Training

Overview

Project dedicated for training. The content is private so no limit for your tests.

SEEK ID: https://research-sharing.cesgo.org/projects/11

Public web page: Not specified

Organisms: Saccharomyces cerevisiae

CesGO PALs: No PALs for this Project

Project created: 25th Aug 2017

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Country:  France

City: Rennes (35)

Web page: http://www.biogenouest.org/

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Country:  France

City: Paris

Web page: Not specified

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Country:  France

City: Rennes

Web page: https://geh.univ-rennes1.fr/

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S288c
Training

Submitter: Not available

Provider Name: Not specified

Provider's strain ID: Not specified

Organism: Saccharomyces cerevisiae

Genotypes: Deletion HAP1;Deletion MIP1

Phenotypes: Reduction of mitochondrial function; Increases petite frequency

Comment: Not specified

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BioMAJ2Galaxy: automatic update of reference data in Galaxy using BioMAJ
Training

Abstract

Not specified

Authors: Anthony Bretaudeau, Cyril Monjeaud, Yvan Le Bras, Fabrice Legeai, Olivier Collin

Date Published: 1st Dec 2015

Publication Type: Not specified

Ultraviolet-B wavelengths regulate changes in UV absorption of cleaner fish Labroides dimidiatus mucus.
Training

Abstract (Expand)

High-energy wavelengths in the ultraviolet-B (UVB, 280-315 nm) and the UVA (315-400-nm) portion of the spectrum are harmful to terrestrial and aquatic organisms. Interestingly, UVA is also involved in … the repair of UV induced damage. Organisms living in shallow coral reef environments possess UV absorbing compounds, such as mycosporine-like amino acids, to protect them from UV radiation. While it has been demonstrated that exposure to UV (280-400 nm) affects the UV absorbance of fish mucus, whether the effects of UV exposure vary between UVB and UVA wavelengths is not known. Therefore, we investigated whether the UVB, UVA, or photosynthetically active radiation (PAR, 400-700 nm) portions of the spectrum affected the UV absorbance of epithelial mucus and Fulton's body condition index of the cleaner fish Labroides dimidiatus. We also compared field-measured UV absorbance with laboratory based high-performance liquid chromatography measurements of mycosporine-like amino acid concentrations. After 1 week, we found that the UV absorbance of epithelial mucus was higher in the UVB+UVA+PAR treatment compared with the UVA+PAR and PAR only treatments; after 2 and 3 weeks, however, differences between treatments were not detected. After 3 weeks, Fulton's body condition index was lower for fish in the UVB+UVA+PAR compared with PAR and UVA+PAR treatments; furthermore, all experimentally treated fish had a lower Fulton's body condition index than did freshly caught fish. Finally, we found a decrease with depth in the UV absorbance of mucus of wild-caught fish. This study suggests that the increase in UV absorbance of fish mucus in response to increased overall UV levels is a function of the UVB portion of the spectrum. This has important implications for the ability of cleaner fish and other fishes to adjust their mucus UV protection in response to variations in environmental UV exposure.

Authors: J. P. Zamzow, U. E. Siebeck, M. J. Eckes, A. S. Grutter

Date Published: 22nd Oct 2013

Publication Type: Not specified

Cardiac R2* values are independent of the image analysis approach employed.
Training

Abstract (Expand)

PURPOSE: To determine whether systematic differences were present between myocardial R2* values obtained with two different decay models: truncation and exponential + constant (Exp-C). METHODS: … Single-center cohorts were used to compare black and bright blood sequences separately, and a multicenter cohort of mixed bright and black blood studies was used to assess the generalizability. Truncated exponential estimates were calculated with CMRtools, which uses a single region of interest (ROI) method. Exp-C estimates were calculated using a pixelwise approach. RESULTS: No differences could be distinguished based upon whether a white or black blood sequence was examined. The two fitting algorithms yielded similar R2* values, with R-squared values exceeding 0.997 and a coefficient of variation of 3% to 4%. Results using the pixelwise method yielded a small systematic bias ( approximately 3%) that became apparent in patients with severe iron deposition. This disparity disappeared when Exp-C fitting was used on a single ROI, suggesting that the use of pixelwise mapping was responsible for the bias. In the multicenter cohort, the strong agreement between the two fitting approaches was reconfirmed. CONCLUSION: Cardiac R2* values are independent of the signal model used for its calculation over clinically relevant ranges. Clinicians can compare results among centers using these disparate approaches with confidence.

Authors: A. Meloni, H. Y. Jr Rienhoff, A. Jones, A. Pepe, M. Lombardi, J. C. Wood

Date Published: 15th Oct 2013

Publication Type: Not specified

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