Structure, expression differentiation and evolution of duplicated fiber developmental genes in Gossypium barbadense and G. hirsutum
2011

Study of Fiber Development Genes in Cotton

Sample size: 138 publication Evidence: moderate

Author Information

Author(s): Zhu Huayu, Han Xiaoyong, Lv Junhong, Zhao Liang, Xu Xiaoyang, Zhang Tianzhen, Guo Wangzhen

Primary Institution: National Key Laboratory of Crop Genetics & Germplasm Enhancement, Cotton Research Institute, Nanjing Agricultural University, Nanjing, China

Hypothesis

The study aims to understand the genetic basis of fiber development and the evolution of fiber quality differences between Gossypium hirsutum and G. barbadense.

Conclusion

Selective breeding for certain desirable fiber qualities has played an important role in the divergence of G. hirsutum and G. barbadense.

Supporting Evidence

  • 70.59% of the genes studied showed conserved structure across species.
  • 22 duplicate genes were located in regions with detected fiber quality QTLs.
  • Expression profiles indicated that the A-subgenome plays a critical role in fiber quality divergence.

Takeaway

This study looks at how two types of cotton plants grow their fibers differently and how they have changed over time.

Methodology

The study involved cloning and sequencing 17 fiber development-related genes from two cotton species and analyzing their expression patterns.

Participant Demographics

The study involved two cultivated tetraploid cotton species, Gossypium hirsutum and G. barbadense.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2229-11-40

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication