Tolerance of arsenate-induced stress in Aspergillus niger, a possible candidate for bioremediation

Mukherjee, Asok K.; Das, Durba; Mondal, Sushil Kumar; Biswas, Ratna; Das, Tapan Kumar; Boujedaini, Naoual; Khuda‐Bukhsh, Anisur Rahman

doi:10.1016/j.ecoenv.2009.09.015

Cited by 75 publications

(31 citation statements)

References 81 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The results indicated that NaCl preincuation protected S. cerevisiae against cadmium stress by promoting the removal of thiol-cadmium compounds outside the cell. Similar results were reported that Aspergillus niger could mobilize thiols to trap arsenic and remove it outside the cell to get rid of excess arsenic toxicity [33]. The decrease of thiol leakage in P. kudriavzevii was observed with the increase of NaCl concentrations (Fig.…”

Section: Discussionsupporting

confidence: 85%

Modulation of cadmium bioaccumulation and enhancing cadmium tolerance in Pichia kudriavzevii by sodium chloride preincubation

Zhang

et al. 2016

J. Basic Microbiol.

View full text Add to dashboard Cite

Application of growing microorganisms for cadmium removal is limited by the sensitivity of living cells to cadmium. The effects of sodium chloride (NaCl) preincubation on the cadmium bioaccumulation and tolerance of Pichia kudriavzevii and Saccharomyces cerevisiae were investigated in this study. NaCl preincubation significantly reduced the intracellular and cell-surface cadmium bioaccumulation of P. kudriavzevii at both 6 and 20 mg L(-1) cadmium, while no obvious effect was observed in S. cerevisiae except that the intracellular cadmium bioaccumulation at 20 mg L(-1) cadmium was reduced obviously by 20-60 g L(-1) NaCl. For both yeasts, the improved contents of protein and proline after NaCl preincubation contributed to the cadmium tolerance. The thiol contents in P. kudriavzevii under cadmium stress were alleviated by NaCl preincubation, which might be due to the decrease of intracellular cadmium bioaccumulation. NaCl preincubation enhanced the contents of glycerol and trehalose in P. kudriavzevii under cadmium stress, while no acceleration was observed in S. cerevisiae. The results suggested that NaCl preincubation could be applied in cadmium removal by growing P. kudriavzevii to increase the cadmium tolerance of the yeast.

show abstract

Section: Discussionsupporting

confidence: 85%

Modulation of cadmium bioaccumulation and enhancing cadmium tolerance in Pichia kudriavzevii by sodium chloride preincubation

Zhang

et al. 2016

J. Basic Microbiol.

View full text Add to dashboard Cite

show abstract

“…These results are comparable with results in this study because accumulation of arsenic was varied according to initial arsenic concentration. Also, Mukherjee et al (2010) confirmed that A. niger had high arsenate uptake potential and results showed that arsenic content in fungal biomass increased with increase in initial arsenate concentration. Maximum content of arsenic was determined at 75 mg l À1 as initial arsenic concentration and it was appreciably decreased at initial concentration of 100 mg l À1 As.…”

Section: Resultssupporting

confidence: 58%

Bioaccumulation and biovolatilization of various elements using filamentous fungus Scopulariopsis brevicaulis

Boriová

Čerňanský

Matúš

et al. 2014

Lett Appl Microbiol

View full text Add to dashboard Cite

Significance and Impact of the Study: Microbial accumulation and volatilization are natural processes involved in biogeochemical cycles of elements. Despite their impact on mobility, bioavailability and toxicity of various metal(loid)s, only few papers deal with these processes under aerobic conditions with microscopic fungi. Thus, the proving of ability of microscopic fungus Scopulariopsis brevicaulis to accumulate and transform metals and metalloids by methylation or alkylation and quantification of these processes were demonstrated. The results can provide basic information on natural elements cycling and background for more specific studies focusing, for example, on application of these processes in mitigation of metal(loid) contamination. Abstract Biovolatilization and bioaccumulation capabilities of different elements by microscopic filamentous fungus Scopulariopsis brevicaulis were observed. Accumulation of As(III), As

show abstract

“…Both increase in CS activity and reduction in IDH activity supports the accumulation of citrate as found earlier in the arsenate treated Thus, the persistant decline in succinate dehydrogenase activity in the present study along with increase of arsenate dose is consistent with this hypothesis. [43] found similar decrease in SDH activity in Aspergillus niger under As toxicity.…”

Section: Effect On the Activities Of Krebs Cycle Enzymessupporting

confidence: 64%

Influence of Arsenate and Phosphate on the Regulation of Growth and TCA Cycle in the Rice (<i>Oryza sativa</i> L.) Cultivars IR64 and Nayanmani

Saha¹,

Dutta²,

Biswas³

2017

AJPS

View full text Add to dashboard Cite

The influence of arsenate and phosphate on the growth and respiration of 21 days old seedlings in two cultivars of rice, viz., IR64 and Nayanmani was studied. As arsenate and phosphate are similar in their chemical configuration and the latter is preferentially taken up by the phosphate transporters, it results in a competitive inhibition of arsenate uptake in presence of phosphate. Increasing concentrations of sodium arsenate (25 µM, 50 µM and 100 µM) hindered the growth in both the cultivars, with cv. IR64 being more severely affected than cv. Nayanmani. There was an elevation in the levels of organic acids measured in both the cultivars, accompanied by a reduction in the activities of the dehydrogenases of the TCA cycle, viz., pyruvate dehydrogenase, isocitrate dehydrogenase, succinate dehydrogenase and malate dedrogenase under arsenic treatment alone. Also, an elevation in the activities of citrate synthase and fumarase enzymes was noticed in both test seedlings with increasing concentrations of arsenic. These alterations were more prominent in cv. IR64 than in cv. Nayanmani. On joint application of phosphate along with arsenate, amelioration of the toxic effects of arsenate was observed to some extent, resulting in an overall revival of respiration leading to improved growth and metabolism.

show abstract

Tolerance of arsenate-induced stress in Aspergillus niger, a possible candidate for bioremediation

Cited by 75 publications

References 81 publications

Modulation of cadmium bioaccumulation and enhancing cadmium tolerance in Pichia kudriavzevii by sodium chloride preincubation

Modulation of cadmium bioaccumulation and enhancing cadmium tolerance in Pichia kudriavzevii by sodium chloride preincubation

Bioaccumulation and biovolatilization of various elements using filamentous fungus Scopulariopsis brevicaulis

Influence of Arsenate and Phosphate on the Regulation of Growth and TCA Cycle in the Rice (<i>Oryza sativa</i> L.) Cultivars IR64 and Nayanmani

Contact Info

Product

Resources

About

Tolerance of arsenate-induced stress in Aspergillus niger, a possible candidate for bioremediation

Cited by 75 publications

References 81 publications

Modulation of cadmium bioaccumulation and enhancing cadmium tolerance in Pichia kudriavzevii by sodium chloride preincubation

Modulation of cadmium bioaccumulation and enhancing cadmium tolerance in Pichia kudriavzevii by sodium chloride preincubation

Bioaccumulation and biovolatilization of various elements using filamentous fungus Scopulariopsis brevicaulis

Influence of Arsenate and Phosphate on the Regulation of Growth and TCA Cycle in the Rice (&lt;i&gt;Oryza sativa&lt;/i&gt; L.) Cultivars IR64 and Nayanmani

Contact Info

Product

Resources

About

Influence of Arsenate and Phosphate on the Regulation of Growth and TCA Cycle in the Rice (<i>Oryza sativa</i> L.) Cultivars IR64 and Nayanmani