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MOSTLY MICROBES AND INFECTIOUS DISEASES

Welcome to Mostly Microbes and Infectious Diseases. David Ojcius posts newspaper and journal articles in the broad field of microbiology.

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How legumes give oxygen to symbiotic bacteria in their roots

#symbiosis #microbiology #plantbiology #agriculture Researchers identified 2 transcription factors that control how much leghemoglobin is made in legume nodules. Leghemoglobin binds to oxygen & is red & gives legume nodules their pink color. Scientists discover the genetics inside legumes that control the production of an oxygen-carrying molecule, crucial to the plant's close relationships with nitrogen-fixing bacteria. The finding offers the potential to give other plants th

Microbes anyone? Study outlines huge potential of solar-powered protein

Microbes anyone? Study outlines huge potential of solar-powered protein. A new study suggests that farming protein from microbes could be a more sustainable & efficient system than our current #agriculture. Sadly agriculture isn’t the most efficient process, requiring huge amounts of land and resources, and as the human population grows, our food supply will be put under increasing stress. But a new study has shown that farming protein from microbes could be a more sustainabl

Irish potato famine pathogen stoked outbreaks on six continents

#microbiology #agriculture #plants #potatoes #Phytophthora North Carolina State University researchers continue to track the evolution of different strains of the plant pathogen that caused the Irish potato famine in the 1840s, which set down roots in the United States before attacking Europe. NC State plant pathologists studied the genomes of about 140 pathogen samples—historic and modern—from 37 countries on six continents to track the evolution of differing strains of Phyt

Aspergillus flavus occurrence and aflatoxin B1 contamination associated with peanut

#microbiology #mycology #Aspergillus #microbiota #environment #agriculture #fungi #food #soil Aflatoxin B1 is a strong carcinogenic and toxic fungal toxin produced by Aspergillus flavus and other Aspergillus species, and can seriously threaten the health of consumers and the safety and quality of agricultural products. Aspergillus in agricultural products are closely related to topography and symbiotic microbes. It is not fully clear that how topography affects the assembly p

Analysis of phylloplane and rhizoplane endophytic bacteria in different cocoa production systems

#Amazon #microbiology #agriculture #Brazil Endophytic bacteria colonize different internal tissues of plants without damaging their cells. They can establish themselves in the same niche as other microorganisms and develop antagonistic activities against phytopathogens. There is little research on the functional and morphological characterization of these bacteria in production systems in the Amazon. Thus, the objective of this work was to functionally and morphologically cha

Quadruple protection procedure for resuming pig production in small-scale ASFV+ farms in China

#AfricanSwineFever #ASF #agriculture #virology #pigs #pork African swine fever (ASF) outbreak has caused serious economic losses in Asia since 2018. As ASF is a new emerging disease, many farmers hesitate to raise pigs before biosafety procedures were evaluated to be effective. To support small-scale farms in resuming pig production, a comprehensive procedure, called the quadruple protection procedure (QPP), was tested in 35 small farms which had been confirmed with African s

Soil bacteria could improve crop yields, via fungi

#microbiology #environment #agriculture Researchers have discovered a distinct group of bacteria that may help fungi & plants acquire soil nutrients. The findings could point the way to cost-effective and eco-friendly methods of enriching soil and improving crop yields. https://news.cornell.edu/stories/2021/04/soil-bacteria-could-improve-crop-yields-fungi

Antibiotic resistance in agriculture: strategies to overcome upsurge in resistance

#AntibioticResistance is a massive problem rising constantly and spreading rapidly since the past decade. The major underlying mechanism responsible for this problem is an overuse or severe misuse of antibiotics. Regardless of this emerging global threat, antibiotics are still being widely used, not only for treatment of human infections, but also to a great extent in #agriculture, livestock and animal husbandry. If the current scenario persists, we might enter into a post-an

Tissue-specific diversity of bacterial endophytes in Mexican husk tomato plants

Tissue-specific diversity of bacterial endophytes in Mexican husk tomato plants (Physalis ixocarpa Brot. ex Horm.), & screening for their multiple plant growth-promoting activities #openaccess #agriculture #microbiology The endophytic bacterial diversity of root, stem, and leaf tissues of Mexican husk tomato plants (Physalis ixocarpa) was compared and deciphered, and screened for their plant growth-promoting activity and antagonism against fungal phytopathogens. Total 315 iso

Plant evolution driven by interactions with symbiotic and pathogenic microbes

Plant #evolution driven by interactions with symbiotic and pathogenic microbes Mosses, liverworts, and hornworts have layered innovation onto existing pathways to build new microbial interactions. Such innovations may be transferrable to crop plants with an eye toward building a more sustainable #agriculture. #microbiology #symbiosis https://science.sciencemag.org/content/371/6531/eaba6605.full

Phages: Viruses that Infect Bacteria

A new genetic approach can accelerate the study of phage-microbe interactions with implications for #health, #agriculture, and #climate. Scientists are continually searching for new and improved ways to deal with bacteria, be it to eliminate disease-causing strains or to modify potentially beneficial strains. And despite the numerous clever drugs and genetic engineering tools humans have invented for these tasks, those approaches can seem clumsy when compared to the finely tu

New Journal: Current Research in Microbial Sciences

Introducing new journal: "Current Research in Microbial Sciences" publishes articles in all areas of the broad field of #microbiology, the study of microorganisms & their biological interactions with human beings & other life. Current Research in Microbial Sciences is a gold open access (OA) journal, which means articles are permanently and freely available. #health #bacteriology #virology #parasitology #environment #agriculture https://www.journals.elsevier.com/current-resea

Current Research in Microbial Sciences

Current Research in Microbial Sciences is a new journal that specializes in the field of microbiology, the study of microorganisms and/or microbes and their interaction with the environment, plants, human beings, and other species. #health #immunology #microbiology #environment #virology #bacteriology #agriculture https://t.co/4H0a1H6yCw?amp=1

Gene editing with CRISPR has made pigs immune to a deadly epidemic, PRSS

#CRISPR #epidemic #porcine #microbes #infection #agriculture When covid-19 began to race around the world, countries closed businesses and told people to stay home. Many thought that would be enough to stop the coronavirus. If we had paid more attention to pigs, we might have known better. When it comes to controlling airborne viruses, says Bill Christianson, “I think we fool ourselves on how effective we can be.” Christianson is an epidemiologist and veterinarian who heads t

Climate Change Is Ushering in a New Pandemic Era.

Intensive agriculture, habitat destruction, & climate change are ushering in a new pandemic era, especially through the emergence of new pathogens from animals. #agriculture #climatechange #pandemic #zoonosis #microbes #infection https://www.rollingstone.com/culture/culture-features/climate-change-risks-infectious-diseases-covid-19-ebola-dengue-1098923/

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