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https://www.readbyqxmd.com/read/28547342/trichosporon-asteroides-isolated-from-cutaneous-lesions-of-a-suspected-case-of-paracoccidioidomycosis-ceti-in-a-bottlenose-dolphin-tursiops-truncatus
#1
Keiichi Ueda, Ichiro Nakamura, Eiko Nakagawa Itano, Kazunori Takemura, Yasutomo Nakazato, Ayako Sano
"Paracoccidioidomycosis ceti" is a rare zoonotic fungal infection affecting dolphins and is endemic worldwide. The causative agents are Paracoccidioides species; however, it is impossible to isolate the fungal species. We isolated Trichosporon asteroides from multifocal, irregularly raised skin lesions on a female bottlenose dolphin (Tursiops truncatus) captured off coast of Japan, which was suspected to have "paracoccidioidomycosis ceti." An abundance of round, yeast-like cells was detected in a potassium hydroxide direct-mount specimen of the skin samples; however, nested PCR targeting the partial sequence of 43-kDa glycoprotein-coding gene correspondent to Paracoccidioides sp...
May 25, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28537869/a-child-with-kwashiorkor-misdiagnosed-as-atopic-dermatitis
#2
Marcus Henrique de S B Xavier, Eduardo De Magalhães, Gilmar Ferraz Oliveira, Mariana Keltke Magalhães, Cláudio Prates de Almeida E Oliveira, Natália Bragança Oliveira
Although uncommon, kwashiorkor continues to occur in developed, but mainly in developing nations. It is a type of protein-calorie malnutrition that occurs in the setting of insufficient protein intake in the presence of sufficient caloric intake. Skin and hair changes should prompt a thorough dietary history and appropriate dietary intervention. We report a case of a 12-month old girl in Belo Horizonte, Minas Gerais, Brazil, who presented with diffuse edema, desquamation, and irritability misdiagnosed as atopic dermatitis...
May 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28536883/identification-of-genes-related-to-skin-development-in-potato
#3
Vijaya K R Vulavala, Edna Fogelman, Lior Rozental, Adi Faigenboim, Zachariah Tanami, Oded Shoseyov, Idit Ginzberg
Newly identified genes that are preferentially expressed in potato skin include genes that are associated with the secondary cell wall and stress-related activities and contribute to the skin's protective function. Microarrays were used to compare the skin and tuber-flesh transcriptomes of potato, to identify genes that contribute to the unique characteristics of the skin as a protective tissue. Functional gene analysis indicated that genes involved in developmental processes such as cell division, cell differentiation, morphogenesis and secondary cell wall formation (lignification and suberization), and stress-related activities, are more highly expressed in the skin than in the tuber flesh...
May 23, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28475390/small-cryotherapy-devices-for-the-treatment-of-skin-warts
#4
Viktor A Zouboulis, Christos C Zouboulis
STUDY PURPOSE: Effectiveness of cryotherapy on skin wart models. MATERIALS AND METHODS: Two small cryotherapy devices, Wartner and Wortie, were administered for 10″-60″ on tomatoes and potatoes used as skin wart models. Frozen surface and depth were evaluated by standardized photography and computer analysis. Tissue temperature at depths of 0.1-10 mm was assessed by an electronic thermometer during treatment. RESULTS: Cryotherapy induced a transient freezing of the tomato surface...
May 16, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28372251/chlorogenic-acid-anthocyanin-and-flavan-3-ol-biosynthesis-in-flesh-and-skin-of-andean-potato-tubers-solanum-tuberosum-subsp-andigena
#5
Matías Ariel Valiñas, María Luciana Lanteri, Arjen Ten Have, Adriana Balbina Andreu
Natural variation of Andean potato was used to study the biosynthesis of phenolic compounds. Levels of phenolic compounds and corresponding structural gene transcripts were examined in flesh and skin of tubers. Phenolic acids, mainly chlorogenic acid (CGA), represent the major compounds, followed by anthocyanins and flavan-3-ols. High-anthocyanin varieties have high levels of CGA. Both metabolite and transcript levels were higher in skin than in flesh and showed a good correspondence. Two hydroxycinnamoyl-CoA transferases (HCT/HQT) have been involved in CGA production, of which HCT reflects CGA levels...
August 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28315019/an-endophytic-fungus-gibberella-moniliformis-from-lawsonia-inermis-l-produces-lawsone-an-orange-red-pigment
#6
Hatnagar Sarang, Pijakala Rajani, Madhugiri Mallaiah Vasanthakumari, Patel Mohana Kumara, Ramamoorthy Siva, Gudasalamani Ravikanth, R Uma Shaanker
Lawsone (2-hydroxy-1, 4-napthoquinone), also known as hennotannic acid, is an orange red dye used as a popular skin and hair colorant. The dye is produced in the leaves of Lawsonia inermis L, often referred to as the "henna" tree. In this study, we report the production of lawsone by an endophytic fungus, Gibberella moniliformis isolated from the leaf tissues of Lawsonia inermis. The fungus produced the orange-red dye in potato dextrose agar and broth, independent of the host tissue. Presence of lawsone was confirmed spectrometrically using HPLC and ESI-MS/MS analysis...
March 17, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28215068/comprehensive-ms-and-solid-state-nmr-metabolomic-profiling-reveals-molecular-variations-in-native-periderms-from-four-solanum-tuberosum-potato-cultivars
#7
COMPARATIVE STUDY
Wenlin Huang, Olga Serra, Keyvan Dastmalchi, Liqing Jin, Lijia Yang, Ruth E Stark
The potato (Solanum tuberosum L.) ranks third in worldwide consumption among food crops. Whereas disposal of potato peels poses significant challenges for the food industry, secondary metabolites in these tissues are also bioactive and essential to crop development. The diverse primary and secondary metabolites reported in whole tubers and wound-healing tissues prompted a comprehensive profiling study of native periderms from four cultivars with distinctive skin morphologies and commercial food uses. Polar and nonpolar soluble metabolites were extracted concurrently, analyzed chromatographically, and characterized with mass spectrometry; the corresponding solid interfacial polymeric residue was examined by solid-state (13)C NMR...
March 15, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28164808/emerging-food-allergens-identification-of-polyphenol-oxidase-as-an-important-allergen-in-eggplant-solanum-melongena-l
#8
Bheemanapalli N Harish Babu, Anthony Wilfred, Yeldur P Venkatesh
Although many allergens have been detected in eggplant (Solanum melongena L.), their identity have not been elucidated. The aim of this study was to investigate whether polyphenol oxidase (PPO), an important eggplant enzyme, acts as an allergen. The proteins of eggplant peel extract were separated on phenyl-Sepharose (PS), and analyzed by skin prick test (SPT), ELISA and IgE-immunoblotting; the components were analyzed for PPO activity, presence of protein-bound copper, and recognition by rabbit polyclonal anti-sweet potato PPO antiserum...
February 2017: Immunobiology
https://www.readbyqxmd.com/read/27872930/the-inhibition-effect-of-starch-nanoparticles-on-tyrosinase-activity-and-its-mechanism
#9
Jie Yang, Ranran Chang, Shengju Ge, Mei Zhao, Caifeng Liang, Liu Xiong, Qingjie Sun
The objective of the current research was to investigate the effects of starch nanoparticles (SNPs) prepared from waxy maize, potato, normal corn, and tapioca starches on the activity of tyrosinase. As a main polyphenol oxidase, tyrosinase not only induces fruit and vegetable browning but also causes skin diseases by overproducing melanin. Herein, for the first time, we evaluated the inhibitory kinetics of SNPs on tyrosinase. It turned out that SNPs inhibited tyrosinase activity reversibly. The IC50 values of hollow nanoparticles, amylopectin nanoparticles, corn starch nanoparticles, and tapioca starch nanoparticles were 0...
December 7, 2016: Food & Function
https://www.readbyqxmd.com/read/27763555/ccd-based-skinning-injury-recognition-on-potato-tubers-solanum-tuberosum-l-a-comparison-between-visible-and-biospeckle-imaging
#10
Yingwang Gao, Jinfeng Geng, Xiuqin Rao, Yibin Ying
Skinning injury on potato tubers is a kind of superficial wound that is generally inflicted by mechanical forces during harvest and postharvest handling operations. Though skinning injury is pervasive and obstructive, its detection is very limited. This study attempted to identify injured skin using two CCD (Charge Coupled Device) sensor-based machine vision technologies, i.e., visible imaging and biospeckle imaging. The identification of skinning injury was realized via exploiting features extracted from varied ROIs (Region of Interests)...
October 18, 2016: Sensors
https://www.readbyqxmd.com/read/27520790/silencing-of-the-potato-stnac103-gene-enhances-the-accumulation-of-suberin-polyester-and-associated-wax-in-tuber-skin
#11
Roger Verdaguer, Marçal Soler, Olga Serra, Aïda Garrote, Sandra Fernández, Dolors Company-Arumí, Enriqueta Anticó, Marisa Molinas, Mercè Figueras
Suberin and wax deposited in the cork (phellem) layer of the periderm form the lipophilic barrier that protects mature plant organs. Periderm lipids have been widely studied for their protective function with regards to dehydration and for how they respond to environmental stresses and wounding. However, despite advances in the biosynthetic pathways of suberin and associated wax, little is known about the regulation of their deposition. Here, we report on a potato NAC transcription factor gene, StNAC103, induced in the tuber phellem (skin)...
October 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/27413123/bioavailability-of-potassium-from-potatoes-and-potassium-gluconate-a-randomized-dose-response-trial
#12
RANDOMIZED CONTROLLED TRIAL
Claire J Macdonald-Clarke, Berdine R Martin, Linda D McCabe, George P McCabe, Pamela J Lachcik, Meryl Wastney, Connie M Weaver
BACKGROUND: The bioavailability of potassium should be considered in setting requirements, but to our knowledge, the bioavailability from individual foods has not been determined. Potatoes provide 19-20% of potassium in the American diet. OBJECTIVE: We compared the bioavailability and dose response of potassium from nonfried white potatoes with skin [targeted at 20, 40, and 60 milliequivalents (mEq) K] and French fries (40 mEq K) with potassium gluconate at the same doses when added to a basal diet that contained ∼60 mEq K...
August 2016: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27294651/contact-eczema-of-hands-caused-by-contact-with-potato-protein
#13
Aleksander Obtułowicz, Magdalena Pirowska, Anna Wojas-Pelc
INTRODUCTION: Protein contact dermatitis (PCD) is an IgE-dependent allergic reaction which, despite enormous progress in knowledge, remains a 'non-diagnosed' nosologic unit in contemporary medicine. Skin lesion, with a chronic and recurring course, are analogous with the clinical picture in allergic contact dermatitis (ACD) and irritant contact dermatitis (ICD); skin patch tests, however, are usually negative. This makes the diagnostics difficult, prevents a correct diagnosis and treatment based on the avoidance of allergen...
June 2, 2016: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/27240356/phenolic-compounds-in-the-potato-and-its-byproducts-an-overview
#14
REVIEW
Hazal Akyol, Ylenia Riciputi, Esra Capanoglu, Maria Fiorenza Caboni, Vito Verardo
The potato (Solanum tuberosum L.) is a tuber that is largely used for food and is a source of different bioactive compounds such as starch, dietary fiber, amino acids, minerals, vitamins, and phenolic compounds. Phenolic compounds are synthetized by the potato plant as a protection response from bacteria, fungi, viruses, and insects. Several works showed that these potato compounds exhibited health-promoting effects in humans. However, the use of the potato in the food industry submits this vegetable to different processes that can alter the phenolic content...
May 27, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27069449/a-prototype-of-a-flexible-grid-electrode-to-treat-widespread-superficial-tumors-by-means-of-electrochemotherapy
#15
Luca G Campana, Fabrizio Dughiero, Michele Forzan, Carlo R Rossi, Elisabetta Sieni
BACKGROUND: In recent years, superficial chest wall recurrence from breast cancer can be effectively treated by means of electrochemotherapy, with the majority of patients achieving response to treatment. Nevertheless, tumor spread along superficial lymphatic vessels makes this peculiar type of tumor recurrence prone to involve large skin areas and difficult to treat. In these cases, electroporation with standard, small size needle electrodes can be time-consuming and produce an inhomogeneous coverage of the target area, ultimately resulting in patient under treatment...
March 1, 2016: Radiology and Oncology
https://www.readbyqxmd.com/read/27016929/molecular-and-biological-characterisation-of-two-novel-pomo-like-viruses-associated-with-potato-solanum-tuberosum-fields-in-colombia
#16
Jose Fernando Gil, Ian Adams, Neil Boonham, Steen Lykke Nielsen, Mogens Nicolaisen
Potato is the fourth most important crop worldwide that is used as a staple food, after rice, wheat and maize. The crop can be affected by a large number of pathogens, including fungi, oomycetes, bacteria and viruses. Diseases caused by viruses are among the most important factors contributing to reduced quality and yield of the crop. Potato mop-top virus (genus Pomovirus) induces necrotic flecks in the tuber flesh and skin of potato in temperate countries. Spongospora subterranea is the vector of PMTV. Both the virus and its vector cause disease in potato...
June 2016: Archives of Virology
https://www.readbyqxmd.com/read/27009902/organic-pollutant-penetration-through-fruit-polyester-skin-a-modified-three-compartment-diffusion-model
#17
Yungui Li, Qingqing Li, Baoliang Chen
The surface of plants is covered by a continuous but heterogeneous cuticular membrane (CM). Serving as the first protective barrier, the uptake and transport behavior of organic pollutants at this interface continue to engage the research efforts of environmental chemist. To date, the contributions of cuticular components as a defense against the organic pollutants penetration remain unresolved. In this study, the unsteady-state penetration characteristics of phenanthrene (PHE) through isolated fruit CM was investigated...
March 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/26884602/functional-diversification-of-the-potato-r2r3-myb-anthocyanin-activators-an1-myba1-and-myb113-and-their-interaction-with-basic-helix-loop-helix-cofactors
#18
Yuhui Liu, Kui Lin-Wang, Richard V Espley, Li Wang, Hongyu Yang, Bin Yu, Andrew Dare, Erika Varkonyi-Gasic, Jing Wang, Junlian Zhang, Di Wang, Andrew C Allan
In potato (Solanum tuberosum L.), R2R3 MYBs are involved in the regulation of anthocyanin biosynthesis. We examined sequences of these MYBs in cultivated potatoes, which are more complex than diploid potato due to ploidy and heterozygosity. We found amino acid variants in the C-terminus of the MYB StAN1, termed R0, R1, and R3, due to the presence of a repeated 10-amino acid motif. These variant MYBs showed some expression in both white and pigmented tubers. We found several new alleles or gene family members of R2R3 MYBs,StMYBA1 and StMYB113, which were also expressed in white potato tubers...
April 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/26858726/phenylpropanoids-accumulation-in-eggplant-fruit-characterization-of-biosynthetic-genes-and-regulation-by-a-myb-transcription-factor
#19
Teresa Docimo, Gianluca Francese, Alessandra Ruggiero, Giorgia Batelli, Monica De Palma, Laura Bassolino, Laura Toppino, Giuseppe L Rotino, Giuseppe Mennella, Marina Tucci
Phenylpropanoids are major secondary metabolites in eggplant (Solanum melongena) fruits. Chlorogenic acid (CGA) accounts for 70-90% of total phenolics in flesh tissues, while anthocyanins are mainly present in the fruit skin. As a contribution to the understanding of the peculiar accumulation of these health-promoting metabolites in eggplant, we report on metabolite abundance, regulation of CGA and anthocyanin biosynthesis, and characterization of candidate CGA biosynthetic genes in S. melongena. Higher contents of CGA, Delphinidin 3-rutinoside, and rutin were found in eggplant fruits compared to other tissues, associated to an elevated transcript abundance of structural genes such as PAL, HQT, DFR, and ANS, suggesting that active in situ biosynthesis contributes to anthocyanin and CGA accumulation in fruit tissues...
2015: Frontiers in Plant Science
https://www.readbyqxmd.com/read/26849236/genetic-mapping-with-an-inbred-line-derived-f2-population-in-potato
#20
Jeffrey B Endelman, Shelley H Jansky
This is the first report of the production and use of a diploid inbred line-based F2 population for genetic mapping in potato. Potato (Solanum tuberosum L.) is an important global food crop, for which tetrasomic inheritance and self-incompatibility have limited both genetic discovery and breeding gains. We report here on the creation of the first diploid inbred line-derived F2 population in potato, and demonstrate its utility for genetic mapping. To create the population, the doubled monoploid potato DM1-3 was crossed as a female to M6, an S7 inbred line derived from the wild relative S...
May 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
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