Abstract
A cDNA clone encoding an invertase isoenzyme has been isolated from a potato leaf cDNA library. The deduced amino acid sequence shows significant similarities to previously characterised invertases. The highest degree of overall similarity, including the signal peptide sequence, is to carrot cell wall invertase, suggesting that the potato gene encodes an apoplastic enzyme. Expression of the gene, as determined by RT-PCR, is detected in stem and leaf tissue, and at lower levels in tuber, but is absent from roots.
MeSH Terms
Amino Acid Sequence
Base Sequence
Cell Line
Cloning, Molecular
DNA
Glycoside Hydrolases/biosynthesis,genetics
Isoenzymes/biosynthesis,genetics
Molecular Sequence Data
Polymerase Chain Reaction
Sequence Homology, Amino Acid
Solanum tuberosum/enzymology,genetics
beta-Fructofuranosidase
Chemicals
Isoenzymes
DNA
Glycoside Hydrolases
beta-Fructofuranosidase
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Hedley P E
Scottish Crop Research Institute, Dundee, UK.
Machray G C
Davies H V
Burch L
Waugh R
References (15)
15 references, click to expand
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