scholarly journals The Effect of Pesticides on the Microbiome of Animals

Agriculture ◽  
2020 ◽  
Vol 10 (3) ◽  
pp. 79 ◽  
Author(s):  
Mikhail Y. Syromyatnikov ◽  
Mariya M. Isuwa ◽  
Olga V. Savinkova ◽  
Mariya I. Derevshchikova ◽  
Vasily N. Popov
Keyword(s):  
Intestinal Microbiota ◽  
Mating Success ◽  
Taxonomic Composition ◽  
Scientific Data ◽  
Negative Effects ◽  
Negative Effect ◽  
Bacterial Biodiversity ◽  
Induced Changes ◽  
The Impact ◽  
Impact Of Pesticides

In recent decades an increase in the use of pesticides to protect plants from pests, diseases and weeds has been observed. There are many studies on the effects of various pesticides on non-target organisms. This review aims to analyze and summarize published scientific data on the effects of pesticides on the animal microbiome. Pesticides can affect various parameters of the animal microbiome, such as the taxonomic composition of bacteria, bacterial biodiversity, and bacterial ratios and modify the microbiome of various organisms from insects to mammals. Pesticide induced changes in the microbiome reducing the animal’s immunity. The negative effects of pesticides could pose a global problem for pollinators. Another possible negative effect of pesticides is the impact of pesticides on the intestinal microbiota of bumblebees and bees that increase the body’s sensitivity to pathogenic microflora, which leads to the death of insects. In addition, pesticides can affect vitality, mating success and characteristics of offspring. The review considers methods for correcting of bee microbiome.

Impact of the Global Financial Crisis on IT Sector. The Case of Greece

2022 ◽  
Vol 9 (1) ◽  
pp. 0-0
Keyword(s):  
Global Financial Crisis ◽  
Extended Period ◽  
Early Years ◽  
Negative Consequences ◽  
Negative Effects ◽  
Innovation Development ◽  
Negative Effect ◽  
Greek Economy ◽  
The Global Financial Crisis ◽  
The Impact

The impact of the Information and Technology (IT) sector on the countries’ innovation development has been recognized as crucial in prior and recent research studies. Moreover, firms’ innovativeness affects positively countries’ economies. Nevertheless, the global economic crisis of the last decade constituted a significant barrier to the development of country economies and had a negative effect on firms’ performance. Specifically, the negative consequences of the global crisis became harder for Southern Europe Countries. More specifically the Greek economy was suffered by an extended period of crisis with harder consequences than those of other European countries. The main purpose of this study was to examine the financial performance of Greek IT firms in the early years of crisis. Our findings have been relevant to those of previous studies which observed negative effects of the financial recession on firms profitability.

Fungal richness does not buffer the effects of streams salinization on litter decomposition

2021 ◽  
Vol 57 ◽  
pp. 5
Author(s):  
Janine Pereira da Silva ◽  
Aingeru Martínez ◽  
Ana Lúcia Gonçalves ◽  
Felix Bärlocher ◽  
Cristina Canhoto
Keyword(s):  
Mass Loss ◽  
Litter Decomposition ◽  
Fungal Biomass ◽  
Fungal Species ◽  
Aquatic Hyphomycetes ◽  
Negative Effects ◽  
Stream Functioning ◽  
Induced Changes ◽  
Sporulation Rate ◽  
The Impact

Freshwater salinization is a world-wide phenomenon threatening stream communities and ecosystem functioning. In these systems, litter decomposition is a main ecosystem-level process where fungi (aquatic hyphomycetes) play a central role linking basal resource and higher levels of food-web. The current study evaluated the impact of aquatic hyphomycete richness on leaf litter decomposition when subjected to salinization. In a microcosm study, we analysed leaf mass loss, fungal biomass, respiration and sporulation rate by fungal assemblages at three levels of species richness (1, 4, 8 species) and three levels of salinity (0, 8, 16 g NaCl L‑1). Mass loss and sporulation rate were depressed at 8 and 16 g NaCl L‑1, while fungal biomass and respiration were only negatively affected at 16 g L‑1. A richness effect was only observed on sporulation rates, with the maximum values found in assemblages of 4 species. In all cases, the negative effects of high levels of salinization on the four tested variables superimposed the potential buffer capacity of fungal richness. The study suggests functional redundancy among the fungal species even at elevated salt stress conditions which may guarantee stream functioning at extreme levels of salinity. Nonetheless, it also points to the possible importance of salt induced changes on fungal diversity and identity in salinized streams able to induce bottom-up effects in the food webs.

scholarly journals Long-term dysbiosis promotes insulin resistance during obesity despite rapid diet-induced changes in the gut microbiome of mice

2017 ◽  
Author(s):  
Kevin P. Foley ◽  
Emmanuel Denou ◽  
Brittany M. Duggan ◽  
Rebecca Chan ◽  
Jennifer C. Stearns ◽  
...  
Keyword(s):  
Insulin Resistance ◽  
Glucose Tolerance ◽  
Glucose Intolerance ◽  
Intestinal Microbiota ◽  
Fecal Microbiota ◽  
Taxonomic Composition ◽  
Short Term ◽  
Fecal Microbiome ◽  
Induced Changes

AbstractThe intestinal microbiota and insulin sensitivity are rapidly altered in response to a high fat diet (HFD). It is unclear if gut dysbiosis precedes insulin resistance or vice versa. The initial triggers of diet-induced insulin resistance can differ from mechanisms underlying chronic dysglycemia during prolonged obesity. It is not clear if intestinal dysbiosis contributes to insulin resistance during short-term or long-term HFD-feeding. We found that diet-induced changes in the composition of the fecal microbiome preceded changes in glucose and insulin tolerance at both the onset and removal of a HFD in mice. Dysbiosis occurred after 1-3 days of HFD-feeding, whereas insulin and glucose intolerance manifested by 3-4 days. Antibiotic treatment did not alter glucose tolerance during this short-term HFD period. Conversely, antibiotics improved glucose tolerance in mice with protracted obesity caused by long-term HFD feeding for over 2 months. We also found that microbiota transmissible glucose intolerance only occurred after prolonged diet-induced dysbiosis. Germ-free mice had impaired glucose tolerance when reconstituted with the microbiota from long-term, but not short-term HFD-fed animals. Our results are consistent with intestinal microbiota contributing to chronic insulin resistance and dysglycemia during prolonged obesity, despite rapid diet-induced changes in the taxonomic composition of the fecal microbiota.

scholarly journals Optimizing the seismic effects of blasting in quarries by timing

2019 ◽  
pp. 48-62
Author(s):  
Ján Baulovič ◽  
Blažej Pandula ◽  
Julián Kondela ◽  
Marta Prekopová
Keyword(s):  
Natural Environment ◽  
Technical Problem ◽  
The Other ◽  
Negative Effects ◽  
Seismic Effects ◽  
Seismic Safety ◽  
Blasting Operation ◽  
Negative Effect ◽  
The Impact ◽  
Positive Effect

Recently, negative effects of the blasting operations and quantification of the seismic safety are regarded as very important technical problem in quarries. The impact of blasting operations is accompanied by both positive and negative seismic effects. For example, vibrations generated by explosion create very positive effect − when help to break the rocks, but, on the other hand, also result in negative effect − when affect constructions and natural environment in the vicinity of a blasting works site. If the vibrations are large enough, then the nearby objects could be damaged or destroyed. This article highlights the results of the blasting operation monitoring in limestone Lopušné Pažite quarry on Slovakia, which based on the rule that the negative effects depend on their range and strength. This method is applied in all quarries in Slovakia, which are close to settlements.

scholarly journals Impact of Protein Diet Supplements on Athletes

2021 ◽  
Vol 6 (2) ◽  
pp. 1-3
Author(s):  
Mohammad Athar
Keyword(s):  
Muscle Growth ◽  
The Body ◽  
Protein Diet ◽  
Negative Effects ◽  
Protein Supplements ◽  
Diet Supplements ◽  
Negative Effect ◽  
The Impact ◽  
Protein Diets ◽  
Day By Day

Protein supplements are one of the most commonly consumed nutritional supplements, whether by professional athletes or amateurs, even by those who use them for aesthetic purposes instead of sporting ones. The thirst for becoming better is increasing day by day and so is the quest for competition. Sports have been one of the greatest of platforms to showcase one’s talent, thus leading to constant hustle for getting better day by day. To improve the performance, diet and physical appearance of the body i.e. muscle growth of athletes, sports nutrient products are developed. The use of these protein supplements in diet has increased the physiological requirement of protein but whether the use of these supplements is having positive or negative effect on the host is still a topic of debate for many. Large amount of protein derived constituents end up in the large intestine in case of high protein diets as compared to medium or low protein diets, leading to more bacterial amino acid metabolism in colon having positive as well as negative effects on the host. We, here, will try to summarize the impact of protein diet supplements on athletes.

scholarly journals Effects of COVID-19-Related School Closures on Student Achievement-A Systematic Review

2021 ◽  
Vol 12 ◽  
Author(s):  
Svenja Hammerstein ◽  
Christoph König ◽  
Thomas Dreisörner ◽  
Andreas Frey
Keyword(s):  
Student Achievement ◽  
Low Socioeconomic Status ◽  
Evidence Based ◽  
Negative Effects ◽  
School Closures ◽  
Low Socioeconomic ◽  
Primary And Secondary Education ◽  
Negative Effect ◽  
The Impact ◽  
Future School

The COVID-19 pandemic led to numerous governments deciding to close schools for several weeks in spring 2020. Empirical evidence on the impact of COVID-19-related school closures on academic achievement is only just emerging. The present work aimed to provide a first systematic overview of evidence-based studies on general and differential effects of COVID-19-related school closures in spring 2020 on student achievement in primary and secondary education. Results indicate a negative effect of school closures on student achievement, specifically in younger students and students from families with low socioeconomic status. Moreover, certain measures can be identified that might mitigate these negative effects. The findings are discussed in the context of their possible consequences for national educational policies when facing future school closures.

scholarly journals Vitamin D Regulatory Effect on Restraint Stress-Induced Changes on Serum Corticosterone and Hippocampus BDNF Levels in Male Rats

2021 ◽  
Vol In Press (In Press) ◽  
Author(s):  
Katayoun Sedaghat ◽  
Sara Choobdar ◽  
Ahmad Reza Bandegi ◽  
Zahra Ghods
Keyword(s):  
Vitamin D ◽  
Chronic Stress ◽  
Restraint Stress ◽  
Male Rats ◽  
Negative Effects ◽  
Bdnf Level ◽  
Serum Corticosterone ◽  
Protein Levels ◽  
Induced Changes ◽  
The Impact

Background: Chronic stress exerts negative effects on cognitive functions through inducing changes in the hippocampus. Brain-derived neurotrophic factor (BDNF) is an essential factor in cognitive activities, which is considerably reduced under chronic stress. 1,25(OH)2 vitamin D plays neuroprotective roles partially by regulating the expression of various neurotrophic factors. Objectives: Since few studies have studied the impact of vitamin D on BDNF level, we conducted this brief experiment to understand the role of vitamin D in maintaining hippocampal BDNF protein levels by using restraint as a model of chronic stress in rats. Methods: Rats underwent restraint stress 3 h/day for 28 days, during which they received vitamin D (5, 10 μg/kg) or its vehicle (IP, twice weekly). After the stress period, serum corticosterone (CORT) and hippocampus BDNF protein levels were measured. Results: Restraint stress increased serum CORT (P < 0.001) and reduced BDNF protein levels (P < 0.001) as compared to the non-stress group. Vitamin D markedly maintained BDNF level close to normal (P < 0.001), but did not change CORT level significantly. Conclusions: This study demonstrated that 3h/day of chronic restraint stress for 28 days boosted serum CORT and declined hippocampal BDNF levels, similar to stronger restraint stress models. Vitamin D maintained BDNF level close to normal in the hippocampus, but it did not affect CORT level significantly.

scholarly journals Effects of COVID-19-Related School Closures on Student Achievement—A Systematic Review

2021 ◽  
Author(s):  
Svenja Hammerstein ◽  
Christoph König ◽  
Thomas Dreisoerner ◽  
Andreas Frey
Keyword(s):  
Student Achievement ◽  
Low Socioeconomic Status ◽  
Evidence Based ◽  
Negative Effects ◽  
School Closures ◽  
Low Socioeconomic ◽  
Negative Effect ◽  
K 12 ◽  
The Impact ◽  
Future School

The COVID-19 pandemic led to numerous governments deciding to close schools for several weeks in spring 2020. Empirical evidence on the impact of COVID-19-related school closures on academic achievement is only just emerging in the literature. The present work aimed to provide a first systematic overview of evidence-based studies on general and differential effects of COVID-19-related school closures in spring 2020 on student achievement in K–12. The findings indicate a considerably negative effect of school closures on student achievement specifically in younger students and students from families with low socioeconomic status. At the same time, certain measures can be identified that might mitigate these negative effects. The findings are discussed in the context of their possible consequences for future national educational policies when facing future school closures.

scholarly journals Collembolan Assemblages Response to Wild Boars (Sus scrofa L.) Rooting in Pine Forest Soil

Forests ◽  
2020 ◽  
Vol 11 (11) ◽  
pp. 1123
Author(s):  
Marek Sławski ◽  
Małgorzata Sławska
Keyword(s):  
Forest Floor ◽  
Terrestrial Ecosystems ◽  
Functional Structure ◽  
Negative Effects ◽  
Soil Microarthropods ◽  
Wild Boars ◽  
Disturbed Soil ◽  
Negative Effect ◽  
Pine Forest Soil ◽  
The Impact

Collembola are an important component of soil communities in all terrestrial ecosystems. In temperate coniferous forests, they are one of the most numerous invertebrate groups, and disturbances that change their density and structure may have negative effects on soil fertility and productivity. Our goal was to determine whether intensive rooting in the forest floor by wild boars affects edaphic Collembola. Soil samples from three paired rooted and non-rooted plots in Scots pine stands were taken twice a year to study the impact of such bioturbation on forest collembolan assemblages. Substantial changes in the taxonomic and functional structure of the collembolan assemblages were identified in all disturbed plots. The abundance and number of species significantly decreased in the bioturbated forest floor. The shares of atmobiotic and hemiedaphic springtails increased at the expense of epedaphic forms. Most of the differences were evident shortly after grubbing but were not significant a few months later. The decline in moisture in disturbed soil could be an explanatory factor causing the differences in the structure and abundance of collembolan assemblages between the bioturbated and intact plots. Our study revealed that large mammals ubiquitous in forest ecosystems can be an important disturbing factor for soil microarthropods. Intensive wild boar rooting in the forest floor had a strong negative effect on the occurrence and abundance of Collembola. This kind of bioturbation also modified the functional structure of assemblages, which in turn may have important consequences for the soil food web and above- and belowground interactions.

scholarly journals MANAGING KNOWLEDGE-RELATED BARRIERS TO TECHNOLOGICAL INNOVATION THROUGH EXPLOITATIVE AND EXPLORATIVE ORGANISATIONAL STRATEGIES

2019 ◽  
Vol 23 (04) ◽  
pp. 1950035 ◽  
Author(s):  
NUTTANEEYA (ANN) TORUGSA ◽  
WAYNE O’DONOHUE
Keyword(s):  
Firm Performance ◽  
Technological Innovation ◽  
Hierarchical Regression ◽  
Business Success ◽  
Negative Effects ◽  
Negative Interaction ◽  
Negative Effect ◽  
The Impact ◽  
Workplace Creativity

This study uses data from a sample of 31,948 European innovating firms to examine the impact that knowledge-related barriers to technological innovation have on the link between the level of such innovation and firm performance, and, to investigate the role of “exploitative” and “explorative” organisational strategies in moderating such impact. Exploitative strategies are measured by the level of organisational innovations, and exploratory strategies are measured by the level of methods for fostering workplace creativity. Using moderated hierarchical regression, the results reveal a negative effect of the interaction between technological innovation and related knowledge constraints on firm performance. They also reveal that the negative interaction effect becomes positive at high levels of organisational innovations and creativity-fostering methods. The study findings thus indicate the need for managers of technologically innovative firms to implement both exploitative and explorative organisational strategies. Doing so could help minimise the negative effects of knowledge-related barriers to technological innovation, and in turn promote innovation-based competitiveness and business success.

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