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#microbial

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"As the amount of #methane has risen in the atmosphere over the past 15 years, it’s also gotten lighter and lighter. The scientists used a model to analyze those changes and found that only large increases in #microbial #emissions could explain both the rising methane and its changing weight.

While microbes in wetlands are largely natural, the tiny creatures can also pump out methane from reservoirs, agricultural lands and landfills."

washingtonpost.com/climate-env

The Washington Post · Scientists may have figured out why a potent greenhouse gas is rising. The answer is scary.By Shannon Osaka
Continued thread

#Forbes 📆 Sep 29, 2023

• Within 326 light-years of the #sun there are statistically 11,000 #Earth-size #planets 🪐 in the habitable zone of K-type (sun-like) stars.
• The #SolarSystem is younger than 77% of close #star systems with rocky #exoplanets.
• Rocky exoplanets outnumbered giant Jupiter-like exoplanets when the #universe 🌌 was young.
• Statistically, the closest life-harboring Earth-like #planet is 65 light-years 📏 distant.

This last claim depends on #microbial life 🦠 arising as soon as it did on Earth – so, a billion years ⏳ after becoming #habitable – on just 1% 📊 of rocky exoplanets. “If simple life is abundant, it is also old, as it would have emerged more than eight billion years ago in about one third 📊 of all life-bearing planets today” forbes.com/sites/jamiecartereu

Forbes · Life Should Exist On An Exoplanet 65 Light-Years Away, Says StudyBy Jamie Carter

Unravelling the microbial world in European soils ecoevocommunity.nature.com/pos #bacteria #fungi #mushrooms

Patterns in soil #MicrobialDiversity across Europe: Maëva Labouyrie et al. nature.com/articles/s41467-023

"We observed an incredible diversity beneath our feet. We detected more than 25’000 #fungal and 79’000 #bacterial taxa. #Microbial richness & diversity are highest in more disturbed areas, such as #croplands and #grasslands, but potential #PlantPathogens are more abundant in these areas as well"

🧠 🌈 🔬 👁️ eye (finally) see a piece of my #prokaryotic #microbial memory of a (#cis #trans) "retinol-binding protein" coming back
#Maga #Musk #DeSantis #DNA #Trump #Twitter #GOP #Facebook #Google #Guns #GunViolence #UnitedStates #Covid #CBC #conservative
These #bacterial #biochemistry homologs, which are annotated as S41 peptidases, are single-domain proteins with sequence and structural similarity to each of the four human IRBP domains pnas.org/doi/10.1073/pnas.2214

journals.plos.orgBioelectricity Generation and Bioremediation of an Azo-Dye in a Microbial Fuel Cell Coupled Activated Sludge ProcessSimultaneous bioelectricity generation and dye degradation was achieved in the present study by using a combined anaerobic-aerobic process. The anaerobic system was a typical single chambered microbial fuel cell (SMFC) which utilizes acid navy blue r (ANB) dye along with glucose as growth substrate to generate electricity. Four different concentrations of ANB (50, 100, 200 and 400 ppm) were tested in the SMFC and the degradation products were further treated in an activated sludge post treatment process. The dye decolorization followed pseudo first order kinetics while the negative values of the thermodynamic parameter ∆G (change in Gibbs free energy) shows that the reaction proceeds with a net decrease in the free energy of the system. The coulombic efficiency (CE) and power density (PD) attained peak values at 10.36% and 2,236 mW/m2 respectively for 200 ppm of ANB. A further increase in ANB concentrations results in lowering of cell potential (and PD) values owing to microbial inhibition at higher concentrations of toxic substrates. Cyclic voltammetry studies revealed a perfect redox reaction was taking place in the SMFC. The pH, temperature and conductivity remain 7.5–8.0, 27(±2°C and 10.6–18.2 mS/cm throughout the operation. The biodegradation pathway was studied by the gas chromatography coupled with mass spectroscopy technique, suggested the preferential cleavage of the azo bond as the initial step resulting in to aromatic amines. Thus, a combined anaerobic-aerobic process using SMFC coupled with activated sludge process can be a viable option for effective degradation of complex dye substrates along with energy (bioelectricity) recovery.

The ability to genetically change bacteria is the key to researching the #microbial world. #Genome editing - i.e. processing the genome such as #DNA - is essential in order to develop new #antibiotics and to use #bacteria as miniature factories for the sustainable production of #chemicals, materials and therapeutics.
#CRISPR #RNA #Biology #Science #sflorg
sflorg.com/2023/02/bio02092304

www.sflorg.comLess is morea new approach that enables more efficient processing of bacterial genomes.

#introduction -- Hi there! I'm a #limnologist by training who started out with fish and ended up working on #aquatic #microbial #ecology of #glacier surfaces, #polar #lakes and abandoned coalmines at #Aberystwyth University in #Wales. My main #research interests are the impact of changing resources on community-level interactions and how microbes interact with their #environment. Also into #beekeeping #knitting #crafts #basketweaving #hamradio #SOTA #hiking #languages