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Peer-reviewedCC BY-NC-NDBMC plant biology

BcPHT1;9 mediates phosphate uptake and modulates root architecture in flowering Chinese cabbage.

  • Wenjie Yang1
  • Yanxu Xue1
  • Ali Anwar1
  • Caizhu Hu1
  • Mengge Zhang1
  • Chunfeng Chen1
  • Jinmiao Wang1
  • Shiwei Song2
  1. 1College of Horticulture, South China Agricultural University, Guangzhou, 510642, China.
  2. 2College of Horticulture, South China Agricultural University, Guangzhou, 510642, China. [email protected].
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Abstract

Background

Phosphorus (P) is an essential macronutrient for plant growth and development. The absorption and transport of phosphate in plants rely on phosphate transporter-encoded proteins, named PHT1 transporters. Flowering Chinese cabbage is an important vegetable crop, while the molecular mechanisms underlying PHT1-mediated phosphate adaptation to low-phosphate stress remain poorly understood in this species.Results

In this study, we identified 13 PHT1 transporter proteins in flowering Chinese cabbage, BcPHT1;9 was predominantly expressed in the roots and localized to the plasma membrane. Overexpression of BcPHT1;9 significantly increased total root length, surface area, and phosphorus content under low-phosphate stress, whereas silencing suppressed these traits. BcPHT1;9 thus coordinately regulates Pi uptake, phosphate homeostasis, and root architectural adaptation to sustain balanced phosphorus nutrition under phosphate-deficient conditions.Conclusion

BcPHT1;9 positively enhances low-Pi tolerance by coordinating phosphate uptake and root architecture in flowering Chinese cabbage.

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Cite

BibTeXRIS
BibTeX
@article{yang2026bcpht19,
  title = {{BcPHT1;9 mediates phosphate uptake and modulates root architecture in flowering Chinese cabbage.}},
  author = {Wenjie Yang and Yanxu Xue and Ali Anwar and Caizhu Hu and Mengge Zhang and Chunfeng Chen and Jinmiao Wang and Shiwei Song},
  journal = {BMC plant biology},
  year = {2026},
  month = aug,
  doi = {10.1186/s12870-026-09655-8},
  url = {https://europepmc.org/article/MED/42968024},
  note = {CC BY-NC-ND},
}
RIS
TY  - JOUR
TI  - BcPHT1;9 mediates phosphate uptake and modulates root architecture in flowering Chinese cabbage.
AU  - Wenjie Yang
AU  - Yanxu Xue
AU  - Ali Anwar
AU  - Caizhu Hu
AU  - Mengge Zhang
AU  - Chunfeng Chen
AU  - Jinmiao Wang
AU  - Shiwei Song
PY  - 2026
DA  - 2026/08/05
JO  - BMC plant biology
DO  - 10.1186/s12870-026-09655-8
UR  - https://europepmc.org/article/MED/42968024
AB  - Background  Phosphorus (P) is an essential macronutrient for plant growth and development. The absorption and transport of phosphate in plants rely on phosphate transporter-encoded proteins, named PHT1 transporters. Flowering Chinese cabbage is an important vegetable crop, while the molecular mechanisms underlying PHT1-mediated phosphate adaptation to low-phosphate stress remain poorly understood in this species.Results  In this study, we identified 13 PHT1 transporter proteins in flowering Chinese cabbage, BcPHT1;9 was predominantly expressed in the roots and localized to the plasma membrane. Overexpression of BcPHT1;9 significantly increased total root length, surface area, and phosphorus content under low-phosphate stress, whereas silencing suppressed these traits. BcPHT1;9 thus coordinately regulates Pi uptake, phosphate homeostasis, and root architectural adaptation to sustain balanced phosphorus nutrition under phosphate-deficient conditions.Conclusion  BcPHT1;9 positively enhances low-Pi tolerance by coordinating phosphate uptake and root architecture in flowering Chinese cabbage.
SN  - 1471-2229
ER  -