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- Title
Insulin Accelerates Seedling Growth of Canavalia ensiformis (Jack bean).
- Authors
Antônia E.A. Oliveira; Elane S. Ribeiro; Maura da Cunha; Valdirene M. Gomes; Kátia V.S. Fernandes; José Xavier-Filho
- Abstract
Insulin is a 6 kDa peptide hormone that activates several metabolic processes and cellular growth. Germination studies showed that insulin, vanadyl sulphate (an insulin mimetic compound), tyrphostin (an inhibitor of insulin receptor kinase activity), pinitol (a chiro inositol analogue) and glucose were able to accelerate Canavalia ensiformis (Jack bean) seedling radicle and epicotyl development. Immunofluorescence microscopy analysis showed that proteins binding to insulin, insulin receptor and phosphoserine antibodies are localized in an internal layer of the C. ensiformis seed coat. These results and others previously reported from our laboratory suggest that insulin, insulin receptor and phosphoserine proteins could be components of signalling pathways akin to those present in animals.
- Publication
Plant Growth Regulation, 2004, Vol 43, Issue 1, p57
- ISSN
0167-6903
- Publication type
Article
- DOI
10.1023/b:grow.0000038259.34384.0c