Ontology highlight
ABSTRACT:
PROVIDER: PRJNA818431 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR18426106.fastq.gz | Fastqsanger.gz | |||
| SRR18426107.fastq.gz | Fastqsanger.gz | |||
| SRR18426108.fastq.gz | Fastqsanger.gz | |||
| SRR18426109.fastq.gz | Fastqsanger.gz |
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Project description:The root-colonizing fungal endophyte Serendipita indica, formerly known as Piriformospora indica, is well known to promote plant biomass production and stress tolerance of its host plants. Co-cultivation of Arabidopsis thaliana seedlings with the fungus triggers a substantial induction of the growth of the root system. However, the molecular mechanisms by which the fungus promotes plant growth over an extended period of time is still unclear. We here report the comparative analysis of the effect of a mock- and S. indica-infection on wild-type Arabidopsis plants (Col-0) after 2 and 10 days of co-cultivation. Our data provide evidence for the induction of a number of genes that are consistingly induced during the plant–fungus interaction.
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Project description:Perennial ryegrass (Lolium perenne L.) is the most cultivated cool-season grass worldwide with crucial roles in carbon fixation and fodder for livestock. Protection of these grasses from biotic and abiotic factors are dictated through a mutually-beneficial relationship with endophytes that confer bioprotective properties. Common endophytes of the genus Epichloë promote the health and survival of cool-season forages greases and protect the plants from fluctuating environmental conditions. Climate change, and specifically, a steady increase in atmospheric CO2 levels, presents a dramatic and imminent threat faced by our ecosystem, which poses substantial pressures on plant health and survival. Defining the relationships between endophytes and the host plant may uncover mechanisms of bioprotection, which can be exploited to promote adaptable plant systems in rising CO2 conditions. In this study, we quantify changes in biomass and seed production of L. perenne L. at 400 and 800 ppm CO2 and identify endophyte-specific changes in metabolite production. Additionally, we discover protein-level changes from both the endophyte and plant perspectives, which underscore the compatible relationship between a common, natural endophyte and L. perenne L., compared to an incompatible and detrimental relationship the epichloid strain, AR1. Taken together, our data set provides new understanding into the intricacy of compatibility between endophyte and host from multiple molecular levels and suggests opportunity to promote plant robustness and survivability in rising CO2 environmental conditions through application of bioprotective epichloid strains.
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Project description:The root-colonizing fungal endophyte Serendipita indica, formerly known as Piriformospora indica, is well known to promote plant biomass production and stress tolerance of its host plants. Previous studies highlighted an important role of calcium Ca2+ signaling in the establishment of the plant–fungus interaction. We here report the comparative analysis of the effect of a mock- and S. indica-infection on both wild-type Arabidopsis plants (Col-3) and cbl7 knockout mutants. Our data provide evidence for the involement of the Ca2+ sensor CBL7 in the control of potassium distribution in the plant and in adjusting plant defense responses to allow the establishment of the plant–fungus symbiosis. The impairment of CBL7 was shown to translate into increased induction of plant defense-related genes.
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Project description:Inoculation of endophyte-free (E-) Theobroma cacao leaves with Colletotrichum tropicale (E+), the dominant foliar fungal endophyte in healthy T. cacao, induced significant changes in the expression of hundreds of host genes. Further, E+ leaves exhibit enhanced pathogen resistance, increased lignin and cellulose content, reduced maximum rates of photosynthesis (Amax), and enrichment of nitrogen-15 and carbon-13 isotopes that all correspond to the changes in expression of specific functional genes in related pathways. Moreover, a cacao gene highly up-regulated in E+ leaves increases pathogen resistance apart from any direct endophyte effects. Thus, benefits of increased pathogen resistance in E+ plants are partially due to enhanced induction of intrinsic host defense pathways, and potential costs include reduced photosynthetic capacity and endophyte metabolism of host tissues. Similar effects are likely to be properties of most plant-endophyte interactions, suggesting general relevance to the design and interpretation of studies of genetic and phenotypic expression in plants.
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