Bayogenin 3-O-cellobioside confers non-cultivar-specific defence against the rice blast fungus Pyricularia oryzae.

Bayogenin 3-O-cellobioside confers non-cultivar-specific defence against the rice blast fungus Pyricularia oryzae.
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Bayogenin 3-O-纤维二糖苷赋予针对稻瘟病菌 Pyrularia oryzae 的非品种特异性防御

DOI:
10.1111/pbi.13488
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发表时间:
2021-03
影响因子:
13.8
通讯作者:
Wang Z
Wang Z
中科院分区:
工程技术1区
文献类型:
--
作者:
Norvienyeku J;Lin L;Waheed A;Chen X;Bao J;Aliyu SR;Lin L;Shabbir A;Batool W;Zhong Z;Zhou J;Lu G;Wang Z

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由于遗传分化,杂交水稻品种对稻瘟病具有不同的抗性。不同的水稻品种是否也表现出不同的代谢变化,以及它们在寄主抗性中的作用,目前还知之甚少。在这里,我们研究了六个不同的水稻品种对稻瘟病菌的反应。感病和抗病水稻品种在白叶枯病菌侵染过程中都能表达多种代谢产物,其中包括皂苷贝母皂苷3-O-纤维二糖苷。侵染水稻的贝母皂素3-O-纤维二糖苷水平与其抗性属性直接相关。这些发现首次揭示,据我们所知,除燕麦外,包括水稻在内的其他草本植物也会产生具有保护作用的皂苷。我们的研究为病原体介导的代谢组学重新编程在宿主免疫中的作用提供了洞察力。贝母皂素3-O-纤维二糖苷水平与稻瘟病抗性之间的相关性表明,在谷类作物中表达工程皂素代表着诱人和可持续的病害管理。
Rice cultivars from japonica and indica lineage possess differential resistance against blast fungus as a result of genetic divergence. Whether different rice cultivars also show distinct metabolomic changes in response to P. oryzae, and their role in host resistance, are poorly understood. Here, we examine the responses of six different rice cultivars from japonica and indica lineage challenged with P. oryzae. Both susceptible and resistant rice cultivars expressed several metabolites exclusively during P. oryzae infection, including the saponin Bayogenin 3‐O‐cellobioside. Bayogenin 3‐O‐cellobioside level in infected rice directly correlated with their resistant attributes. These findings reveal, for the first time to our knowledge that besides oat, other grass plants including rice produces protective saponins. Our study provides insight into the role of pathogen‐mediated metabolomics reprogramming in host immunity. The correlation between Bayogenin 3‐O‐Cellobioside levels and blast resistance suggests that engineering saponin expression in cereal crops represents attractive and sustainable disease management.
DOI: 10.1071/fp09304
发表时间: 2010-05-20
期刊: Functional plant biology : FPB
影响因子: --
作者:
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DOI: 10.3390/molecules190811404
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DOI: 10.1038/srep05067
发表时间: 2014-05-27
期刊: Scientific reports
影响因子: 4.6
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Hu C;Shi J;Quan S;Cui B;Kleessen S;Nikoloski Z;Tohge T;Alexander D;Guo L;Lin H;Wang J;Cui X;Rao J;Luo Q;Zhao X;Fernie AR;Zhang D
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期刊: Rice (New York, N.Y.)
影响因子: --
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DOI: 10.1534/genetics.108.089805
发表时间: 2008-07-01
期刊: GENETICS
影响因子: 3.3
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