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  A root phloem pole cell atlas reveals common transcriptional states in protophloem-adjacent cells

Otero, S., Gildea, I., Roszak, P., Lu, Y., Di Vittori, V., Bourdon, M., et al. (2022). A root phloem pole cell atlas reveals common transcriptional states in protophloem-adjacent cells. Nature Plants, 8, 954-970. doi:10.1038/s41477-022-01178-y.

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 Creators:
Otero, Sofia1, Author
Gildea, Iris1, Author
Roszak, Pawel1, Author
Lu, Yipeng1, Author
Di Vittori, V.2, Author           
Bourdon, Matthieu1, Author
Kalmbach, Lothar1, Author
Blob, Bernhard1, Author
Heo, Jung-ok1, Author
Peruzzo, Federico1, Author
Laux, Thomas1, Author
Fernie, A. R.3, Author           
Tavares, Hugo1, Author
Helariutta, Yka1, Author
Affiliations:
1external, ou_persistent22              
2Central Metabolism, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753339              
3Central Metabolism, Department Gutjahr, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_3396323              

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 Abstract: Single-cell sequencing has recently allowed the generation of exhaustive root cell atlases. However, some cell types are elusive and remain underrepresented. Here we use a second-generation single-cell approach, where we zoom in on the root transcriptome sorting with specific markers to profile the phloem poles at an unprecedented resolution. Our data highlight the similarities among the developmental trajectories and gene regulatory networks common to protophloem sieve element (PSE)-adjacent lineages in relation to PSE enucleation, a key event in phloem biology. As a signature for early PSE-adjacent lineages, we have identified a set of DNA-binding with one finger (DOF) transcription factors, the PINEAPPLEs (PAPL), that act downstream of PHLOEM EARLY DOF (PEAR) genes and are important to guarantee a proper root nutrition in the transition to autotrophy. Our data provide a holistic view of the phloem poles that act as a functional unit in root development.

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Language(s): eng - English
 Dates: 2022-08-042022-08
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1038/s41477-022-01178-y
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Title: Nature Plants
Source Genre: Journal
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Publ. Info: Nature Publishing Group
Pages: - Volume / Issue: 8 Sequence Number: - Start / End Page: 954 - 970 Identifier: ISSN: 2055-0278
CoNE: https://pure.mpg.de/cone/journals/resource/2055-0278