Evidence map›Paper›PMID 42350940›Full record

ArticleBMC plant biology2026

Harnessing plant growth-promoting microorganisms to improve drought resilience in common bean (Phaseolus vulgaris L.).

Heba I Mohamed, Abd-Alrahman Walid Eid, Kerolos Emad Khalaf, Kirollos Kamal Joseph, Mahmoud Abdulaziz Mohamed, Mahmoud Maged Mohamed, Amira Mohamed Ghanaim

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Article in BMC plant biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

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No citing paper in PubMed yet.

4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Heba I MohamedBiological and Geological Sciences Department, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt. hebaibrahim79@gmail.com.
Abd-Alrahman Walid EidBiological and Geological Sciences Department, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt.
Kerolos Emad KhalafBiological and Geological Sciences Department, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt.
Kirollos Kamal JosephBiological and Geological Sciences Department, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt.
Mahmoud Abdulaziz MohamedBiological and Geological Sciences Department, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt.
Mahmoud Maged MohamedBiological and Geological Sciences Department, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt.
Amira Mohamed GhanaimBiological and Geological Sciences Department, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundDrought stress is one of the principal abiotic stresses that constrain crops yield across the globe. The current research examines the involvement of PGPM, namely Bacillus subtilis (1211 EMCCN) and Aspergillus niger (ATCC 102), in improving drought tolerance of Phaseolus vulgaris cultivated in soil water contents of 100%, 60%, and 40% field capacity.

resultsB. subtilis showed a higher production of indole-3-acetic acid, cytokinin, and ACC deaminase, indicating its strong role in promoting plant growth and mitigating stress. In contrast, A. niger produced more gibberellic acid and enhanced phosphate solubilization. Drought stress significantly reduces plant growth, biomass, chlorophyll content, and relative water content, while increasing electrolyte leakage and oxidative stress markers. Inoculating plants with plant growth-promoting microorganisms (PGPM) alleviated these negative effects, improving growth performance, photosynthetic pigment content, and water status compared to uninoculated plants. The microbial treatments reduced oxidative damage and enhanced antioxidant defense systems, including both enzymatic and non-enzymatic antioxidants. PGPM inoculation also promoted the accumulation of osmolytes and secondary metabolites, aiding osmotic adjustment and redox balance. Multivariate analysis confirmed the positive effects of microbial inoculation in mitigating drought stress.

conclusionAmong the tested microorganisms, B. subtilis showed greater effectiveness than A. niger in most of the physiological and biochemical traits measured. Overall, the findings suggest that PGPMs are a promising and sustainable strategy for enhancing drought tolerance and improving the productivity of common beans in water-limited conditions.

Indexed as

Aspergillus nigerBacillus subtilisPhaseolusAntioxidantsDrought ResistanceDroughtsPhotosynthesisStress, PhysiologicalAntioxidantsDrought stressEnzymatic antioxidantsNon-enzymatic antioxidantsOsmolytesPhaseolus vulgarisPhotosynthetic pigmentsSecondary metabolites

Identifiers

PMID42350940
PMCPMC13295929

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