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Influence of Sulfonamide Contamination Derived from Veterinary Antibiotics on Plant Growth and Development.


ABSTRACT: Veterinary antibiotics such as sulfonamides are widely used to increase feed efficiency and to protect against disease in livestock production. The sulfonamide antimicrobial mechanism involves the blocking of folate biosynthesis by inhibiting bacterial dihydropteroate synthase (DHPS) activity competitively. Interestingly, most treatment antibiotics can be released into the environment via manure and result in significant diffuse pollution in the environment. However, the physiological effects of sulfonamide during plant growth and development remain elusive because the plant response is dependent on folate biosynthesis and the concentration of antibiotics. Here, we present a chemical interaction docking model between Napa cabbage (Brassica campestris) DHPS and sulfamethoxazole and sulfamethazine, which are the most abundant sulfonamides detected in the environment. Furthermore, seedling growth inhibition was observed in lentil bean (Lens culinaris), rice (Oryza sativa), and Napa cabbage plants upon sulfonamide exposure. The results revealed that sulfonamide antibiotics target plant DHPS in a module similar to bacterial DHPS and affect early growth and the development of crop seedlings. Taking these results together, we suggest that sulfonamides act as pollutants in crop fields.

SUBMITTER: Cheong MS 

PROVIDER: S-EPMC7460019 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Influence of Sulfonamide Contamination Derived from Veterinary Antibiotics on Plant Growth and Development.

Cheong Mi Sun MS   Seo Kyung Hye KH   Chohra Hadjer H   Yoon Young Eun YE   Choe Hyeonji H   Kantharaj Vimalraj V   Lee Yong Bok YB  

Antibiotics (Basel, Switzerland) 20200728 8


Veterinary antibiotics such as sulfonamides are widely used to increase feed efficiency and to protect against disease in livestock production. The sulfonamide antimicrobial mechanism involves the blocking of folate biosynthesis by inhibiting bacterial dihydropteroate synthase (DHPS) activity competitively. Interestingly, most treatment antibiotics can be released into the environment via manure and result in significant diffuse pollution in the environment. However, the physiological effects of  ...[more]

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