Immunocytochemical localization of ADPglucose pyrophosphorylase in developing potato tuber cells
Journal Article
·
· Plant Physiology; (USA)
- Washington State Univ., Pullman (USA)
- Michigan State Univ., East Lansing (USA)
The subcellular localization of ADPglucose pyrophosphorylase, a key regulatory enzyme in starch biosynthesis, was determined in developing potato tuber cells by immunocytochemical localization techniques at the light microscopy level. Specific labeling of ADPglucose pyrophosphorylase by either immunofluorescence or immunogold followed by silver enhancement was detected only in the amyloplasts and indicates that this enzyme is located exclusively in the amyloplasts in developing potato tuber cells. Labeling occurred on the starch grains and, in some instances, specific labeling patterns were evident which may be related to sites active in starch deposition.
- OSTI ID:
- 5859451
- Journal Information:
- Plant Physiology; (USA), Vol. 91:1; ISSN 0032-0889
- Country of Publication:
- United States
- Language:
- English
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