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BACKGROUND Ascorbic acid (AsA) is a unique antioxidant as well as an enzyme cofactor. Although it has multiple roles in plants, it is unclear how its accumulation is controlled at the expression level, especially in sink tissues. Kiwifruit (Actinidia) is well-known for its high ascorbate content. Our objective was to determine whether AsA accumulates in the(More)
Both sorbitol and sucrose are imported into apple fruit from leaves. The metabolism of sorbitol and sucrose fuels fruit growth and development, and accumulation of sugars in fruit is central to the edible quality of apple. However, our understanding of the mechanisms controlling sugar metabolism and accumulation in apple remains quite limited. We identified(More)
Marssonina apple blotch, caused by Diplocarpon mali (anamorph: Marssonina coronaria), is a serious disease of apple (Malus x domestica Borkh.). We evaluated the resistance of 28 cultivars and 39 species or biotypes after inoculating leaves with conidial suspensions in vitro and in vivo. Five accessions of the 28 apple cultivars showed a good level of(More)
Tomato volatiles, mainly derived from essential nutrients and health-promoting precursors, affect tomato flavor. Taste volatiles present a major challenge for flavor improvement and quality breeding. In this study, we performed genome-wide association studies (GWAS) to investigate potential chromosome regions associated with the tomato flavor volatiles. We(More)
The co-infection of Maize chlorotic mottle virus (MCMV) and Sugarcane mosaic virus (SCMV) can cause maize lethal necrosis. However, the mechanism underlying the synergistic interaction between these two viruses remains elusive. In this study, we found that the co-infection of MCMV and SCMV increased the accumulation of MCMV. Moreover, the profiles of(More)
The basic leucine zipper (bZIP) family is one of the largest transcription factor (TF) families in plants, which play crucial roles in plant growth and development. bZIP proteins are involved in multiple biological processes, as well as responses to various biotic/abiotic stresses. Although genome-wide analysis of the bZIP gene family has been conducted in(More)
Association mapping has been widely used to map the significant associated loci responsible for natural variation in complex traits and are valuable for crop improvement. Sugars and organic acids are the most important metabolites in tomato fruits. We used a collection of 174 tomato accessions composed of Solanum lycopersicum (123 accessions) and S.(More)