Absorption of aflatoxin by lettuce seedlings grown in soil adulterated with aflatoxin B1

Mertz, Dan; Thomas, Edward; Lee, Daniel; Zubér, M. S.

doi:10.1021/jf00108a017

Cited by 20 publications

(21 citation statements)

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“…There are several reports showing the uptake of mycotoxins by various plants and their transport to aerial parts (Mertz et al, 1980(Mertz et al, , 1981Rao et al, 1982;Mantle, 2000;Zitomer et al, 2010;Hariprasad et al, 2013). Similarly, here we checked whether AFB 1 can be absorbed by roots of groundnut plants through several in vitro studies.…”

Section: Discussionmentioning

confidence: 90%

“…This confirms the uptake and translocation of this toxin by groundnut seedlings. Translocation of aflatoxin to shoot was earlier studied, where they reported that maize and lettuce seedlings were found to uptake AFB l from water or soil and transferred to upper portions of the plant after a growth period of 7-12 d respectively (Mertz et al, 1980(Mertz et al, , 1981.…”

Section: Discussionmentioning

confidence: 99%

“…Uptake of aflatoxin by maize (Mertz et al, 1980(Mertz et al, , 1981, citrinin, patulin and terreic acid by rice seedlings (Rao et al, 1982), ochratoxin A by coffee plants (Mantle, 2000), and fumonisin by wheat plants (Zitomer et al, 2010) were the major studies where mycotoxin uptake was successfully proved. Moreover, earlier work conducted in our laboratory revealed the aflatoxins uptake ability of green leafy vegetables (Hariprasad et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant

2015

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Section: Discussionmentioning

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Transport via xylem and accumulation of aflatoxin in seeds of groundnut plant

2015

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“…Aflatoxin has previously been shown to affect many aspects of the soil mlcroblal population (Angle and Wagner, 1981;Aral et al, 1967). Adverse effects on Downloaded by [McGill University Library] (Mertz et al, 1981;Misra and Tripathi, 1980;Young et al, 1978). Alfatoxin leaching through the soil profile and into the groundwater is also another potential concern.…”

Section: Recent Reports Have Indicated That Infection Bymentioning

confidence: 99%

Aflatoxin decomposition in various soils

Angle

1986

J. of Env. Sc. & Hlth., Part B

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The persistence of aflatoxin in the soil environment could potentially result in a number of adverse environmental consequences. To determine the persistence of aflatoxin in soil, 14C-labeled aflatoxin B1, was added to silt loam, sandy loam, and silty clay loam soils and the subsequent release of 14CO2 was determined. After 120 days of incubation, 8.1% of the original aflatoxin added to the silt loam soil was released as CO2. Aflatoxin decomposition in the sandy loam soil proceeded more quickly than the other two soils for the first 20 days of incubation. After this time, the decomposition rate declined and by the end of the study, 4.9% of the aflatoxin was released as CO2. Aflatoxin decomposition proceeded most slowly in the silty clay loam soil. Only 1.4% of aflatoxin added to the soil was released as CO2 after 120 days incubation. To determine whether aflatoxin was bound to the silty clay loam soil, aflatoxin B1 was added to this soil and incubated for 20 days. The soil was periodically extracted and the aflatoxin species present were determined using thin layer chromatographic (TLC) procedures. After one day of incubation, the degradation products, aflatoxins B2 and G2, were observed. It was also found that much of the aflatoxin extracted from the soil was not mobile with the TLC solvent system used. This indicated that a conjugate may have formed and thus may be responsible for the lack of aflatoxin decomposition.

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“…Early researchers reported lettuce seedlings taking up AFB l from soil and transferring the same to above-ground portions of plant (Mertz, Edward, Lee, & Zuber, 1981;Mertz et al, 1980). In addition, fumonisin was taken up by maize seedlings and concluded that fungus-plant interaction is necessary for FB 1 translocation in maize seedlings (Zitomer et al, 2010).…”

Section: Discussionmentioning

confidence: 99%