Abstract
The large vascular meristem of poplar trees with its highly organized secondary xylem enables the boundaries between different developmental zones to be easily distinguished. This property of wood-forming tissues allowed us to determine a unique tissue-specific transcript profile for a well defined developmental gradient. RNA was prepared from different developmental stages of xylogenesis for DNA microarray analysis by using a hybrid aspen unigene set consisting of 2,995 expressed sequence tags. The analysis revealed that the genes encoding lignin and cellulose biosynthetic enzymes, as well as a number of transcription factors and other potential regulators of xylogenesis, are under strict developmental stage-specific transcriptional regulation.
Publication types
-
Research Support, Non-U.S. Gov't
MeSH terms
-
Cell Wall / metabolism
-
Cellulose / biosynthesis
-
Expressed Sequence Tags
-
Gene Expression Profiling
-
Gene Expression Regulation, Developmental
-
Gene Expression Regulation, Plant
-
Genes, Plant
-
Lignin / biosynthesis
-
Meristem / genetics
-
Meristem / growth & development
-
Molecular Sequence Data
-
Oligonucleotide Array Sequence Analysis
-
Transcription, Genetic
-
Trees / genetics*
-
Trees / growth & development*
-
Trees / metabolism
-
Wood*
Associated data
-
GENBANK/BI784488
-
GENBANK/BI784489
-
GENBANK/BI784490
-
GENBANK/BI784491
-
GENBANK/BI784492
-
GENBANK/BI784493
-
GENBANK/BI784494
-
GENBANK/BI784495
-
GENBANK/BI784496
-
GENBANK/BI784497
-
GENBANK/BI784498
-
GENBANK/BI784499
-
GENBANK/BI784500
-
GENBANK/BI784501
-
GENBANK/BI784502
-
GENBANK/BI784503
-
GENBANK/BI784504
-
GENBANK/BI784505
-
GENBANK/BI784506
-
GENBANK/BI784507
-
GENBANK/BI784508
-
GENBANK/BI784509
-
GENBANK/BI784510
-
GENBANK/BI784511
-
GENBANK/BI784512
-
GENBANK/BI784513
-
GENBANK/BI784514
-
GENBANK/BI784515