Proteomics

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Integrative Comparative Proteomics Identifies Core Differentially Expressed Proteins and Pathways for Drought Tolerance by Exploiting Contrasting Rice Varieties

ABSTRACT: More tightly coordinated response was revealed at the protein level in the tolerant varieties by proteomic analysis. Carbohydrate metabolism, redox homeostasis and protein transport were found activated in the tolerant varieties in functional enrichment analysis; while photosynthesis was suppressed. However, the networks of protein-protein interaction between more drought tolerant lines were richer and well connected. In the interaction networks of proteins, these two drought tolerant lines had key hub proteins which play pivotal roles in effective signal transduction. The results systematically presented the complex regulatory network basis of drought resistance in rice, and offered novel molecular targets for screening drought tolerance in rice.

ORGANISM(S): Oryza Sativa

SUBMITTER: Liping Gan  

PROVIDER: PXD072923 | iProX | Sun Jan 11 00:00:00 GMT 2026

REPOSITORIES: iProX

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Integrative comparative proteomics identifies core differentially expressed proteins and pathways for drought tolerance by exploiting contrasting rice varieties.

Kuang Qiong Q   Huang Shiyan S   Bian Shiquan S   Jiang Jinggui J   Chen Mingyuan M   Liu Junhua J   Lei Shufan S   Lv Zhiwen Z   Gan Liping L   Huang Chengzhi C  

Frontiers in plant science 20260306

Drought stress has been a severe challenge to world rice production. To elucidate the underlying mechanisms for rice drought adaptation, physiological characteristics, transcript expression patterns of related genes, and protein profiles from rice leaves were established for four rice cultivars with drastically different degrees of drought tolerance, and under drought stress, tolerant cultivars presented significantly reduced damage in growth and biomass retention. The loss in their main physiol  ...[more]

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