Biosorption of Cr(III) and Pb(II) by endophytic Agrobacterium tumefaciens 12b3: equilibrium and kinetic studies

Gillani, Razia Alam; Shenaz, Nargis; Matloob, Sidra; Haq, Fazal; Saime, Wan Ngah Wan; Nasim, Wajid; Farooq, Hina; Rehmand, Abdul; Chaudhary, Hassan Javed

doi:10.5004/dwt.2017.1153

Cited by 16 publications

(2 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It is important to note that Lelliottia amnigena has also been isolated from other plants, such as the phanerogam Euphorbia prostrata [27] and the roots of Zea mays [28]. Other genera and species identified in this work, such as Agrobacterium tumefaciens, have been previously published as endophytic bacteria isolated from the root parts and stems of leguminous plants, such as Onobrychis viciaefolia [29], and in the herbaceous plant Oxalis corniculata [30]. Another important group of isolated bacteria comprises strains from the Actinobacteria phylum, including Arthrobacter, Kocuria, and Agrococcus, which are wellknown endophytic bacteria in numerous plants [31,32].…”

Section: Discussionmentioning

confidence: 72%

In Vitro Studies of Endophytic Bacteria Isolated from Ginger (Zingiber officinale) as Potential Plant-Growth-Promoting and Biocontrol Agents against Botrytis cinerea and Colletotrichum acutatum

Bódalo,

Borrego,

Garrido

et al. 2023

Plants

View full text Add to dashboard Cite

Agriculture currently confronts a multitude of challenges arising from the excessive utilization of chemical pesticides and the proliferation of phytopathogenic fungi strains that exhibit resistance to commonly employed active compounds in the field. Botrytis cinerea and Colletotrichum acutatum are phytopathogenic fungi that inflict substantial economic losses within agriculture and food due to their high impacts on crops both pre- and post-harvest. Furthermore, the emergence of fungal strains that are resistant to commercial fungicides has exacerbated this problem. To explore more environmentally sustainable alternatives for the control of these pathogens, an investigation into the endophytic bacteria associated with ginger (Zingiber officinale Rosc.) was conducted. The primary focus of this study involved evaluating their inhibitory efficacy against the fungi and assessing their potential for promoting plant growth. The endophytic bacteria genera Lelliottia, Lysinibacillus, Kocuria, Agrococcus, Acinetobacter, Agrobacterium, Zymobacter, and Mycolicibacterium were identified. All isolates showed remarkable in vitro antagonistic ability against B. cinerea (>94%) and C. acutatum (>74%). Notably, the Lelliottia amnigena J29 strain exhibited a notable proficiency in producing extracellular enzymes and indole compounds (IAA), solubilizing phosphate and potassium, and forming biofilm. Furthermore, the Lysinibacillus capsici J26, Agrococcus citreus J28, and Mycolicibacterium sp. J5 strains displayed the capacity for atmospheric nitrogen fixation and siderophore production. These findings underscore the agricultural and biotechnological potential of endophytic bacteria derived from ginger plants and suggest the feasibility of developing alternative approaches to manage these two phytopathogenic fungi.

show abstract

Section: Discussionmentioning

confidence: 72%

In Vitro Studies of Endophytic Bacteria Isolated from Ginger (Zingiber officinale) as Potential Plant-Growth-Promoting and Biocontrol Agents against Botrytis cinerea and Colletotrichum acutatum

Bódalo,

Borrego,

Garrido

et al. 2023

Plants

View full text Add to dashboard Cite

show abstract

“…Also, when the concentration of heavy metals is low, these techniques are mostly ineffective and expensive [ 16 ]. Therefore, in this context, using eco-friendly approaches like plant growth-promoting rhizobacteria (PGPR)-assisted phytoremediation could be one of the best-suited choices to improve crop productivity and to alleviate heavy metals problems [ 17 – 21 ]. Metal hyperaccumulating plants have garnered considerable attention nowadays.…”

Section: Introductionmentioning

confidence: 99%

Improved chromium tolerance of Medicago sativa by plant growth-promoting rhizobacteria (PGPR)

Tirry

Kouchou

Omari

et al. 2021

Journal of Genetic Engineering and Biotechnology

View full text Add to dashboard Cite

Background Soil pollution by heavy metals increases the bioavailability of metals like hexavalent chromium (Cr (VI)), subsequently limiting plant growth and reducing the efficiency of phytoremediation. Plant growth-promoting rhizobacteria (PGPR) have substantial potential to enhance plant growth as well as plant tolerance to metal stress. The aim of this research was to investigate Cr (VI) phytoremediation enhancement by PGPR. Results The results showed that the 27 rhizobacterial isolates studied were confirmed as Cr (VI)-resistant PGPR, by using classical biochemical tests (phosphate solubilization, nitrogen fixation, indole acetic acid, exopolysaccharides, hydrogen cyanide, siderophores, ammonia, cellulase, pectinase, and chitinase production) and showed variable levels of Cr (VI) resistance (300–600 mg/L). The best four selected Cr (VI)-resistant PGPR (NT15, NT19, NT20, and NT27) retained most of the PGP traits in the presence of 100–200 mg/L concentrations of Cr (VI). The inoculation of Medicago sativa with any of these four isolates improved the shoot and root dry weight. The NT27 isolate identified using 16S rDNA gene sequence analyses as a strain of Pseudomonas sp. was most effective in terms of plant growth promotion and stress level decrease. It increased shoot and root dry weights of M. sativa by 97.6 and 95.4%, respectively, in the presence of Cr (VI) when compared to non-inoculated control plants. It also greatly increased chlorophyll content and decreased the levels of stress markers, malondialdehyde, hydrogen peroxide, and proline. The results of the effect of Pseudomonas sp. on Cr content and bioaccumulation factor (BAF) of the shoots and roots of M. sativa plants showed the increase of plant biomass concomitantly with the increase of Cr root concentration in inoculated plants. This would lead to a higher potential of Cr (VI) phytostabilization. Conclusions This study demonstrates that the association M. sativa-Pseudomonas sp. may be an efficient biological system for the bioremediation of Cr (VI)-contaminated soils.

show abstract

Water Management in Era of Climate Change

Nawaz

Hussain

Shahid

et al. 2021

Building Climate Resilience in Agriculture

View full text Add to dashboard Cite

Biosorption of Cr(III) and Pb(II) by endophytic Agrobacterium tumefaciens 12b3: equilibrium and kinetic studies

Cited by 16 publications

References 47 publications

In Vitro Studies of Endophytic Bacteria Isolated from Ginger (Zingiber officinale) as Potential Plant-Growth-Promoting and Biocontrol Agents against Botrytis cinerea and Colletotrichum acutatum

In Vitro Studies of Endophytic Bacteria Isolated from Ginger (Zingiber officinale) as Potential Plant-Growth-Promoting and Biocontrol Agents against Botrytis cinerea and Colletotrichum acutatum

Improved chromium tolerance of Medicago sativa by plant growth-promoting rhizobacteria (PGPR)

Water Management in Era of Climate Change

Contact Info

Product

Resources

About