NDLI: Identification of four Eucalyptus genes potentially involved in cell wall biosynthesis and evolutionarily related to SHINE transcription factors

Content Provider	Springer Nature Link
Author	Marques, Wesley Leoricy Salazar, Marcela Mendes Camargo, Eduardo Leal Oliveira Lepikson Neto, Jorge Tiburcio, Ricardo Augusto Nascimento, Leandro Costa Pereira, Gonçalo Amarante Guimarães
Copyright Year	2012
Abstract	Recently, a new Arabidopsis thaliana master regulator of plant cell wall biosynthesis was characterized. It was named SHINE transcription factor (SHINE TF). This work searched for homologous genes in Eucalyptus grandis genome draft. RNAseq data, phylogeny analysis and qRT-PCR experiments were performed to complement SHINE gene analysis. By similarity searches using A. thaliana SHINE genes, four sequences were identified in Eucalyptus. Two of them contain all conserved motifs and characteristic features of this family, being assumed as true SHINE TFs and named EgrSHN1 and EgrSHN2. The other two sequences contain an incomplete ‘mm’ motif and were not considered true SHINE TFs, being further referred as Egr33m and Egr40m. Expression analysis revealed that EgrSHN1 is more expressed in flowers than in leaves and immature xylem, and both EgrSHN1 and EgrSHN2 are absent from adult xylem RNAseq libraries. This expression profile is similar to A. thaliana orthologues. On the other hand, Egr33m and Egr40m expression was detected in adult xylems. The phylogenetic studies indicate that both EgrSHNs were originated by gene duplication events which, together with gene loss, are hypothesized as common events in SHINE evolution. In conclusion, it is possible that the overexpression of SHINE genes in Eucalyptus xylem can generate information about wood formation processes, allowing an effective increase in forest plantation productivity.
Starting Page	203
Ending Page	208
Page Count	6
File Format	PDF
ISSN	01676903
Journal	Plant Growth Regulation
Volume Number	69
Issue Number	2
e-ISSN	15735087
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-09-28
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Eucalyptus SHINE transcription factors cell wall Plant cell wall regulation Plant Sciences Plant Anatomy/Development Plant Physiology Agriculture
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science Agronomy and Crop Science

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