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Rice amino acid transporter OsMP1 is involved in amino acid homeostasis and mediates broad-spectrum resistance to blast fungus and bacterial blight through upregulating JA signaling pathway

ABSTRACT: Rice amino acid transporter OsMP1 is involved in amino acid homeostasis and mediates broad-spectrum resistance to blast fungus and bacterial blight through upregulating JA signaling pathway

PROVIDER: PRJNA968161 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24461501_1.fastq.gz	Fastqsanger.gz
	SRR24461501_2.fastq.gz	Fastqsanger.gz
	SRR24461502_1.fastq.gz	Fastqsanger.gz
	SRR24461502_2.fastq.gz	Fastqsanger.gz
	SRR24461503_1.fastq.gz	Fastqsanger.gz

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Rice amino acid transporter OsMP1 is involved in amino acid homeostasis and mediates broad-spectrum resistance to blast fungus and bacterial blight through upregulating JA signaling pathway

Project description:To investigate the molecular mechanisms about how OsMP1 regulates rice blast resistance, we established the CR4 line in which target gene has been knocked down by CRISPR-Cas9 gene editing. We then performed gene expression profiling analysis using data obtained from RNA-seq of CR4 and wild-type Hei.

2024-09-16 | GSE231856 | GEO

Effect of jasmonic acid (JA) on the metabolome of actinobacteria

Project description:Actinobacteria are prevalent in the rhizosphere and phyllosphere of diverse plant species where they help to enhance tolerance of plants against biotic and abiotic stresses. Here, we show that the plant hormones jasmonic acid (JA) and methyljasmonate (MeJA) alter growth, development and specialized metabolism of Streptomyces. Exposure of Streptomyces coelicolor to JA or MeJA led to enhanced production of the polyketide antibiotic actinorhodin. JA also exhibited toxicity towards Streptomycetaceae, whereby streptomycetes were more tolerant to JA than members of the genus Streptacidiphilus. This defensive response was associated with amino acid conjugation of JA with glutamine (Gln)-JA as the most prevalent conjugant, while conjugates with Val, Tyr, Phe and Leu/Ile were identified after longer exposure to JA. Synthetic JA conjugates failed to activate antibiotic production and showed significantly reduced toxicity. Thus, our findings shed light on a previously unknown defense mechanism deployed by Streptomyces, with amino acid conjugation protecting against the toxic effects of plant hormones. This study adds to the growing body of evidence that plant hormones can have a significant impact on members of the plant microbiome by affecting their growth, development, and secondary metabolism.

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Neandertal Amino Acid Capture project

Project description:Neandertal Amino Acid Capture project

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Long-lasting effect of jasmonic acid (JA) seedling treatment on the transcriptional response to JA challenge of five-week-old Arabidopsis thaliana (ecotype Col-0).

Project description:Treatment of Arabidopsis thaliana (ecotype Col-0) seedlings with jasmonic acid (JA) elicits long-term induced resistance (IR) against the chewing herbivore Spodoptera littoralis. We used RNA-seq to profile the transcriptional changes associated with this long-lasting JA-IR.

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Amino acid misincorporation promotes mRNA instability

Project description:Amino acid misincorporation promotes mRNA instability

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Correlation between JA and jasmonic acid receptor COI1 in tobacco

Project description:JA-signaling in plants is manipulated by COI1 that recruits the protein complex perceiving JA signal . To determine JA correlated with the function of tobacco COI1, NtCOI1-silenced and control before and after MeJA treatment were analyzed using microarray chip.

2024-11-28 | GSE282523 | GEO

Microarray analysis of rice plants exposed to jasmonic acid (JA)

Project description:In this study, integrated transcriptomics and proteomics approaches were applied to investigate the molecular responses of JA in the shoots of 7-days old rice (cv. Nipponbare) seedlings exposed to 5 micromolar JA for a period of 7 days. Based on the morphological alteration of JA-exposed rice seedlings, transcript profiling of rice genes was performed in seedlings using rice DNA microarray chip, and proteomics by 2-DGE. This systematic survey showed that JA triggers a chain reaction of altered gene and protein expressions involved in multiple cellular processes in rice growth and development and defense. Keywords: JA exposure response

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Identification of JA/COI1-regulated genes in tomato reproductive tissue and JA-treated roots.

Project description:Jasmonic acid (JA) is a fatty-acid derived signaling molecule that regulates a wide variety of plant developmental and stress-related responses. We identified a jasmonate-insensitive1 (jai1) mutant of tomato that is defective in the LeCOI1 gene, which plays an essential role in induced resistance of tomato to a broad spectrum of pests, and is also required for maternal control of seed and fruit development. The present study is aimed at identifying genes involved in two JA-signaled processes that have not been studied in other plants. The first specific aim is to identify the set of JA/COI1-regulated genes in tomato reproductive tissues, with emphasis on genes expressed in maternal tissues. We hypothesize that JA/COI1 signaling regulates maternal processes that nurture the developing embryo and seed. The second aim of the study is to identify JA/COI1-regulated genes that are specifically expressed in tomato roots. Although it has been shown that JA promotes root defenses against various pests, virtually nothing is known about the JA-regulated transcriptome in roots. Tomato (Solanum lycopersicum) cv Micro-Tom wild-type and jai1 seed were grown in peat pots and maintained in growth chambers. To identify COI1-regulated genes in reproductive tissues, flower buds, open flowers and immature fruit at 7 and 17 days post-pollination were collected from 8 to 10 week old plants. To identify COI1-regulated genes in roots, 3 week old plants were exposed to exogenous JA by a single soil drench with 0.1mM JA, and roots were collected after 1, 6, 12 and 24 hours. Plants treated with water were used for the 0hr time point. All tissue was snap-frozen in liquid nitrogen, and RNA was extracted and analyzed as described in the TIGR Potato Microarray protocol (phenol method). Three biological replicates were collected for this study. Keywords: Direct comparison

2007-09-01 | GSE8284 | GEO

Amino acid misincorporation promotes mRNA instability

Project description:Messenger RNA (mRNA) translation can lead to higher rates of mRNA decay, suggesting a role for the ribosome in mRNA destruction. Furthermore, features of an mRNA, such as codon identities, that are directly probed by the ribosome also correlate with mRNA decay rates. Specifically, many amino acids are encoded by synonymous codons, and some synonymous codons are decoded by more abundant tRNAs leading to more optimal translation and increased mRNA stability. In addition to different translation rates, the presence of individual codons can lead to higher or lower rates of amino acid misincorporation which could potentially lead to protein misfolding if an individual amino acid makes many critical contacts in a structure. Here, we directly test whether amino acid misincorporation affects mRNA stability, taking advantage of an aminoglycoside antibiotic (G418) which promotes higher error rates in the ribosome. We observe that G418 decreases firefly luciferase mRNA stability in an in vitro system, and we similarly observe that G418 reduces mRNA stability in mouse embryonic stem cells (mESCs). G418-sensitive mRNAs are enriched for suboptimal hydrophobic amino acid codons as well as other codons that are known to result in higher rates of amino acid misincorporation. Since protein folding is highly sensitive to the identity of hydrophobic amino acids, these results strongly suggest that defects in protein folding are linked to mRNA decay.

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