Bacterial Endophytes: Potential Role in Developing Sustainable Systems of Crop Production

Sturz, A. V.; Christie, B. R.; Nowak, Jerzy

doi:10.1080/07352680091139169

Cited by 470 publications

(286 citation statements)

References 192 publications

(255 reference statements)

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“…This finding supports the contention that some of the streptomycetes, at least, may represent biocontrol agents involved in the protection of a given plant against the attack of pathogens. This model has often been postulated to occur in crop plants (Hallmann et al 1997;Shoda 2000;Sturz et al 2000) but our results suggest that it may also apply to plants other than those that are cultivated. …”

Section: Discussionmentioning

confidence: 49%

“…A bacterium is considered an endophyte if it can be isolated from surface-disinfected plant tissue or extracted from inside the plant, and if it does not visibly harm the plant (Hallmann et al 1997;Shoda 2000;Sturz et al 2000). This definition applies to the Streptomyces strains isolated from plants of the genera Maytenus and Putterlickia as described in the present paper.…”

Section: Discussionmentioning

confidence: 97%

“…Former studies of the biology of endophytes focused mainly on crop plants (Mundt and Hinkle 1976;Hallmann et al 1997;Shoda 2000;Sturz et al 2000). However, our special aims concerned the microbial colonization of the Celastraceae (Pullen 2000) and here we report on bacteria that are associated with plants of the genera Maytenus and Putterlickia.…”

Section: Introductionmentioning

confidence: 98%

“…They exert their plant-protecting activities by producing siderophores, antibiotics and/or hydrolytic enzymes (Hallmann et al 1997;Shoda 2000;Sturz et al 2000). Hence, endophytes have been suggested as a promising source of biologically active natural products (Tan and Zou 2001).…”

Section: Introductionmentioning

confidence: 99%

“…Any bacterium is considered an endophyte if it can be isolated from surface-disinfected plant tissue or from inside the plant, and if it does not harm the plant visibly. Endophytic bacteria enter the plants by different mechanisms and are subject to movement within plants (Hallmann et al 1997;Sturz et al 2000).…”

Section: Introductionmentioning

confidence: 99%

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New and bioactive compounds from Streptomyces strains residing in the wood of Celastraceae

Pullen

Schmitz

Meurer

et al. 2002

Planta

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Wood from three different plants of the Celastraceae growing in their natural habitats in Brazil (Maytenus aquifolia Mart.) and South Africa [Putterlickia retrospinosa van Wyk and Mostert, P. verrucosa (E. Meyer ex Sonder) Szyszyl.] was established as a source of endophytic bacteria using a medium selective for actinomycetes. Two isolates were identified as Streptomyces setonii and S. sampsonii whereas two others were not assignable to any of the known Streptomyces species. They were preliminarily named Streptomyces Q21 and Streptomyces MaB-QuH-8. The latter strain produces a new chloropyrrol and chlorinated anthracyclinone. The chloropyrrol showed high activity against a series of multiresistent bacteria and mycobacteria.

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Section: Discussionmentioning

confidence: 49%

Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

New and bioactive compounds from Streptomyces strains residing in the wood of Celastraceae

Pullen

Schmitz

Meurer

et al. 2002

Planta

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Microbiology of Fresh and Processed Vegetables

Smolinski

Ryser

2018

Handbook of Vegetables and Vegetable Processing

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16S rRNA gene‐based identification and plant growth‐promoting potential of cultivable endophytic bacteria

Raimi

Adeleke

2023

Agronomy Journal

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Endophytic bacteria play essential roles in plant growth and fitness through nitrogen fixation, nutrient solubilization, and phytohormone production. However, the plant growth-promoting (PGP) potential of endophytic microorganisms inhabiting vegetables is underexplored. Thus, this study investigated the endophytic bacteria of vegetable crops for their PGP properties using the culture-dependent technique. Recovered isolates were identified by sequencing the partial 16S rRNA gene using Sanger sequencing. The isolated endophytic bacteria belonged to 15 genera and 39 different species. Bacillus, Enterobacter, Pantoea, and Pseudomonas were the predominant genera and had high phosphate solubilization and siderophore production potential. The isolates differentially produced indole-3-acetic acid and ammonium in the range 0.14-44.48 μg mL -1 and 0.77-93.24 mg L -1 , respectively. Pseudomonas azotoformans, Stenotrophomonas maltophilia, and Serratia liquefaciens showed a high level of siderophore production, which was not significantly (p > 0.05) different across the plant and organ types. More than 21% of endophytes could produce gelatinase, protease, amylase, and cellulase, contributing to their diverse ecosystem functions. Bacterial density and species composition varied across the vegetable species, organs, and farm locations but were higher in the stems compared with other organs. However, the vegetable organ had no significant (p > 0.05) influence on the bacterial population density, except for the interaction of plant species and organs.Overall, this study provides basic knowledge about the cultivable endophytic bacterial community of vegetables and reveals diverse endophytic bacteria useful in bioinoculant formulations for improving crop productivity.

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Bacterial Endophytes: Potential Role in Developing Sustainable Systems of Crop Production

Cited by 470 publications

References 192 publications

New and bioactive compounds from Streptomyces strains residing in the wood of Celastraceae

New and bioactive compounds from Streptomyces strains residing in the wood of Celastraceae

Microbiology of Fresh and Processed Vegetables

16S rRNA gene‐based identification and plant growth‐promoting potential of cultivable endophytic bacteria

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