Characterisation of a complementary DNA encoding a novel plant enzyme with sucrolytic activity.
The cloning of a 1332 bp cDNA from a potato (Solanum tuberosum L.) cv. Cara leaf cDNA expression library, using an antibody raised against a purified tuber protein preparation with sucrolytic activity, is described. The corresponding gene in potato is of low copy number, is expressed in a variety of tissues, and encodes a protein which includes several domains with similarity to database sequences, including ferredoxin from Clostridium pasteurianum. Expression of the cDNA in E. coli yields a fusion protein with sucrolytic activity.
Cell and Molecular Genetics Department, Scottish Crop Research Institute, Invergowrie, Dundee, UK.
G C
GC
Machray
L
L
Burch
P E
PE
Hedley
H V
HV
Davies
R
R
Waugh
D000595:Amino Acid Sequence; D001483:Base Sequence; D003001:Cloning, Molecular; D018076:DNA, Complementary; D004926:Escherichia coli / Q000235:genetics; D018628:Gene Dosage; D018506:Gene Expression Regulation, Plant; D015723:Gene Library; D017343:Genes, Plant / Q000235:genetics*; D006026:Glycoside Hydrolases / Q000235:genetics* / Q000378:metabolism; D008969:Molecular Sequence Data; D016366:Open Reading Frames / Q000235:genetics; D011993:Recombinant Fusion Proteins / Q000096:biosynthesis; D017422:Sequence Analysis, DNA; D017386:Sequence Homology, Amino Acid; D011198:Solanum tuberosum / Q000201:enzymology / Q000235:genetics*
D018076:DNA, Complementary; D011993:Recombinant Fusion Proteins; D006026:Glycoside Hydrolases