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Effects of bisphenol A, an environmental endocrine disruptor, on the endogenous hormones of plants. 2015

Shengman Wang, and Lihong Wang, and Weiqi Hua, and Min Zhou, and Qingqing Wang, and Qing Zhou, and Xiaohua Huang
State Key Laboratory of Food Science and Technology, Jiangsu Cooperative Innovation Center of Water Treatment Technology and Materials, School of Environment and Civil Engineering, Jiangnan University, Wuxi, 214122, China.

Bisphenol A (BPA) is a ubiquitous endocrine-disrupting chemical in the environment that exerts potential harm to plants. Phytohormones play important roles both in regulating multiple aspects of plant growth and in plants' responses to environmental stresses. But how BPA affects plant growth by regulating endogenous hormones remains poorly understood. Here, we found that treatment with 1.5 mg L(-1) BPA improved the growth of soybean seedlings, companied by increases in the contents of indole-3-acetic acid (IAA) and zeatin (ZT), and decreases in the ratios of abscisic acid (ABA)/IAA, ABA/gibberellic acid (GA), ABA/ZT, ethylene (ETH)/GA, ETH/IAA, and ETH/ZT. Treatment with higher concentrations of BPA (from 3 to 96 mg L(-1)) inhibited the growth of soybean seedlings, meanwhile, decreased the contents of IAA, GA, ZT, and ETH, and increased the content of ABA and the ratios of ABA/IAA, ABA/GA, ABA/ZT, ETH/GA, ETH/IAA, and ETH/ZT. The increases in the ratios of growth and stress hormones were correlated with the increase in the BPA content of the roots. Thus, BPA could affect plant growth through changing the levels of single endogenous hormone and the ratios of growth and stress hormones in the roots because of BPA absorption by the roots.

UI MeSH Term Description Entries
D007210 Indoleacetic Acids Acetic acid derivatives of the heterocyclic compound indole. (Merck Index, 11th ed) Auxin,Auxins,Indolylacetic Acids,Acids, Indoleacetic,Acids, Indolylacetic
D010636 Phenols Benzene derivatives that include one or more hydroxyl groups attached to the ring structure.
D010937 Plant Growth Regulators Any of the hormones produced naturally in plants and active in controlling growth and other functions. There are three primary classes: auxins, cytokinins, and gibberellins. Phytohormone,Phytohormones,Plant Growth Regulator,Plant Hormone,Plant Hormones,Growth Regulators, Plant,Regulators, Plant Growth,Growth Regulator, Plant,Hormone, Plant,Hormones, Plant,Regulator, Plant Growth
D004785 Environmental Pollutants Substances or energies, for example heat or light, which when introduced into the air, water, or land threaten life or health of individuals or ECOSYSTEMS. Environmental Pollutant,Pollutant,Pollutants,Pollutants, Environmental,Pollutant, Environmental
D005030 Ethylenes Derivatives of ethylene, a simple organic gas of biological origin with many industrial and biological use.
D005875 Gibberellins A class of plant growth hormone isolated from cultures of GIBBERELLA FUJIKUROI, a fungus causing Bakanae disease in rice. There are many different members of the family as well as mixtures of multiple members; all are diterpenoid acids based on the gibberellane skeleton. Gibberellin
D000040 Abscisic Acid Abscission-accelerating plant growth substance isolated from young cotton fruit, leaves of sycamore, birch, and other plants, and from potatoes, lemons, avocados, and other fruits. 2,4-Pentadienoic acid, 5-(1-hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl)-3-methyl-, (S-(Z,E))-,Abscisic Acid Monoammonium Salt, (R)-Isomer,Abscisic Acid, (+,-)-Isomer,Abscisic Acid, (E,E)-(+-)-Isomer,Abscisic Acid, (E,Z)-(+,-)-Isomer,Abscisic Acid, (R)-Isomer,Abscisic Acid, (Z,E)-Isomer,Abscissic Acid,Abscissins
D001559 Benzhydryl Compounds Compounds which contain the methyl radical substituted with two benzene rings. Permitted are any substituents, but ring fusion to any of the benzene rings is not allowed. Diphenylmethyl Compounds,Compounds, Benzhydryl,Compounds, Diphenylmethyl
D013025 Glycine max An annual legume. The SEEDS of this plant are edible and used to produce a variety of SOY FOODS. Soy Beans,Soybeans,Bean, Soy,Beans, Soy,Soy Bean,Soybean
D052244 Endocrine Disruptors Exogenous agents, synthetic and naturally occurring, which are capable of disrupting the functions of the ENDOCRINE SYSTEM including the maintenance of HOMEOSTASIS and the regulation of developmental processes. Endocrine disruptors are compounds that can mimic HORMONES, or enhance or block the binding of hormones to their receptors, or otherwise lead to activating or inhibiting the endocrine signaling pathways and hormone metabolism. Endocrine Disrupting Chemical,Endocrine Disrupting Chemicals,Endocrine Disruptor,Endocrine Disruptor Effect,Endocrine Disruptor Effects,Chemical, Endocrine Disrupting,Chemicals, Endocrine Disrupting,Disrupting Chemical, Endocrine,Disruptor Effect, Endocrine,Disruptor Effects, Endocrine,Disruptor, Endocrine,Disruptors, Endocrine,Effect, Endocrine Disruptor,Effects, Endocrine Disruptor

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