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- Title
Sucrose transport from source to sink seeds in rice.
- Authors
Jung Dae Lim; Jung-Il Cho; Youn-Il Park; Tae-Ryong Hahn; Sang-Bong Choi; Jong-Seong Jeon
- Abstract
In many higher plants, sucrose is loaded as a major carbon photoassimiliate into the phloem apoplastically by sucrose transporters (SUTs) and unloaded in sink tissues, where it serves as a storage material, carbohydrate backbone, and energy source. In sink tissues, a proportion of sucrose molecules are converted by cell wall invertases (CINs) into hexose that is imported into cells by monosaccharide transporters (MSTs). Thus, in developing seeds, co-ordinated regulation of SUTs, CINs, and MSTs is crucial in carbon distribution. Here, we summarize current efforts on the identification of SUTs, CINs, and MSTs in rice.
- Subjects
SUCROSE; TISSUES; CARBON; SUGAR; PRESERVATION of organs, tissues, etc.; HISTOLOGY; ORGANIC compounds; CRYOBIOLOGY; ORGANS (Anatomy)
- Publication
Physiologia Plantarum, 2006, Vol 126, Issue 4, p572
- ISSN
0031-9317
- Publication type
Article
- DOI
10.1111/j.1399-3054.2006.00654.x