Strigolactones as Germination Stimulants for Root Parasitic Plants

被引：196
作者：
Yoneyama, Koichi [1 ]
Awad, Ayman A. [2 ]
Xie, Xiaonan [1 ]
Yoneyama, Kaori [3 ]
Takeuchi, Yasutomo [1 ]
机构：
[1] Utsunomiya Univ, Weed Sci Ctr, Utsunomiya, Tochigi 3218505, Japan
[2] Agr Res Org, Abu Naama Stn, Wad Madani, Sudan
[3] Teikyo Univ, Dept Biosci, Utsunomiya, Tochigi 3208551, Japan
来源：
PLANT AND CELL PHYSIOLOGY | 2010年 / 51卷 / 07期
基金：
日本学术振兴会;
关键词：
Germination stimulant; Orobanche; Phelipanche; Root parasitic plants; Striga; Strigolactone; ARBUSCULAR MYCORRHIZAL FUNGI; HERMONTHICA DEL. BENTH; OROBANCHE-MINOR SMITH; STRIGA-LUTEA LOUR; SEED-GERMINATION; ARABIDOPSIS-THALIANA; SORGHUM-BICOLOR; HOST-PLANT; PHOSPHORUS DEFICIENCY; NITROGEN RELATIONS;
D O I：
10.1093/pcp/pcq055
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
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.
引用
收藏
页码：1095 / 1103
页数：9
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