ArticleProbiotics and antimicrobial proteins2023
Phenazine 1-carboxylic acid Producing Seed Harbored Endophytic Bacteria from Cultivated Rice Variety of Kerala and Its Broad Range Antagonism to Diverse Plant Pathogens.
Article in Probiotics and antimicrobial proteins, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Deciphering the Role of Reshaped Fungal Microbiome in Cadmium Accumulation in Rice Grains.Journal of fungi (Basel, Switzerland) · 2025Article
- Synergistic Effects ofMicroorganisms · 2025Article
- Bioactive Metabolites of Serratia sp. NhPB1 Isolated from Pitcher of Nepenthes and its Application to Control Pythium aphanidermatum.Probiotics and antimicrobial proteins · 2025Article
- In Vitro Anti-Glioblastoma Activity ofLife (Basel, Switzerland) · 2025Article
- Recent Advances in Phenazine Natural Products: Chemical Structures and Biological Activities.Molecules (Basel, Switzerland) · 2024Review
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6 authors.
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Abstract
Endophytic microorganisms residing within the diverse parts of plants play a significant role in the plant growth and defense response. In the case of the vertically transmitted seed-borne endophytes, they form the promising initiator of the juvenile plant microbiome by supporting the growth and establishment of the seedlings. Hence, the current study emphasizes the isolation and screening of plant beneficial traits of seed endophytes from the cultivated rice variety Jyothi of Kerala, India. Among the 14 bacterial endophytes obtained in the study, the isolate S3 was found to have promising activity against the phytopathogens such as Fusarium oxysporum, Pythium aphanidermatum, Pythium myriotylum, Phytophthora infestans, Rhizoctonia solani, Colletotrichum acutatum, and Sclerotium rolfsii. The isolate S3 was further identified as Paenibacillus polymyxa by the 16S rRNA-based sequence analysis. Furthermore, the isolate was confirmed for its capability for hydrogen cyanide (HCN) production, 1-aminocyclopropane-1-carboxylate (ACC) deaminase activity, biofilm formation, and nitrogen fixation. The P. polymyxa S3 was also found to have the potential to provide post-harvest protection to the rice kernels from Sclerotium rolfsii. By the LC-MS/MS analysis, the organism was confirmed for the production of phenazine 1-carboxylic acid which could be the prime chemical basis of its antifungal activity. The in vivo plant growth evaluation has also demonstrated the root length enhancement effect of P. polymyxa S3 in Vigna unguiculata. Here, the root length of P. polymyxa S3-treated plant was enhanced to 12.44 ± 0.58223 cm when compared with distilled water control (10.261 ± 0.38151 cm) and the observed change was statistically significant as per the analysis of variance at P value less than 0.05. Based on all these properties, the isolated P. polymyxa S3 could be considered as a promising agent to be used for the development of competent plant probiotic formulations.
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