Localized Expression of Arbuscular Mycorrhiza-Inducible Ammonium Transporters in Soybean

被引：144
作者：
Kobae, Yoshihiro [1 ]
Tamura, Yosuke [1 ]
Takai, Shoko [1 ]
Banba, Mari [1 ]
Hata, Shingo [1 ]
机构：
[1] Nagoya Univ, Grad Sch Bioagr Sci, Lab Crop Sci, Nagoya, Aichi 4648601, Japan
来源：
PLANT AND CELL PHYSIOLOGY | 2010年 / 51卷 / 09期
关键词：
Ammonium transporter; Arbuscular mycorrhiza; Glycine max; Symbiosis; MEDICAGO-TRUNCATULA; PHOSPHATE TRANSPORTER; NITROGEN TRANSFER; GENE; FAMILY; ROOTS; SYMBIOSIS; REVEALS; ENCODES; FUNGI;
D O I：
10.1093/pcp/pcq099
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The majority of land plants acquire soil nutrients, such as phosphorus and nitrogen, not only through the root surface but also through arbuscular mycorrhizal (AM) fungi. Soybean is the most important leguminous crop in the world. We found 16 ammonium transporter genes in the soybean genome, five of which are AM inducible. Among them, promoterreporter analysis indicated that the most abundantly transcribed gene, GmAMT4.1, showed specific expression in arbusculated cortical cells. Moreover, the GmAMT4.1green fluorescent protein fusion was localized on the branch domain of periarbuscular membranes but not on the trunk region, indicating that active ammonium transfer occurs around the arbuscule branches.
引用
收藏
页码：1411 / 1415
页数：5
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