Plant Beneficial Microbes and Their Application in Plant Biotechnology

Russo, A.; Carrozza, Gian Pietro; Vettori, L. Pecori; Felici, Cristiana; Cinelli, Fabrizio; Toffanin, Annita

doi:10.5772/31466

Cited by 21 publications

(16 citation statements)

References 69 publications

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“…The interaction between Paenibacillus P22 that is able to assimilate atmospheric nitrogen with poplar shoot explants resulted in essential changes in plant metabolism (Scherling et al 2009). These observations are often consistent with the results of experiments on the interaction of bacteria with plants grown in the in vivo conditions (Russo et al 2012).…”

Section: Discussionsupporting

confidence: 81%

The impact of three bacteria isolated from contaminated plant cultures on in vitro multiplication and rooting of microshoots of four ornamental plants

Zawadzka

Trzciński

Nowak

et al. 2013

Journal of Horticultural Research

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The strains of bacteria Paenibacillus glucanolyticus, Curtobacterium pusillum and Methylobacterium extorquens were isolated as non-deleterious contaminations from hosta or raspberry tissue cultures. Microshoots of chrysanthemum, gerbera, hosta and rose were inoculated with these bacteria and their influence on shoot multiplication and rooting was evaluated. None of the investigated bacteria caused symptoms of hypersensitivity or vitropathy on the shoot explants at rooting and shoots multiplication. C. pusillum stimulated axillary shoot formation in all studied plant genotypes. Length and number of rose roots and their length were higher but number of roots and their length in chrysanthemum were lower in inoculated than in controls. The number and the length of shoots and roots in gerbera and hosta and the number of shoots in chrysanthemum inoculated with M. extorquens were higher but shoot length of chrysanthemum and rose, and root length of rose were lower as compared with controls. P. glucanolyticus influenced higher number and length of chrysanthemum shoots and root length of chrysanthemum and gerbera than noninoculated control but the number of gerbera and hosta roots was lower and root length of rose was as low as 0.2 cm. All assessed bacteria were able to assimilate atmospheric nitrogen and M. extorquens and P. glucanolyticus were able to produce IAA.

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Section: Discussionsupporting

confidence: 81%

The impact of three bacteria isolated from contaminated plant cultures on in vitro multiplication and rooting of microshoots of four ornamental plants

Zawadzka

Trzciński

Nowak

et al. 2013

Journal of Horticultural Research

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“…from irrigated area; and on induction of drought stress, these inoculated plants also exhibited IAA along with ABA higher than those of the plants inoculated with isolates from irrigated area. Russo et al (2010) reported that ABA is involved in the regulation of stress signaling during plant growth; therefore, its biosynthesis can be affected by the presence of rhizobacteria in abiotic stress. These results are also conferred by Russo et al (2010) who found that Arabidopsis plants inoculated with A. brasilense Sp245 showed more ABA content than uninoculated plants under drought stress condition.…”

Section: Discussionmentioning

confidence: 99%

“…Russo et al (2010) reported that ABA is involved in the regulation of stress signaling during plant growth; therefore, its biosynthesis can be affected by the presence of rhizobacteria in abiotic stress. These results are also conferred by Russo et al (2010) who found that Arabidopsis plants inoculated with A. brasilense Sp245 showed more ABA content than uninoculated plants under drought stress condition. Sharp et al (2002) demonstrated that ABA contents in plants were increased under water stress and declined as the plants experienced lesser stress.…”

Section: Discussionmentioning

confidence: 99%

l-tryptophan-assisted PGPR-mediated induction of drought tolerance in maize (Zea maysL.)

Yasmin

Nosheen

Naz

et al. 2017

Journal of Plant Interactions

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Drought is an important abiotic stress that limits the plant growth and productivity. Present investigation was aimed that plant growth-promoting rhizobacteria (PGPR) isolated from moisturestressed area impart drought tolerance in plants and tryptophan may improve their efficiency. Pseudomonas sp. (1), Bacillus cereus and Bacillus pumilus (B. pumilus) were isolated from maize rhizosphere grown in irrigated fields, semi-arid region and arid region, respectively. Proteus sp. and Pseudomonas sp. (2) were isolated from rice rhizosphere grown in irrigated fields and raised bed. B. pumilus produced 5× more abscisic acid (ABA) in culture media than Pseudomonas sp. (1) by the addition of L-tryptophan. These inoculants also modulated the phytohormone content of maize leaves in a pot experiment. Higher ABA was produced by the application of B. pumilus and Pseudomonas sp. (2), while indole 3-acetic acid and gibberellic acid were found higher in Pseudomonas sp. (1) and Proteus sp. treated plants. Addition of L-tryptophan increased the concentration of all phytohormones in soil and leaves of maize. Maximum increase in relative water content, osmotic potential, protein content and photosynthetic pigments was recorded in B. pumilus treated maize plants. Under irrigated condition, response of Pseudomonas sp. coinoculated with B. pumilus from arid field superseded while under drought stress the effect of later predominated. Bacillus pumilus can be used in the formulation of biofertilizer to alleviate drought stress in arid and semi-arid regions. ARTICLE HISTORY

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“…Moreover, the better survival ability of treated vines is an interesting finding which will warrant further study in other wood species, including fruit and ornamental trees and species for bioengineering works [31], also verifying the influence of A. brasilense Sp245 on stress tolerance to biotic and abiotic factors.…”

Section: Discussionmentioning

confidence: 99%

Effectiveness of Azospirillum brasilense Sp245 on young plants of Vitis vinifera L.

et al. 2017

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Information about the influence of the plant growth promoting rhizobacteria Azospirillum brasilense Sp245 on the development of grapevine plants could be promoted to enhance sustainable agricultural practices for globally important fruit crops such as grapes. Thus, this study was initiated to evaluate the potential influence of A. brasilense Sp245 on two separate experimental trials, A) potted young grape plants: cv. 'Colorino' grafted onto two rootstocks 420A and 157/11 which received a fixed volume of inoculum at different times of vegetative cycle; B) hardwood cuttings from rootstock mother-plants of 420A and 775P inoculated during the phase of hydration, before bench-grafting in a specialized nursery. Overall, our results revealed that A. brasilense Sp245 has considerable potential to enhance the root apparatus and vegetative development in grapevines. Potted plants inoculated with A. brasilense Sp245 showed an improved development. Repeated supply was revealed to be more effective, inducing a greater accumulation of dry mass. Interesting findings were obtained in nursery experiments resulting from a considerable enhancement of the final quality of roots. The stimulating effect of A. brasilense Sp245 on vegetative development of rootstocks and vines may indeed improve sustainability in viticulture, through the promotion of healthy growth and a reduced dependence on fertilizers and other chemicals

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Plant Beneficial Microbes and Their Application in Plant Biotechnology

Cited by 21 publications

References 69 publications

The impact of three bacteria isolated from contaminated plant cultures on in vitro multiplication and rooting of microshoots of four ornamental plants

The impact of three bacteria isolated from contaminated plant cultures on in vitro multiplication and rooting of microshoots of four ornamental plants

l-tryptophan-assisted PGPR-mediated induction of drought tolerance in maize (Zea maysL.)

Effectiveness of Azospirillum brasilense Sp245 on young plants of Vitis vinifera L.

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