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The Beet: A Podcast For Plant Lovers

Quorum Signalling: How Microbes and Plants Talk

The Beet: A Podcast For Plant Lovers

Epic Gardening

Home & Garden, Education, Leisure, How To

4.81.6K Ratings

🗓️ 23 January 2019

⏱️ 8 minutes

🧾️ Download transcript

Summary

Today Nicole and I chat about quorum signalling, which is an incredibly interesting phenomenon that will blow your mind. I won't give too much away, but it'll help you tie together your understanding of the soil food web. Learn More:  http://www.integritysoils.co.nz/ https://www.instagram.com/masters.nicole/ Order Field Guide to Urban Gardening My book, Field Guide to Urban Gardening, will be out May 7, 2019. If you pre-order the book and forward your receipt to kevin@epicgardening.com, I'll send you a free pack of heirloom, organic seeds from one of my favorite seed suppliers! Pre-Order Field Guide to Urban Gardening Support Epic Gardening Support Epic Gardening on Patreon Follow Epic Gardening YouTube Instagram Pinterest Facebook Facebook Group Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

Click on a timestamp to play from that location

0:00.0

What's up everyone? Welcome back to the Epic Gardening Podcast. This is Kevin. I'm here again with

0:07.5

Nicole Masters, an international agroecologist and a systems thinker, and we are talking today about something very interesting

0:15.5

it's something called quorum signaling and basically it's how to soil microbes and plants

0:21.3

communicate and then how you can actually work to harness

0:26.2

those properties, that signaling.

0:28.1

So, Nicole, I figured you're the expert here,

0:30.9

why don't you drop some knowledge on us

0:32.4

as to what this is in the first

0:33.7

place? So I'm referring to a process called quorum signaling but it started originally

0:40.1

added what they identified as quorum sensing.

0:43.0

So quorum sensing was identified in the 1960s.

0:46.8

They were looking at how is it that squid bioeluminous?

0:50.8

You know, they suddenly flash in color and light and it's actually a

0:55.4

bacteria and what they what they started to research was that the bacteria

1:00.8

would turn on or turn off in response to signaling with chemicals,

1:05.1

how many other organisms are, individuals are in my environment.

1:08.8

Are there others like me and when they reached a peak point they could actually send these signals to turn on and off.

1:14.8

So the medical people have been looking at this in terms of how does this apply to human

1:21.0

health?

1:22.0

Could we figure out instead of putting antibiotics which just

1:24.4

kill everything, could we figure out the signal to turn on and off virulence? So for instance,

1:30.7

at any one time you could have strep organisms in and on you but you don't have a strep throat then suddenly you've got a sore throat.

...

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