The Grapevine Expression Atlas Reveals a Deep Transcriptome Shift Driving the Entire Plant into a Maturation Program

We developed a genome-wide transcriptomic atlas of grapevine (Vitis vinifera) based on 54 samples representing green and woody tissues and organs at different developmental stages as well as specialized tissues such as pollen and senescent leaves. Together, these samples expressed -9 1% of the predi...

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Veröffentlicht in:The Plant cell 2012-09, Vol.24 (9), p.3489-3505
Hauptverfasser: Fasoli, Marianna, Dal Santo, Silvia, Zenoni, Sara, Tornielli, Giovanni Battista, Farina, Lorenzo, Zamboni, Anita, Porceddu, Andrea, Venturini, Luca, Bicego, Manuele, Murino, Vittorio, Ferrarini, Alberto, Delledonne, Massimo, Pezzotti, Mario
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container_end_page 3505
container_issue 9
container_start_page 3489
container_title The Plant cell
container_volume 24
creator Fasoli, Marianna
Dal Santo, Silvia
Zenoni, Sara
Tornielli, Giovanni Battista
Farina, Lorenzo
Zamboni, Anita
Porceddu, Andrea
Venturini, Luca
Bicego, Manuele
Murino, Vittorio
Ferrarini, Alberto
Delledonne, Massimo
Pezzotti, Mario
description We developed a genome-wide transcriptomic atlas of grapevine (Vitis vinifera) based on 54 samples representing green and woody tissues and organs at different developmental stages as well as specialized tissues such as pollen and senescent leaves. Together, these samples expressed -9 1% of the predicted grapevine genes. Pollen and senescent leaves had unique transcriptomes reflecting their specialized functions and physiological status. However, microarray and RNA-seq analysis grouped all the other samples into two major classes based on maturity rather than organ identity, namely, the vegetative/green and mature/woody categories. This division represents a fundamental transcriptomic reprogramming during the maturation process and was highlighted by three statistical approaches identifying the transcriptional relationships among samples (correlation analysis), putative biomarkers (O2PLS-DA approach), and sets of strongly and consistently expressed genes that define groups (topics) of similar samples (biclustering analysis). Gene coexpression analysis indicated that the mature/woody developmental program results from the reiterative coactivation of pathways that are largely inactive in vegetative/green tissues, often involving the coregulation of clusters of neighboring genes and global regulation based on codon preference. This global transcriptomic reprogramming during maturation has not been observed in herbaceous annual species and may be a defining characteristic of perennial woody plants.
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Together, these samples expressed -9 1% of the predicted grapevine genes. Pollen and senescent leaves had unique transcriptomes reflecting their specialized functions and physiological status. However, microarray and RNA-seq analysis grouped all the other samples into two major classes based on maturity rather than organ identity, namely, the vegetative/green and mature/woody categories. This division represents a fundamental transcriptomic reprogramming during the maturation process and was highlighted by three statistical approaches identifying the transcriptional relationships among samples (correlation analysis), putative biomarkers (O2PLS-DA approach), and sets of strongly and consistently expressed genes that define groups (topics) of similar samples (biclustering analysis). Gene coexpression analysis indicated that the mature/woody developmental program results from the reiterative coactivation of pathways that are largely inactive in vegetative/green tissues, often involving the coregulation of clusters of neighboring genes and global regulation based on codon preference. 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source Jstor Complete Legacy; Oxford University Press Journals All Titles (1996-Current); MEDLINE; EZB-FREE-00999 freely available EZB journals
subjects Berries
Chromosomes, Plant - genetics
Cluster Analysis
Codons
Correlations
Datasets
Developmental biology
Fruit - genetics
Fruit - growth & development
Fruit - physiology
Gene Expression
Gene Expression Profiling
Gene Expression Regulation, Plant - genetics
Genes
Genes, Plant - genetics
Genetic Markers
Genome, Plant - genetics
Genomes
Large-Scale Biology
LARGE-SCALE BIOLOGY ARTICLES
Oligonucleotide Array Sequence Analysis
Organ Specificity
Plant cells
Plant Leaves - genetics
Plant Leaves - growth & development
Plant Leaves - physiology
Plant Stems - genetics
Plant Stems - growth & development
Plant Stems - physiology
Plants
Pollen - genetics
Pollen - growth & development
Pollen - physiology
RNA, Plant - genetics
RNA, Plant - metabolism
Species Specificity
Transcriptome
Transcriptomes
transcriptomics
Vitis
Vitis - genetics
Vitis - growth & development
Vitis - physiology
title The Grapevine Expression Atlas Reveals a Deep Transcriptome Shift Driving the Entire Plant into a Maturation Program
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