Effects of Sucrose on Germination and Seedling Development of Brassica Napus

Sucrose is the major carbon form translocated in higher plants, and also works as an important signaling molecule thatregulates genes involved in photosynthesis, metabolism, and developmental processes. Many studies focused onglucose, normal decomposed product of sucrose, demonstrated that glucose resulted in a delay of germination and aninhibition of seedling development. In this study, we determined the effects of sucrose on germination kinetics andseedlings development. Our results indicated that exogenous sucrose didn’t have a similar role to glucose, showed167mM sucrose delayed the rate of seed germination in wild-ecotype seeds by extending peak time of germination, andhad multiple roles to seedling development. Overhigh concentration of sucrose (333mM) restrained germination andseedling development seriously. Further experiments of transcript profiles of genes involved in energy and carbohydratemetabolism indicated that seedlings absorbed and utilized the exogenous sucrose as a priority while reduced the needfor internal source.

• Publication year

  2010

• Venue

  International Journal of Biology

• Publication date

  Unknown publication date

• Fields of study

  Biology

• Identifiers
  DOI 10.5539/IJB.V2N1P150
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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