A Newly Found Organ for Arabidopsis

Horizontal arms dubbed cantils only appear under certain growing conditions—perhaps explaining why they had not been identified before.

kerry grens
| 2 min read
photograph of arabidopsis thaliana with a cantil on a black background

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Update (October 8, 2021): A September 19 paper in New Phytologist challenges the idea that cantils are a distinct organ, instead suggesting that the structures are a quirk of aneuploidy.

To any devoted reader of The Scientist, it should come as no surprise that even the most intensely studied organisms have organs, tissues, and cell types unknown to science. Just last week, neuroscientists described a pair of novel brain cell types in mice. And in recent years, scientists identified for the first time a lymphatic system in the brain that’s present in both mice and humans.

Yesterday (June 15), plant biologists reported in Development that the much-studied model plant Arabidopsis thaliana possesses an organ that had been overlooked by researchers and naturalists for centuries. The cantil—named for its cantilever-like form—reaches out horizontally from the stem and supports the pedicel, a stalk that grows vertically and is topped off by a ...

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Meet the Author

  • kerry grens

    Kerry Grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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