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Titolo:
A comprehensive expression analysis of all members of a gene family encoding cell-wall enzymes allowed us to predict cis-regulatory regions involved in cell-wall construction in specific organs of arabidopsis
Autore:
Yokoyama, R; Nishitani, K;
Indirizzi:
Tohoku Univ, Grad Sch Life Sci, Dept Dev Biol & Neurosci, Sendai, Miyagi 9808578, Japan Tohoku Univ Sendai Miyagi Japan 9808578 ci, Sendai, Miyagi 9808578, Japan
Titolo Testata:
PLANT AND CELL PHYSIOLOGY
fascicolo: 10, volume: 42, anno: 2001,
pagine: 1025 - 1033
SICI:
0032-0781(200110)42:10<1025:ACEAOA>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
ENDOXYLOGLUCAN TRANSFERASE; XYLOGLUCAN ENDOTRANSGLYCOSYLASE; MOLECULAR-CLONING; PLANT; DUPLICATION; SYNTHASE; CDNA; GLYCOSYLTRANSFERASE; SEQUENCE; THALIANA;
Keywords:
Arabidopsis; cis-regulatory region; XTH gene family; genome duplication; plant hormones; xyloglucan;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Nishitani, K Tohoku Univ, Grad Sch Life Sci, Dept Dev Biol & Neurosci, Sendai, Miyagi 9808578, Japan Tohoku Univ Sendai Miyagi Japan 9808578 iyagi 9808578, Japan
Citazione:
R. Yokoyama e K. Nishitani, "A comprehensive expression analysis of all members of a gene family encoding cell-wall enzymes allowed us to predict cis-regulatory regions involved in cell-wall construction in specific organs of arabidopsis", PLANT CEL P, 42(10), 2001, pp. 1025-1033

Abstract

The Arabidopsis thaliana genome sequencing project has revealed that multigene families, such as those generated by genome duplications, are more abundant among plant genomes than among animal genomes. To gain insight into the evolutionary implications of the multigene families in higher plants, weexamined the XTH gene family, a group of genes encoding xyloglucan endotransgiucosylase/ hydrolase, which are responsible for cell-wall construction in plants. Expression analysis of all members (33 genes) of this family, using quantitative real-time RT-PCR, revealed that most members exhibit distinct expression profiles in terms of tissue specificity and responses to hormonal signals, with some members exhibiting similar expression patterns. Bycomparing the flanking sequences of individual genes, we identified four sets of large-segment duplications and two sets of solitary gene duplications. In each set of gene duplicates, long nucleotide sequences, ranging from one to two hundred base pairs, are conserved. Furthermore, gene duplicates exhibit similar organ-specific expression profiles. These facts allowed us to predict putative cis-regulatory regions, particularly those responsible for cell-wall construction, and hence for morphogenesis, that are specific for certain organs or tissues in plants.

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Documento generato il 03/07/20 alle ore 01:08:27