Identification and Differential Expression of MicroRNAs during Metamorphosis of the Japanese Flounder (Paralichthys olivaceus)
2011

Identifying MicroRNAs in Japanese Flounder Metamorphosis

Sample size: 9 publication 10 minutes Evidence: high

Author Information

Author(s): Fu Yuanshuai, Shi Zhiyi, Wu Minglin, Zhang Junling, Jia Liang, Chen Xiaowu

Primary Institution: Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Ministry of Education, Shanghai, People's Republic of China

Hypothesis

MicroRNAs play a key role in regulating gene expression during the metamorphosis of Japanese flounder.

Conclusion

The study identified a large number of miRNAs during flounder metamorphosis, some of which are differentially expressed at two different metamorphic stages.

Supporting Evidence

  • 140 conserved miRNAs and 57 miRNA: miRNA* pairs were identified.
  • 66 differentially expressed miRNAs were found at two metamorphic stages.
  • The study provides insights into the role of miRNAs in regulating gene expression during metamorphosis.

Takeaway

Scientists found many tiny molecules called miRNAs that help control how Japanese flounder change as they grow up. Some of these miRNAs work differently at different stages of their growth.

Methodology

High-throughput Solexa sequencing was used to analyze small RNA libraries from different metamorphic stages of Japanese flounder.

Limitations

The study is limited by the lack of complete genome sequence data for Japanese flounder.

Participant Demographics

Japanese flounder larvae at various metamorphic stages (13, 17, 19, 21, 23, 29, 31, 33, 36, and 42 days post hatching).

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0022957

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