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The potato genotypes (Solanum tuberosum L.) with russet tuber skin are generally resistant to powdery scab (Spongospora subterranea f.sp. subterranea or Sss). Lipoxygenase (LOX; EC and patatin are two key storage proteins that are known to offer resistance to several diseases and insects. The objective of this study was to find out the(More)
Anthocyanin content of potato tubers is a trait that is attracting increasing attention as the potential nutritional benefits of this class of compound become apparent. However, our understanding of potato tuber anthocyanin accumulation is not complete. The aim of this study was to use a potato microarray to investigate gene expression patterns associated(More)
The diversity of traits in varieties of potato outside of its South American birthplace is a small subset of that available in the Andean center of origin. Among the traits that evoke most interest are skin and flesh pigments. Recent studies have pointed to the high antioxidant activity and potential healthful benefits from these pigments or other(More)
Potato chips are the most popular snack foods consumed in Western countries. Potato chips contain beneficial bioactive compounds such as resistant starch, polyphenols etc. along with naturally occurring glycoalkaloids (GA) and processing induced acrylamide (AL). Information on the effect of genotype and storage on both GA and AL are limited. In this study(More)
The aim of this study was to describe the variability in the root-associated bacterial community due to location and clone, and to determine whether an underlying core bacterial community exists that might benefit the quality of the potato crop. Root-associated bacterial communities from one growing season were examined with 454 sequencing. Variance(More)
Potato plants are being supplemented with selenium (Se) to enrich tubers with Se for health benefits. Se is not an essential nutrient and interferes with the metabolism of sulfur (S) in plants. The objective of the present investigation was to study the activities of Se-independent glutathione peroxidase (Se-Ind-GPx), Se-dependent glutathione peroxidase(More)
Reliable pedigree information facilitates a scientific approach to breeding, but errors can be introduced in many stages of a breeding program. Our objective was to use single nucleotide polymorphisms (SNPs) to check the pedigree records of elite North American potato germplasm. A population of 719 tetraploids was genotyped with an Infinium SNP array,(More)
ATTX961014-1R/Y is a high yielding, red- skin, yellow- flesh cultivar which was released by Texas A&M AgriLife Research in 2012. It resulted from a cross of A90601-2RDY(♀) by Mazama(♂). ATTX961014-1R/Y is susceptible to late blight (Phytophthora infestans), potato leaf roll virus (PLRV), and potato virus Y (PVY). It is moderately susceptible to common scab(More)
Proteinase inhibitor 2 (PI2), isolated from potatoes is associated with the release of cholecystokinin (CCK), a satiety factor in humans. PI2 is the active ingredient of Slendesta® Potato Extract. The effect of harvest date on the levels of proteinase inhibitor 2 (PI2), total protein content and total glycoalkaloids (TGA) was studied in two potato (Solanum(More)