Pilot study measuring cyanobacterial ecotype specific grazing rates
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ABSTRACT:
PROVIDER: PRJEB14225 | ENA |
REPOSITORIES: ENA
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Project description:By comparing transcriptomes of tolerant and intolerant plants of sickle alfalfa subject to intensive animal grazing, we identified pathways involved in nutrient-responsive signaling, light and wound response, cell wall formation, and energy metabolism. In these pathways, grazing suppressed 39 genes, but less severe in the tolerant plant, and activated 5 genes all carrying polymorphisms in their homologous transcripts between the tolerant and intolerant plants. These genes and pathways - responsive to grazing and differentially expressed between the tolerant and intolerant plants â?? underline a defense mechanism in alfalfa against grazing stresses. We examined transcriptomes of 3 alfalfa plants: grazing tolerant and grazed, grazing tolerant and not grazed, grazing intolerant and grazed, all at single replicate each.
2016-08-24 | E-GEOD-50430 | biostudies-arrayexpress
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Project description:To investigate the potential effect of grazing movement on miRNA circulation in cattle, here we profiled miRNA expression in centrifugally prepared exosomes from the plasma of both grazing and housed Japanese Shorthorn cattle. Microarray analysis of the c-miRNAs resulted in detection of a total of 231 bovine exosomal miRNAs in the plasma, with a constant expression level of let-7g across the duration and cattle groups. Expression of muscle-specific miRNAs such as miR-1, miR-133a, miR-206, miR-208a/b, and miR-499 were undetectable, suggesting the mildness of grazing movement as exercise. Changes in miRNA expression in plasma exosome of cattle was measured at during 0, 1, 2 and 4 months of grazing or housing. Plasma exosome samples prepared from three cattle for each treatment were collected and mixed within the treatment at each time for microarray analysis .
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