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  Stars and Symbiosis: MicroRNA- and MicroRNA*-Mediated Transcript Cleavage Involved in Arbuscular Mycorrhizal Symbiosis

Devers, E. A., Branscheid, A., May, P., & Krajinski, F. (2011). Stars and Symbiosis: MicroRNA- and MicroRNA*-Mediated Transcript Cleavage Involved in Arbuscular Mycorrhizal Symbiosis. Plant Physiology, 156(4), 1990-2010. doi:10.1104/pp.111.172627.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-2237-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-2238-1
Genre: Journal Article

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 Creators:
Devers, E. A.1, Author              
Branscheid, A.1, Author              
May, P.2, Author              
Krajinski, F.1, Author              
Affiliations:
1Plant-Microbe Interactions, Max Planck Research Groups, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753317              
2BioinformaticsCIG, Infrastructure Groups and Service Units, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753303              

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Free keywords: medicago-truncatula roots abiotic stress responses argonaute silencing complex plant development small rnas arabidopsis-thaliana glomus-intraradices gene-expression mirna targets phosphate homeostasis
 Abstract: The majority of plants are able to form the arbuscular mycorrhizal (AM) symbiosis in association with AM fungi. During symbiosis development, plant cells undergo a complex reprogramming resulting in profound morphological and physiological changes. MicroRNAs (miRNAs) are important components of the regulatory network of plant cells. To unravel the impact of miRNAs and miRNA-mediated mRNA cleavage on root cell reprogramming during AM symbiosis, we carried out high-throughput (Illumina) sequencing of small RNAs and degradome tags of Medicago truncatula roots. This led to the annotation of 243 novel miRNAs. An increased accumulation of several novel and conserved miRNAs in mycorrhizal roots suggest a role of these miRNAs during AM symbiosis. The degradome analysis led to the identification of 185 root transcripts as mature miRNA and also miRNA*-mediated mRNA cleavage targets. Several of the identified miRNA targets are known to be involved in root symbioses. In summary, the increased accumulation of specific miRNAs and the miRNA-mediated cleavage of symbiosis-relevant genes indicate that miRNAs are an important part of the regulatory network leading to symbiosis development.

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Language(s): eng - English
 Dates: 2011-05-302011
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: ISI:000293568800027
DOI: 10.1104/pp.111.172627
ISSN: 0032-0889
URI: ://000293568800027 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3149951/pdf/1990.pdf?tool=pmcentrez
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Title: Plant Physiology
Source Genre: Journal
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Pages: - Volume / Issue: 156 (4) Sequence Number: - Start / End Page: 1990 - 2010 Identifier: -