Microbial Management Systems

Microbial Management Systems I provide practical, evidence-based perspectives on the role of microorganisms in environmental systems.

This page provides links to some of the latest news regarding environmental microbiology and microbial communities in various biomes. It also provides microbiological fact sheets for agriculturalists, farmers and mining rehabilitation practitioners covering the effects on microorganisms of soil organic matter, water, soil disturbance and other factors and debunking some of the hyperbole that permeates the soil treatment market.

Scientists in China have discovered a soil bacterium, Bacillus PE4, that can break down stubborn polyethylene plastic co...
19/06/2026

Scientists in China have discovered a soil bacterium, Bacillus PE4, that can break down stubborn polyethylene plastic commonly used in agricultural mulch films. Under optimized conditions, the microbe degraded nearly 30% of the plastic within 100 days, offering a promising new tool in the fight against plastic pollution. While not yet a complete solution, the discovery highlights how nature’s own microbes could help tackle one of the world's most persistent waste problems. (4 min read)
https://www.earth.com/news/a-soil-bacterium-found-under-farm-plastic-may-help-break-down-one-of-the-worlds-toughest-pollutants/

With plastic production soaring and recycling rates stuck at just 9%, researchers are turning to biotechnology for solut...
17/06/2026

With plastic production soaring and recycling rates stuck at just 9%, researchers are turning to biotechnology for solutions. Scientists in Western Australia are engineering bacteria to convert waste cooking oil into bioplastics and designing enzymes capable of breaking down existing plastic pollution. These innovative approaches could help create a circular plastic economy, reducing both waste and the carbon footprint of one of the world's most persistent environmental challenges. (3 min read)
https://particle.scitech.org.au/earth-water/creating-new-bacteria-to-fight-plastic/?utm_source=substack&utm_medium=email

Scientists have produced the first global map of underground mycorrhizal fungal networks, revealing an astonishing 110 q...
16/06/2026

Scientists have produced the first global map of underground mycorrhizal fungal networks, revealing an astonishing 110 quadrillion kilometres of fungal filaments hidden in Earth’s soils. These ancient fungi help plants obtain water and nutrients, store vast amounts of carbon, and play a critical role in ecosystem health and food production. The study also warns that intensive farming is damaging these vital networks, highlighting the need to protect the unseen life beneath our feet to support sustainable agriculture and climate resilience. (4 min read + 3 min video)
https://theconversation.com/fungal-highways-are-vast-yet-hidden-underground-new-study-285166?utm_medium=article_native_share&utm_source=theconversation.com

New research has identified a critical tipping point for Mediterranean soils: above 40°C, the microbes that drive nutrie...
12/06/2026

New research has identified a critical tipping point for Mediterranean soils: above 40°C, the microbes that drive nutrient cycling and carbon storage begin to lose function, with activity nearly shutting down at 50°C. Scientists found that adding organic materials such as olive pomace can significantly boost soil resilience and nutrient availability, helping soils withstand extreme heat. The findings highlight both the growing threat of climate change to soil health and the potential of sustainable management practices to protect this vital resource. (4 min read)
https://phys.org/news/2026-05-soil-boosts-tolerance-50c.html

As Arctic soils thaw for longer each year, scientists have discovered that only about half of the microbes hidden beneat...
10/06/2026

As Arctic soils thaw for longer each year, scientists have discovered that only about half of the microbes hidden beneath the surface become active. The study reveals that greenhouse gas emissions depend not just on rising temperatures, but on which microbes “wake up” and when. These findings could improve climate models by showing that the Arctic’s carbon response to warming is far more complex than previously thought. (3 min read)
https://www.technologynetworks.com/tn/news/thawing-arctic-soil-awakens-only-half-of-soil-microbes-412533

A study led by researchers at the University of Liège reveals the mechanism by which surfactin, a molecule produced by b...
08/06/2026

A study led by researchers at the University of Liège reveals the mechanism by which surfactin, a molecule produced by beneficial soil bacteria, activates plants' immune defenses. This mechanism, distinct from the classical paradigm of immune recognition, relies on direct interaction with the plant cell membrane. (3 min read)
https://phys.org/news/2026-05-soil-bacteria-defend-disease.html

Australia’s black truffle industry has grown from a handful of imported trees in the 1990s to the largest producer outsi...
04/06/2026

Australia’s black truffle industry has grown from a handful of imported trees in the 1990s to the largest producer outside Europe. New research suggests one key reason for this success is that Australian soils contain far fewer competing truffle-forming fungi, giving prized French black truffles a better chance to thrive. Combined with favourable growing conditions, innovation and expert cultivation, Australia has become a global truffle powerhouse in less than 30 years. (3 min read)
https://www.theguardian.com/environment/2026/apr/27/australia-is-the-worlds-fourth-largest-black-truffle-producer-now-scientists-may-have-unearthed-why

Researchers studying wheat-field soils in Germany discovered a surprisingly diverse community of soil algae. Unlike many...
02/06/2026

Researchers studying wheat-field soils in Germany discovered a surprisingly diverse community of soil algae. Unlike many other soil microbes, these algae showed strong seasonal patterns, with different groups dominating in spring, summer, and autumn. The study highlights that soil algae are an important but often overlooked part of the soil microbiome; improving soil fertility, nutrient cycling, water retention, and overall soil health. The researchers also found clear differences between organically and conventionally managed fields and plan further studies to understand how farming practices influence algal diversity and how farmers might harness these organisms to support crop growth. (3 min read)
https://www.eurekalert.org/news-releases/1128685

Plants may be quietly farming their own microbiome—consistently recruiting growth-boosting microbes from wildly differen...
31/05/2026

Plants may be quietly farming their own microbiome—consistently recruiting growth-boosting microbes from wildly different soils to help them thrive. UK researchers found that plants selectively assemble remarkably similar communities of beneficial microbes around their roots, even when grown in very different soil types. This suggests plants actively shape their microbiome rather than simply accepting whatever microbes are present in the surrounding soil. The findings could help scientists design more targeted microbial inoculants and sustainable farming systems by identifying the microbial traits plants consistently favour for growth, nutrient acquisition, and resilience to environmental stress. (3 min read)
https://www.rothamsted.ac.uk/news/plants-predictably-select-growth-boosting-microbes-regardless-soil-type

The worlds beneath our feet and inside our bodies may follow the same ecological rules—meaning soil microbes could help ...
27/05/2026

The worlds beneath our feet and inside our bodies may follow the same ecological rules—meaning soil microbes could help scientists finally decode the mysteries of the human gut. This article explores growing evidence that soil and gut microbiomes behave as surprisingly similar ecosystems, despite existing in completely different environments. Both systems rely on complex microbial interactions, nutrient competition, and community balance to maintain health and stability. Researchers suggest that decades of soil ecology research could accelerate breakthroughs in gut microbiome science, helping scientists better understand disease, resilience, and microbial recovery after disturbance. The work also strengthens the broader “One Health” concept linking environmental and human health through microbial ecology. (4 min read)
https://phys.org/news/2026-04-gut-soil-microbes-ecosystems-easier.html

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