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Transcriptome approach to understand the potential mechanisms of resistant and susceptible alfalfa (Medicago sativa L.) cultivars in response to aphid feeding
Tu Xiongbing1; Zhao Hailong1; Zhang Zehua1
2018
Source PublicationJOURNAL OF INTEGRATIVE AGRICULTURE
ISSN2095-3119
Volume17Issue:11Pages:2518-2527
AbstractPlant breeding for resistance to agricultural pests is an essential element in the development of integrated crop management systems, however, the molecular and genetic mechanisms underlying resistance are poorly understood. In this pilot study, we conducted a transcriptomic analysis of a resistant (R) and susceptible (S) variety of alfalfa, with (+A) or without (-A) aphids (totally four treatments). We used the resistant cultivar Zhongmu 1 and the susceptible cultivar Soca. A total of 3 549 mRNAs were differentially expressed, of which 1738 up-regulated and 1 307 down-regulated genes were identified in S+A/S-A plants, while 543 up-regulated and 331 down-regulated genes were identified in the R+A/R-A plants. KEGG analysis mapped 112 and 546 differentially expressed genes to 8 and 17 substantially enriched pathways for Zhongmu 1 and Soca, respectively. Six shared pathways were linked to plant resistance traits, including phenylpropanoid biosynthesis associated with salicylic acid synthesis, and linoleic acid metabolism associated with both jasmonic acid and flavonoid biosynthesis. Ultimately, we proposed a preliminary regulatory mechanism of alfalfa cultivar resistance response to aphids feeding based on transcriptome analyses and published documents.
KeywordMANDUCA-SEXTA LEPIDOPTERA HOST NICOTIANA-ATTENUATA DISEASE RESISTANCE MOLECULAR-INTERACTIONS INSECT INTERACTIONS PLANT-RESISTANCE SALICYLIC-ACID GENE DEFENSE TOMATO alfalfa cultivar resistance aphids transcriptomic molecular mechanism
Indexed ByCSCD
Language英语
Funding Project[earmarked fund for China Agriculture Research System]
CSCD IDCSCD:6454105
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/157023
Collection中国科学院金属研究所
Affiliation1.Chinese Acad Agr Sci, State Key Lab Biol Plant Dis & Insect Pests, Institute Plant Protect, Beijing 100193, Peoples R China State Key Lab Biol Plant Dis & Insect Pests Institute Plant Protect
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Tu Xiongbing,Zhao Hailong,Zhang Zehua. Transcriptome approach to understand the potential mechanisms of resistant and susceptible alfalfa (Medicago sativa L.) cultivars in response to aphid feeding[J]. JOURNAL OF INTEGRATIVE AGRICULTURE,2018,17(11):2518-2527.
APA Tu Xiongbing,Zhao Hailong,&Zhang Zehua.(2018).Transcriptome approach to understand the potential mechanisms of resistant and susceptible alfalfa (Medicago sativa L.) cultivars in response to aphid feeding.JOURNAL OF INTEGRATIVE AGRICULTURE,17(11),2518-2527.
MLA Tu Xiongbing,et al."Transcriptome approach to understand the potential mechanisms of resistant and susceptible alfalfa (Medicago sativa L.) cultivars in response to aphid feeding".JOURNAL OF INTEGRATIVE AGRICULTURE 17.11(2018):2518-2527.
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