Genomics

Dataset Information

35

Hybrid poplar (P. tremula x P. alba ) outer vs inner bark transcriptome


ABSTRACT: The periderm of trees produces cork cells, whose cell walls are modified with suberin. We compared the transcriptome of outer bark (cork) vs inner bark (control containing secondary phloem and vacular meristem) to infer genes related to suberim metabolism. Overall design: mRNA profiles of periderm cells at two developmental stages of wild type (WT) poplar tree stems were generated by deep sequencing, in triplicate (young) and quadruplicate (older stem), using Illumina HiSeq2000.

INSTRUMENT(S): Illumina HiSeq 2000 (Populus tremula x Populus alba)

SUBMITTER: Isabel Molina  

PROVIDER: GSE84951 | GEO | 2017-07-31

SECONDARY ACCESSION(S): PRJNA335737

REPOSITORIES: GEO

Dataset's files

Source:
Action DRS
GSE84951_WT-CT_vs_WT-Cork_Genes_DE_results.tsv.gz Tabular
GSE84951_YoungWT-CT_vs_YoungWT-Cork_Genes_DE_results.tsv.gz Tabular
GSE84951_rawCountMatrix.txt.gz Txt
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Publications

Reconstructing the suberin pathway in poplar by chemical and transcriptomic analysis of bark tissues.

Rains Meghan K MK   Gardiyehewa de Silva Nayana Dilini ND   Molina Isabel I  

Tree physiology 20180301 3


The tree bark periderm confers the first line of protection against pathogen invasion and abiotic stresses. The phellogen (cork cambium) externally produces cork (phellem) cells that are dead at maturity; while metabolically active, these tissues synthesize cell walls, as well as cell wall modifications, namely suberin and waxes. Suberin is a heteropolymer with aliphatic and aromatic domains, composed of acylglycerols, cross-linked polyphenolics and solvent-extractable waxes. Although suberin is  ...[more]

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