Microarray-based gene expression profiles in multiple tissues of the domesticated silkworm, Bombyx mori
2007

Gene Expression in Silkworm Tissues

Sample size: 1000 publication 10 minutes Evidence: high

Author Information

Author(s): Xia Qingyou, Cheng Daojun, Duan Jun, Wang Genhong, Cheng Tingcai, Zha Xingfu, Liu Chun, Zhao Ping, Dai Fangyin, Zhang Ze, He Ningjia, Zhang Liang, Xiang Zhonghuai

Primary Institution: The Key Sericultural Laboratory of Agricultural Ministry; the Key Laboratory for Sericultural Sciences and Genomics of the Ministry of Education, College of Biotechnology, Southwest University, Beibei, Chongqing, China

Hypothesis

How does gene expression vary across different tissues in the silkworm?

Conclusion

The study provides a comprehensive resource for annotating the silkworm genome by identifying tissue-prevalent and tissue-specific genes.

Supporting Evidence

  • The study identified 10,393 active transcripts across multiple silkworm tissues.
  • 1,642 genes were found to be tissue-specific based on expression levels.
  • The microarray data validated known tissue-specific gene expressions.

Takeaway

Scientists looked at how genes work in different parts of silkworms to understand them better. They found many important genes that help silkworms grow and make silk.

Methodology

The study used a genome-wide oligonucleotide microarray to analyze gene expression in multiple silkworm tissues.

Limitations

The study primarily focuses on day 3 of the fifth instar, which may not represent gene expression at other developmental stages.

Participant Demographics

Silkworms of the Dazao strain, with samples pooled from 100 individuals per tissue.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1186/gb-2007-8-8-r162

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