Chapter title |
Gene Expression Profiling in Fish Toxicology: A Review
|
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Chapter number | 10 |
Book title |
Reviews of Environmental Contamination and Toxicology Volume 241
|
Published in |
Reviews of Environmental Contamination and Toxicology, July 2016
|
DOI | 10.1007/398_2016_10 |
Pubmed ID | |
Book ISBNs |
978-3-31-946944-7, 978-3-31-946945-4
|
Authors |
Kumar, Girish, Denslow, Nancy D, Girish Kumar, Nancy D. Denslow |
Abstract |
In this review, we present an overview of transcriptomic responses to chemical exposures in a variety of fish species. We have discussed the use of several molecular approaches such as northern blotting, differential display reverse transcription-polymerase chain reaction (DDRT-PCR), suppression subtractive hybridization (SSH), real time quantitative PCR (RT-qPCR), microarrays, and next-generation sequencing (NGS) for measuring gene expression. These techniques have been mainly used to measure the toxic effects of single compounds or simple mixtures in laboratory conditions. In addition, only few studies have been conducted to examine the biological significance of differentially expressed gene sets following chemical exposure. Therefore, future studies should focus more under field conditions using a multidisciplinary approach (genomics, proteomics and metabolomics) to understand the synergetic effects of multiple environmental stressors and to determine the functional significance of differentially expressed genes. Nevertheless, recent developments in NGS technologies and decreasing costs of sequencing holds the promise to uncover the complexity of anthropogenic impacts and biological effects in wild fish populations. |
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