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https://www.readbyqxmd.com/read/27706040/angiotensin-i-converting-enzyme-ace-inhibitory-and-anti-hypertensive-effect-of-protein-hydrolysate-from-actinopyga-lecanora-sea-cucumber-in-rats
#1
Mahdokht Sadegh Vishkaei, Afshin Ebrahimpour, Azizah Abdul-Hamid, Amin Ismail, Nazamid Saari
Food protein hydrolysates are known to exhibit angiotensin converting enzyme (ACE) inhibitory properties and can be used as a novel functional food for prevention of hypertension. This study evaluated the ACE inhibitory potentials of Actinopyga lecanora proteolysate (ALP) in vivo. The pre-fed rats with ALP at various doses (200, 400, 800 mg/kg body weight) exhibited a significant (p ≤ 0.05) suppression effect after inducing hypertension. To determine the optimum effective dose that will produce maximal reduction in blood pressure, ALP at three doses was fed to the rats after inducing hypertension...
September 30, 2016: Marine Drugs
https://www.readbyqxmd.com/read/27127212/understanding-lichenicolous-heterobasidiomycetes-new-taxa-and-reproductive-innovations-in-tremella-s-l
#2
Juan Carlos Zamora, Ana María Millanes, Mats Wedin, Víctor J Rico, Sergio Pérez-Ortega
Four new lichenicolous Tremella species are described and characterized morphologically and molecularly. Tremella celata grows on Ramalina fraxinea, inducing the formation of inconspicuous galls, and having hyphae with incomplete clamps. Tremella endosporogena develops intrahymenially in the apothecia of Lecanora carpinea, having single-celled basidia and clampless hyphae. Tremella diederichiana is the name proposed for a species micromorphologically close to T. christiansenii but inducing the formation of small, pale galls on the thallus and apothecia of Lecidea aff...
March 2016: Mycologia
https://www.readbyqxmd.com/read/26690117/angiotensin-i-converting-enzyme-ace-inhibitory-and-anti-oxidant-activities-of-sea-cucumber-actinopyga-lecanora-hydrolysates
#3
Raheleh Ghanbari, Mohammad Zarei, Afshin Ebrahimpour, Azizah Abdul-Hamid, Amin Ismail, Nazamid Saari
In recent years, food protein-derived hydrolysates have received considerable attention because of their numerous health benefits. Amongst the hydrolysates, those with anti-hypertensive and anti-oxidative activities are receiving special attention as both activities can play significant roles in preventing cardiovascular diseases. The present study investigated the angiotensin-I converting enzyme (ACE) inhibitory and anti-oxidative activities of Actinopyga lecanora (A. lecanora) hydrolysates, which had been prepared by alcalase, papain, bromelain, flavourzyme, pepsin, and trypsin under their optimum conditions...
December 4, 2015: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/26620863/resonance-raman-imaging-as-a-tool-to-assess-the-atmospheric-pollution-level-carotenoids-in-lecanoraceae-lichens-as-bioindicators
#4
I Ibarrondo, N Prieto-Taboada, I Martínez-Arkarazo, J M Madariaga
Raman spectroscopy differentiation of carotenoids has traditionally been based on the ν 1 position (C = C stretching vibrations in the polyene chain) in the 1500-1600 cm(-1) range, using a 785 nm excitation laser. However, when the number of conjugated double bonds is similar, as in the cases of zeaxanthin and β-carotene, this distinction is still ambiguous due to the closeness of the Raman bands. This work shows the Raman results, obtained in resonance conditions using a 514 mm laser, on Lecanora campestris and Lecanora atra species, which can be used to differentiate and consequently characterize carotenoids...
April 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/26466884/phylogenetic-placement-of-the-lichenicolous-anamorphic-genus-lichenodiplis-and-its-connection-to-muellerella-like-teleomorphs
#5
Lucia Muggia, Theodora Kopun, Damien Ertz
Lichenicolous fungi are a specialized group of taxa which inhabit lichens and develop diverse degrees of specificity and parasitic behaviour towards their hosts. They are recognized only by their phenotypic symptoms and sexual or asexual spore-producing structures on the lichen thalli. Only recently, molecular data and culture dependent approaches have helped in uncovering the species diversity and in verifying the phylogenetic position and anamorph-teleomorph relationships of some taxa. Here, we studied the phylogenetic placement of representative taxa of two lichenicolous genera, the coelomycete Lichenodiplis and the ascomycete Muellerella...
November 2015: Fungal Biology
https://www.readbyqxmd.com/read/26155778/different-heavy-metal-accumulation-strategies-of-epilithic-lichens-colonising-artificial-post-smelting-wastes
#6
Kaja Rola, Piotr Osyczka, Alina Kafel
Lichens appear to be essential and effective colonisers of bare substrates including the extremely contaminated wastes of slag dumps. This study examines the metal accumulation capacity of epilithic lichens growing directly on the surface of artificial slag sinters. Four species representing different growth forms, i.e., crustose Candelariella aurella, Lecanora muralis, and Lecidea fuscoatra and fruticose Stereocaulon nanodes, were selected to evaluate the relationships between zinc, lead, cadmium, and nickel contents in their thalli and host substrates...
February 2016: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/25767824/ultrastructural-analysis-of-leishmania-infantum-chagasi-promastigotes-forms-treated-in-vitro-with-usnic-acid
#7
João S B da Luz, Erwelly B de Oliveira, Monica C B Martins, Nicácio H da Silva, Luiz C Alves, Fábio A B dos Santos, Luiz L S da Silva, Eliete C Silva, Paloma L de Medeiros
Leishmaniasis is considered by the World Health Organization as one of the infectious parasitic diseases endemic of great relevance and a global public health problem. Pentavalent antimonials used for treatment of this disease are limited and new phytochemicals emerge as an alternative to existing treatments, due to the low toxicity and cost reduction. Usnic acid is uniquely found in lichens and is especially abundant in genera such as Alectoria, Cladonia, Evernia, Lecanora, Ramalina, and Usnea. Usnic acid has been shown to exhibit antiviral, antiprotozoal, antiproliferative, anti-inflammatory, and analgesic activity...
2015: TheScientificWorldJournal
https://www.readbyqxmd.com/read/25632480/total-synthesis-of-hybocarpone-a-cytotoxic-naphthazarin-derivative-from-the-lichen-lecanora-hybocarpa-and-related-compounds
#8
Sergey V Dragana, Michael A Pushilin, Valery P Glazunov, Vladimir A Denisenko, Victor Ph Anufriev
The concise synthesis of the lichen-derived antitumor agent hybocarpone (1) and its analogs is described. A new synthetic approach is based on the direct oxidative dimerization of the available naphthazarin precursors in the formation of the binaphtho[2,3-b; 2,3-d]furantetraone structure. It was shown that the first step to tetrahydrofuran features is the bridging hindered S*,S* and R*,S* carbon-carbon bonds of the molecules, setting the relative configurations of the 5aS*,6aS*,12aS*,12bS* and 5aS*,6aR*,12aR*,12bS* diastereomers...
December 2014: Natural Product Communications
https://www.readbyqxmd.com/read/24860283/assessment-of-biological-colonization-of-historic-buildings-in-the-former-auschwitz-ii-birkenau-concentration-camp
#9
Katarzyna Rajkowska, Anna Otlewska, Anna Koziróg, Małgorzata Piotrowska, Paulina Nowicka-Krawczyk, Mariusz Hachułka, Grzegorz J Wolski, Alina Kunicka-Styczyńska, Beata Gutarowska, Agnieszka Zydzik-Białek
The objective of this study was to assess biological colonization of wooden and brick buildings in the former Auschwitz II-Birkenau concentration camp, and to identify the organisms colonizing the examined buildings. Microbiological analysis did not reveal increased microbial activity, and the total microbial count of the barrack surfaces did not exceed 10(3) CFU/100 cm(2). However, certain symptoms of biodegradation of the buildings were observed. The predominant microflora consisted of bacteria of the genera Bacillus, Sporosarcina, Pseudomonas, Micrococcus, Streptomyces, and Staphylococcus, as well as fungi of the genera Acremonium, Cladosporium, Alternaria, Humicola, Penicillium, and Chaetomium...
2014: Annals of Microbiology
https://www.readbyqxmd.com/read/24234022/sequestration-of-lichen-compounds-by-three-species-of-terrestrial-snails
#10
S Hesbacher, B Baur, A Baur, P Proksch
Three species of lichen-grazing snails,Balea perversa, Chondria clienta, andHelicigona lapicida, all from the Swedish island of Öland, were found to sequester lichen compounds when feeding on the crustous lichen speciesAspicila calcarea, Caloplaca flavovirescens, Lecanora muralis, Physcia adscendens, Tephromela atra, andXanthoria parietina. The lichen compounds detected in the soft bodies of the snail species analyzed included the anthraquinone parietin, the depside atranorin, as well as a presumable degradation product of the latter...
February 1995: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/24225803/substrate-influence-on-epiphytic-lichens
#11
J E Sloof, B T Wolterbeek
The origin of the presence of soil elements in the epiphytic lichen Lecanora conizaeoides was investigated in an area of heavily polluted soil (The Broekpolder The Netherlands). Analysis results of lichens, bark and tree rings of the supporting trees indicated that for As, Co, Cr, Cu, Fe, Hg, Sc and V the levels in lichens may be considered to originate from wet and dry deposition. The Cd, Mn and Zn levels in lichens might have originated from both wet and dry deposition and the substrate bark. For these three elements, in particular, accumulation characteristics in lichens should be further investigated...
May 1993: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/24225664/interspecies-comparison-of-lichens-as-biomonitors-of-trace-element-air-pollution
#12
J E Sloof, B T Wolterbeek
The linearity of the interspecies relation between the elemental contents in Parmelia sulcata and Lecanora conizaeoides, sampled in a polluted area, was examined by the function y=az+b and yz (-1)=a+bz (-1), with y and z being the elemental content in Parmelia and Lecanora, respectively. For As, Co, V and Zn significant positive a and b values were found, allowing interspecies calibration. For Br, Cd, Cr, Fe, La, Sb, Se and W the a values were zero and the b values were positive, indicating saturation of Parmelia and thus ruling out interspecies calibration...
April 1993: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/24015068/new-record-of-lecanora-muralis-lichenized-fungus-in-south-korea
#13
Xin Li Wei, Keon Seon Han, You Mi Lee, Young Jin Koh, Jae-Seoun Hur
Lecanora muralis was found on the rock along coastal line during the field trip in Jeju island in 2006. Thallus crustose, placodioid, closely adnate, forming orbicular patches; upper surface grayish green, glossy; central lobes areolate, marginal parts plane, edges thin pruinose; lower surface ecorticate; apothecia sessile, lecanorine type, exciple dense and intact when young, and disc plane, but when mature, exciple laciniate, disc protrudent, yellowish brown to orange, 0.5~1.5 mm in diameter; ascospores ellipsoid, simple, colorless, 12...
June 2007: Mycobiology
https://www.readbyqxmd.com/read/23983532/notes-on-some-new-records-of-macro-and-micro-lichens-from-korea
#14
Yogesh Joshi, Xin Yu Wang, You Mi Lee, Bong-Kyu Byun, Young Jin Koh, Jae-Seoun Hur
The paper describes nine new records of macro- and micro-lichens from Korea. A brief taxonomic description and comments are presented for all the studied taxa (Catapyrenium squamellum, Chrysothrix candelaris, Endocarpon pallidulum, Endocarpon petrolepideum, Lecanora oreinoides, Leprocaulon albicans, Parmotrema saccatilobum, Verrucaria glaucina and Xanthoria parietina). The lichen genera Catapyrenium, Chrysothrix and Verrucaria are reported for the first time in this country.
September 2009: Mycobiology
https://www.readbyqxmd.com/read/23586061/the-improvement-of-the-endogenous-antioxidant-property-of-stone-fish-actinopyga-lecanora-tissue-using-enzymatic-proteolysis
#15
Sara Bordbar, Afshin Ebrahimpour, Azizah Abdul Hamid, Mohd Yazid Abdul Manap, Farooq Anwar, Nazamid Saari
The stone fish (Actinopyga lecanora) ethanolic and methanolic tissue extracts were investigated for total phenolic contents (TPCs) as well as antioxidant activity using 2,2-diphenyl-1-picrylhydrazyl (DPPH(•)) radical scavenging activity and ferric reducing antioxidant power (FRAP) assays. Both extracts showed low amount of phenolics (20.33 to 17.03 mg of gallic acid equivalents/100 g dried sample) and moderate antioxidant activity (39% to 34% DPPH(•) radical scavenging activity and 23.95 to 22.30 mmol/100 mL FeSO4 FRAP value)...
2013: BioMed Research International
https://www.readbyqxmd.com/read/23222684/actinopyga-lecanora-hydrolysates-as-natural-antibacterial-agents
#16
Raheleh Ghanbari, Afshin Ebrahimpour, Azizah Abdul-Hamid, Amin Ismail, Nazamid Saari
Actinopyga lecanora, a type of sea cucumber commonly known as stone fish with relatively high protein content, was explored as raw material for bioactive peptides production. Six proteolytic enzymes, namely alcalase, papain, pepsin, trypsin, bromelain and flavourzyme were used to hydrolyze A. lecanora at different times and their respective degrees of hydrolysis (DH) were calculated. Subsequently, antibacterial activity of the A. lecanora hydrolysates, against some common pathogenic Gram positive bacteria (Bacillus subtilis and Staphylococcus aureus) and Gram negative bacteria (Escherichia coli, Pseudomonas aeruginosa, and Pseudomonas sp...
2012: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/22942459/epiphytic-lichen-mycota-of-the-virgin-forest-reserve-rajhenavski-rog-slovenia
#17
Peter O Bilovitz, Franc Batič, Helmut Mayrhofer
A list of 128 taxa (127 species) of lichens, 6 species of lichenicolous fungi and 2 non-lichenized fungi traditionally included in lichenological literature from the virgin forest Rajhenavski Rog and its surroundings in the southeastern part of Slovenia is presented. The lichen Gyalecta derivata, the lichenicolous fungus Homostegia piggotii, and the non-lichenized fungus Mycomicrothelia pachnea are new to Slovenia. The lichenized fungi Chaenotheca trichialis, C. xyloxena, Lecanactis abietina, Lecanora thysanophora, Pertusaria ophthalmiza, the lichenicolous fungi Monodictys epilepraria, Tremella hypogymniae, Taeniolella friesii, and the non-lichenized fungus Chaenothecopsis pusilla are new to the Dinaric phytogeographical region of Slovenia...
December 2011: Herzogia
https://www.readbyqxmd.com/read/22319012/contribution-to-the-lichen-biota-of-slovenia-xii-some-lichens-from-logarska-dolina
#18
Peter Othmar Bilovitz, Ulf Arup, Helmut Mayrhofer
A list of 94 species is presented including Bacidia subacerina and Lopadium disciforme as new for Slovenia and Bilimbia accedens, Lecanora leptyrodes, Megalaria grossa, Mycobilimbia epixanthoides, Rinodina efflorescens, and Sclerophora peronella as new for the alpine phytogeographical region of Slovenia.
November 2010: Hladnikia
https://www.readbyqxmd.com/read/22318913/lichens-from-the-una-national-park-bosnia-and-herzegovina
#19
Peter O Bilovitz, Roman Türk, Helmut Mayrhofer
A list of 57 taxa of lichens (56 species) from the Una National Park in the north-western part of Bosnia and Herzegovina is presented. Bacidia subincompta, Buellia griseovirens, Candelariella reflexa, Cetrelia monachorum, Fulgensia subbacteata, Lecanora subcarpinea, L. subrugosa, and Trapeliopsis viridescens are new for Bosnia and Herzegovina.
August 31, 2009: Fritschiana: Veröffentlichungen Aus Dem Herbarium des Instituts Für Botanik der Karl-Franzens-Universität Graz (GZU)
https://www.readbyqxmd.com/read/22318890/epiphytic-lichens-and-lichenicolous-fungi-from-the-northern-part-of-montenegro
#20
Peter O Bilovitz, Danijela Stešević, Helmut Mayrhofer
A list of 120 taxa of lichens (117 species) and three species of lichenicolous fungi from the northern part of Montenegro is presented. The lichens Biatora chrysantha, Caloplaca monacensis, Candelariella efflorescens, Loxospora elatina, Micarea adnata, Ochrolechia arborea, O. microstictoides, Phaeophyscia nigricans, Physconia enteroxantha, Ph. grisea, Rinodina capensis, R. polysporoides, R. pyrina, Scoliciosporum umbrinum var. corticolum, Xanthoria candelaria, X. ulophyllodes and the lichenicolous fungi Lichenodiplis lecanorae, Telogalla olivieri, and Xanthoriicola physciae are new to Montenegro...
December 2010: Herzogia
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