The Class III Peroxidase gene TaPRX-2A controls grain number per spike in common wheat (Triticum aestivum L.)
Dongtian Zang, Wenjia You, Yangyang Wu, Pengyue Wang, Zhiyu Wang, Qingyun Yang, Shatong Chi, Peisen Su · 2025
Read The Class III Peroxidase gene TaPRX-2A controls grain number per spike in common wheat (Triticum aestivum L.) by Dongtian Zang, Wenjia You, Yangyang Wu, Pengyue Wang, Zhiyu Wang, Qingyun Yang, Shatong Chi, Peisen Su (2025) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11839669.txt.
Description
Dongtian Zang and co-authors identify a wheat gene that controls how many grains grow on each spike. Their study appeared in 2024, though the catalog lists 2025. The gene belongs to the peroxidase family, enzymes better known for stress defense. The team cloned the gene and made wheat lines that switch it on strongly. Those lines grew fewer grains per spike and shorter spikes than normal plants.
Gene activity scans showed wide shifts in plant pathways. Sugar and starch building, wood-like lignin, flavonoids, and hormone signals all changed. A web of regulator genes seems to carry the effect. The authors say the gene's grip on grain number offers a new lever for wheat breeding, where each extra grain per spike raises yield across whole fields.
Catalog record
| CREATOR | Dongtian Zang, Wenjia You, Yangyang Wu, Pengyue Wang, Zhiyu Wang, Qingyun Yang, Shatong Chi, Peisen Su |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 30 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |