4.2 • 639 Ratings
🗓️ 6 May 2018
⏱️ 3 minutes
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0:00.0 | Understanding the human body is a team effort. That's where the Yachtel group comes in. |
0:05.8 | Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years. |
0:11.0 | Yacold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program. |
0:19.6 | To learn more about Yachtolt, visit yawcult.co.j.p. |
0:23.9 | That's y-A-K-U-L-T dot-C-O-J-P. |
0:28.4 | When it comes to a guide for your gut, count on Yacolt. |
0:33.6 | Hi, I'm Scientific American Podcast editor Steve Murski. |
0:37.7 | And here's a short piece from the May 2018 issue of the magazine in the section we call advances, dispatches from the frontiers of science, technology, and medicine. |
0:49.1 | Watchful Plants by Erica Tenenhouse. |
0:53.6 | Plants cannot run or hide, so they need other strategies to avoid being eaten. |
0:59.5 | Some curl up their leaves. Others churn out chemicals to make themselves taste bad if they |
1:04.5 | sense animals drooling on them, chewing them up, or laying eggs on them, all shore fire |
1:10.4 | signals of an attack. |
1:12.5 | New research now shows that some flora can detect an herbivorous animal well before it launches an assault, |
1:20.3 | letting a plant mount a preemptive defense that even works against other pest species. |
1:26.7 | Snail slime is the lubricating mucus the |
1:29.4 | animals ooze as they slide along. When ecologist John Oreck of the University of |
1:34.6 | Wisconsin-Madison squirted snail slime into soil, nearby tomato plants appeared to |
1:40.2 | notice. They increased their levels of an enzyme called lypoxygenase, which is known to detect herbivores. |
1:47.3 | Oric says none of the plants were ever actually attacked. We just gave them cues that suggested an |
1:53.0 | attack was coming, and that was enough to trigger big changes in their chemistry. |
1:58.0 | Initially, Oric found this defense worked against snails. In the latest study, |
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