Bacillus pumilus enhances tolerance in rice (Oryza sativa L.) to combined stresses of NaCl and high boron due to limited uptake of Na+

Khan, Alamgir; Sirajuddin, Sirajuddin; Zhao, Xue Qiang; Javed, Muhammad Tariq; Khan, Khalid Saifullah; Bano, Asghari; Shen, Ren Fang; Masood, Samina

doi:10.1016/j.envexpbot.2015.12.011

Cited by 100 publications

(54 citation statements)

References 69 publications

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“…Anith et al (2015) also reported that inoculation with B. pumilus improved the plant growth compared to the uninoculated control (Anith et al 2015). Inoculation of rice seedlings with B. pumilus increased the leaf K + , Ca 2+ and Mg 2+ concentrations, while decreasing the Na + uptake as compared to the uninoculated control (Khan et al 2016).…”

Section: Discussionmentioning

confidence: 86%

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Co‐inoculation ofBacillussp. andPseudomonas putidaat different development stages acts as a biostimulant to promote growth, yield and nutrient uptake of tomato

Pantigoso

et al. 2019

J Appl Microbiol

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Aims This study builds upon the premise that roots culture distinct bacteria at specific stages of plant growth to benefit of specific microbial services needed at that particular growth stage. Accordingly, we hypothesized that the co‐inoculation of beneficial microbes with distinct properties at specific stages of plant development would enhance plant performance. Methods and Results The chosen microbes were Bacillus pumilus, Bacillus amyloliquefaciens, Bacillus mojavensis and Pseudomonas putida. These microbes were selected based on their specific services ranging from nutrient solubilization, root growth promotion and disease resistance, and were applied to the roots of tomato plants at specific time points when those services were needed the most by the plant. Laboratory and greenhouse studies were conducted to evaluate the effects of co‐inoculation at specific stages of development compared to single microbial applications. Conclusion In general, the combination of three microbes gave the highest biomass and yield without the presence of disease. Applications of three microbes showed the highest root/shoot ratio, and applications of four microbes the lowest ratio. Pseudomonas putida significantly increased fruit macronutrient and micronutrient contents. Significance and Impact of the Study Our studies suggest that co‐inoculation of three or four microbes is a good strategy for healthy crop production.

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Section: Discussionmentioning

confidence: 86%

“…Inoculation of rice seedlings with B. pumilus increased the leaf K + , Ca 2+ and Mg 2+ concentrations, while decreasing the Na + uptake as compared to the uninoculated control (Khan et al . ).…”

Section: Discussionmentioning

confidence: 97%

Co‐inoculation ofBacillussp. andPseudomonas putidaat different development stages acts as a biostimulant to promote growth, yield and nutrient uptake of tomato

Pantigoso

et al. 2019

J Appl Microbiol

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“…CP‐13rif inoculation may be due to activation of enzymatic pathways for chlorophyll biosynthesis, decrease in ROS production or balanced nutrient availability including Mg (Khan et al . ).…”

Section: Discussionmentioning

confidence: 97%

“…A major physiological change in plants, interacting with PGPB under stress conditions, is a decrease in ethylene level due to the activity of 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase (Akram et al 2016;Mahmood et al 2017). Moreover, a cellular decrease in the levels of reactive oxygen species (ROS) and increase in the levels of antioxidants were observed after PGPB inoculation (Akram et al 2016;Israr et al 2016;Khan et al 2016).…”

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confidence: 99%

Serratiasp.CP‐13 augments the growth of cadmium (Cd)‐stressedLinum usitatissimumL. by limited Cd uptake, enhanced nutrient acquisition and antioxidative potential

et al. 2019

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Aims The current study was aimed to evaluate the beneficial effects and bioremediation potential of a Cd‐tolerant bacterial strain, Serratia sp. CP‐13, on the physiological and biochemical functions of Linum usitatissimum L., under Cd stress. Methods and Results The bacterial strain was isolated from the wastewater collection point of Chakera, Faisalabad, Pakistan, as this place contains industrial wastewater of the Faisalabad region. The Serratia sp. CP‐13, identified through 16S rRNA gene sequence analysis, exhibited a significant phyto‐beneficial potential in terms of in vitro inorganic phosphate solubilization, indole‐3‐acetic acid production and 1‐aminocyclopropane‐1‐carboxylic acid deaminase activity. Effects of Serratia sp. CP‐13 inoculation on L. usitatissimum were evaluated by growing the plants in CdCl2 (0, 5 or 10 mg kg−1 dry soil)‐spiked soil. Without inoculation of Serratia sp. CP‐13, Cd stress significantly reduced the plant biomass as well as the quantity of proteins and photosynthetic pigments due to enhanced H2O2, malondialdehyde (MDA) contents and impaired nutrient homeostasis. Subsequently, Serratia sp. CP‐13 increased the plant fresh and dry biomass, plant antioxidation capacity, whereas it decreased the lipid peroxidation under Cd stress. In parallel, Serratia sp. inoculation assisted the Cd‐stressed plants to maintain an optimum level of nutrients (K, Ca, P, Mg, Fe and Mn). Conclusions The isolated bacterial strain (Serratia sp. CP‐13) when applied to Cd‐stressed L. usitatissimum inhibited the Cd uptake, reduced Cd‐induced lipid peroxidation, maintained the optimum level of nutrients and thereby, enhanced L. usitatissimum growth. The analysis of bio‐concentration and translocation factor revealed that L. usitatissimum with Serratia sp. CP‐13 inoculation sequestered Cd in plant rhizospheric zone. Significance and Impact of the Study Serratia sp. CP‐13 inoculation is a potential candidate for the development of low Cd‐accumulating linseed and could be used for phytostabilization of Cd‐contaminated rhizosphere/soil colloids.

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“…In this study, Bacillus pumilus, an important PGB, was isolated from G. uralensis. Khan et al (2016) found that B. pumilus inoculation can enhance the combined stresses of NaCl and high boron tolerance in rice (Oryza sativa, L.). However, the effects of inoculating endophytic bacteria on the alleviation of drought stress on G. uralensis plants have been rarely investigated.…”

Section: Introductionmentioning

confidence: 99%

Growth-promoting bacteria alleviates drought stress of G. uralensis through improving photosynthesis characteristics and water status

Zhang

Xie

Zhang

et al. 2019

Journal of Plant Interactions

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Bacillus pumilus enhances tolerance in rice (Oryza sativa L.) to combined stresses of NaCl and high boron due to limited uptake of Na+

Cited by 100 publications

References 69 publications

Co‐inoculation ofBacillussp. andPseudomonas putidaat different development stages acts as a biostimulant to promote growth, yield and nutrient uptake of tomato

Co‐inoculation ofBacillussp. andPseudomonas putidaat different development stages acts as a biostimulant to promote growth, yield and nutrient uptake of tomato

Serratiasp.CP‐13 augments the growth of cadmium (Cd)‐stressedLinum usitatissimumL. by limited Cd uptake, enhanced nutrient acquisition and antioxidative potential

Growth-promoting bacteria alleviates drought stress of G. uralensis through improving photosynthesis characteristics and water status

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