The differential behavior of arbuscular mycorrhizal fungi in interaction with Astragalus sinicus L. under salt stress
The differential behavior of arbuscular mycorrhizal fungi in interaction with Astragalus sinicus L. under salt stress
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盐胁迫下丛枝菌根真菌与黄芪相互作用的差异行为
DOI：
10.1007/s00572-010-0311-9
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发表时间：
2010
期刊：
影响因子：
3.9
通讯作者：
Zhao, Bin
中科院分区：
文献类型：
--
作者：
Chen, Xiuhua;Li, Yan;Lin, Hui;Shi, Ping;Peng, Jin;Zhao, Bin
比较了3种丛枝菌根真菌（Glomus mosseae、Glomus claroideum和Glomus intraradices）在紫云英（Astragalus sinicus L.）根部的定殖能力和活性。在盐胁迫的土壤条件下菌根形成，活性的真菌琥珀酸脱氢酶，碱性磷酸酶，以及植物生物量，进行了评价后7周的植物生长。土壤中NaCl浓度的增加一般会降低地上部和根系的干重。接种AM真菌可显著减轻盐胁迫对黄瓜幼苗生长的抑制作用。G.根内AM真菌的根系定殖能力和酶活性最强。巢式PCR结果表明，在盐胁迫下，3种AM真菌混合接种的植物根系中，大部分菌根根段被1种或2种AM真菌侵染，部分根段被3种AM真菌同时侵染。与单独接种相比，G. mosseae在根中的增加，在其他两种真菌的存在下，最高水平的NaCl，这表明这些真菌之间的协同作用在盐胁迫下。
Three arbuscular mycorrhizal (AM) fungi (Glomus mosseae, Glomus claroideum, and Glomus intraradices) were compared for their root colonizing ability and activity in the root of Astragalus sinicus L. under salt-stressed soil conditions. Mycorrhizal formation, activity of fungal succinate dehydrogenase, and alkaline phosphatase, as well as plant biomass, were evaluated after 7 weeks of plant growth. Increasing the concentration of NaCl in soil generally decreased the dry weight of shoots and roots. Inoculation with AM fungi significantly alleviated inhibitory effect of salt stress. G. intraradices was the most efficient AM fungus compared with the other two fungi in terms of root colonization and enzyme activity. Nested PCR revealed that in root system of plants inoculated with a mix of the three AM fungi and grown under salt stress, the majority of mycorrhizal root fragments were colonized by one or two AM fungi, and some roots were colonized by all the three. Compared to inoculation alone, the frequency of G. mosseae in roots increased in the presence of the other two fungal species and highest level of NaCl, suggesting a synergistic interaction between these fungi under salt stress.
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影响因子：
1
作者：
S. Reddy;P. Pindi;S. Reddy
通讯作者：
S. Reddy;P. Pindi;S. Reddy
影响因子：
4.9
作者：
E. Jacquot;D. V. Tuinen;S. Gianinazzi;V. Gianinazzi‐Pearson
通讯作者：
E. Jacquot;D. V. Tuinen;S. Gianinazzi;V. Gianinazzi‐Pearson
DOI：
--
发表时间：
1986
期刊：
--
影响因子：
--
作者：
A. Trouvelot;J. Kough;V. Gianinazzi‐Pearson
通讯作者：
A. Trouvelot;J. Kough;V. Gianinazzi‐Pearson
影响因子：
3.9
作者：
Gollotte, A;van Tuinen, D;Atkinson, D
通讯作者：
Atkinson, D
影响因子：
3.9
作者：
Renker, C;Heinrichs, J;Buscot, F
通讯作者：
Buscot, F