Helpful fungi

Share Shares 16K Funguses have caused some of the greatest human tragedies in history — but they have also been behind some of the greatest scientific discoveries.

Helpful fungi

In David Johnson of the University of Aberdeen and his colleagues showed that broad beans also use fungal networks to pick up on impending threats — in this case, hungry aphids. Johnson found that broad bean seedlings that were not themselves under attack by aphids, but were connected to those that were via fungal mycelia, activated their anti-aphid chemical defenses.

Those without mycelia did not. View image of The internet is also a haven for criminals and pirates Credit: Our internet undermines privacy and facilitates serious crime — and frequently, allows computer viruses to spread.

For one thing, some plants steal from each other using the internet. Some of these plants, such as the phantom orchidget the carbon they need from nearby trees, via the mycelia of fungi that both are connected to.

Helpful fungi

Other orchids only steal when it suits them. These "mixotrophs" can carry out photosynthesis, but they also "steal" carbon from other plants using the fungal network that links them.

That might not sound too bad.

Top 10 Incredible Funguses - Listverse

However, plant cybercrime can be much more sinister than a bit of petty theft. View image of A phantom orchid Cephalanthera austiniae Credit: Tom Hilton, CC by 2. As part of that battle, some release chemicals that harm their rivals.

This "allelopathy" is quite common in trees, including acacias, sugarberries, American sycamores and several species of Eucalyptus. They release substances that either reduce the chances of other plants becoming established nearby, or reduce the spread of microbes around their roots.

Sceptical scientists doubt that allelopathy helps these unfriendly plants much. Surely, they say, the harmful chemicals would be absorbed by soil, or broken down by microbes, before they could travel far.

Nov 11,  · Hidden under your feet is an information superhighway that allows plants to communicate and help each other out. It’s made of fungus. Using tomatoes as a research plant, scientists at the University of California, Davis, have discovered that two plant enzymes that occur in the . Sep 04,  · Fungus Destroyer authored by so called Dr. Grand Anderson is a deliberate scam meant to turn you into a “money making machine”. Why would I make this terrible accusation? Why would I make this terrible accusation?/5(94).

But maybe plants can get around this problem, by harnessing underground fungal networks that cover greater distances. Inchemical ecologist Kathryn Morris and her colleagues set out to test this theory.

Useful and Harmful Activities of Fungi

View image of Marigolds are distinctly unfriendly to their neighbours Credit: The pots contained cylinders surrounded by a mesh, with holes small enough to keep roots out but large enough to let in mycelia.

Half of these cylinders were turned regularly to stop fungal networks growing in them. The team tested the soil in the cylinders for two compounds made by the marigolds, which can slow the growth of other plants and kill nematode worms.

That suggests the mycelia really did transport the toxins. The team then grew lettuce seedlings in the soil from both sets of containers. In response, some have argued that the chemicals might not work as well outside the lab. So Michaela Achatz of the Berlin Free University in Germany and her colleagues looked for a similar effect in the wild.

View image of A black walnut tree Juglans nigra Credit: It inhibits the growth of many plants, including staples like potatoes and cucumbers, by releasing a chemical called jugalone from its leaves and roots.

Achatz and her team placed pots around walnut trees, some of which fungal networks could penetrate. Those pots contained almost four times more jugalone than pots that were rotated to keep out fungal connections.In this article we will discuss about the useful and harmful activities of fungi.

Useful Activities of Fungi: Directly or indirectly fungi are beneficial to human being. Fungi is used in medicine industry, as food, in food prepa­ration, in other industry and also in agricul­ture. Some of the useful activities are.

Yeast: A Helpful Fungus Yeast is what causes bread to rise. Yeast is a fungus in the same major microbial group as mold, mildew and mushrooms. Sometimes fungi grow plant-like root systems and resemble plants, but they have no chlorophyll and cannot produce their own food.

Yeast is . Using tomatoes as a research plant, scientists at the University of California, Davis, have discovered that two plant enzymes that occur in the . Fungi include the yeasts, molds & mushrooms. There are a number of fungi that produce toxins that are extremely dangerous.

Helpful fungi

Black molds growing on grains, and on damp surfaces in homes produce toxins that inhibit protein synthesis in eukaryotic cells. Jan 17,  · I have a school of about 50 Cardinal Tetras and they have some kind of white growths on them.

I thought it was ich/ick at first but it doesn't respond. Fungi are very important ecologically, because they are one of the most important decomposers in most ecosystems. They help to break down plant fibers such as dead leaves and wood and allow the.

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