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https://www.readbyqxmd.com/read/28944010/logged-peat-swamp-forest-supports-greater-macrofungal-biodiversity-than-large-scale-oil-palm-plantations-and-smallholdings
#1
Siti Noor Shuhada, Sabiha Salim, Frisco Nobilly, Akbar Zubaid, Badrul Azhar
Intensive land expansion of commercial oil palm agricultural lands results in reducing the size of peat swamp forests, particularly in Southeast Asia. The effect of this land conversion on macrofungal biodiversity is, however, understudied. We quantified macrofungal biodiversity by identifying mushroom sporocarps throughout four different habitats; logged peat swamp forest, large-scale oil palm plantation, monoculture, and polyculture smallholdings. We recorded a total of 757 clusters of macrofungi belonging to 127 morphospecies and found that substrates for growing macrofungi were abundant in peat swamp forest; hence, morphospecies richness and macrofungal clusters were significantly greater in logged peat swamp forest than converted oil palm agriculture lands...
September 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28943854/insulin-signaling-in-the-peripheral-and-central-nervous-system-regulates-female-sexual-receptivity-during-starvation-in-drosophila
#2
Sébastien Lebreton, Mikael A Carlsson, Peter Witzgall
Many animals adjust their reproductive behavior according to nutritional state and food availability. Drosophila females for instance decrease their sexual receptivity following starvation. Insulin signaling, which regulates many aspects of insect physiology and behavior, also affects reproduction in females. We show that insulin signaling is involved in the starvation-induced reduction in female receptivity. More specifically, females mutant for the insulin-like peptide 5 (dilp5) were less affected by starvation compared to the other dilp mutants and wild-type flies...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28942945/polysaccharides-derived-from-ganoderma-lucidum-fungus-mycelia-ameliorate-indomethacin-induced-small-intestinal-injury-via-induction-of-gm-csf-from-macrophages
#3
Kenta Nagai, Yoshitaka Ueno, Shinji Tanaka, Ryohei Hayashi, Kei Shinagawa, Kazuaki Chayama
Non-steroidal anti-inflammatory drugs often cause ulcers in the human small intestine, but few effective agents exist to treat such injury. Ganoderma lucidum Karst, also known as "Reishi" or "Lingzhi", is a mushroom. We previously reported that a water-soluble extract from G. lucidum fungus mycelia (MAK) has anti-inflammatory effects in murine colitis induced by trinitrobenzene sulfonic acid, and induction of granulocyte macrophage colony-stimulating factor (GM-CSF) by MAK may provide anti-inflammatory effects...
August 4, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28942500/evaluation-of-immunostimulatory-and-immunotherapeutic-effects-of-tropical-mushroom-lentinus-edodes-against-eimeriasis-in-chicken
#4
Muhammad Irfan Ullah, Masood Akhtar, Mian Muhammad Awais, Muhammad Irfan Anwar, Kashfa Khaliq
Mushrooms (Lentinus edodes) were processed for hot water (HWE), methanolic (ME), and polysaccharide (PSE) extracts. Polysaccharides were isolated through ion exchange (DEAE cellulose) and size exclusion (Sephadex G-100) chromatography. Monosaccharides including maltose (0.282%), glucose (0.113%), and mannose (0.451%) were identified, qualitatively and quantitatively, from the isolated polysaccharides through high-performance liquid chromatography. The whole study was divided into two experiments. Experiment 1 was meant for the evaluation of HWE and ME; whereas, experiment 2 was meant for the evaluation of PSE for immunostimulatory and immunotherapeutic activities...
September 24, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28941994/the-microrna-ame-mir-279a-regulates-sucrose-responsiveness-of-forager-honey-bees-apis-mellifera
#5
Fang Liu, Tengfei Shi, Wei Yin, Xin Su, Lei Qi, Zachary Y Huang, Shaowu Zhang, Linsheng Yu
Increasing evidence demonstrates that microRNAs (miRNA) play an important role in the regulation of animal behaviours. Honey bees (Apis mellifera) are eusocial insects, with honey bee workers displaying age-dependent behavioural maturation. Many different miRNAs have been implicated in the change of behaviours in honey bees and ame-miR-279a was previously shown to be more highly expressed in nurse bee heads than in those of foragers. However, it was not clear whether this difference in expression was associated with age or task performance...
September 20, 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28932226/immunomodulatory-properties-of-coriolus-versicolor-the-role-of-polysaccharopeptide
#6
REVIEW
Mohammad H Saleh, Iran Rashedi, Armand Keating
Traditional uses of herbal medicine have depended mostly on anecdotal evidence for much of history. The increasing application of scientific rigor to the study some of these traditional therapies in recent years has revealed potent bioactivity, notably demonstrated by the 2015 Nobel Prize for the discovery of an antimalarial compound from traditional Chinese herbs. Given the recent successes of immunotherapy and checkpoint blockade, there is a renewed interest in identifying new drugs with immunomodulatory effects...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28931572/drosophila-neprilysin-1-rescues-memory-deficits-caused-by-amyloid-%C3%AE-peptide
#7
Oriane Turrel, Valérie Goguel, Thomas Preat
Neprilysins are type-II metalloproteinases known to degrade and inactivate a number of small peptides, in particular the mammalian amyloid-β peptide (Aβ). In Drosophila, several neprilysins expressed in the brain are required for middle-term (MTM) and long-term memory (LTM) in the dorsal paired medial (DPM) neurons, a pair of large neurons that broadly innervate the mushroom bodies (MB), the center of olfactory memory. These data indicate that one or several peptides need to be degraded for MTM and LTM. We have previously shown that the fly amyloid precursor protein (APPL) is required for memory in the MB...
September 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28929753/identification-of-%C3%AF-n-methyl-4-hydroxytryptamine-norpsilocin-as-a-psilocybe-natural-product
#8
Claudius Lenz, Jonas Wick, Dirk Hoffmeister
We report the identification of ω-N-methyl-4-hydroxytryptamine (norpsilocin, 1) from the carpophores of the hallucinogenic mushroom Psilocybe cubensis. The structure was elucidated by 1D and 2D NMR spectroscopy and high-resolution mass spectrometry. Norpsilocin has not previously been reported as a natural product. It likely represents the actual psychotropic agent liberated from its 4-phosphate ester derivative, the known natural product baeocystin. We further present a simple and artifact-free extraction method that prevents dephosphorylation and therefore helps reflect the naturally occurring metabolic profile of Psilocybe mushrooms in subsequent analyses...
September 20, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28929370/a-termite-symbiotic-mushroom-maximizing-sexual-activity-at-growing-tips-of-vegetative-hyphae
#9
Huei-Mei Hsieh, Mei-Chu Chung, Pao-Yang Chen, Fei-Man Hsu, Wen-Wei Liao, Ai-Ning Sung, Chun-Ru Lin, Chung-Ju Rachel Wang, Yu-Hsin Kao, Mei-Jane Fang, Chi-Yung Lai, Chieh-Chen Huang, Jyh-Ching Chou, Wen-Neng Chou, Bill Chia-Han Chang, Yu-Ming Ju
BACKGROUND: Termitomyces mushrooms are mutualistically associated with fungus-growing termites, which are widely considered to cultivate a monogenotypic Termitomyces symbiont within a colony. Termitomyces cultures isolated directly from termite colonies are heterokaryotic, likely through mating between compatible homokaryons. RESULTS: After pairing homokaryons carrying different haplotypes at marker gene loci MIP and RCB from a Termitomyces fruiting body associated with Odontotermes formosanus, we observed nuclear fusion and division, which greatly resembled meiosis, during each hyphal cell division and conidial formation in the resulting heterokaryons...
September 19, 2017: Botanical Studies (Taipei, Taiwan)
https://www.readbyqxmd.com/read/28928522/microbial-analysis-of-meatballs-cooled-with-vacuum-and-conventional-cooling
#10
Hande Mutlu Ozturk, Harun Kemal Ozturk, Gunnur Koçar
Vacuum cooling is a rapid evaporative cooling technique and can be used for pre-cooling of leafy vegetables, mushroom, bakery, fishery, sauces, cooked food, meat and particulate foods. The aim of this study was to apply the vacuum cooling and the conventional cooling techniques for the cooling of the meatball and to show the vacuum pressure effect on the cooling time, the temperature decrease and microbial growth rate. The results of the vacuum cooling and the conventional cooling (cooling in the refrigerator) were compared with each other for different temperatures...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28923544/modulation-of-oncogenic-transcription-factors-by-bioactive-natural-products-in-breast-cancer
#11
REVIEW
Mohadeseh Hasanpourghadi, Ashok Kumar Pandurangan, Mohd Rais Mustafa
Carcinogenesis, a multi-step phenomenon, characterized by alterations at genetic level and affecting the main intracellular pathways controlling cell growth and development. There are growing number of evidences linking oncogenes to the induction of malignancies, especially breast cancer. Modulations of oncogenes lead to gain-of-function signals in the cells and contribute to the tumorigenic phenotype. These signals yield a large number of proteins that cause cell growth and inhibit apoptosis. Transcription factors such as STAT, p53, NF-κB, c-JUN and FOXM1, are proteins that are conserved among species, accumulate in the nucleus, bind to DNA and regulate the specific genes targets...
September 15, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28921711/foxp-expression-identifies-a-kenyon-cell-subtype-in-the-honeybee-mushroom-bodies-linking-them-to-fruitfly-%C3%AE-%C3%AE-c-neurons
#12
Adriana Schatton, Constance Scharff
The arthropod mushroom bodies (MB) are a higher order sensory integration center. In insects, they play a central role in associative olfactory learning and memory. In Drosophila melanogaster (Dm), the highly ordered connectivity of heterogeneous MB neuron populations has been mapped using sophisticated molecular genetic and anatomical techniques. The MB-core subpopulation was recently shown to express the transcription factor FoxP with relevance for decision-making. Here we report the development and adult distribution of a FoxP-expressing neuron population in the MB of honeybees (Apis mellifera, Am) using in situ hybridization and a custom-made antiserum...
September 16, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28921611/dendritic-spines-provide-cognitive-resilience-against-alzheimer-s-disease
#13
Benjamin D Boros, Kelsey M Greathouse, Erik G Gentry, Kendall A Curtis, Elizabeth L Birchall, Marla Gearing, Jeremy H Herskowitz
OBJECTIVE: Neuroimaging and other biomarker assays suggest that the pathological processes of Alzheimer's disease (AD) initiate years prior to clinical dementia onset. However some 30%-50% of older individuals that harbor AD pathology do not become symptomatic in their lifetime. It is hypothesized that such individuals exhibit cognitive resilience that protects against AD dementia. We hypothesized that in cases with AD pathology structural changes in dendritic spines would distinguish individuals that had or did not have clinical dementia...
September 16, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28919858/safety-evaluation-of-sclerotium-from-a-medicinal-mushroom-lignosus-cameronensis-cultivar-preclinical-toxicology-studies
#14
Sook-Shien Lee, Nget-Hong Tan, Jayalakshmi Pailoor, Shin-Yee Fung
Twenty-eight days subacute toxicity studies performed in rats using sclerotial powder of Lignosus cameronensis cultivar was conducted to assess its safety for consumption prior to other scientific investigations on its medicinal benefits, nutraceutical or pharmaceutical application of the mushroom. The study was conducted at 250, 500, and 1000 mg/kg sclerotial powder of L. cameronensis cultivar (n = 5 for each respective dose, on both male and female groups) while control groups received only distilled water...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28918611/anti-melanogenic-activity-and-cytotoxicity-of-pistacia-vera-hull-on-human-melanoma-skmel-3-cells
#15
Parisa Sarkhail, Mona Salimi, Pantea Sarkheil, Hirsa Mostafapour Kandelous
Pistacia vera seed is a common food and medicinal seed in Iran. It's hull (outer skin) as a significant byproduct of pistachio, is traditionally used as tonic, sedative and antidiarrheal and has been shown to be a rich source of antioxidants. The aim of the present study is to evaluate the anti-melanogenic activity of the pistachio hulls in order to discover a new alternative herbal agent to treat skin hyperpigmentation disorders. In this work, antioxidant and anti-tyrosinase activity of MeOH extract from Pistacia vera hull (MPH) were evaluated in vitro, respectively, by DPPH radical scavenging and mushroom tyrosinase activity assays...
July 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28918193/psychedelic-pleasures-an-affective-understanding-of-the-joys-of-tripping
#16
Frederik Bøhling
BACKGROUND: This paper considers the pleasures of psychedelic drugs and proposes a Deleuzian understanding of drugged pleasures as affects. In spite of a large body of work on psychedelics, not least on their therapeutic potentials, the literature is almost completely devoid of discussions of the recreational practices and pleasures of entheogenic drugs. Yet, most people do not use psychedelics because of their curative powers, but because they are fun and enjoyable ways to alter the experience of reality...
September 13, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28917001/a-neural-network-model-for-familiarity-and-context-learning-during-honeybee-foraging-flights
#17
Jurek Müller, Martin Nawrot, Randolf Menzel, Tim Landgraf
How complex is the memory structure that honeybees use to navigate? Recently, an insect-inspired parsimonious spiking neural network model was proposed that enabled simulated ground-moving agents to follow learned routes. We adapted this model to flying insects and evaluate the route following performance in three different worlds with gradually decreasing object density. In addition, we propose an extension to the model to enable the model to associate sensory input with a behavioral context, such as foraging or homing...
September 15, 2017: Biological Cybernetics
https://www.readbyqxmd.com/read/28916631/experience-during-early-adulthood-shapes-the-learning-capacities-and-the-number-of-synaptic-boutons-in-the-mushroom-bodies-of-honey-bees-apis-mellifera
#18
Amélie Cabirol, Rufus Brooks, Claudia Groh, Andrew B Barron, Jean-Marc Devaud
The honey bee mushroom bodies (MBs) are brain centers required for specific learning tasks. Here, we show that environmental conditions experienced as young adults affect the maturation of MB neuropil and performance in a MB-dependent learning task. Specifically, olfactory reversal learning was selectively impaired following early exposure to an impoverished environment lacking some of the sensory and social interactions present in the hive. In parallel, the overall number of synaptic boutons increased within the MB olfactory neuropil, whose volume remained unaffected...
October 2017: Learning & Memory
https://www.readbyqxmd.com/read/28916256/-flagellate-dermatitis-due-to-shiitake-mushrooms
#19
J L Agudo-Mena, E M García-Atienza, M C García Del Pozo-Martín de Hijas, G Ochando-Ibernón, E Escario-Travesedo
No abstract text is available yet for this article.
September 12, 2017: Semergen
https://www.readbyqxmd.com/read/28911631/new-psychoactive-substances-of-natural-origin-a%C3%A2-brief-review
#20
REVIEW
Ling-Yi Feng, Altansuvd Battulga, Eunyoung Han, Heesun Chung, Jih-Heng Li
Plant-based drugs of abuse are as old as recorded human history. Although traditional addictive substances, such as opium, cannabis and coca, have been controlled by the United Nations anti-drug conventions, many, if not most, natural plants with addictive or abuse liability remain elusive. Therefore, the United Nations Office on Drugs and Crime (UNODC) has warned the emerging threat from new psychoactive substances (NPS), which are mostly derived or modified from the constituents of natural origin. For example, synthetic cannabinoids and synthetic cathinones are derived from the cannabis and khat plant, respectively...
July 2017: Journal of Food and Drug Analysis
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