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European green crab (Carcinus maenas) gut

ABSTRACT: Diet of Green Crabs in New England Estuaries using Metagenomic Techniques

PROVIDER: PRJNA1114726 | ENA |

REPOSITORIES: ENA

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Effects of elevated seawater pCO2 on gene expression patterns in the gills of the green crab, Carcinus maenas

2011-10-10 | GSE28870 | GEO

Effects of elevated seawater pCO2 on gene expression patterns in the gills of the green crab, Carcinus maenas

Project description:In order to promote our understanding of the responses of green crab acid-base regulatory epithelia to high pCO2, Baltic Sea green crabs were exposed to a pCO2 of 400 Pa for 3 and 7 days after which posterior gills 7 and 9 were sampled. Gills were then subsequently screened for differentially expressed gene transcripts using a 4,462-feature microarray developed by Towle et al. 2010. For each experimental block (gill7-day3, gill7-day7, gill9-day3, gill9-day7), 6 replicate samples were obtained for control (= 39 Pa) and elevated (= 400 Pa) pCO2 exposed animals. Each microarray slide included 4 technical replicates for each transcript and was hybridized with one control pCO2 (labelled with AlexaFluor555) and one elevated pCO2 cDNA (labelled with AlexaFluor647). Lowess-normalized gene expression was calculated as the log2 of the ratio of the fluorescence intensity of the CO2-treatment cDNA to the fluorescence intensity of the control cDNA (log2 ratio=F635/F532).

2011-10-09 | E-GEOD-28870 | biostudies-arrayexpress