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  Comparative transcriptomic analysis reveals conserved programmes underpinning organogenesis and reproduction in land plants

Julca, I., Ferrari, C., Flores-Tornero, M., Proost, S., Lindner, A.-C., Hackenberg, D., et al. (2021). Comparative transcriptomic analysis reveals conserved programmes underpinning organogenesis and reproduction in land plants. Nature Plants, 7, 1143-1159. doi:10.1038/s41477-021-00958-2.

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Julca, Irene1, Author
Ferrari, C.2, Author              
Flores-Tornero, María1, Author
Proost, Sebastian3, Author              
Lindner, Ann-Cathrin1, Author
Hackenberg, Dieter1, Author
Steinbachová, Lenka1, Author
Michaelidis, Christos1, Author
Gomes Pereira, Sónia1, Author
Misra, Chandra Shekhar1, Author
Kawashima, Tomokazu1, Author
Borg, Michael1, Author
Berger, Frédéric1, Author
Goldberg, Jacob1, Author
Johnson, Mark1, Author
Honys, David1, Author
Twell, David1, Author
Sprunck, Stefanie1, Author
Dresselhaus, Thomas1, Author
Becker, Jörg D.1, Author
Mutwil, Marek1, Author more..
Affiliations:
1external, ou_persistent22              
2System Regulation, Department Stitt, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753327              
3BioinformaticsCRG, Cooperative Research Groups, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753315              

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 Abstract: The appearance of plant organs mediated the explosive radiation of land plants, which shaped the biosphere and allowed the establishment of terrestrial animal life. The evolution of organs and immobile gametes required the coordinated acquisition of novel gene functions, the co-option of existing genes and the development of novel regulatory programmes. However, no large-scale analyses of genomic and transcriptomic data have been performed for land plants. To remedy this, we generated gene expression atlases for various organs and gametes of ten plant species comprising bryophytes, vascular plants, gymnosperms and flowering plants. A comparative analysis of the atlases identified hundreds of organ- and gamete-specific orthogroups and revealed that most of the specific transcriptomes are significantly conserved. Interestingly, our results suggest that co-option of existing genes is the main mechanism for evolving new organs. In contrast to female gametes, male gametes showed a high number and conservation of specific genes, which indicates that male reproduction is highly specialized. The expression atlas capturing pollen development revealed numerous transcription factors and kinases essential for pollen biogenesis and function.

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Language(s): eng - English
 Dates: 2021
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1038/s41477-021-00958-2
 Degree: -

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Title: Nature Plants
Source Genre: Journal
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Publ. Info: Nature Publishing Group
Pages: - Volume / Issue: 7 Sequence Number: - Start / End Page: 1143 - 1159 Identifier: ISSN: 2055-0278
CoNE: https://pure.mpg.de/cone/journals/resource/2055-0278