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This book represents the latest research on microbiota axes, with a special focus on the gut-skin axis and the role of microbial breast bacteria on human health communication. This book also contains discussions of the microorganism-derived products that can directly or indirectly be signals for our organs and systems. Gut dysbiosis, representing a disruption of intestinal integrity, can create aberrant physiological conditions (including immunological disorders, intestinal stress, and anxiety-like behavior), as well as high serum levels of microbial metabolites increasing oxidative stress dysfunctions and generalized inflammation. Much research in this field has been carried out in animal models, and establishing whether those findings translate to humans will be crucial but challenging. On the other hand, several studies conducted on humans have evaluated the link between fecal microbiota composition and quality of life by recruiting thousands of participants. As well as identifying bacterial genera associated with higher quality of life, they carried out metagenomic analyses that indicated that the potential of microorganisms to synthesize certain active metabolites, and especially their interrelation, may also correlate with general wellbeing. It is clear that many axes can influence our lives; the most important include “the gut-brain axis” and the “skin-gut-breast axis”. Together, the studies presented in this book have laid the foundations for a better understanding of the effects of gut microbiota on skin and on our body in general. The mechanisms that underlie them may represent the ideal focus for the initial efforts to explore the relevance of these axes for human wellbeing.

small–large intestine axis --- hydrogen sulfide --- Desulfovibrio --- bowel disease --- colitis --- gut microbiota --- microbiome --- maternal–fetal interface --- newborn --- child --- pediatric disease --- dysbiosis --- microbiota --- schizophrenia --- olanzapine administration --- weight gain --- sulfate reduction --- microbiota axis --- oral microbiota arthritis --- joint inflammation --- otitis media --- upper respiratory tract --- adenoid --- middle ear --- microbiota axes

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Plastic (and microplastic) pollution has been described as one of the greatest environmental challenges of our time, and a hallmark of the human-driven epoch known as the Anthropocene. It has gained the attention of the general public, governments, and environmental scientists worldwide. To date, the main focus has been on plastics in the marine environment, but interest in the presence and effects of plastics in freshwaters has increased in the recent years. The occurrence of plastics within inland lakes and rivers, as well as their biota, has been demonstrated. Experiments with freshwater organisms have started to explore the direct and indirect effects resulting from plastic exposure. There is a clear need for further research, and a dedicated space for its dissemination. This book is devoted to highlighting current research from around the world on the prevalence, fate, and effects of plastic in freshwater environments.

Research & information: general --- plastics --- plastic debris --- African great lakes --- freshwater --- beach clean-up --- citizen science --- microplastic --- Enchytraeus crypticus --- enchytraeids --- avoidance test --- toxicity --- oxidative stress --- catalase --- glutathione S-transferase --- polyethylene --- Tubifex tubifex --- aquatic oligochetes --- mortality --- glutathione reductase --- peroxidase --- microplastic exposure --- freshwater environments --- microplastics --- Africa --- ingestion --- Nile tilapia (Oreochromis niloticus) --- catfish (Bagrus Bajad) --- fibers --- ATR-FTIR spectroscopy --- plastic pollution --- oysters --- Mississippi Sound --- fluorescence microscopy --- laser direct infrared analysis --- LDIR --- bulk water sampling --- Bonnet Carré Spillway --- dysbiosis --- microbiome --- Murntuluk / Catfish (Central NT, North NT SE52-03)

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Over the last few decades, remarkable progress has been made in understanding the aetiology and pathophysiology of diseases and many new theories emphasize the importance of the small bowel ‘ecosystem’ in the pathogenesis of acute and chronic illness. Emerging factors such as microbiome, stem cells, innate intestinal immunity and the enteric nervous system along with mucosal and endothelial barriers have key role in the development of gastrointestinal and extra-intestinal diseases. Therefore, the small intestine is considered key player in metabolic disease development, including diabetes mellitus, and other diet-related disorders such as celiac and non-celiac enteropathies. Another major field is drug metabolism and its interaction with microbiota. Moreover, the emergence of gut-brain, gut-liver and gut-blood barriers points toward the important role of small intestine in the pathogenesis of common disorders, such as liver disease, hypertension and neurodegenerative disease. However, the small bowel remains an organ that is difficult to fully access and assess and accurate diagnosis often poses a clinical challenge. Eventually, the therapeutic potential remains untapped. Therefore, it is due time to direct our interest towards the small intestine and unravel the interplay between small-bowel and other gastrointestinal (GI) and non-GI related maladies.

Research & information: general --- Biology, life sciences --- capsule endoscopy --- Crohn’s disease --- mucosal healing --- small bowel --- gut brain axis --- microbiota --- functional gastrointestinal disorders --- inflammatory bowel disease (IBD) --- adult stem cells --- surgical site infections (SSIs) --- probiotics --- prebiotics --- synbiotics --- surgery --- adverse events --- meta-analysis --- systematic review --- hyperspectral imaging --- multispectral imaging --- clinical diagnosis --- biomedical optical imaging --- gastroenterology --- medical diagnostic imaging --- small-bowel mass --- small-bowel bulge --- video capsule endoscopy --- cystic fibrosis --- gut microbiota --- intestinal inflammation --- fecal calprotectin --- dysbiosis index --- celiac disease --- biomarker --- serology --- enteropathy --- n/a --- colon cancer --- cancer risk --- collagenous colitis --- lung cancer --- microscopic colitis --- skin cancer --- squamous cell carcinoma --- Crohn's disease

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Over the last few decades, remarkable progress has been made in understanding the aetiology and pathophysiology of diseases and many new theories emphasize the importance of the small bowel ‘ecosystem’ in the pathogenesis of acute and chronic illness. Emerging factors such as microbiome, stem cells, innate intestinal immunity and the enteric nervous system along with mucosal and endothelial barriers have key role in the development of gastrointestinal and extra-intestinal diseases. Therefore, the small intestine is considered key player in metabolic disease development, including diabetes mellitus, and other diet-related disorders such as celiac and non-celiac enteropathies. Another major field is drug metabolism and its interaction with microbiota. Moreover, the emergence of gut-brain, gut-liver and gut-blood barriers points toward the important role of small intestine in the pathogenesis of common disorders, such as liver disease, hypertension and neurodegenerative disease. However, the small bowel remains an organ that is difficult to fully access and assess and accurate diagnosis often poses a clinical challenge. Eventually, the therapeutic potential remains untapped. Therefore, it is due time to direct our interest towards the small intestine and unravel the interplay between small-bowel and other gastrointestinal (GI) and non-GI related maladies.

capsule endoscopy --- Crohn’s disease --- mucosal healing --- small bowel --- gut brain axis --- microbiota --- functional gastrointestinal disorders --- inflammatory bowel disease (IBD) --- adult stem cells --- surgical site infections (SSIs) --- probiotics --- prebiotics --- synbiotics --- surgery --- adverse events --- meta-analysis --- systematic review --- hyperspectral imaging --- multispectral imaging --- clinical diagnosis --- biomedical optical imaging --- gastroenterology --- medical diagnostic imaging --- small-bowel mass --- small-bowel bulge --- video capsule endoscopy --- cystic fibrosis --- gut microbiota --- intestinal inflammation --- fecal calprotectin --- dysbiosis index --- celiac disease --- biomarker --- serology --- enteropathy --- n/a --- colon cancer --- cancer risk --- collagenous colitis --- lung cancer --- microscopic colitis --- skin cancer --- squamous cell carcinoma --- Crohn's disease

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We have entered a new era where some concepts of the complex community of microorganisms (microbiota comprising bacteria, fungi, viruses, bacteriophages and helminths) are being re-discovered and re-visited. Microbiota and human interaction is not new; they have shared a long history of co-existence. Nevertheless, the opportunities to understand the role of these microorganisms in human diseases and to design a potential treatment were limited. At present, thanks to development of innovative and cutting-edge molecular biological and microbiological technologies as well as clinical informatics and bioinformatics skills, microbiome application is moving into clinics. Approaches to therapy based on prebiotics, probiotics and lately on fecal microbiota transplantation has revolutionized medicine. Microbiota outnumbers our genes and is now regarded as another organ of the body. The gastrointestinal tract and gut microbiota display a well-documented symbiotic relationship. Disruption of intestinal microbiota homeostasis—called dysbiosis—has been associated with several diseases. Whether dysbiosis is a cause or consequence of disease initiation and progression still needs to be investigated in more depth. The aim of this book is to highlight recent advances in the field of microbiome research, which are now shaping medicine, and current approaches to microbiome-oriented therapy for gastrointestinal diseases. Dr. Rinaldo Pellicano Dr. Sharmila Fagoonee Guest Editors

Public health & preventive medicine --- Bacteroides ovatus --- Bifidobacterium adolescentis --- Dysbiosis --- Faecalibacterium prausnitzii --- Ruminococcus gnavus --- type 1 diabetes --- microbiota --- microbiome --- auto-immunity --- gut permeability --- gut --- IBS --- celiac disease --- enteropathy --- gluten --- therapy --- gut microbiota --- precision medicine --- Clostridium difficile --- inflammatory bowel disease --- ulcerative colitis --- irritable bowel disease --- metabolic syndrome --- gastric microbiota --- transient --- persistent --- culture --- sequencing --- Helicobacter pylori --- fecal microbiota transplantation --- feces donor --- fecal microbiota --- flow cytometry --- viability of bacteria --- next-generation sequencing --- culturing of fecal microbiota --- Alzheimer’s disease --- microbiota–gut–brain axis --- neurodegenerative disease --- intestinal flora --- necrotizing enterocolitis --- intestinal microbiology --- infant gut --- metabolomics --- IL-6 --- IL-8 --- IL-12p70 --- intestinal permeability --- zonulin --- gut virome --- steatosis --- cirrhosis --- hepatocellular carcinoma --- gastrointestinal --- technology --- high-throughput --- crohn’s disease --- mononuclear cells --- transient receptor potential channel --- pancreatic diseases --- acute pancreatitis --- chronic pancreatitis --- diabetes mellitus --- pancreatic ductal adenocarcinoma --- pancreatic cystic neoplasms