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September 17, 2025Open Access

Positional identification of a candidate gene for MALE STERILITY 2 (MS2) by linkage mapping and transcriptomic data in Cryptomeria japonica D. Don

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Authors

SUSaneyoshi UenoYHYoichi HasegawaTUTokuko Ujino‐Ihara

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Overview

Linkage mapping localized the male sterility gene in Japanese cedar, suggesting effective breeding strategies.

Key Points

  • The candidate gene SUGI_0493010 is linked to male sterility in Japanese cedar and affects pollen production.
  • High-resolution linkage mapping identified the MS2 locus on linkage group 5, covering an 8.64 Mb region.
  • Functional annotation revealed a mutation in SUGI_0493010 that disrupts enzymatic activity necessary for pollen development.
  • Combining genetic mapping with transcriptomic data enhances understanding of male sterility mechanisms in conifers.

Cite This Study

Ueno et al. (2025) studied this question.

synapsesocial.com/papers/68d4604731b076d99fa5f6c1https://doi.org/10.1101/2025.09.11.674818
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