A single gene at the heart of pod shattering

Authors

  • Ali Aslam Faculty of Agriculture and Veterinary Sciences, Superior University, Lahore, Pakistan Author
  • Sher Muhammad Faculty of Agriculture and Veterinary Sciences, Superior University, Lahore, Pakistan Author
  • Adeel Ahmad Faculty of Agriculture and Veterinary Sciences, Superior University, Lahore, Pakistan Author

DOI:

https://doi.org/10.66835/psh.2026.e0003

Keywords:

Allele, Domestication, Shattering, Mutation, Pod

Abstract

Pod shattering is a defining trait of legume domestication, yet the genetic routes to indehiscent pods and their geographic context remain incompletely resolved. Celebioglu, et al. [1] identify repeated loss-of-function mutations in the R2R3-MYB transcription factor PvMYB26 as key determinants of reduced pod shattering in common bean (Phaseolus vulgaris), and use PvMYB26 haplotypes to pinpoint domestication centers in the Americas. Their work illustrates how a single regulatory node can couple pod wall anatomy, domestication syndromes, and agricultural origins, and raises broader questions about parallelism, constraint, and future breeding for harvest stability.

References

[1] B. Celebioglu, J. Roy, A. Farmer, S. English, X. Yu, X. Xu, P. E. McClean, P. Gepts, and T. A. Parker, Domestication-related changes at PvMYB26 reduce pod shattering in common bean and shed light on the origins of agriculture in the Americas, Molecular Plant, vol. 19, no. 2, pp. 313-327, 2026.

[2] T. A. Parker, S. Lo, and P. Gepts, Pod shattering in grain legumes: emerging genetic and environment-related patterns, The Plant Cell, vol. 33, no. 2, pp. 179-199, 2021.

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[6] T. A. Parker, J. A. Gallegos, J. Beaver, M. Brick, J. K. Brown, K. Cichy, D. G. Debouck, A. Delgado‐Salinas, S. Dohle, and E. Ernest, Genetic resources and breeding priorities in Phaseolus beans: Vulnerability, resilience, and future challenges, Plant Breeding Reviews, vol. 46, pp. 289-420, 2022.

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Published

2026-05-25

Data Availability Statement

The data supporting the findings of this study are not publicly available. All relevant information is included within the manuscript.

Issue

Vol. 1 No. 1 (2026)

Section

Spotlight

License

Copyright (c) 2026 Ali Aslam, Sher Muhammad, Adeel Ahmad (Author)

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

How to Cite

[1]
A. Aslam, S. Muhammad, and A. Ahmad, Trans., “A single gene at the heart of pod shattering”, Plant Sci. Horiz., vol. 1, no. 1, pp. 8–11, May 2026, doi: 10.66835/psh.2026.e0003.