A cDNA clone for phenylalanine ammonia-lyase (PAL) induced in wounded sweet potato (Ipomoea batatas Lam.) root was obtained by immunoscreening a cDNA library. The protein produced in Escherichia coli cells containing the plasmid pPAL02 was indistinguishable from sweet potato PAL as judged by Ouchterlony double diffusion assays. The M(r) of its subunit was 77,000. The cells converted [(14)C]-l-p...

With the purpose of enhancing environmental stress tolerance of sweet potato (Ipomoea batatas, cv. Kokei 14), we transformed this plant with spermidine synthase genes derived from Cucurbita ficifolia (FSPD1). The FSPD1-transgenic plants showed twice as high spermidine content as the wild type (WT) counterpart in both leaves and storage roots. One of the most characteristic features of the trans...

Previously we showed that acid invertase activity increased and then decreased rapidly in wounded sweet potato (Ipomoea batatas Liam.) root tissue, and that the tissue contained a heat-stable, proteinaceous inhibitor with a molecular weight of about 19,500 daltons.In response to wounding of sweet potato root tissue, inhibitor activity decreased during the increase in invertase activity but late...

MYB transcription factors play important roles in transcriptional regulation of many secondary metabolites including anthocyanins. We cloned the R2R3-MYB type IbMYB1 complementary DNAs from the purple-fleshed sweet potato (Ipomoea batatas L. cv Sinzami) and investigated the expression patterns of IbMYB1 gene with IbMYB1a and IbMYB1b splice variants in leaf and root tissues of various sweet pota...

Sweetpotato (Ipomoea batatas (L.) Lam.) is the third most important root crop in the world, ranking seventh among all crops in global production and fourth in developing countries after rice, wheat, and corn (10). In Africa, sweetpotato plays a vital role in peoples’ ability to sustain their families, especially during periods of hardship. However, sweetpotato plants, like other crops, are sign...

Sweet potato (Ipomoea batatas (L.) Lam) is one of Malaysia’s underutilized main crops. However, systematic characterization phytochemical and mineral contents the sweet tuber flour still required for further specific food product development. Therefore, this study aims to evaluate effects peeling conditions on nutritional composition Anggun 1 cultivar. The following properties were investigated...

THE USE OF PURPLE SWEET POTATO MEAL (Ipomea batas L) AS A FILLER ON SENSORIC CHARACTERISTIC CHICKEN SAUSAGE. This study aims to know how the use of purple sweet potato meal (Ipomoea batatas as filler on sensory characteristic chicken sausage. The materials used in this were fresh breast, meal. Design research was Completely Randomized (RAL). treatment R1: adding 10 g; R2: 20 R3: 30 g dan R4: 40...