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- Title
Exploring the Molecular Mechanisms Underlying Mulberry Bud Break : Insights from an In-silico Expression Analysis.
- Authors
THOMAS, TINU; SHRIDHAR, S.; NATARAJA, KARABA N.
- Abstract
Mulberry (Morus spp.) is a perennial tree species that are commercially exploited for its leaves. Rapid regrowth after foliage harvest is important in the sericulture industry and re-growth is dependent on uniform bud break. While previous research has characterized bud break stages and tried to induce uniform bud break, the underlying mechanisms behind this process are largely unknown. The present study aims to investigate the potential involvement of the genes responsible for mulberry bud break using an in-silico expression analysis. This research is motivated by the observed similarities between the process of bud break in tree systems and the germination process in annual plants, including the overlap of pathways and mechanisms. The study used existing transcriptome data generated on the bud break process in mulberry and the genes belonging to different regulatory pathways were selected. The Arabidopsis homologues of the select genes were then analyzed for their expression patterns during the seed germination process using the e-Northern expression browser from the Botany Array Resource. The results indicate that the selected genes, particularly those involved in hormonal pathways, symplastic connectivity, antioxidant and redox processes and the cell cycle, are represented in seed germination datasets and play a role in growth induction. These findings provided insight into the molecular mechanisms underlying bud break in mulberry plants and indicated that some of the mechanisms might be similar to those involved in seed germination.
- Subjects
MULBERRY; BUDS; GERMINATION; ANNUALS (Plants); BOTANY; CELL cycle
- Publication
Mysore Journal of Agricultural Sciences, 2023, Vol 57, Issue 4, p383
- ISSN
0047-8539
- Publication type
Article