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Analysis of Dormant Bud (Banjhi) Specific Transcriptome of Tea (Camellia sinensis (L.) O. Kuntze) from cDNA Library Revealed Dormancy-Related Genes
Thirugnanasambantham K, Prabu G, Chandrabose S.R.S,
Published in Springer Science and Business Media LLC
2013
PMID: 23315209
Volume: 169
   
Issue: 4
Pages: 1405 - 1417
Abstract
Bud dormancy is of ecological and economical interest due to its impact on tea (Camellia sinensis (L.) O. Kuntze) plant growth and yield. Growth regulation associated with dormancy is an essential element in plant's life cycle that leads to changes in expression of large number of genes. In order to identify and provide a picture of the transcriptome profile, cDNA library was constructed from dormant bud (banjhi) of tea. Sequence and gene ontology analysis of 3,500 clones, in many cases, enabled their functional categorization concerning the bud growth. Based on the cDNA library data, the putative role of identified genes from tea is discussed in relation to growth and dormancy, which includes morphogenesis, cellular differentiation, tropism, cell cycle, signaling, and various metabolic pathways. There was a higher representation of unknown processes such as unknown molecular functions (65.80 %), unknown biological processes (62.46 %), and unknown cellular components (67.42 %). However, these unknown transcripts represented a novel component of transcripts in tea plant bud growth and/or dormancy development. The identified transcripts and expressed sequence tags provides a valuable public resource and preliminary insights into the molecular mechanisms of bud dormancy regulation. Further, the findings will be the target of future expression experiments, particularly for further identification of dormancy-related genes in this species.
About the journal
JournalData powered by TypesetApplied Biochemistry and Biotechnology
PublisherData powered by TypesetSpringer Science and Business Media LLC
ISSN0273-2289
Open Access0