Properties of bacterial endophytes and their proposed role in plant growth

Hardoim, Pablo R.; Overbeek, L.S. van; Elsas, Jan Dirk van

doi:10.1016/j.tim.2008.07.008

Cited by 1,458 publications

(954 citation statements)

References 71 publications

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“…Root endophytes can be recruited from common soil bacteria and survived in the interior of the root [48,49], which allow ARGs transferring from soil into plant. Microorganisms can also be colonized in leaf tissue as leaf endophytes [50]. Endophytes have been found to be closely related to human pathogens or opportunistic human pathoges [51], which could trigger potential threat to human health.…”

Section: Discussionmentioning

confidence: 99%

Antibiotic resistance genes in manure-amended soil and vegetables at harvest

Wang

Qiao

Chen

et al. 2015

Journal of Hazardous Materials

286

110

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Section: Discussionmentioning

confidence: 99%

Antibiotic resistance genes in manure-amended soil and vegetables at harvest

Wang

Qiao

Chen

et al. 2015

Journal of Hazardous Materials

286

110

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“…Plant roots have been considered as the settlement of soil endophytic microorganisms some of which enhance nutrients availability and plant growth, improve the plant ability to tolerate abiotic (drought, salinity, etc. ) and biotic stress (plant pathogens) nevertheless, most of the endophyte-plant relationships are not well understood (Hardoim, van Overbeek, & van Elsas, 2008;Porras-Alfaro et al, 2008;Reinhold-Hurek & Hurek, 2011;Bulgarelli, Schlaeppi, Spaepen, Ver Loren van Themaat, & Schulze-Lefert, 2013;Nair & Padmavathy, 2014;Tkacz & Poole, 2015). Direct isolation of DNA from various part of plant tissues is a preliminary step for studying many associating and symbiosis relationship especially which types are not culturable in experimental culture media (Stewart, 2012).…”

Section: Introductionmentioning

confidence: 99%

Efficient Strategies for Elimination of Phenolic Compounds During DNA Extraction from Roots of Pistacia vera L.

et al. 2017

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Optimization of DNA extraction protocols for plant tissues and including endophytic microorganisms is a critical step of advanced plant-microbe interaction in agricultural studies. Pistachio (Pistacia vera L.) root tissue contains high levels of polyphenols have been known as major extract contaminants and inhibitors of enzymatic activities during amplification. The present study aimed to develop reliable strategies to purify DNA from Pistachio root samples. Inhibiting substances were removed from DNA through a process including extraction with hot detergent contains SDS-Tris-EDTA, AlNH 4 (SO 4 ) 2 .12H 2 O as chemical coagulating factor and CTAB-NaCl. Following typically organic extraction/alcohol precipitation, denaturing agarose electrophoresis performed to purify probable remain contaminants. The purified DNA was enough free of polyphenols based upon loss of color and spectral quality (260/230>1.6) and efficiently amplified during polymerase chain reaction particularly in the present of GC-clamp primers. This method proved well with detection of Glomus sp. (arbuscular mycorrhiza fungi) associated with Pistacia vera L. using denaturing gradient gel electrophoresis (DGGE).

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“…Plants form and maintain numerous symbioses with a variety of microbes in natural communities (Dighton, White, & Oudemans, 2005; Franche, Lindström, & Elmerich, 2009; Hardoim, van Overbeek, & van Elsas, 2008). To date, approximately 270,000 plant species on earth are estimated to harbor approximately 13.6 million unique fungal species (Dreyfuss & Chapela, 1994).…”

Section: Introductionmentioning

confidence: 99%

Endophyte species influence the biomass production of the native grassAchnatherum sibiricum(L.) Keng under high nitrogen availability

Zhou

Mace

et al. 2016

Ecology and Evolution

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Research on the interaction of endophytes and native grasses normally takes infection status into account, but less often considers the species of endophyte involved in the interaction. Here, we examined the effect of endophyte infection, endophyte species, nitrogen availability, and plant maternal genotype on the performance of a wild grass, Achnatherum sibiricum. Six different Epichloë‐infected maternal lines of A. sibiricum were used in the study; three lines harbored Epichloë gansuensis (Eg), while three lines harbored Epichloë sibirica (Es). These endophytes are vertically transmitted, while Eg also occasionally produces stromata on host tillers. We experimentally removed the endophyte from some ramets of the six lines, with the infected (E+) and uninfected (E−) plants grown under varying levels of nitrogen availability. Eg hosts produced more aboveground biomass than Es hosts only under high nitrogen supply. Endophyte species did not show any influence on the maximum net photosynthetic rate (P max), photosynthetic nitrogen use efficiency, or total phenolics of A. sibiricum under all nitrogen conditions. However, the plant maternal genotype did influence the P max and shoot biomass of A. sibiricum. Our results show that endophyte species influenced the shoot biomass of A. sibiricum, and this effect was dependent on nitrogen supply. As with most coevolutionary interactions, A. sibiricum that harbored Eg and Es may show pronounced geographic variation in natural habitats with increased nitrogen deposition. In addition, stroma‐bearing endophyte (Eg) provides positive effects (e.g., higher biomass production) to A. sibiricum plants during the vegetative growth stage.

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Properties of bacterial endophytes and their proposed role in plant growth

Cited by 1,458 publications

References 71 publications

Antibiotic resistance genes in manure-amended soil and vegetables at harvest

Antibiotic resistance genes in manure-amended soil and vegetables at harvest

Efficient Strategies for Elimination of Phenolic Compounds During DNA Extraction from Roots of Pistacia vera L.

Endophyte species influence the biomass production of the native grassAchnatherum sibiricum(L.) Keng under high nitrogen availability

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