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https://www.readbyqxmd.com/read/28822937/role-of-earthworms-mucus-in-vermicomposting-system-biodegradation-tests-based-on-humification-and-microbial-activity
#1
Kui Huang, Hui Xia
During vermicomposting, the organic wastes can be recycled into high-value products as mediated by earthworms through gut digestion, burrowing, casting and mucus excretion. However, to date, few studies have been done on the role of mucus in vermicomposting system compared to the effects of the other activities. Hence, this study investigated the potential role of earthworms' mucus in the decomposition and humification of organic wastes. For this, the mucus of Eisenia fetida was extracted and inoculated into three vermicomposting substrates using cow dung (CD), fruit and vegetable wastes (FVW), and sewage sludge (SS)...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822868/preliminary-profiling-of-microrna-in-the-normal-and-regenerating-liver-of-chiloscyllium-plagiosum
#2
Dandan Cheng, Yanna Chen, Conger Lu, Yuezhong Qian, Zhengbing Lv
Liver is a vital organ present in animals for detoxification, protein synthesis, digestion and other functions and its powerful regenerative capacity is well known. C. plagiosum is an abundant fish that is representative of the cartilaginous class in the southeast coastal region of China and its liver accounts for >70% of the fish's visceral weight and contains many bioactive substances. MicroRNAs (microRNAs) play important roles in a wide range of biological processes in eukaryotes, including cell proliferation, differentiation, apoptosis...
July 27, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28822283/assessment-of-integrated-process-based-on-autohydrolysis-and-robust-delignification-process-for-enzymatic-saccharification-of-bamboo
#3
Tian-Ying Chen, Jia-Long Wen, Bing Wang, Han-Min Wang, Chuan-Fu Liu, Run-Cang Sun
In this study, bamboo (Phyllostachys pubescens) was successfully deconstructed using an integrated process (autohydrolysis and subsequent delignification). Xylooligosaccharides, high-purity lignin, and digestible substrates for producing glucose can be consecutively collected during the integrated process. The structural change and fate of lignin during autohydrolysis process was deeply investigated. Additionally, the structural characteristics and active functional groups of the lignin fractions obtained by these delignification processes were thoroughly investigated by NMR (2D-HSQC and (31)P NMR) and GPC techniques...
August 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28822244/new-insights-into-the-enhanced-performance-of-high-solid-anaerobic-digestion-with-dewatered-sludge-by-thermal-hydrolysis-organic-matter-degradation-and-methanogenic-pathways
#4
Sisi Chen, Ning Li, Bin Dong, Wentao Zhao, Lingling Dai, Xiaohu Dai
Two lab-scale high solid anaerobic digesters fed with untreated sludge (R1) and thermally hydrolyzed sludge (R2) were operated to investigate the influence of thermal hydrolysis pretreatment (THP) on the degradation of individual macromolecular organic components (MOCs), as well as the functional and metabolic responses of microbes during anaerobic digestion (AD). The degradation of MOCs was improved by THP at different rates, in which improved degradation of proteins (by 49.0%) and hemicelluloses (by 25.0%) were the main factors contributing to the increase in volatile solids (VS) reduction...
August 8, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28821872/microbiota-in-the-coelomic-fluid-of-two-common-coastal-starfish-species-and-characterization-of-an-abundant-helicobacter-related-taxon
#5
Satoshi Nakagawa, Hikari Saito, Akihiro Tame, Miho Hirai, Hideyuki Yamaguchi, Takashi Sunata, Masanori Aida, Hisashi Muto, Shigeki Sawayama, Yoshihiro Takaki
Marine invertebrates associate with diverse microorganisms. Microorganisms even inhabit coelomic fluid (CF), namely, the fluid filling the main body cavity of echinoderms. The CF microbiota potentially impacts host health and disease. Here, we analysed the CF microbiota in two common coastal starfish species, Patiria pectinifera and Asterias amurensis. Although microbial community structures were highly variable among individual starfish, those of P. pectinifera were compositionally similar to those in the surrounding seawater...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818798/advances-towards-understanding-and-engineering-direct-interspecies-electron-transfer-in-anaerobic-digestion
#6
REVIEW
Sajib Barua, Bipro Ranjan Dhar
Direct interspecies electron transfer (DIET) is a recently discovered microbial syntrophy where cell-to-cell electron transfer occurs between syntrophic microbial species. DIET between bacteria and methanogenic archaea in anaerobic digestion can accelerate the syntrophic conversion of various reduced organic compounds to methane. DIET-based syntrophy can naturally occur in some anaerobic digester via conductive pili, however, can be engineered via the addition of various non-biological conductive materials...
August 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28818376/an-overview-on-the-strategies-to-exploit-rice-endosperm-as-production-platform-for-biopharmaceuticals
#7
REVIEW
Fumio Takaiwa, Yuhya Wakasa, Shimpei Hayashi, Taiji Kawakatsu
Cereal seed has been utilized as production platform for high-value biopharmaceutical proteins. Especially, protein bodies (PBs) in seeds are not only natural specialized storage organs of seed storage proteins (SSPs), but also suitable intracellular deposition compartment for recombinant proteins. When various recombinant proteins were produced as secretory proteins by attaching N terminal ER signal peptide and C terminal KDEL endoplasmic reticulum (ER) retention signal or as fusion proteins with SSPs, high amounts of recombinant proteins can be predominantly accumulated in the PBs...
October 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28814614/role-of-inactivity-in-chronic-diseases-evolutionary-insight-and-pathophysiological-mechanisms
#8
REVIEW
Frank W Booth, Christian K Roberts, John P Thyfault, Gregory N Ruegsegger, Ryan G Toedebusch
This review proposes that physical inactivity could be considered a behavior selected by evolution for resting, and also selected to be reinforcing in life-threatening situations in which exercise would be dangerous. Underlying the notion are human twin studies and animal selective breeding studies, both of which provide indirect evidence for the existence of genes for physical inactivity. Approximately 86% of the 325 million in the United States (U.S.) population achieve less than the U.S. Government and World Health Organization guidelines for daily physical activity for health...
October 1, 2017: Physiological Reviews
https://www.readbyqxmd.com/read/28811309/cellular-and-molecular-mechanisms-coordinating-pancreas-development
#9
REVIEW
Aimée Bastidas-Ponce, Katharina Scheibner, Heiko Lickert, Mostafa Bakhti
The pancreas is an endoderm-derived glandular organ that participates in the regulation of systemic glucose metabolism and food digestion through the function of its endocrine and exocrine compartments, respectively. While intensive research has explored the signaling pathways and transcriptional programs that govern pancreas development, much remains to be discovered regarding the cellular processes that orchestrate pancreas morphogenesis. Here, we discuss the developmental mechanisms and principles that are known to underlie pancreas development, from induction and lineage formation to morphogenesis and organogenesis...
August 15, 2017: Development
https://www.readbyqxmd.com/read/28810512/co-digestion-of-rice-straw-and-cow-dung-to-supply-cooking-fuel-and-fertilizers-in-rural-india-impact-on-human-health-resource-flows-and-climate-change
#10
Sophie Sfez, Steven De Meester, Jo Dewulf
Anaerobic digestion of cow dung with new feedstock such as crop residues to increase the biogas potential is an option to help overcoming several issues faced by India. Anaerobic digestion provides biogas that can replace biomass cooking fuels and reduce indoor air pollution. It also provides digestate, a fertilizer that can contribute to compensate nutrient shortage on agricultural land. Moreover, it avoids the burning of rice straw in the fields which contributes to air pollution in India and climate change globally...
August 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28809953/monitoring-health-and-reproductive-status-of-olms-proteus-anguinus-by-ultrasound
#11
Susanne Holtze, Maja Lukač, Ivan Cizelj, Frank Mutschmann, Claudia Anita Szentiks, Dušan Jelić, Robert Hermes, Frank Göritz, Stanton Braude, Thomas Bernd Hildebrandt
The olm (Proteus anguinus) is a troglomorphic, neotenous amphibian with extraordinary life expectancy and unique adaptations that deserve further investigation. A low reproductive rate and habitat decline render it threatened by extinction. Establishing captive populations for maintenance and artificial breeding may one day become crucial to the species. Longitudinal, in-vivo assessment of inner organs is invaluable to our understanding of reproductive physiology, health, and behavior. Using ultrasound, we measured heart rate and assessed health and reproductive status of 13 captive olms at Zagreb Zoo...
2017: PloS One
https://www.readbyqxmd.com/read/28809840/a-novel-clinical-grade-isolation-method-for-human-kidney-perivascular-stromal-cells
#12
Daniëlle G Leuning, Ellen Lievers, Marlies E J Reinders, Cees van Kooten, Marten A Engelse, Ton J Rabelink
Mesenchymal Stromal Cells (MSCs) are tissue homeostatic and immune modulatory cells that have shown beneficial effects in kidney diseases and transplantation. Perivascular Stromal Cells (PSCs) share characteristics with bone marrow MSCs (bmMSCs). However, they also possess, most likely due to local imprinting, tissue-specific properties and play a role in local tissue homeostasis. This tissue specificity may result in tissue specific repair, also within the human kidney. We previously showed that human kidney PSCs (kPSCs) have enhanced kidney epithelial wound healing whereas bmMSCs did not have this potential...
August 7, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28808972/chromosome-conformation-capture-for-research-on-innate-antiviral-immunity
#13
Yoon Jung Kim, Tae Hoon Kim
Chromosome conformation capture (3C) technology has revolutionized our knowledge on chromatin folding and nuclear organization. This cis-loop detection approach can be used to identify candidate regulatory elements interacting with target gene of interest. This chapter introduces the application of 3C technique to investigate a dynamic alteration in the chromosome folding structure or genomic architecture resulting from interaction changes between the enhancer and its target gene. Innate antiviral immunity is one of the well-known gene induction systems, involving rapid first-line response to virus or pathogen to trigger gene expression changes in order to protect cells and to limit further infection...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28808954/heavy-metal-pollutants-in-selected-organs-of-african-giant-rats-from-three-agro-ecological-zones-of-nigeria-evidence-for-their-role-as-an-environmental-specimen-bank
#14
Ifukibot Levi Usende, Benjamin O Emikpe, James Olukayode Olopade
An assessment of the concentration of heavy metals in the liver, brain, kidney, bone, and lungs of African giant rats (AGRs) from three agro-ecological zones of Nigeria having different industrial activities was carried out using atomic absorption spectrophotometer. Twenty adult AGRs from cities in mangrove/freshwater swamp, rainforest, and woodland/tall grass savanna agro-ecological zones of Nigeria were used for this study. AGRs were euthanized, carefully dissected, and the brains, liver, lungs, bone, and kidneys were harvested, digested, and analyzed for concentrations of vanadium (V), lead (Pb), cadmium (Cd), zinc (Zn), selenium (Se), copper (Cu), and iron (Fe)...
August 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28807841/racial-disparity-in-gastrointestinal-cancer-risk
#15
REVIEW
Hassan Ashktorab, Sonia S Kupfer, Hassan Brim, John M Carethers
Cancer from the gastrointestinal tract and its associated excretory organs will occur in over 300,000 Americans in 2017, with colorectal cancer responsible for over forty percent of that burden; there will be over 150,000 deaths from this group of cancers in the same time period. Disparities among subgroups related to these cancers' incidence and mortality exist. The epidemiology and risk factors associated with each cancer bear out differences for racial groups in the United States. Esophageal adenocarcinoma is more frequent in Non-Hispanic Whites, whereas esophageal squamous cell carcinoma with risk factors of tobacco and alcohol is more frequent among Blacks...
August 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28807555/improving-biogas-production-from-anaerobic-co-digestion-of-sewage-sludge-with-a-thermal-dried-mixture-of-food-waste-cheese-whey-and-olive-mill-wastewater
#16
A E Maragkaki, I Vasileiadis, M Fountoulakis, A Kyriakou, K Lasaridi, T Manios
Anaerobic co-digestion of sewage sludge and other organic wastes at a wastewater treatment plant (WWTP) is a promising method for both energy and material recovery. However, transportation and storage of wastes to WWTP may be the bottleneck for the successful implementation of this technology. In case of wet wastes and wastewater it is possible to reduce their volume and as a result the transportation and storage cost by using a drying process. During this study, the optimization of biogas production from sewage sludge (SS) was attempted by co-digesting with a dried mixture of food waste, cheese whey and olive mill wastewater (FCO)...
August 11, 2017: Waste Management
https://www.readbyqxmd.com/read/28803893/the-companion-dog-as-a-unique-translation-model-for-aging
#17
REVIEW
Andrea Mazzatenta, Camillo Di Giulio, Domenico Robbe, Augusto Carluccio, Alessandro Cellerino
The dog is a unique species due to its wide variation among breeds in size, morphology, behavior and lifespan coupled with a genetic structure that facilitates the dissection of the genetic architecture controlling those traits. Dogs and humans coevolved and share recent evolutionary selection processes like, for example, adaptations to digest starch-rich diets. Many diseases of the dog have a human counterpart, notably Alzheimer's that is otherwise difficult to model in other organisms. Unlike laboratory animals, companion dogs share the human environment and lifestyle, are exposed to the same pollutants and are faced with pathogens and infections...
August 10, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28803599/invited-review-resource-allocation-mismatch-as-pathway-to-disproportionate-growth-in-farm-animals-prerequisite-for-a-disturbed-health
#18
K Huber
The availability of resources including energy, nutrients and (developmental) time has a crucial impact on productivity of farm animals. Availability of energy and nutrients depends on voluntary feed intake and intestinal digestive and absorptive capacity at optimal feeding conditions. Availability of time is provided by the management in animal production. According to the resource allocation theory, resources have to be allocated between maintenance, ontogenic growth, production and reproduction during lifetime...
August 14, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28803460/-gastrostomy-tubes-indications-and-infectious-complications-in-a-tertiary-hospital
#19
M J Muñoz-Dávila, J M Xandri Ruipera, G Yagüe Guirao, C Salvador García, M Segovia Hernández
OBJECTIVE: Gastrostomy tube is the best option for long-term enteral nutrition. Among its limitations, infections represent the most frequent minor complication. Our aim is the knowledge of the number and type of gastrostomy tubes and its main indication in our hospital. In addition, prevalence of infectious complications was studied paying attention to the main etiologic agents and their antibiotic susceptibility. METHODS: Observational retrospective study from January 2010 to July 2015 through the electronic clinical history and the clinical microbiology laboratory software...
August 14, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28802744/remediation-of-thiothrix-spp-associated-bulking-problems-by-raw-wastewater-feeding-a-full-scale-experience
#20
Cristobal A Onetto, Kathryn L Eales, Paul R Grbin
An industrial wastewater treatment plant (WWTP) in Australia has long suffered from bulking problems associated with the proliferation of Thiothrix spp. The WWTP consists of a covered anaerobic lagoon (CAL) followed by a sequencing batch reactor (SBR). The CAL functions as both an anaerobic digester and surge lagoon for the irregular flow of wastewater generated from the production of seasonal products. Chemical analysis of the raw influent showed it was composed of a mixture of organic acids, phenols and alcohols...
July 27, 2017: Systematic and Applied Microbiology
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