Roles of chemical signals in regulation of the adaptive responses to iron deficiency

Roles of chemical signals in regulation of the adaptive responses to iron deficiency
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化学信号在调节缺铁适应性反应中的作用

DOI:
10.1080/15592324.2016.1179418
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发表时间:
2016-04
影响因子:
2.9
通讯作者:
Jin CW
Jin CW
中科院分区:
生物学4区
文献类型:
--
作者:
Liu XX;He XL;Jin CW

文献摘要

参考文献

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摘要铁是植物必需的微量元素,但在大多数石灰性土壤中不易获得。虽然植物对缺铁的适应性反应已经有了很好的记录,但迄今为止,导致其激活的调节级联中所涉及的信号还没有得到很好的理解。最近的研究表明,化学物质,包括蔗糖,生长素,乙烯和一氧化氮,正调控铁缺乏诱导的铁吸收过程中的合作方式。然而,细胞分裂素,茉莉酸和脱落酸被证明是作为负信号传递缺铁的信息。本文就近年来有关化学信号在铁缺乏适应性反应调控中的作用的文献作一简要综述。
ABSTRACT Iron is an essential micronutrient for plants but is not readily accessible in most calcareous soils. Although the adaptive responses of plants to iron deficiency have been well documented, the signals involved in the regulatory cascade leading to their activation are not well understood to date. Recent studies revealed that chemical compounds, including sucrose, auxin, ethylene and nitric oxide, positively regulated the Fe-deficiency-induced Fe uptake processes in a cooperative manner. Nevertheless, cytokinins, jasmonate and abscisic acid were shown to act as negative signals in transmitting the iron deficiency information. The present mini review is to briefly address the roles of chemical signals in regulation of the adaptive responses to iron deficiency based on the literatures published in recent years.
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