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https://www.readbyqxmd.com/read/29046929/improved-fruiting-of-the-straw-mushroom-volvariella-volvacea-on-cotton-waste-supplemented-with-sodium-acetate
#1
Lijuan Hou, Yu Li, Mingjie Chen, Zhengpeng Li
Compared with controls, treatment of the cultivation substrate for Volvariella volvacea with 0.02% NaAc at the "spraying water" stage increased the number of fruiting body primordia by 280, the mushroom yield by 16.25%, the number of fruiting bodies by 35.57%, and the biological efficiency by 16.28%. The average single mushroom weight increased by 19.33%, but there was no significant difference between treatments and controls. A correlation analysis revealed a significant (p < 0.05) positive correlation between the total yield and the number of fruiting bodies...
October 19, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29037683/arsenic-hyperaccumulation-and-speciation-in-the-edible-ink-stain-bolete-cyanoboletus-pulverulentus
#2
Simone Braeuer, Walter Goessler, Jan Kameník, Tereza Konvalinková, Anna Žigová, Jan Borovička
The edible ink stain bolete (Cyanoboletus pulverulentus) was found to hyperaccumulate arsenic. We analyzed 39 individual collections determined as C. pulverulentus, mostly from the Czech Republic. According to our results, concentrations of arsenic in C. pulverulentus fruit-bodies may reach 1300mgkg(-1) dry weight. In most collections, data for total and bioavailable arsenic in underlying soils were collected but no significant correlation between the soil arsenic content and arsenic concentrations in the associated fruit-bodies was found...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29024727/interspecific-comparison-of-mushroom-body-synaptic-complexes-of-dimorphic-workers-in-the-ant-genus-pheidole
#3
Darcy G Gordon, Alejandra Zelaya, Katherine Ronk, James F A Traniello
Social insects may have morphologically and behaviorally specialized workers that vary in requirements for sensory information processing, making them excellent systems to examine the relationship between brain structure and behavior. The density and size of synaptic complexes (microglomeruli, MG) in the mushroom bodies (MB) have served as proxies for processing ability and synaptic plasticity, and have been shown to vary among insect species that differ in behavioral complexity. To understand the relationship between behavioral specialization and synaptic structure, we examined age-related changes in MG density and size between minor worker and soldier subcastes in two species of Pheidole ants, P...
October 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29018957/effect-of-heat-stress-on-production-and-in-vitro-antioxidant-activity-of-polysaccharides-in-ganoderma-lucidum
#4
Xiaoyan Tan, Junshe Sun, Zhangyang Xu, Hengchang Li, Jing Hu, Huijuan Ning, Zifang Qin, Haisheng Pei, Tian Sun, Xiuqing Zhang
Ganoderma lucidum is a traditional Chinese medicine, and its polysaccharides possess diverse and significant pharmacological activities. This study aimed to investigate the polysaccharide production, molecular characteristics and in-vitro antioxidant activity of G. lucidum fruiting body after the mushroom was harvested and treated with heat stress (HS). HS enhanced the production of polysaccharides after harvest and treatment of 42 °C HS for 2 h, and that resulted in the highest polysaccharide yield of 10...
October 10, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28993465/camp-signaling-mediates-behavioral-flexibility-and-consolidation-of-social-status-in-drosophila-aggression
#5
Nitin Singh Chouhan, Krithika Mohan, Aurnab Ghose
Social rituals, like male-male aggression in Drosophila, are often stereotyped and the component behavioral patterns modular. The likelihood of transition from one behavioral pattern to another is malleable by experience and confers flexibility to the behavioral repertoire. Experience-dependent modification of innate aggressive behavior in flies alters fighting strategies during fights and establishes dominant-subordinate relationships. Dominance hierarchies resulting from agonistic encounters are consolidated to longer lasting social status-dependent behavioral modifications resulting in a robust loser effect...
October 9, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28988842/a-novel-core-1-o-linked-glycan-specific-binding-lectin-from-the-fruiting-body-of-hericium-erinaceus
#6
Seonghun Kim
Mucin-type O-glycans are involved in biological functions on the cell surface as well as the glycoproteins and can also be used as specific carbohydrate biomarkers of many diseases. In this study, we purified a novel core 1 O-linked glycan specific lectin, Hericium erinaceus lecin (HeL), from the fruiting body of the mushroom Hericium erinaceus, which is known as the natural source for a sialic acid-binding lectin. Upon optimization of the purification conditions, a sequence of ion exchange, affinity, ion exchange, and size-exclusion chromatography resulted in the highest yield and best quality of lectin without protease activity...
October 6, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28978727/a-possible-structural-correlate-of-learning-performance-on-a-colour-discrimination-task-in-the-brain-of-the-bumblebee
#7
Li Li, HaDi MaBouDi, Michaela Egertová, Maurice R Elphick, Lars Chittka, Clint J Perry
Synaptic plasticity is considered to be a basis for learning and memory. However, the relationship between synaptic arrangements and individual differences in learning and memory is poorly understood. Here, we explored how the density of microglomeruli (synaptic complexes) within specific regions of the bumblebee (Bombus terrestris) brain relates to both visual learning and inter-individual differences in learning and memory performance on a visual discrimination task. Using whole-brain immunolabelling, we measured the density of microglomeruli in the collar region (visual association areas) of the mushroom bodies of the bumblebee brain...
October 11, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28973902/drk-mediated-signaling-to-rho-kinase-is-required-for-anesthesia-resistant-memory-in-drosophila
#8
Vasileia Kotoula, Anastasios Moressis, Ourania Semelidou, Efthimios M C Skoulakis
Anesthesia-resistant memory (ARM) was described decades ago, but the mechanisms that underlie this protein synthesis-independent form of consolidated memory in Drosophila remain poorly understood. Whether the several signaling molecules, receptors, and synaptic proteins currently implicated in ARM operate in one or more pathways and how they function in the process remain unclear. We present evidence that Drk, the Drosophila ortholog of the adaptor protein Grb2, is essential for ARM within adult mushroom body neurons...
September 25, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28971768/a-review-on-phytochemistry-and-pharmacology-of-medicinal-as-well-as-poisonous-mushrooms
#9
Diksha Sharma, Virendra Pratap Singh, Narendra Kumar Singh
Mushrooms have an established history of use in traditional oriental medicine. Higher Basidiomycetes mushrooms contain biologically active compounds in fruit bodies, cultured mycelium, and cultured broth. Medicinal mushrooms possess medicinal properties such as anti-tumor, immunomodulating, antioxidant, cardiovascular, anti-hypercholesterolemic, anti-viral, anti-bacterial, anti-parasitic, anti-fungal, detoxification, hepatoprotective, and anti-diabetic effects. Several compounds isolated from medicinal mushrooms have been subjected to Phase-I, II, and III clinical trials, and are used extensively to treat various diseases including cancer...
September 27, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28970048/comparative-transcriptomics-of-pleurotus-eryngii-reveals-blue-light-regulation-of-carbohydrate-active-enzymes-cazymes-expression-at-primordium-differentiated-into-fruiting-body-stage
#10
Chunliang Xie, Wenbing Gong, Zuohua Zhu, Li Yan, Zhenxiu Hu, Yuande Peng
Blue light is an important environmental factor which could induce mushroom primordium differentiation and fruiting body development. However, the mechanisms of Pleurotus eryngii primordium differentiation and development induced by blue light are still unclear. The CAZymes (carbohydrate-active enzymes) play important roles in degradation of renewable lignocelluloses to provide carbohydrates for fungal growth, development and reproduction. In the present research, the expression profiles of genes were measured by comparison between the Pleurotus eryngii at primordium differentiated into fruiting body stage after blue light stimulation and dark using high-throughput sequencing approach...
September 29, 2017: Genomics
https://www.readbyqxmd.com/read/28966087/steroid-hormone-ecdysone-signaling-specifies-mushroom-body-neuron-sequential-fate-via-chinmo
#11
Giovanni Marchetti, Gaia Tavosanis
The functional variety in neuronal composition of an adult brain is established during development. Recent studies proposed that interactions between genetic intrinsic programs and external cues are necessary to generate proper neural diversity [1]. However, the molecular mechanisms underlying this developmental process are still poorly understood. Three main subtypes of Drosophila mushroom body (MB) neurons are sequentially generated during development and provide a good example of developmental neural plasticity [2]...
October 9, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28954386/anti-diabetic-effects-of-inonotus-obliquus-polysaccharides-in-streptozotocin-induced-type-2-diabetic-mice-and-potential-mechanism-via-pi3k-akt-signal-pathway
#12
Jia Wang, Cong Wang, Shuqin Li, Weiwei Li, Guoqi Yuan, Yuxiang Pan, Haixia Chen
Polysaccharides are the main components of mushroom Inonotus obliquus (I. obliquus) with antihyperglycemic activities. This study was aimed to investigate the anti-diabetic effects and the potential mechanism of I. obliquus polysaccharides (IOPS) in high fat diet and STZ-induced type 2 diabetic mice. Results showed that oral administration of IOPS (900mg/kg) could significantly restore the body and fat mass weight, reduce fasting blood glucose levels, improve glucose tolerance ability, increase hepatic glycogen level and ameliorate insulin resistance compared to those of the control diabetic mice (P<0...
September 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28949916/an-insect-like-mushroom-body-in-a-crustacean-brain
#13
Gabriella Hannah Wolff, Hanne Halkinrud Thoen, Justin Marshall, Marcel E Sayre, Nicholas James Strausfeld
Mushroom bodies are the iconic learning and memory centers of insects. No previously described crustacean possesses a mushroom body as defined by strict morphological criteria although crustacean centers called hemiellipsoid bodies, which serve functions in sensory integration, have been viewed as evolutionarily convergent with mushroom bodies. Here, using key identifiers to characterize neural arrangements, we demonstrate insect-like mushroom bodies in stomatopod crustaceans (mantis shrimps). More than any other crustacean taxon, mantis shrimps display sophisticated behaviors relating to predation, spatial memory, and visual recognition comparable to those of insects...
September 26, 2017: ELife
https://www.readbyqxmd.com/read/28943854/insulin-signaling-in-the-peripheral-and-central-nervous-system-regulates-female-sexual-receptivity-during-starvation-in-drosophila
#14
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/28942500/evaluation-of-immunostimulatory-and-immunotherapeutic-effects-of-tropical-mushroom-lentinus-edodes-against-eimeriasis-in-chicken
#15
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%C3%A2-forager-honey-bees-apis-mellifera
#16
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/28931572/drosophila-neprilysin-1-rescues-memory-deficits-caused-by-amyloid-%C3%AE-peptide
#17
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/28929370/a-termite-symbiotic-mushroom-maximizing-sexual-activity-at-growing-tips-of-vegetative-hyphae
#18
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/28921711/foxp-expression-identifies-a-kenyon-cell-subtype-in-the-honeybee-mushroom-bodies-linking-them-to-fruitfly-%C3%AE-%C3%AE-c-neurons
#19
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/28919858/safety-evaluation-of-sclerotium-from-a-medicinal-mushroom-lignosus-cameronensis-cultivar-preclinical-toxicology-studies
#20
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
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