ArticlePloS one2014
Contrasting metabolism in perenniating structures of upland and lowland switchgrass plants late in the growing season.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 27 citations in OpenAlex.
- Divergent Metabolic Changes in Rhizomes of Lowland and Upland Switchgrass (Plants (Basel, Switzerland) · 2023Article
- Genomic prediction of switchgrass winter survivorship across diverse lowland populations.G3 (Bethesda, Md.) · 2023Article
- The genetic basis of the root economics spectrum in a perennial grass.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- QTL mapping of winter dormancy and associated traits in two switchgrass pseudo-F1 populations: lowland x lowland and lowland x upland.BMC plant biology · 2020Article
- Genome-wide identification of histone methylation (H3K9BMC genomics · 2019Article
- Transcriptome divergence during leaf development in two contrasting switchgrass (Panicum virgatum L.) cultivars.PloS one · 2019Article
- Breeding of fragrant cyclamen by interspecific hybridization and ion-beam irradiation.Breeding science · 2018Review
- Transcriptional analysis of defense mechanisms in upland tetraploid switchgrass to greenbugs.BMC plant biology · 2017Article
- Comparative transcriptome profiling of upland (VS16) and lowland (AP13) ecotypes of switchgrass.Plant cell reports · 2017Article
- Transcriptome analysis in switchgrass discloses ecotype difference in photosynthetic efficiency.BMC genomics · 2016Article
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSwitchgrass (Panicum virgatum L.) is being developed as a bioenergy crop for many temperate regions of the world. One way to increase biomass yields is to move southern adapted lowland cultivars to more northern latitudes. However, many southerly adapted switchgrass germplasm can suffer significant winter kill in northerly climes. MATERIALS AND
methodsHere, we have applied next-generation sequencing in combination with biochemical analyses to query the metabolism of crowns and rhizomes obtained from two contrasting switchgrass cultivars. Crowns and rhizomes from field-grown lowland (cv Kanlow) and upland (cv Summer) switchgrass cultivars were collected from three randomly selected post-flowering plants. Summer plants were senescing, whereas Kanlow plants were not at this harvest date.
resultsPrincipal component analysis (PCA) differentiated between both the Summer and Kanlow transcriptomes and metabolomes. Significant differences in transcript abundances were detected for 8,050 genes, including transcription factors such as WRKYs and those associated with phenylpropanoid biosynthesis. Gene-set enrichment analyses showed that a number of pathways were differentially up-regulated in the two populations. For both populations, protein levels and enzyme activities agreed well with transcript abundances for genes involved in the phenylpropanoid pathway that were up-regulated in Kanlow crowns and rhizomes. The combination of these datasets suggests that dormancy-related mechanisms had been triggered in the crowns and rhizomes of the Summer plants, whereas the crowns and rhizomes of Kanlow plants had yet to enter dormancy.
conclusionsDelayed establishment of dormancy at more northerly latitudes could be one factor that reduces winter-survival in the high-yielding Kanlow plants. Understanding the cellular signatures that accompany the transition to dormancy can be used in the future to select plants with improved winter hardiness.
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