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Amino Acids and Ribose: Drivers of Protein and RNA Fermentation by Earthworm Gut Bacteria.

ABSTRACT: Amino Acids and Ribose: Drivers of Protein and RNA Fermentation by Earthworm Gut Bacteria.

PROVIDER: PRJEB32430 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR3311380_1.fastq.gz	Fastqsanger.gz
	ERR3311380_2.fastq.gz	Fastqsanger.gz
	ERR3311371_1.fastq.gz	Fastqsanger.gz
	ERR3311371_2.fastq.gz	Fastqsanger.gz
	ERR3311381_1.fastq.gz	Fastqsanger.gz

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Amino Acids and Ribose: Drivers of Protein and RNA Fermentation by Earthworm Gut Bacteria.

Project description:Amino Acids and Ribose: Drivers of Protein and RNA Fermentation by Earthworm Gut Bacteria.

| PRJEB32429 | ENA

Amino Acids and Ribose: Drivers of Protein and RNA Fermentation by Earthworm Gut Bacteria.

Project description:Amino Acids and Ribose: Drivers of Protein and RNA Fermentation by Earthworm Gut Bacteria.

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D-amino acids enrichment

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Impact of Preoperative Oral Branched-chain Amino Acids on Reducing Postoperative Insulin Resistance.

Project description:Postoperative insulin resistance refers to the phenomenon that the body’s glucose uptake stimulated by insulin is reduced due to stress effects such as trauma or the inhibitory effect of insulin on liver glucose output is weakened after surgery. There is a clear link between postoperative insulin resistance and poor perioperative prognosis. Therefore, exploring interventions to reduce postoperative stress insulin resistance, stabilize postoperative blood glucose, and reduce postoperative complications are clinical problems that need to be solved urgently. In recent years, research on branched-chain amino acids and metabolic diseases has become a hot spot. Studies have found that in the rat model, preoperatively given a high branched-chain amino acid diet can inhibit postoperative insulin resistance and stabilize blood glucose levels. This research plan is to try to add branched-chain amino acids before surgery to observe the occurrence of postoperative insulin resistance in patients.

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earthworm tissue, mass-spectrometry imaging

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An internal nutrient sensor detects specific dietary amino acids and promotes food consumption in Drosophila

Project description:Adequate protein intake is crucial for animals. Despite the recent progress in understanding protein hunger and satiety in the fruit fly Drosophila melanogaster, how fruit flies assess prospective dietary protein sources and ensure protein consumption remains elusive. We show here that three specific amino acids, L-glutamate (L-Glu), L-alanine (L-Ala), and L-aspartate (L-Asp), but not the D-enantiomers, rapidly promote food consumption in fruit flies when present in food. The effect of dietary amino acids to promote food consumption is independent of mating experience and internal nutritional status. Calcium imaging experiments show that six brain neurons expressing diuretic hormone 44 (DH44) can be rapidly and directly activated by these three amino acids during feeding. Genetic analysis shows that DH44+ neurons are both necessary and sufficient for dietary amino acids to promote food consumption. By conducting single cell RNAseq analysis, we also identify a amino acid transporter, CG13248, which is highly expressed in DH44+ neurons and is required for dietary amino acids to promote food consumption. Therefore, these data suggest that dietary amino acids may enter DH44+ neurons via CG13248 and modulate their activity and hence food consumption. Taken together, these data identify an internal amino acid sensor in the fly brain that evaluate food sources post-ingestively and facilitates adequate protein intake. These results shed critical light on the regulation of protein homeostasis at organismal levels by the nervous system.

2018-05-04 | GSE113990 | GEO

Amino Acids as a Major Carbon Source for Hepatic Lipogenesis

Project description:Amino Acids as a Major Carbon Source for Hepatic Lipogenesis

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Construction the adult earthworm cell atlas at single cell resolution.

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Arabidopsis heat stress-induced proteins are enriched in electrostatically charged amino acids and intrinsically disordered regions

Project description:Comparison of the proteins of thermophilic, mesophilic and psychrophilic prokaryotes has revealed a number of features characteristic to proteins adapted to high temperatures, which increase their thermostability. These characteristics include an excess of disulfide bonds, salt bridges, hydrogen bonds, and hydrophobic interactions, and a depletion in intrinsically disordered regions. It is unclear, however, whether such differences can also be observed when comparing proteins that are adapted to temperatures that are more subtly different. When an organism is exposed to high temperatures, a subset of its proteins are overexpressed (heat-induced proteins), whereas others are repressed (heat-repressed proteins). Here, we determine the expression levels of all Arabidopsis thaliana genes at 22 and 37°C, and compare the amino acid compositions and levels of intrinsic disorder of heat-induced and heat-repressed proteins. We show that heat-induced proteins are enriched in electrostatically charged amino acids and depleted in polar amino acids, mirroring thermopile proteins. However, in contrast with thermophile proteins, heat-repressed proteins are enriched in intrinsically disordered regions and depleted in hydrophobic amino acids. These results indicate that temperature adaptation at the level of amino acid composition and intrinsic disorder can be observed not only in proteins of thermophilic organisms, but also in eukaryotic heat-induced proteins; however, the underlying adaptation pathways are similar but not exactly the same.

2019-05-16 | GSE116592 | GEO

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