato fruit growth.postanthesis growth of tomato (solanum lycopersicon) as of many types of fruit relies on cell division and cell expansion, so that some of the largest cells to be found in plants occur in fleshy fruit. endoreduplication is known to occur in such materials, which suggests its involvement in cell expansion, although no data have demonstrated this hypothesis as yet. we have analyzed pattern formation, cell size, and ploidy in tomato fruit pericarp. a first set of data was collected in one cherry to ...200516306145
domain construction of cherry-tomato lectin: relation to newly found 42-kda protein.in the early stage of ripening of cherry-tomato fruits (lycopersicon esculentum var. cherry), the lectin activity increased logarithmically and reached a plateau at day 10 after flowering. during purification of lectin from ripe and unripe fruits, a 42-kda protein was found abundantly in unripe fruits. the protein cross-reacted with anti-cherry-tomato-lectin serum, retained chitin-binding ability, but showed no lectin activity. comparative studies between the structure of the lectin and the 42-k ...200111272850
three new aromatic glycosides from the ripe fruit of cherry tomato.three new aromatic glycosides were isolated from the ripe fruit of cherry tomato [lycopersicon esculentum var. cerasiforme (dunal) alef. (solanaceae)] along with six known aromatic glycosides and one known steroidal alkaloid glycoside. their chemical structures were determined on the basis of spectroscopic data as well as chemical evidence.201020574729
investigation of local ethylene emission from intact cherry tomatoes by means of photothermal deflection and photoacoustic detection.the function of the coronet region of the cherry tomato (lycopersicon esculentum cherry) as the main emission channel for ethylene was investigated. ethylene was measured employing two laser-based detection systems, the photothermal deflection instrument and the photoacoustic detection setup. it is possible to detect minimum ethylene concentrations of 1 nl l-1 locally and rapidly with the first instrument and concentrations of 6 pl l-1 in a continuous flow system with the second setup. the conti ...199512228441
high alpha-tomatine content in ripe fruit of andean lycopersicon esculentum var. cerasiforme: developmental and genetic aspects.a variant of lycopersion esculentum var. cerasiforme is described that deviates from the typical form of the entire species, including cultivated tomatoes, in possessing high levels (500-5000 micrograms/g of dry weight) of the steroidal alkaloid alpha-tomatine in its ripe fruits. this biotype is restricted to a tiny enclave in the valley of río mayo, department san martín, peru. among 88 accessions of var. cerasiforme from its present distribution in the andes, a 90% association was found betwee ...19947809139
genetic analysis of physiological components of salt tolerance conferred by solanum rootstocks. what is the rootstock doing for the scion?grafting desirable crop varieties on stress-tolerant rootstocks provides an opportunity to increase crop salt tolerance. here, a commercial hybrid tomato variety was grafted on two populations of recombinant inbred lines developed from a salt-sensitive genotype of solanum lycopersicum var. cerasiforme, as female parent, and two salt-tolerant lines, as male parents, from s. pimpinellifolium, the p population, and s. cheesmaniae, the c population, to identify an easy screening method for identifyi ...201020180091
neuro-fuzzy modeling to predict physicochemical and microbiological parameters of partially dried cherry tomato during storage: effects on water activity, temperature and storage time.in the study, osmotically dehydrated cherry tomatoes were partially dried to water activity between 0.746 and 0.868, vacuum-packed and stored at 4-30 °c for 60 days. adaptive neuro-fuzzy inference system (anfis) was utilized to predict the physicochemical and microbiological parameters of these partially dried cherry tomatoes during storage. satisfactory accuracies were obtained when anfis was used to predict the lycopene and total phenolic contents, color and microbial contamination. the coeffi ...201628017983
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