Zhang, Jun published the artcileReducing cadmium bioavailability and accumulation in vegetable by an alkalizing bacterial strain, Product Details of C4H6O5, the main research area is cadmium bioavailability bioaccumulation contaminated soil bioremediation alkalizing bacteria; Alkalization; Bacillus sp. XT-4; Bioremediation; Cadmium (Cd); Rhizosphere.
Cadmium (Cd) contamination in agricultural soils is a widespread environmental problem that can affect food safety and human health. Effective remediation methods are needed to reduce Cd bioavailability in soil and Cd accumulation in food crops. In the present study, we isolated a Cd-resistant and alkalizing bacterium strain XT-4 from a Cd-contaminated soil and evaluated its potential application in Cd bioremediation. Based on its morphol., physiol. and biochem. characteristics, together with 16S rRNA gene sequence anal., strain XT-4 was identified as a member of the Bacillus genus. Strain XT-4 showed a strong ability to increase the pH and decrease Cd solubility in the medium. A greenhouse-based pot experiment with a Cd-contaminated soil was conducted to evaluate the effect of strain XT-4 inoculation on the growth and Cd accumulation of the vegetable Pak choi (Brassica rapa ssp. chinensis). Inoculation increased the rhizosphere pH, decreased CaCl2-extractable Cd in the soil and decreased Cd concentration in the edible part of Pak choi by 28-40%. The results suggest that inoculation with alkalizing bacterial strain XT-4 represents an effective solution to increase rhizosphere pH and decrease Cd uptake by vegetable crops in Cd-contaminated acid soils.
Science of the Total Environment published new progress about 16S rRNA Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 97-67-6 belongs to class alcohols-buliding-blocks, name is (S)-2-hydroxysuccinic acid, and the molecular formula is C4H6O5, Product Details of C4H6O5.
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