<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The composition of secondary cell wall determines the indust­rially relevant wood properties in tree species. Hence, its bioge­nesis is one of the most extensively studied developmental processes during wood formation. Presently, systems genetics approach is being applied to understand the biological net­works and their interactions operational during secondary development. Genome-scale analyses of secondary cell wall formation were documented and gene regulatory networks were reported in Arabidopsis, poplar, pine, spruce, rice and sug­arcane. In the present study, the expression patterns of 2651 transcripts representing different pathways governing secon­dary development was documented across four genotypes of E. tereticornis. A co-expression network was constructed with 330 nodes and 4512 edges and the degree ranged from 11 to 53. The network documented 75 (22 %) transcription factors with high degree of interaction. Secondary wall associated NAC domain transcription factor (SND2) was identified as the top hub transcript with 53 interactions. The present study revealed that functional homologs regulating secondary cell wall formation are conserved among angiosperms and gym­nosperms.</p></abstract>

The composition of secondary cell wall determines the indust­rially relevant wood properties in tree species. Hence, its bioge­nesis is one of the most extensively studied developmental processes during wood formation. Presently, systems genetics approach is being applied to understand the biological net­works and their interactions operational during secondary development. Genome-scale analyses of secondary cell wall formation were documented and gene regulatory networks were reported in Arabidopsis, poplar, pine, spruce, rice and sug­arcane. In the present study, the expression patterns of 2651 transcripts representing different pathways governing secon­dary development was documented across four genotypes of E. tereticornis. A co-expression network was constructed with 330 nodes and 4512 edges and the degree ranged from 11 to 53. The network documented 75 (22 %) transcription factors with high degree of interaction. Secondary wall associated NAC domain transcription factor (SND2) was identified as the top hub transcript with 53 interactions. The present study revealed that functional homologs regulating secondary cell wall formation are conserved among angiosperms and gym­nosperms.

Co-expression network of secondary cell wall biogenesis genes in Eucalyptus tereticornis

Silvae Genetica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The composition of secondary cell wall determines the indust­rially relevant wood properties in tree species. Hence, its bioge­nesis is one of the most...

Co-expression network of secondary cell wall biogenesis genes in Eucalyptus tereticornis

Published Online: Aug 24, 2018

Page range: 72 - 78

DOI: https://doi.org/10.2478/sg-2018-0010

Keywords
Cell wall, Eucalyptus, Expression, Network, Regulation, Transcript

© 2018 Veeramuthu Dharanishanthi and Modhumita Ghosh Dasgupta, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Co-expression network of secondary cell wall biogenesis genes in Eucalyptus tereticornis

Published Online: Aug 24, 2018

Page range: 72 - 78

DOI: https://doi.org/10.2478/sg-2018-0010

KeywordsCell wall, Eucalyptus, Expression, Network, Regulati­on, Transcript

© 2018 Veeramuthu Dharanishanthi and Modhumita Ghosh Dasgupta, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Cell wall, Eucalyptus, Expression, Network, Regulation, Transcript