4.7 Review

Mechanisms Underlying Soybean Response to Phosphorus Deficiency through Integration of Omics Analysis

Journal

Publisher

MDPI
DOI: 10.3390/ijms23094592

Keywords

soybean; phosphorus; omics; molecular mechanism

Funding

  1. National Key Research and Development Program of China [2021YFF1000500]
  2. Major Program of Guangdong Basic and Applied Research [2019B030302006]
  3. National Natural Science Foundation of China [32172658, 32172659, 31872164]
  4. Natural Science Foundation of Guangdong Province of China [2021A1515010826, 2020A1515110261]

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This review summarizes the mechanisms of soybean response to phosphorus deficiency and discusses the prospects of cultivating soybean cultivars with high phosphorus efficiency.
Low phosphorus (P) availability limits soybean growth and yield. A set of potential strategies for plant responses to P deficiency have been elucidated in the past decades, especially in model plants such as Arabidopsis thaliana and rice (Oryza sativa). Recently, substantial efforts focus on the mechanisms underlying P deficiency improvement in legume crops, especially in soybeans (Glycine max). This review summarizes recent advances in the morphological, metabolic, and molecular responses of soybean to phosphate (Pi) starvation through the combined analysis of transcriptomics, proteomics, and metabolomics. Furthermore, we highlight the functions of the key factors controlling root growth and P homeostasis, base on which, a P signaling network in soybean was subsequently presumed. This review also discusses current barriers and depicts perspectives in engineering soybean cultivars with high P efficiency.

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