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https://www.readbyqxmd.com/read/29321557/haptic-shape-discrimination-and-interhemispheric-communication
#1
Catherine J Dowell, J Farley Norman, Jackie R Moment, Lindsey M Shain, Hideko F Norman, Flip Phillips, Astrid M L Kappers
In three experiments participants haptically discriminated object shape using unimanual (single hand explored two objects) and bimanual exploration (both hands were used, but each hand, left or right, explored a separate object). Such haptic exploration (one versus two hands) requires somatosensory processing in either only one or both cerebral hemispheres; previous studies related to the perception of shape/curvature found superior performance for unimanual exploration, indicating that shape comparison is more effective when only one hemisphere is utilized...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29314034/effect-of-drying-methods-microwave-vacuum-freeze-hot-air-and-sun-drying-on-physical-chemical-and-nutritional-attributes-of-five-pepper-capsicum-annuum-var-annuum-cultivars
#2
Vaibhav Kumar Maurya, Kodiveri Muthukaliannan Gothandam, Vijay Ranjan, Amita Shakya, Sunil Pareek
BACKGROUND: A randomized block design experiment was performed to investigate the influence of drying on the physical, chemical and nutritional quality attributes of five prominent cultivars of India under sun drying (SD) (mean temperature 35.5 o C, average daily radiation 5.26kWh/m-2 and mean relative humidity 73.66% RH), hot air drying (HD) at 65 °C, microwave-vacuum drying (MVD) (800W- 5KPa) and freeze drying (FD) (-50 °C, 5KPa). Water activity, pH, total phenolic content (TPC), ascorbic acid (AA), capsaicin, β-carotene, color, and Scoville heat unit were studied...
January 4, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29304291/genome-wide-identification-and-expression-analysis-of-calax-and-capin-gene-families-in-pepper-capsicum-annuum-l-under-various-abiotic-stresses-and-hormones-treatments
#3
Chenghao Zhang, Wenqi Dong, Zong-An Huang, MyeongCheoul Cho, Qingcang Yu, Chuanyu Wu, Chenliang Yu
Auxin plays key roles in regulating plant growth and development as well as in responses to environmental stresses. The intercellular transport of auxin is mediated by four gene families, with the ATP-binding cassette family B (ABCB), the Auxin resistant1/ like (AUX1AUX/LAX) family, the pin-formed(PIN)families, and the PIN-LIKES (PILS) family. Here, the latest assembled pepper genome was used to characterise and analyse the CaLAX and CaPIN families. Genome-wide investigations into these families, including chromosomal distributions, phytogenic relationships and intron/exon structures, were performed...
January 5, 2018: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/29304200/nitro-oxidative-metabolism-during-fruit-ripening
#4
Francisco J Corpas, Luciano Freschi, Marta Rodríguez-Ruiz, Paulo T Mioto, Salvador González-Gordo, José M Palma
Pepper (Capsicum annuum L.) and tomato (Solanum lycopersicum L.), which belong to the Solanaceae family, are among the most cultivated and consumed fleshy fruits worldwide and constitute excellent sources of many essential nutrients, such as vitamins A, C, and E, calcium, and carotenoids. While fruit ripening is a highly regulated and complex process, tomato and pepper have been classified as climacteric and non-climacteric fruits, respectively. These fruits differ greatly in shape, color composition, flavor, and several other features which undergo drastic changes during the ripening process...
January 3, 2018: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29287443/influence-of-water-stresses-on-capsaicinoid-production-in-hot-pepper-capsicum-chinense-jacq-cultivars-with-different-pungency-levels
#5
N Jeeatid, S Techawongstien, B Suriharn, S Chanthai, P W Bosland, S Techawongstien
Although water stress reduces fruit yield, it also increases capsaicinoid accumulation in hot pepper. The aim of this study was to investigate the effect of different water regimes on capsaicinoid production in Capsicum chinense Jacq. having different pungency levels. Four hot pepper (C. chinense) cultivars were planted with four water regimes after anthesis: daily irrigation (control; S1), every 2 days (S2), every 3 days (S3) and every 4 days (S4). The results found that Akanee Pirote with the S2 treatment gave the highest capsaicinoid yield, and the increase of capsaicinoid yield was attributed from increasing the absolute capsaicinoid content and reducing the dry fruit yield as compared to the control...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29280559/characterization-and-application-of-a-lanthanide-based-metal-organic-framework-in-the-development-and-validation-of-a-matrix-solid-phase-dispersion-procedure-for-pesticide-extraction-on-peppers-capsicum-annuum-l-with-gc-ms
#6
Alysson Santos Barreto, Paula de Cássia da Silva Andrade, Jéssica Meira Farias, Adalberto Menezes Filho, Gilberto Fernandes de Sá, Severino Alves Júnior
The metal-organic framework [(La0.9 Sm0.1 )2 (DPA)3 (H2 O)3 ]∞ was synthetized and characterized by X-ray diffractometry, differential thermogravimetric analysis and infrared spectroscopy. The material was tested for the development and validation of a matrix solid-phase dispersion procedure for extraction of atrazine, bifenthrin, bromuconazole, clofentezine, fenbuconazole, flumetralin, procymidone and pirimicarb, from peppers, with analysis using gas chromatography with mass spectrometry in the selected ion monitoring mode...
December 27, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/29276524/molecular-mapping-of-pmr1-a-novel-locus-conferring-resistance-to-powdery-mildew-in-pepper-capsicum-annuum
#7
Jinkwan Jo, Jelli Venkatesh, Koeun Han, Hea-Young Lee, Gyung Ja Choi, Hee Jae Lee, Doil Choi, Byoung-Cheorl Kang
Powdery mildew, caused by Leveillula taurica, is a major fungal disease affecting greenhouse-grown pepper (Capsicum annuum). Powdery mildew resistance has a complex mode of inheritance. In the present study, we investigated a novel powdery mildew resistance locus, PMR1, using two mapping populations: 102 'VK515' F2:3 families (derived from a cross between resistant parental line 'VK515R' and susceptible parental line 'VK515S') and 80 'PM Singang' F2 plants (derived from the F1 'PM Singang' commercial hybrid)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29259880/gene-expression-of-an-arabinogalactan-lysine-rich-protein-caagp18-during-vegetative-and-reproductive-development-of-bell-pepper-capsicum-annuum-l
#8
Mercedes Verdugo-Perales, Rosabel Velez-de la Rocha, Josefina León-Félix, Tomas Osuna-Enciso, José B Heredia, Juan A Osuna-Castro, Maria A Islas-Osuna, J Adriana Sañudo-Barajas
Lysine-rich (Lys-rich) proteins encoded by AGP17, AGP18, and AGP19 genes are cell wall-associated glycopeptides related to sexual reproduction in flowering plants. This subclass belongs to classical arabinogalactan proteins (AGPs) widely studied in model plants like Arabidopsis. In this study, we identified the CaAGP18 cDNA from bell pepper (Capsicum annuum L.), as well as its expression pattern during vegetative and reproductive development. The deduced amino acid sequence revealed a Lys-rich AGP18 protein of 238 amino acids residues in length with an estimated molecular mass of 22...
January 2018: 3 Biotech
https://www.readbyqxmd.com/read/29244768/identification-and-expression-profiling-of-the-auxin-response-factors-in-capsicum-annuum-l-under-abiotic-stress-and-hormone-treatments
#9
Chenliang Yu, Yihua Zhan, Xuping Feng, Zong-An Huang, Chendong Sun
Auxin response factors (ARFs) play important roles in regulating plant growth and development and response to environmental stress. An exhaustive analysis of the CaARF family was performed using the latest publicly available genome for pepper (Capsicum annuum L.). In total, 22 non-redundant CaARF gene family members in six classes were analyzed, including chromosome locations, gene structures, conserved motifs of proteins, phylogenetic relationships and Subcellular localization. Phylogenetic analysis of the ARFs from pepper (Capsicum annuum L...
December 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29238032/influence-of-fruit-ripening-on-color-organic-acid-contents-capsaicinoids-aroma-compounds-and-antioxidant-capacity-of-shimatogarashi-capsicum-frutescens
#10
Manikharda Manikharda, Makoto Takahashi, Mika Arakaki, Kaoru Yonamine, Fumio Hashimoto, Kensaku Takara, Koji Wada
Shimatogarashi (Capsicum frutescens) is a typical chili pepper domesticated in southern Japan. Important traits of Shimatogarashi peppers, such as color; proportion of organic acids, capsaicinoids, and aromatic compounds; and antioxidant activity in three stages of maturity (green (immature), orange (turning), and red (mature) stages) were characterized. The results indicated that the concentration of organic acids, including ascorbic, citric, and malic acid, increased during ripening. In addition, the amount of capsaicinoids, which are responsible for the pungent taste of chili peppers, increased as the fruit matured to the orange and red stages...
December 14, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/29231871/in-vivo-non-destructive-monitoring-of-capsicum-annuum-seed-growth-with-diverse-nacl-concentrations-using-optical-detection-technique
#11
Naresh Kumar Ravichandran, Ruchire Eranga Wijesinghe, Seung-Yeol Lee, Muhammad Faizan Shirazi, Hee-Young Jung, Mansik Jeon, Jeehyun Kim
We demonstrate that optical coherence tomography (OCT) is a plausible optical tool for in vivo detection of plant seeds and its morphological changes during growth. To investigate the direct impact of salt stress on seed germination, the experiment was conducted using Capsicum annuum seeds that were treated with different molar concentrations of NaCl. To determine the optimal concentration for the seed growth, the seeds were monitored for nine consecutive days. In vivo two-dimensional OCT images of the treated seeds were obtained and compared with the images of seeds that were grown using sterile distilled water...
December 12, 2017: Sensors
https://www.readbyqxmd.com/read/29223927/biochemical-characterization-of-the-ybpci-miniprotein-the-first-carboxypeptidase-inhibitor-isolated-from-yellow-bell-pepper-capsicum-annuum-l-a-novel-contribution-to-the-knowledge-of-miniproteins-stability
#12
Juliana Cotabarren, Mariana Edith Tellechea, Francesc Xavier Avilés, Julia Lorenzo, Walter David Obregón
The cystine-knot metallocarboxypeptidase inhibitors (MCPIs) are peptides that contribute to control proteolytic activity, involved in storage, growth and maintenance of plants. Lately studies reported several MCPIs with potential use in biomedical applications; as anti-cancer, anti-thrombotic, anti-malaric and anti-angiogenic agents. We report the isolation, purification, chemical stability and biochemical characterization of a novel carboxypeptidase A inhibitor (YBPCI) isolated from Capsicum annuum L. var...
December 6, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/29212371/antioxidant-activities-and-bioactive-compounds-of-five-jalopeno-peppers-capsicum-annuum-cultivars
#13
Roozbeh Farhoudi, Mohammad Amin Mehrnia, Dong-Jin Lee
The present study was designed to evaluate the contents of different antioxidants compounds and their antioxidant activities in Jalopeno peppers (Capsicum annuum) cultivars (El Dorido, Grande, Tula, Sayula and El Rey) extracts. Free radical scavenging activity of Grande was recorded as high as 87% followed by El Dorido (83%). Results of reducing power (Fe3+ to Fe2+) showed that Grande (0.85%) and El Dorido (0.81%) fruit extract absorbance value were close to synthetic antioxidant BHT (0. 97%) obtained at100 μg/mL...
December 6, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29202189/effects-of-pesticides-on-the-survival-of-rove-beetle-coleoptera-staphylinidae-and-insidious-flower-bug-hemiptera-anthocoridae-adults
#14
Raymond A Cloyd, Nathan J Herrick
This study determined the direct, indirect, or both effects of pesticides on the rove beetle, Dalotia coriaria (Kraatz) (Coleoptera: Staphylinidae), and the insidious flower bug, Orius insidiosus (Say) (Hemiptera: Anthocoridae). The pesticides evaluated were Capsicum oleoresin extract, garlic oil, and soybean oil; cyantraniliprole; flupyradifurone; GS-omega/kappa-Hxtx-Hv1; Isaria fumosorosea; tolfenpyrad; pyrethrins; and spinosad. One experiment was conducted in a greenhouse with rove beetle adults exposed to growing medium applications of cyantraniliprole...
November 30, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29195936/1h-nmr-based-metabolomic-fingerprinting-to-determine-metabolite-levels-in-serrano-peppers-capsicum-annum-l-grown-in-two-different-regions
#15
Elvia Becerra-Martínez, Elideth Florentino-Ramos, Nury Pérez-Hernández, L Gerardo Zepeda-Vallejo, Nemesio Villa-Ruano, Manuel Velázquez-Ponce, Felipe García-Mendoza, Angel E Bañuelos-Hernández
Chili pepper (Capsicum annuum) is the most important and emblematic condiment in Mexican food. Serrano pepper is a variety of C. annuum that is traditionally cultivated in Mexico and commercialized in local markets. The aim of this study was to describe the 1H NMR metabolomic profiling of the aqueous phase of serrano peppers harvested from two distinct regions, in the states of Veracruz and Oaxaca, Mexico. According to the current results, aspartate citrate, lactate, leucine and sucrose were found at higher amount in the serrano peppers from Veracruz...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29192149/transcription-factor-repertoire-in-ashwagandha-withania-somnifera-through-analytics-of-transcriptomic-resources-insights-into-regulation-of-development-and-withanolide-metabolism
#16
Sandhya Tripathi, Rajender Singh Sangwan, Lokesh Kumar Narnoliya, Yashdeep Srivastava, Bhawana Mishra, Neelam Singh Sangwan
Transcription factors (TFs) are important regulators of cellular and metabolic functions including secondary metabolism. Deep and intensive RNA-seq analysis of Withania somnifera using transcriptomic databases provided 3532 annotated transcripts of transcription factors in leaf and root tissues, belonging to 90 different families with major abundance for WD-repeat (174 and 165 transcripts) and WRKY (93 and 80 transcripts) in root and leaf tissues respectively, followed by that of MYB, BHLH and AP2-ERF. Their detailed comparative analysis with Arabidopsis thaliana, Capsicum annum, Nicotiana tabacum and Solanum lycopersicum counterparts together gave interesting patterns...
November 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29191767/capsaicin-the-primary-constituent-of-pepper-sprays-and-its-pharmacological-effects-on-mammalian-ocular-tissues
#17
REVIEW
Harshita Krishnatreyya, Hemanga Hazarika, Achintya Saha, Pronobesh Chattopadhyay
Capsaicin is the principal constituent of Oleoresin capsicum, or Pepper spray, as it is commonly known. Pepper sprays are frequently used in riot control situations and have been used for many years to deal with uncontrolled civil demonstrations and disturbances by defence organizations all over the world. Although capsaicin is noted for its irritant and inflammatory properties but the ocular profile of capsaicin has not been specifically studied and interpreted. The present review analyses the mammalian opthalmological profile of capsaicin and its pharmacological and toxicological manifestations including capsaicin induced corneal changes, neurogenic inflammation, neuroprotective influences on Retinal ganglion cells (RGCs), depletion of neuropeptide content in sensory nerve terminals, etc...
November 27, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29188798/capsaicin-enhances-the-antitumor-activity-of-sorafenib-in-hepatocellular-carcinoma-cells-and-mouse-xenograft-tumors-through-increased-erk-signaling
#18
Su-Shan Zhang, Yu-Hao Ni, Chen-Ru Zhao, Zhen Qiao, Hong-Xia Yu, Lu-Yao Wang, Jin-Yan Sun, Chen Du, Jia-Hao Zhang, Li-Ying Dong, KeWei Wang, Jian-Jun Gao
Sorafenib, a small inhibitor of tyrosine protein kinases, is currently the standard chemotherapy drug for the treatment of advanced hepatocellular carcinoma (HCC). Although sorafenib improves the survival of HCC patients, its efficacy is not optimal and requires further improvement. Capsaicin, the major active component of chili peppers from the genus Capsicum, is not only the agonist of TRPV1 channel, but also displays antitumor activity and enhances the sensitivity of cancer cells to cytotoxic drugs. In this study, we investigated the antitumor effects of combined sorafenib and capsaicin on HCC cells in vitro and xenograft tumors...
November 30, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29175072/capsaicin-prevents-mitochondrial-damage-protects-cardiomyocytes-subjected-to-anoxia-reoxygenation-injury-mediated-by-14-3-3%C3%AE-bcl-2
#19
Jiyi Huang, Zhantu Liu, Ping Xu, Zeyu Zhang, Dong Yin, Jichun Liu, Huan He, Ming He
Capsaicin(Cap) is an active component of chili peppers that is extracted from capsicum plants. Recent studies have reported that Cap can ameliorate myocardial ischemia/reperfusion(I/R) injury. Mitochondria play an important role in pathways of apoptosis induced by myocardial I/R injury. However, the underlying mechanisms of Cap that improve mitochondrial function during I/R injury is not yet understood. The aim of this study was to evaluate whether Cap regained normal mitochondrial function in myocardial I/R injury, and to further explore the underlying mechanisms of action involved...
November 21, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29163615/assessing-the-pathogenic-ability-of-ralstonia-pseudosolanacearum-ralstonia-solanacearum-phylotype-i-from-ornamental-rosa-spp-plants
#20
Napoleon N A Tjou-Tam-Sin, Jeroen L J van de Bilt, Marcel Westenberg, Peggy P M A Gorkink-Smits, N Marco Landman, Maria Bergsma-Vlami
Ralstonia pseudosolanacearum (Ralstonia solanacearum phylotype I) isolates found in stunted, yellowing, and wilted ornamental rose (Rosa spp.) were assessed for their pathogenic ability in two rose cultivars (cv. "Armando" and cv. "Red Naomi") and in four solanaceous crops: tomato (Solanum lycopersicum cv. "Money Maker"), tobacco (Nicotiana tabacum cv. "White Burley"), eggplant (Solanum melongena cv. "Black Beauty") and sweet pepper (Capsicum annum cv. "Yolo Wonder"). Significant differences were observed in susceptibility between the two rose cultivars as well as between the two modes of inoculation performed...
2017: Frontiers in Plant Science
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