Strigolactones as germination stimulants for root parasitic plants.

Strigolactones as germination stimulants for root parasitic plants.
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DOI:
10.1093/pcp/pcq055
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发表时间:
2010-07
影响因子:
4.9
通讯作者:
Takeuchi Y
Takeuchi Y
中科院分区:
生物学2区
文献类型:
--
作者:
Yoneyama K;Awad AA;Xie X;Yoneyama K;Takeuchi Y

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杂草(Striga spp.)和金雀花(Orobanche和Phelipance spp.)是两种最具破坏性的根部寄生植物,属于萝卜科,在世界各地造成巨大的作物损失。这些根寄生虫的种子不会发芽,除非它们暴露在化学刺激下,化学刺激是由植物根产生和释放的“发芽刺激剂”。到目前为止,已鉴定的大多数萌发刺激剂是链霉内酯(SLS),它还可以作为丛枝菌根真菌的寄主识别信号,以及一类新的抑制枝条生长的植物激素。在这篇综述中,我们重点介绍了SLS作为根寄生植物萌发刺激剂的研究进展。此外,我们还讨论了高粱品种在SL分泌物的数量和质量上的差异如何影响其对稻瘟的敏感性。
Witchweeds (Striga spp.) and broomrapes (Orobanche and Phelipanche spp.) are the two most devastating root parasitic plants belonging to the family Orobanchaceae and are causing enormous crop losses throughout the world. Seeds of these root parasites will not germinate unless they are exposed to chemical stimuli, ‘germination stimulants’ produced by and released from plant roots. Most of the germination stimulants identified so far are strigolactones (SLs), which also function as host recognition signals for arbuscular mycorrhizal fungi and a novel class of plant hormones inhibiting shoot branching. In this review, we focus on SLs as germination stimulants for root parasitic plants. In addition, we discuss how quantitative and qualitative differences in SL exudation among sorghum cultivars influence their susceptibility to Striga.
DOI: 10.1042/bj0500596
发表时间: 1952-01-01
影响因子: 4.1
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