Arbuscular mycorrhiza maintains nodule function during external NH (4) (+) supply in Phaseolus vulgaris (L.)
文献类型：期刊论文
| 作者 | Mortimer, Peter E.3,4; Perez-Fernandez, Maria A.2; Valentine, Alex J.1 |
| 刊名 | MYCORRHIZA
 |
| 出版日期 | 2012-04-01 |
| 卷号 | 22期号:3页码:237-245 |
| 关键词 | Arbuscular Mycorrhiza Nh4++ Nitrogen Fixation Photosynthesis Asparagines |
| ISSN号 | 0940-6360 |
| DOI | 10.1007/s00572-011-0396-9 |
| 通讯作者 | Valentine, A (reprint author), Univ Stellenbosch, Dept Bot & Zool, Fac Sci, Private Bag X1, ZA-7602 Western Cape, South Africa, alexvalentine@mac.com |
| 文献子类 | Article |
| 英文摘要 | The synergistic benefits of the dual inoculation of legumes with nodule bacteria and arbuscular mycorrhizae (AM) are well established, but the effect of an external NH (4) (+) supply on this tripartite relationship is less clear. This effect of NH (4) (+) supply was investigated with regards to the growth and function of the legume host and both symbionts. Nodulated Phaseolus vulgaris seedlings with and without AM, were grown in a sand medium with either 0 N, 1 mM or 3 mM NH (4) (+) . Plants were harvested at 30 days after emergence and measurements were taken for biomass, N-2 fixation, photosynthesis, asparagine concentration, construction costs and N nutrition. The addition of NH (4) (+) led to a decline in the percentage AM colonization and nodule dry weights, although AM colonization was affected to a lesser extent. NH (4) (+) supply also resulted in a decrease in the reliance on biological nitrogen fixation (BNF); however, the AM roots maintained higher levels of NH (4) (+) uptake than their non-AM counterparts. Furthermore, the non-AM plants had a higher production of asparagine than the AM plants. The inhibitory effects of NH (4) (+) on nodule function can be reduced by the presence of AM at moderate levels of NH (4) (+) (1 mM), via improving nodule growth or relieving the asparagine-induced inhibition of BNF. |
| 学科主题 | Mycology |
| WOS关键词 | NITROGEN-FIXATION ; N-2 FIXATION ; MEDICAGO-TRUNCATULA ; FEEDBACK-REGULATION ; GROWTH ; CARBON ; PHOTOSYNTHESIS ; RHIZOBIUM ; SYMBIOSIS ; COLONIZATION |
| WOS研究方向 | Mycology |
| 语种 | 英语 |
| WOS记录号 | WOS:000301586200008 |
| 公开日期 | 2012-06-07 |
| 源URL | [http://ir.kib.ac.cn:8080/handle/151853/10501]  |
| 专题 | 昆明植物研究所_资源植物与生物技术所级重点实验室 |
| 作者单位 | 1.Univ Stellenbosch, Dept Bot & Zool, Fac Sci, ZA-7602 Western Cape, South Africa 2.Univ Pablo de Olavide, Area Ecol, Fac Ciencias Expt, Seville 41013, Spain 3.Chinese Acad Sci, Key Lab Econ Plants & Biotechnol, Kunming Inst Bot, Kunming 650204, Peoples R China 4.Kunming Inst Bot, CMES, Kunming 650204, Yunnan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Mortimer, Peter E.,Perez-Fernandez, Maria A.,Valentine, Alex J.. Arbuscular mycorrhiza maintains nodule function during external NH (4) (+) supply in Phaseolus vulgaris (L.)[J]. MYCORRHIZA,2012,22(3):237-245. |
| APA | Mortimer, Peter E.,Perez-Fernandez, Maria A.,&Valentine, Alex J..(2012).Arbuscular mycorrhiza maintains nodule function during external NH (4) (+) supply in Phaseolus vulgaris (L.).MYCORRHIZA,22(3),237-245. |
| MLA | Mortimer, Peter E.,et al."Arbuscular mycorrhiza maintains nodule function during external NH (4) (+) supply in Phaseolus vulgaris (L.)".MYCORRHIZA 22.3(2012):237-245. |
入库方式： OAI收割
来源：昆明植物研究所
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