Endophytes and their role in phytoremediation

Li, Haiyan; Wei, Du; Shen, Mi; Zhou, Zuo-Ping

doi:10.1007/s13225-012-0165-x

Cited by 227 publications

(96 citation statements)

References 77 publications

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“…Biodegradation and/or bioremediation consists of removing pollutants and wastes from the environment by the use of biochemical processes in microorganisms. Endophytes have become a potential resource to help cope with these problems since they possess many systems that can break down complex compounds, degrade chemical pollutants, and effect biosorption of heavy metals (Xiao et al 2010;Russell et al 2011;Li et al 2012c). A non pathogenic F. oxysporum, isolated from the Zn/ Cd co-hyperaccumulator Sedum alfredii grown in a Pb/ Zn mined area, was able to increase S. alfredii root systems and function, metal availability and accumulation, and plant biomass, and thus phytoextraction efficiency .…”

Section: Bioremediation/biodegradationmentioning

confidence: 99%

Diversity, distribution and biotechnological potential of endophytic fungi

et al. 2015

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Endophytic fungi, living in the inner tissues of living plants, have attracted increasing attention among ecologists, taxonomists, chemists and agronomists. They are ubiquitously associated with almost all plants studied to date. Numerous studies have indicated that these fungi have an impressive array of biotechnological potential, such as enzyme production, biocontrol agents, plantgrowth promoting agents, bioremediation, biodegradation, biotransformation, biosynthesis and nutrient cycling. These fungi may represent an underexplored reservoir of novel biological resources for exploitation in the pharmaceutical, industry and agriculture. This review focuses on new findings in isolation methods, biodiversity, ecological distribution and biotechnological potential.

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Section: Bioremediation/biodegradationmentioning

confidence: 99%

Diversity, distribution and biotechnological potential of endophytic fungi

et al. 2015

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“…Plant growth promoting endophytes have been reported often enough for their enhancement of water and nutrient absorption, for growth and development adjustment, for e n v i r o n m e n t s t r e s s r e s i s t a n c e , a n d e v e n f o r phytoremediation of host plant (Khan and Doty 2011;Li et al 2012;Rajkumar et al 2012). Most of the promotion effects happened between endophytes and their host plants.…”

Section: The Effects Of Sasm3 On Plant Growth and Cadmium Absorptionmentioning

confidence: 99%

An endophytic bacterium Acinetobacter calcoaceticus Sasm3-enhanced phytoremediation of nitrate–cadmium compound polluted soil by intercropping Sedum alfredii with oilseed rape

Bao

GuiQing

et al. 2015

Environ Sci Pollut Res

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Intensive agricultural system with high input of fertilizer results in high agricultural output. However, excessive fertilization in intensive agricultural system has great potential to cause nitrate and heavy metal accumulation in soil, which is adverse to human health. The main objective of the present study was to observe the effects of intercropping and inoculation of endophytic bacterium Acinetobacter calcoaceticus Sasm3 on phytoremediation of combined contaminated soil in oilseed rape (Brassica napus L.). The results showed that with Sasm3 inoculation, the biomass of rape was increased by 10-20% for shoot, 64% for root, and 23-29% for seeds while the nitrate accumulation in rape was decreased by 14% in root and by 12% in shoot. The cadmium concentration in rape increased significantly with mono-inoculating treatment, whereas it decreased significantly after intercropping treatment. By denaturing gradient gel electrophoresis (DGGE) and real-time quantitative PCR analysis, the diversity of bacterial community and the number of nirS and nirK gene copies increased significantly with inoculation or/and intercropping treatment. In conclusion, the endophytic bacterium Sasm3-inoculated intercropping system not only improved the efficiency of clearing cadmium from soil without obstructing crop production, but also improved the quality of crop.

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“…Tremendous diversity of bacteria and fungi that associated with plants does not affect its host in deleterious manner rather stimulate growth and induce disease resistance together with tolerance against adverse effect of environment. Interaction between plant and endophytes results in the promotion of plant health and reflects a significant application in low-input sustainable agriculture with high productivity (Mapelli et al 2013;Aroca et al 2013;Veneklaas et al 2012;Li et al 2012).…”

Section: Introductionmentioning

confidence: 99%

An ecological role of fungal endophytes to ameliorate plants under biotic stress

et al. 2015

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It is our consensus that plants survive and flourish in stressed ecosystems because of endosymbiotic organisms that have co-evolved and were essential for their adaptation to changing environments. Some of these microbial components are noncultivable and vertically transmitted from generation to generation. They represent a vast reservoir of heritable DNA that can enhance plant performance in changing environments and add genetic flexibility to adaptation of long-lived plants. If such endophytes can be identified that not only persist in progeny of novel hosts, but can confer benefits in mechanized, agricultural systems, they would be increasingly important in agricultural production and lead to a rapid and economical method of providing novel germplasms of native and crop plants. In the present review, authors advocate the deployment of fungal diversity and its role to overcome the biotic stress in plants. Endophytic fungal association with plants helps it to protect from various pathogen and pests and adapt to survive in harsh biotic and abiotic stress condition.

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Endophytes and their role in phytoremediation

Cited by 227 publications

References 77 publications

Diversity, distribution and biotechnological potential of endophytic fungi

Diversity, distribution and biotechnological potential of endophytic fungi

An endophytic bacterium Acinetobacter calcoaceticus Sasm3-enhanced phytoremediation of nitrate–cadmium compound polluted soil by intercropping Sedum alfredii with oilseed rape

An ecological role of fungal endophytes to ameliorate plants under biotic stress

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