Bacteria reveals human migrations. Medical search. Frequent questions

Fungi are more important as plant pathogens, with few of the more than 100,000 known species being pathogenic for humans. (ufl.edu)
Microbiology is the branch of science that focuses on the study of microorganisms, including bacteria, viruses, fungi, and protozoa. (retech2010.com)
During the last decades, it has been shown that several biological systems including human cells, fungi, yeasts, bacteria, diatoms, algae, and plants can convert inorganic metal ions into metal NPs through reducing capacities. (degruyter.com)
WHEN WE ARRIVE IN a new environment that contains unfamiliar pathogens i.e. disease-inducing bacteria, parasites, viruses or fungi, we are more susceptible to illness. (lu.se)
Using micro-engineered soil models, researchers at Lund University in Sweden have investigated the effect of tiny polystyrene particles on bacteria and fungi. (lu.se)

The stomach bacterium Helicobacter pylori is one of the most prevalent human pathogens. (blogspot.com)
January 8'''==== ---- * Researchers from Germany and their international colleagues have found aggressive intestinal bacteria Helicobacter pylori in a 5300-year-old mummy, famously known as Ötzi - the Copper Age man, discovered frozen in a European glacier in 1991, shedding new light on the history of human migration. (dailypositive.org)
Helicobacter pylori (Hp) is a gram-negative bacillus responsible for one of the most common infections found in humans worldwide. (medscape.com)
Helicobacter pylori infection revealed by endoscopy (nodular gastropathy). (medscape.com)

Bird migrations might facilitate the spread of these pathogens into new areas. (cdc.gov)
While bacteria are important human, animal and plant pathogens, the vast majority are harmless, a vital part of sustaining life on earth. (ufl.edu)
As the distance from tropical Africa increases, both the number of pathogens and MHC diversity decreases among humans. (lu.se)
In addition, they are exposed to diseases and pathogens during the migration itself, when they stopover in different places. (lu.se)
This resistance to antimicrobial medicines is happening in all parts of the world for a broad range of pathogens, with an increasing prevalence that threatens human and animal health. (who.int)

1966 Norton D. Zinder for his discovery of RNA bacteriophages, a new class of bacteria-attacking viruses, which have provided researchers with a highly valuable and convenient method of studying fundamental processes in all living cells. (wikipedia.org)
Migratory birds can be biological and mechanical carriers of viruses, bacteria, and protozoa. (cdc.gov)
The bottom line here is that cabbage may contain some anticancer properties, but it cannot "stimulate" the immune system or kill bacteria and viruses. (cancerdietitian.com)
Viruses infective to humans are not usually found in animal waste - bird flu is an important exception. (ufl.edu)
Human waste is a definite hazard (enteric viruses), though not normally a risk when gardening except in exceptional circumstances. (ufl.edu)
Sanmenxia Clade 2.3.2.1c-like H5N1 viruses possess the closest genetic identity to A/Alberta/01/2014 (H5N1), which recently caused a fatal respiratory infection in Canada with signs of meningoencephalitis, a highly unusual symptom with influenza infections in humans. (nature.com)
Due to the geographical location of Sanmenxia, these novel H5N1 viruses also have the potential to be imported to other regions through the migration of wild birds, similar to the H5N1 outbreak amongst migratory birds in Qinghai Lake during 2005. (nature.com)
The Qinghai-like Clade 2.2 virus was found to possess a high genetic relationship with viruses isolated from other countries on the migratory flyway of wild birds 4 , suggesting that the migration of wild birds played an important role in circulating H5N1 HPAIV viruses between the different avian populations. (nature.com)
Microbes, such as bacteria and viruses, can have profound effects on animal health and behavior. (retech2010.com)

Importantly, Pääbo also found that gene transfer had occurred from these now extinct hominins to Homo sapiens following the migration out of Africa around 70,000 years ago. (nobelprize.org)
Research provided evidence that the anatomically modern human, Homo sapiens, first appeared in Africa approximately 300,000 years ago, while our closest known relatives, Neanderthals, developed outside Africa and populated Europe and Western Asia from around 400,000 years until 30,000 years ago, at which point they went extinct. (nobelprize.org)
We've known for a long time that modern humans originated in Africa … but what we haven't known until this study was where exactly this homeland was. (insidescience.org)
Studies involving humans show that the selective pressure is higher in tropical Africa than here in the north. (lu.se)
A fascinating study using the ability of molecular fingerprinting ([multilocus sequence typing [MLST]) reported on following the spread of H pylori by human ancestral roots from Africa. (medscape.com)
Moodley et al estimated that H pylori is approximately as old as modern humans and that migration out of Africa occurred in several waves, the first one 60,000 years ago and the second 52,000 years ago. (medscape.com)
For this theory, the pathogen spread out of Africa with humans prior to the 15th century. (cdc.gov)

These Bronze Age migrations resulted in gene flow across vast areas, ultimately linking pastoralist populations in Scandinavia with groups that expanded into Siberia. (scitechdaily.com)
It appears that the Bronze Age migrations coincided with a simple but important dietary shift - the adoption of milk drinking. (scitechdaily.com)
This is the first evidence that the plague bacterium had spread to Britain from continental Europe in the Bronze Age. (newscientist.com)

In January 2018, Institut Pasteur adopted a new strategic plan for 2019-2023, to boost basic research and increase its impact on human health, with. (pasteur.fr)
Nov. 23, 2023 A new study suggests that E. coli bacteria may have a higher capability to evolve antibiotic resistance than previously believed. (sciencedaily.com)

Analysis revealed that both had died of the plague - caused by a bacterium called Yersinia pestis - and that the same strain had infected them. (cosmosmagazine.com)
A 1999 paper used a genetic analysis to conclude that Y. pestis had evolved from a related bacterium, Yersinia pseudotuberculosis , between 1500 and 20,000 years ago. (cosmosmagazine.com)

Some soil inhabiting bacteria can form extremely resilient spores, whilst many of those causing intestinal disease can be destroyed by elevated temperatures. (ufl.edu)
Tetanus is acquired through exposure to the spores of the bacterium Clostridium tetani, which is universally present in the environment. (who.int)

Well known protozoan parasites of humans include those causing malaria and sleeping sickness. (ufl.edu)
Flat worms / tapeworms and roundworms are two groups of simple multicellular organisms that are important parasites of humans/animals, often with complex life cycles, usually involving two or more hosts, and/or an extensive migratory phase within the final host. (ufl.edu)

Bacteria, unicellular microorganisms differing from animal cells in not having their DNA in a cell nucleus (a conspicuous membrane bound structure). (ufl.edu)

Antimicrobial peptides are promising agents for the treatment of bacterial infections and recent studies indicate that Pep19-2.5, a synthetic anti-lipopolysaccharide (LPS) peptide (SALP), efficiently neutralises pathogenicity factors of Gram-negative (LPS) and Gram-positive (lipoprotein/-peptide, LP) bacteria and protects against sepsis. (nature.com)
This is particularly relevant for bacterial skin and soft-tissue infections (SSTIs) being most commonly caused by multidrug-resistant bacteria with Staphylococcus aureus as predominant causative Gram-positive bacterium and Pseudomonas aeruginosa as most frequent Gram-negative bacterium and having fatal consequences if treated unproperly 2 . (nature.com)
This ancient flow of genes to present-day humans has physiological relevance today, for example affecting how our immune system reacts to infections. (nobelprize.org)
As of 31 March 2015, H5N1 virus caused at least 826 laboratory-confirmed human infections, including 440 deaths across 16 countries 2 . (nature.com)
Direct or indirect contact with diseased poultry is the primary route of HPAIV infections in humans 3 . (nature.com)
Resistance that develops in one organism or location can also spread rapidly and unpredictably, through for instance exchange of genetic material between different bacteria, and can affect antibiotic treatment of a wide range of infections and diseases. (who.int)

This was a considerable accomplishment, which allowed subsequent studies of the genetic relationship between different human populations. (nobelprize.org)
Systematic analysis of genome-wide data, using multiple robust statistical methods, on (i) 367 unrelated individuals drawn from 18 mainland and 2 island (Andaman and Nicobar Islands) populations selected to represent geographic, linguistic, and ethnic diversities, and (ii) individuals from populations represented in the Human Genome Diversity Panel (HGDP), reveal four major ancestries in mainland India. (blogspot.com)
Analysis of ancestral haplotype blocks revealed that extant mainland populations (i) admixed widely irrespective of ancestry, although admixtures between populations was not always symmetric, and (ii) this practice was rapidly replaced by endogamy about 70 generations ago, among upper castes and Indo-European speakers predominantly. (blogspot.com)
Drug-resistant bacteria can circulate in populations of human beings and animals, through food, water and the environment, and transmission is influenced by trade, travel and both human and animal migration. (who.int)

Fossil records indicate that mounds of bacteria once covered young Earth. (utah.edu)

A number of human diseases arise from mutations in VWA domains. (embl.de)
In microbiology, statistics aids in analyzing data from experiments investigating the efficacy of antibiotics, the spread of infectious diseases, or the impact of microbial communities on human health. (retech2010.com)
One idea is that small birds have a particularly good immune system because of seasonal migration, which means having to resist many different diseases at breeding, stopover and wintering sites. (lu.se)

This strain doesn't have a genetic mutation that enabled later forms of the bacteria to be spread by fleas. (newscientist.com)
By revealing genetic differences that distinguish all living humans from extinct hominins, his discoveries provide the basis for exploring what makes us uniquely human. (nobelprize.org)
Genetic and phylogenetic analyses revealed that this Sanmenxia H5N1 virus was a novel reassortant, possessing a Clade 2.3.2.1c HA gene and a H9N2-derived PB2 gene. (nature.com)

Now a new study led by researchers from the Max Planck Institute for the Science of Human History in Jena, Germany has revealed a critical clue and it might come as a surprise. (scitechdaily.com)
UNSW researchers have linked the burden of humpback whales' annual migration to depleted microbial diversity in their airways - an indicator of overall health. (edu.au)
In a paper published in 2015, for instance, researchers reported DNA from the bacterium retrieved from 5000-year-old human teeth. (cosmosmagazine.com)
Johns Hopkins researchers have found a way to directly observe cell migration -- in real time and in living tissue. (news-medical.net)
University of Florida researchers have revealed how the inhaled form of anthrax paralyzes the body's defenses and prevents immune cells from reaching the site of infection. (news-medical.net)
The rock outcrop known as Kubu Island in Botswana lies within the region where some researchers claim modern humans first evolved. (insidescience.org)
The researchers concluded that this region, which they call the Makgadikgadi-Okavango paleo-wetland, is where the ancestors of all modern-day humans evolved. (insidescience.org)

Baleen plates - the signature bristle-like apparatus toothless whales use to feed - reveal how these large aquatic mammals adapt to environmental changes over time. (edu.au)
German and French scientists have revealed that the giant ape Gigantopithecus went extinct 100,000 years ago, due to its inability to adapt, as revealed on 4 January 2016. (dailypositive.org)
Antibiotic resistance develops when bacteria adapt and grow in the presence of antibiotics. (who.int)

The bacterium that causes the plague first arrived in Britain at least 4000 years ago, DNA evidence from ancient people has revealed. (newscientist.com)
Bubonic plague, the lethal, virulent bacterium behind the Justinian Plague and the Black Death, emerged in humans about 4000 years ago, a millennium earlier than previously thought. (cosmosmagazine.com)

The stagnation in the development of new antibiotics and the concomitant high increase of resistant bacteria emphasize the urgent need for new therapeutic options. (nature.com)
Resistant bacteria can be found in food animals and food products destined for consumption by humans. (who.int)

Eukaryotic signalling domain homologues in archaea and bacteria. (embl.de)
Phyletic distributions of eukaryotic signalling domains were studied using recently developed sensitive methods for protein sequence analysis, with an emphasis on the detection and accurate enumeration of homologues in bacteria and archaea. (embl.de)

Our study reveals that the high diversity of actinobacterial strains and their NPs derivatives, described here provides a new perspective and direction for the production of new anti-CRC drugs and paves the way to innovation for drugs discovery in the future. (frontiersin.org)
What can trait diversity reveal about the sustainability of forest management? (lu.se)

The lack of such northerly sites prior to 45,000 years ago makes it quite likely that this mammoth kill was made by modern humans (it would be quite a coincidence if it was made by Neandertals at the same time as the expansionary Homo sapiens make their appearance all over the rest of Eurasia). (blogspot.com)
If this is right, it's quite remarkable that by the mid to late 40,000s, modern humans were at ease from the equator to the arctic and from Europe to the remotest parts of Asia. (blogspot.com)
Modern humans arose in a fertile wetland centered on what is now northern Botswana, then spread northeast and southwest in two migration waves between 130,000 and 110,000 years ago. (insidescience.org)
According to the new study, modern humans arose 200,000 years ago in a wetland surrounded by inhospitable desert. (insidescience.org)

Some of the oldest cells on Earth are single-cell organisms called bacteria. (utah.edu)
Bacteria are single-celled organisms with a circular DNA molecule and no organelles. (utah.edu)
They study how microbes interact with their environment, other organisms, and the human body. (retech2010.com)
H pylori organisms are spiral-shaped gram-negative bacteria that are highly motile because of multiple unipolar flagella. (medscape.com)

Many parents don't realize how easily E. coli and other toxic bacteria in dog waste are transmitted to children. (sgtpoopers.com)
Research suggests that E. Coli bacteria are becoming more common in our food sources as it adapts to climate change. (ecowatch.com)

A chemical screening approach revealed that quinine effectively prevented heme effects on the cytoskeleton, restored phagocytosis and improved survival in sepsis. (ox.ac.uk)

As a result of the rapid advances in genetics technology and the Human Genome Project, most of the estimated 100,000 genes in humans will be identified by the year 2005 (1). (cdc.gov)

While most of the milk peptides pointed to species like cow, sheep, and goat, which was not surprising in light of the associated archaeological remains, calculus from a couple of individuals revealed an unexpected species: horse. (scitechdaily.com)
A UNSW study shows airway bacteria can indicate the health of dolphins and whales -- a finding that could benefit endangered species like the northern right and blue whales. (edu.au)
The smallest member of the filter-feeding family is one of the only whale species not to embark on seasonal migrations, new research finds. (edu.au)
Instead of looking for specific pieces of DNA from individual species, we basically sequenced everything in there, from bacteria to animals," Willerslev said. (science20.com)
Known as the sixth mass extinction, a 2019 UN report revealed that up to a million plant and animal species could become extinct within decades. (ecowatch.com)
For example, statistical models can reveal patterns in migration routes or identify factors contributing to the decline of a particular species. (retech2010.com)

We found DNA from Rickettsia aeschlimannii , R. africae , and R. raoultii bacteria, all of which can cause disease in humans. (cdc.gov)
The bottled water industry promotes an image of purity, but comprehensive testing by the Environmental Working Group (EWG) reveals a surprising array of chemical contaminants in every bottled water brand analyzed, including toxic byproducts of chlorination in Walmart's Sam's Choice and Giant Supermarket's Acadia brands, at levels no different than routinely found in tap water. (ewg.org)

Analysis of mitochondrial DNA from people around the world has revealed many clues about ancient human migration patterns. (utah.edu)
Advanced analytics and machine learning can reveal patterns and anticipate problems. (kalypso.com)

The extant European population of H. pylori is known to be a hybrid between Asian and African bacteria , but there exist different hypotheses about when and where the hybridization took place, reflecting the complex demographic history of Europeans. (blogspot.com)

Overall, this study reveals the impact of cln5 -deficiency on gene expression in D. discoideum , provides insight on the genes and proteins that play a role in regulating Cln5-dependent processes, and sheds light on the molecular mechanisms underlying CLN5 disease. (frontiersin.org)
Using the faster and more efficient sequencing technology that has been developed over the past decade, we have recently established that it's true that small birds - passerines - have many more MHC genes per individual than humans and other mammals. (lu.se)

Map outlining the opening of the human migration routes in North America revealed by the results presented in this study. (science20.com)

The endosymbiotic theory describes how a large host cell and ingested bacteria could easily become dependent on one another for survival, resulting in a permanent relationship. (utah.edu)
With respect to survival rates of bacteria, AO and HT showed a significant reduction over time compared to MA. (srcinhibitors.com)

This virus was highly pathogenic in chickens and humans and posed a significant threat to public health. (nature.com)

Antonio Fornaciari] Syphilis is an infectious disease, sexually transmitted, caused by the bacteria Treponema pallidum . (cdc.gov)
All these lesions harbor bacteria and are infectious. (cdc.gov)

Through his pioneering research, Svante Pääbo accomplished something seemingly impossible: sequencing the genome of the Neanderthal, an extinct relative of present-day humans. (nobelprize.org)
However, studies of the relationship between present-day humans and the extinct Neanderthals would require the sequencing of genomic DNA recovered from archaic specimens. (nobelprize.org)

The most serious manifestation of the virus infection is fatal encephalitis (inflammation of the brain) in humans and horses, as well as mortality in certain domestic and wild birds. (thayerbirding.com)

Plague may seem like an ancient disease, but the bacterium that causes it persists in rodents and fleas around the world. (newscientist.com)

In the wake of urbanization and industrialization in China, domestic migration will be increasingly frequent. (who.int)

Our results won't make everyone happy, but they are very clear," says Professor Nicole Boivin, senior author of the study and Director of the Department of Archaeology at the MPI Science of Human History. (scitechdaily.com)
The study reveals that most of these NPs are derived from marine actinobacteria followed by terrestrial and endophytic actinobacteria, respectively. (frontiersin.org)
Glowing spider fossils prompt breakthrough study of how they were preserved at Aix-en-Provence. (scitechdaily.com)
Despite high-profile study, the ancestors of humans living today likely evolved in many places at once, say critics. (insidescience.org)
We could pinpoint what we believe is our own human homeland," said study author Vanessa Hayes of the Garvan Institute of Medical Research in Australia during a press briefing. (insidescience.org)

Is the immune system of small birds better than that of humans and other mammals? (lu.se)
MHC (Major Histocompatibility Complex) is a complex of proteins that constitutes an important part of the immune system, helping to reveal the presence of bacteria or a virus in cells, for example. (lu.se)

The scientists, working in a special hydrogel with properties they can change in a controlled manner, first grew a parent blood vessel from human blood vessel lining cells. (mpg.de)

If you ask the public how early humans got to America, they will say a land bridge from Siberia. (science20.com)

In LPS-stimulated human monocyte-derived dendritic cells and Langerhans-like cells, the peptides blocked IL-6 secretion, downregulated expression of maturation markers and inhibited dendritic cell migration. (nature.com)
Furthermore, SALPs markedly promoted cell migration via EGFR transactivation and ERK1/2 phosphorylation and accelerated artificial wound closure in keratinocytes. (nature.com)

Over the past 30 years, the body has been prodded and poked by experts worldwide, offering clues about everything from the evolution of our microbiome to ancient human migration and what people ate in the Copper Age. (atlasbiomed.com)

The development of this draft global action plan on antimicrobial resistance, requested by the Health Assembly in resolution WHA67.25 in May 2014, reflects a global consensus that antimicrobial resistance poses a profound threat to human health. (who.int)

Scientists have identified a distinct subpopulation of cancer stem cells (CSCs) that is responsible for metastasis of a deadly human pancreatic cancer. (news-medical.net)
Mitochondrial Eve need not have been a modern human, but she gave rise to two major branches of descendants, and scientists use the mutations that have accumulated on these branches to tell them apart. (insidescience.org)
Scientists have been studying the connection between human activity and the effect on the climate since the 1800s, although it took until the 1950s to find evidence suggesting a link. (ecowatch.com)

Multivariate analyses revealed that environmental conditions in La Sabana are spatially and temporally heterogeneous. (mdpi.com)

Still, the fact that what is presumed to be a rodent disease was capable of migration to this degree is notable. (newscientist.com)
Even more elemental prions (protein particles) are the causative agent of bovine spongiform encephalitis ('mad cow' disease) and linked to variant Creutzfeld Jacob disease (vCJD) in humans. (ufl.edu)
The West Nile Virus and Lyme disease are much more of a threat to humans. (thayerbirding.com)
Actually the cause of the 'disease' is a bacterium called , Mycoplasma gallisepticum which typically causes respiratory ailments in domestic birds. (thayerbirding.com)
Microbes are ubiquitous and play essential roles in various ecological processes, human health, and disease. (retech2010.com)
Disease Control and Prevention (CDC), U.S. Department of Health and Human Services, Atlanta, GA 30333. (cdc.gov)
This disease, this stage of disease, is more frequently diagnosed by the paleopathologist in ancient human bones because the bones are affected by typical lesions on cranium and on the long bones. (cdc.gov)

One grave contained two people, and dating evidence revealed that they had been interred together 3800 years ago. (cosmosmagazine.com)
Archaeological evidence for human dispersal through northern Eurasia before 40,000 years ago is rare. (blogspot.com)
From 130,000 to 110,000 years ago, increased rainfall opened green corridors to the northeast and southwest, allowing humans to disperse. (insidescience.org)

5. POTENTIAL FOR HUMAN EXPOSURE include individuals living in the vicinity of gasoline service stations or tank farms or near leaking underground storage tanks. (cdc.gov)
Public health officials and others concerned with appropriate actions to take at hazardous waste sites may want information on levels of exposure associated with more subtle effects in humans or animals (LOAELs) or exposure levels below which no adverse effects (NOAELs) have been observed. (cdc.gov)

Our ecological protocols are designed to safeguard human and pet health, maintain the balance of nature, and protect land and water resources. (sgtpoopers.com)

It has dispersed globally with its human host, resulting in a distinct phylogeographic pattern that can be used to reconstruct both recent and ancient human migrations. (blogspot.com)

Bacteria can release endotoxins like lipopolysaccharide (LPS) or other pathogenicity factors such as lipopoteins/peptides (LP) from their cell envelope, even due to treatment with conventional antibiotics, being able to activate Toll-like receptors (TLRs) and induce a strong inflammatory response. (nature.com)

Mitochondria and chloroplasts have striking similarities to bacteria cells. (utah.edu)
Additionally, cln5 - cells displayed increased intracellular and extracellular amounts of discoidin, which is involved in cell-substrate adhesion and migration. (frontiersin.org)
Notably, cln5 - cells displayed reduced β-hexosaminidase activity, which aligns with previous work showing that D. discoideum Cln5 and human CLN5 can cleave the substrate acted upon by β-hexosaminidase. (frontiersin.org)
Many neuronal disorders, including epilepsy, schizophrenia and lissencephaly - a form of mental retardation - result from abnormal migration of nerve cells during the development of the brain. (news-medical.net)
However, the specific life cycle of tardigrades, where energy intake and depletion, egg development, and moulting is highly intertwined and synchronized, make conclusions about the functional role of mitosis in storage cells difficult, however, and more studies are needed to reveal the mechanisms inducing mitosis in these interesting cells. (researchgate.net)

But across what is now northern Botswana and extending slightly into Namibia and Zimbabwe, there was a lush, lake-dotted oasis -- the perfect place for ancient humans to have lived, according to Axel Timmermann, a climate scientist at Pusan National University in South Korea, who developed the climate model and is one of the study's authors. (insidescience.org)
Despite efforts from forward thinkers such as SpaceX Founder Elon Musk to colonize Mars, Earth remains our home for the foreseeable future, and the more human activity negatively impacts the climate, the less habitable it will become. (ecowatch.com)
Many of these factors are already contributing to climate migration, forcing large numbers of people to relocate to other parts of the world in search of better living conditions. (ecowatch.com)

These detrimental effects are commonly considered to be a consequence of heme-iron serving as a nutrient for bacteria. (ox.ac.uk)
In west Siberia, the northernmost find of that age is located at 57°N. Elsewhere, the earliest presence of humans in the Arctic is commonly thought to be circa 35,000 to 30,000 years before the present. (blogspot.com)

The research reveals that indoles and isothiocyanates can inhibit the development of cancer in the bladder, breast, colon, liver, lung, and stomach. (cancerdietitian.com)
That's the finding from research conducted by Kirsten Bos of the Max Planck Institute for the Science of Human History in Germany, and published in the journal Nature Communications . (cosmosmagazine.com)
Recent research by the Polaris Institute in Ottawa, Canada, reveals that since 2002 Monsanto has lost $545 million in international royalty payments with no significant relief in sight. (cropchoice.com)

Bos and colleagues examined nine human skeletons buried in ancient tombs at a site in Russia. (cosmosmagazine.com)

The indirect impact of antimicrobial resistance, however, extends beyond increased health risks and encompasses economic losses due to reduced productivity caused by sickness (of both human beings and animals) and higher costs of treatment. (who.int)

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4000 years ago2

Resistant2

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Patterns2

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