Project description:We did whole-genome methylation sequencing for 21 Vaccinium samples. This project attempts to analyze the improvement breeding process of cultivated blueberry from two aspects of heredity and epigenetic inheritance.

2024-05-20 | GSE228041 | GEO

Genomic-environmental associations in wild cranberry (Vaccinium macrocarpon Ait.).

Project description:Understanding the genetic basis of local adaptation in natural plant populations, particularly crop wild relatives, may be highly useful for plant breeding. By characterizing genetic variation for adaptation to potentially stressful environmental conditions, breeders can make targeted use of crop wild relatives to develop cultivars for novel or changing environments. This is especially appealing for improving long-lived woody perennial crops such as the American cranberry (Vaccinium macrocarpon Ait.), the cultivation of which is challenged by biotic and abiotic stresses. In this study, we used environmental association analyses in a collection of 111 wild cranberry accessions to identify potentially adaptive genomic regions for a range of bioclimatic and soil conditions. We detected 126 significant associations between SNP marker loci and environmental variables describing temperature, precipitation, and soil attributes. Many of these markers tagged genes with functional annotations strongly suggesting a role in adaptation to biotic or abiotic conditions. Despite relatively low genetic variation in cranberry, our results suggest that local adaptation to divergent environments is indeed present, and the identification of potentially adaptive genetic variation may enable a selective use of this germplasm for breeding more stress-tolerant cultivars.

| S-EPMC9526045 | biostudies-literature

Coumaroyl iridoids and a depside from cranberry (Vaccinium macrocarpon).

Project description:Cranberry (Vaccinium macrocarpon) juice has been used for urinary tract infections for approximately 50 years. Recent research suggests that this botanical blocks adherence of pathogenic E. coli to urinary tract cells, thus preventing infection. While current evidence indicates that proanthocyanidins are responsible for this activity, these compounds may not reach the urinary tract; thus further investigation is warranted. Fractionation of cranberry juice concentrate was guided by a recently published antiadherence assay, and the resulting fractions were phytochemically characterized. Two new coumaroyl iridoid glycosides, 10-p-trans- (1) and 10-p-cis-coumaroyl-1S-dihydromonotropein (2), and a depside, 2-O-(3,4-dihydroxybenzoyl)-2,4,6-trihydroxyphenylmethylacetate (3), were isolated, and although these compounds did not have antiadherent activity in isolation, they might constitute a new group of marker compounds for this active fraction of cranberry.

| S-EPMC1847405 | biostudies-literature

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