Bioprospecting beneficial endophytic bacterial communities associated with Rosmarinus officinalis for sustaining plant health and productivity

Sharma, Minakshi; Sood, Gaurav; Chauhan, Anjali

doi:10.1007/s11274-021-03101-7

Cited by 13 publications

(14 citation statements)

References 48 publications

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“…Additionally, the physiological features such as total chlorophyll, phenol and carotenoids of R. officinalis were augmented up to 31, 25 and 40% by bacterial inoculation relative to control. Besides this, a considerable improvement in plant nutrients (NPK) was also recorded [217]. The application of PGPR also significantly increased the essential oils of rosemary plants even while growing in salinized conditions [218].…”

Section: Rosemarymentioning

confidence: 99%

Bioprospecting Plant Growth Promoting Rhizobacteria for Enhancing the Biological Properties and Phytochemical Composition of Medicinally Important Crops

et al. 2022

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Traditionally, medicinal plants have long been used as a natural therapy. Plant-derived extracts or phytochemicals have been exploited as food additives and for curing many health-related ailments. The secondary metabolites produced by many plants have become an integral part of human health and have strengthened the value of plant extracts as herbal medicines. To fulfil the demand of health care systems, food and pharmaceutical industries, interest in the cultivation of precious medicinal plants to harvest bio-active compounds has increased considerably worldwide. To achieve maximum biomass and yield, growers generally apply chemical fertilizers which have detrimental impacts on the growth, development and phytoconstituents of such therapeutically important plants. Application of beneficial rhizosphere microbiota is an alternative strategy to enhance the production of valuable medicinal plants under both conventional and stressed conditions due to its low cost, environmentally friendly behaviour and non-destructive impact on fertility of soil, plants and human health. The microbiological approach improves plant growth by various direct and indirect mechanisms involving the abatement of various abiotic stresses. Given the negative impacts of fertilizers and multiple benefits of microbiological resources, the role of plant growth promoting rhizobacteria (PGPR) in the production of biomass and their impact on the quality of bio-active compounds (phytochemicals) and mitigation of abiotic stress to herbal plants have been described in this review. The PGPR based enhancement in the herbal products has potential for use as a low cost phytomedicine which can be used to improve health care systems.

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Section: Rosemarymentioning

confidence: 99%

Bioprospecting Plant Growth Promoting Rhizobacteria for Enhancing the Biological Properties and Phytochemical Composition of Medicinally Important Crops

et al. 2022

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“…In India, rosemary has been planted extensively in cooler areas, one of which being Himachal Pradesh, where it is grown in Kangra, Kullu, and Mandi districts. Owing to its biological activities it is widely used by tribal communities of the state, thereby leading to its increased demand and production in the recent years (Sharma et al 2021).…”

Section: Introductionmentioning

confidence: 99%

“…Pseudomonas and Bacillus are the prominent genera in endophyte community of medicinal plants (Sharma et al 2021). Several studies have also registered their yield enhancement and growth promoting potential of host plants under different agro-climatic conditions (Bacillus and Brevibacillus;ALKahtani et al 2020, B. subtilis;Jabborova et al 2021, B. subtilis;Sharma et al 2021, P. aeruginoa;Chandra et al 2020, P. segetis;Rodriguez et al 2020).…”

Section: Introductionmentioning

confidence: 99%

“…Another interesting genus that has been reported as PGP endophyte is Cedecea, of family Enterobacteriaceae. The in vitro traits of plant growth promotion are well documented for Cedecea (Benaissa et al 2019;Sharma et al 2021).…”

Section: Introductionmentioning

confidence: 99%

“…They also aid in degradation of pollutants, solubilization of minerals (phosphate and zinc), or assimilation of nitrogen, as well as the release of phytohormones (auxin or cytokinin) and vitamins (Silva et al 2019). Therefore, PGP bacterial endophytes are of particular interest to rosemary cultivation in a sustainable manner, as they stand out amongst the most acceptable and eco-friendly approaches to be applied as biofertilizers or as biopesticides (Sharma et al 2021;Sadegh Kasmaei et al 2019).…”

Section: Introductionmentioning

confidence: 99%

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Novel synergism of Cedecea lapagei KU14 and Bacillus subtilis KU21for sustainable productivity of Rosmarinus officinalis in Northwest Himalayas

Sharma

Sood

Dutt

et al. 2022

Preprint

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AimsRosmarinus officinalis (rosemary) is most extensively used culinary herbs rich in antioxidants and several other secondary metabolites. Soil quality affects the biosynthesis of secondary metabolites thereby reducing their quality. An approach to improve soil quality and boosting plant productivity in a sustainable manner is the use of plant growth promoting (PGP) endophytic bacteria. Previously three endophytic bacteria associated with roots of R. officinalis were characterized for in vitro PGP traits. The purpose of this study was to assess (1) the compatibility of isolated potential indigenous endophytic bacteria for PGP traits to develop potential consortium biofertilizer, and (ii) how the coordinated interaction among these strains mediates the response for productivity and nutrient acquisition of R. officinalis.MethodsIn vitro synergistic interactions among isolated strains (Bacillus subtilis KU21, Pseudomonas aeruginosa SI12 and Cedecea lapagei KU14) were examined for multiple PGP traits. In vivo studies were carried out to assess synergistic effects of theses strains on productivity and soil quality of R. officinalis. ResultsThe consortia of strains exhibited higher production of IAA, siderophore and phosphorus solubilization. Further, assessment of consortia of these strains significantly improved rosemary growth parameters, nutrient acquisition and soil quality over single inoculation and uninoculated control. Conclusions This is the first field report that describes the efficacy of novel endophytic strains i.e., B. subtilis KU21+ C. lapagei KU14 for improving rosemary production and soil health simultaneously, may be recommended for sustainable production of R. officinalis in Northwest Himalayan region.

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Regulation of PGPR-Related Genes in Medicinal Plants in Adverse Conditions

Kiran,

Sharma

2023

Stress-Responsive Factors and Molecular Farming in Medicinal Plants

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Bioprospecting beneficial endophytic bacterial communities associated with Rosmarinus officinalis for sustaining plant health and productivity

Cited by 13 publications

References 48 publications

Bioprospecting Plant Growth Promoting Rhizobacteria for Enhancing the Biological Properties and Phytochemical Composition of Medicinally Important Crops

Bioprospecting Plant Growth Promoting Rhizobacteria for Enhancing the Biological Properties and Phytochemical Composition of Medicinally Important Crops

Novel synergism of Cedecea lapagei KU14 and Bacillus subtilis KU21for sustainable productivity of Rosmarinus officinalis in Northwest Himalayas

Regulation of PGPR-Related Genes in Medicinal Plants in Adverse Conditions

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