Cultivable and metagenomic approach to study the combined impact of nanogypsum and Pseudomonas taiwanensis on maize plant health and its rhizospheric microbiome

Chaudhary, Parul; Khati, Priyanka; Chaudhary, Anuj; Maithani, Damini; Kumar, Govind; Sharma, Anita

doi:10.1371/journal.pone.0250574

Cited by 61 publications

(28 citation statements)

References 54 publications

(52 reference statements)

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“…Nano-gypsum supports the bacterial population and has positive effects on soil structure; it can be used as an alternative to agrochemicals. The collaborative action of Pseudomonas taiwanensis and nano-gypsum increases germination, root length, shoot length, and chlorophyll content in Z. mays [ 147 ]. Researchers of India have also shown that the use of nano-chitosan enhanced the colony number of PGPR.…”

Section: Current Scenario Of Nanobiofertilizer Research and Applicationsmentioning

confidence: 99%

Improvement of Plant Responses by Nanobiofertilizer: A Step towards Sustainable Agriculture

et al. 2022

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Drastic changes in the climate and ecosystem due to natural or anthropogenic activities have severely affected crop production globally. This concern has raised the need to develop environmentally friendly and cost-effective strategies, particularly for keeping pace with the demands of the growing population. The use of nanobiofertilizers in agriculture opens a new chapter in the sustainable production of crops. The application of nanoparticles improves the growth and stress tolerance in plants. Inoculation of biofertilizers is another strategy explored in agriculture. The combination of nanoparticles and biofertilizers produces nanobiofertilizers, which are cost-effective and more potent and eco-friendly than nanoparticles or biofertilizers alone. Nanobiofertilizers consist of biofertilizers encapsulated in nanoparticles. Biofertilizers are the preparations of plant-based carriers having beneficial microbial cells, while nanoparticles are microscopic (1–100 nm) particles that possess numerous advantages. Silicon, zinc, copper, iron, and silver are the commonly used nanoparticles for the formulation of nanobiofertilizer. The green synthesis of these nanoparticles enhances their performance and characteristics. The use of nanobiofertilizers is more effective than other traditional strategies. They also perform their role better than the common salts previously used in agriculture to enhance the production of crops. Nanobiofertilizer gives better and more long-lasting results as compared to traditional chemical fertilizers. It improves the structure and function of soil and the morphological, physiological, biochemical, and yield attributes of plants. The formation and application of nanobiofertilizer is a practical step toward smart fertilizer that enhances growth and augments the yield of crops. The literature on the formulation and application of nanobiofertilizer at the field level is scarce. This product requires attention, as it can reduce the use of chemical fertilizer and make the soil and crops healthy. This review highlights the formulation and application of nanobiofertilizer on various plant species and explains how nanobiofertilizer improves the growth and development of plants. It covers the role and status of nanobiofertilizer in agriculture. The limitations of and future strategies for formulating effective nanobiofertilizer are mentioned.

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Section: Current Scenario Of Nanobiofertilizer Research and Applicationsmentioning

confidence: 99%

Improvement of Plant Responses by Nanobiofertilizer: A Step towards Sustainable Agriculture

et al. 2022

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“…isolated from textile effluent (Maulin P Shah et al 2013). Recent findings by (Chaudhary et al 2021) indicated the beneficial effect of the organism Pseudomonas taiwanensis as PGPR. In her studies the combined application of nanogypsum and Pseudomonas taiwanensis augmented the growth of maize by improving the structure and function of soil without causing any toxic effect.…”

Section: Discussionmentioning

confidence: 99%

Screening and Identification of Azo Dye Decolourizers from Mangrove Rhizospheric soil

Modi

Singh

Patki

et al. 2022

Preprint

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Removal of synthetic textile dye poses a challenge to the textile industry and a threat to environment flora and fauna. These dyes are marginally degradable and recalcitrant, hence alternatives to physical and chemical techniques like various bioremediation studies involving plants, plant roots, single or consortium of microbes have been used as environment friendly methods for the removal of textile dye. In the present study potent bacteria for dye decolourization were isolated from rhizospheric soil collected from Kamothe, Navi Mumbai, India. Of the 20 isolates obtained after enrichment, seven isolates were used for further screening of efficient decolourization ability in MBM media containing 10% glucose, 2.5 % trace metal solution and 0.1% of MO dye concentration. Physiological parameters to optimize the decolourization of dye at optimum pH, temperature and incubation time was studied for all the seven isolates. UV-vis and Fourier Transform Infrared spectroscopy were used to investigate dye decolorization. The seven isolates were characterized morphologically, biochemically, and molecular identification of these strains were performed by 16S rRNA sequence analysis. The isolates were identified as Bacillus paramycoides, Pseudomonas taiwanensis, Citrobacter murliniae, Acinetobacter pitti, Exiguobacterium acetylicum, Psychrobacter celer, and Aeromonas taiwanensis. Out of these Aeromonas taiwanensis has shown exceptional capacity by 100% decolorization of azo dye in minimum time.

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“…Bacillus sp. and Pseudomonas taiwanensis having the PGPR activities enhanced soil dehydrogenase, FDA, alkaline phosphatase activity, NPK solubilising population in soil and yield of maize plant under field condition [ 53 , 54 ].…”

Section: Discussionmentioning

confidence: 99%

Impact of nanophos in agriculture to improve functional bacterial community and crop productivity

Chaudhary

Parveen

et al. 2021

BMC Plant Biol

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Background Since the World’s population is increasing, it’s critical to boost agricultural productivity to meet the rising demand for food and reduce poverty. Fertilizers are widely used in traditional agricultural methods to improve crop yield, but they have a number of negative environmental consequences such as nutrient losses, decrease fertility and polluted water and air. Researchers have been focusing on alternative crop fertilizers mechanisms to address these issues in recent years and nanobiofertilizers have frequently been suggested. “Nanophos” is a biofertilizer and contains phosphate-solubilising bacteria that solubilises insoluble phosphate and makes it available to the plants for improved growth and productivity as well as maintain soil health. This study evaluated the impact of nanophos on the growth and development of maize plants and its rhizospheric microbial community such as NPK solubilising microbes, soil enzyme activities and soil protein under field condition after 20, 40 and 60 days in randomized block design. Results Maize seeds treated with nanophos showed improvement in germination of seeds, plant height, number of leaves, photosynthetic pigments, total sugar and protein level over control. A higher activity of phenol, flavonoid, antioxidant activities and yield were noticed in nanophos treated plants over control. Positive shift in total bacterial count, nitrogen fixing bacteria, phosphate and potassium solubilizers were observed in the presence of nanophos as compared to control. Soil enzyme activities were significantly (P < 0.05) improved in treated soil and showed moderately correlation between treatments estimated using Spearman rank correlation test. Real time PCR and total soil protein content analysis showed enhanced microbial population in nanophos treated soil. Obtained results showed that nanophos improved the soil microbial population and thus improved the plant growth and productivity. Conclusion The study concluded a stimulating effect of nanophos on Zea mays health and productivity and indicates good response towards total bacterial, NPK solubilising bacteria, soil enzymes, soil protein which equally showed positive response towards soil nutrient status. It can be a potential way to boost soil nutrient use efficiency and can be a better alternative to fertilizers used in the agriculture.

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Cultivable and metagenomic approach to study the combined impact of nanogypsum and Pseudomonas taiwanensis on maize plant health and its rhizospheric microbiome

Cited by 61 publications

References 54 publications

Improvement of Plant Responses by Nanobiofertilizer: A Step towards Sustainable Agriculture

Improvement of Plant Responses by Nanobiofertilizer: A Step towards Sustainable Agriculture

Screening and Identification of Azo Dye Decolourizers from Mangrove Rhizospheric soil

Impact of nanophos in agriculture to improve functional bacterial community and crop productivity

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