Ontology highlight
ABSTRACT:
PROVIDER: PRJEB10233 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR978469.fastq.gz | Fastqsanger.gz | |||
| ERR978470.fastq.gz | Fastqsanger.gz | |||
| ERR978471.fastq.gz | Fastqsanger.gz | |||
| ERR978472.fastq.gz | Fastqsanger.gz | |||
| ERR978473.fastq.gz | Fastqsanger.gz |
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Project description:Global warming has become a critical challenge to food safety, causing severe yield losses of major crops worldwide. Here, we report that the endophytic bacterium Enterobacter sp. SA187 induces thermotolerance of crops in a sustainable manner. Microbiome diversity of wheat plants is positively influenced by SA187 in open field agriculture, indicating that beneficial microbes can be a powerful tool to enhance agriculture in open field agriculture.
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Project description:In order to identify variety-specific differences in defense response induction, Scavina 6 (Sca6) and Imperial College Selection 1 (ICS1) cacao plantlets were treated with 2mM SA or water as control and leaves of three developmental stages (A,C, E) were collected. This process was repeated 3 times yielding 32 samples, (Stage E ICS1 and Stage A Sca6 were collected only twice.) Averaging across developmental stages within each genotype, ICS1 had 436 up- and 601 down-regulated genes and Sca6 had 490 up- and 447 down-regulated genes (Benjamini-Hochberg p-value < 0.05). Analysis of gene annotations and Gene Ontology terms revealed that more PR genes and genes associated with defense response were up-regulated in ICS1, the more pathogen-susceptible genotype, while Sca6 had more genes associated with photosynthesis and energy generation. Same 17k unigene array as described in Mejía LC, Herre EA, Sparks JP, Winter K, García MN, Van Bael SA, Stitt J, Shi Z, Zhang Y, Guiltinan MJ, Maximova SN. 2014. Pervasive effects of a dominant foliar endophytic fungus on host genetic and phenotypic expression in a tropical tree. Frontiers in Microbiology 5.
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Project description:High ambient temperature regulated the plant systemic response to the beneficial endophytic fungus Serendipita indica. Most plants in nature establish symbiotic associations with endophytic fungi in soil. Beneficial endophytic fungi induce a systemic response in the aboveground parts of the host plant, thus promoting the growth and fitness of host plants. Meanwhile, temperature elevation from climate change widely affects global plant biodiversity as well as crop quality and yield. Over the past decades, great progresses have been made in the response of plants to high ambient temperature and to symbiosis with endophytic fungi. However, little is known about their synergistic effect on host plants. The endophytic fungus Serendipita indica colonizes the roots of a wide range of plants, including Arabidopsis. Based on the Arabidopsis-S. indica symbiosis experimental system, we analyzed the synergistic effect of high ambient temperature and endophytic fungal symbiosis on host plants. By transcriptome analysis, we found that DNA replication-related genes were significantly upregulated during the systemic response of Arabidopsis aboveground parts to S. indica colonization. Plant hormones, such as jasmonic acid (JA) and ethylene (ET), play important roles in plant growth and systemic responses. We found that high ambient temperature repressed the JA and ET signaling pathways of Arabidopsis aboveground parts during the systemic response to S. indica colonization in roots. Meanwhile, PIF4 is the central hub transcription factor controlling plant thermosensory growth under high ambient temperature in Arabidopsis. PIF4 is also involving JA and/or ET signaling pathway. We found that PIF4 target genes overlapped with many differentially expressed genes (DEGs) during the systemic response, and further showed that the growth promotion efficiency of S. indica on the pif4 mutant was higher than that on the wild type plants.
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