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Comparative Transcriptome Analysis Highlights the Role of NlABCG14 in the Honeydew Production of Virulent Brown Planthoppers (Nilaparvata lugens Stål) to Resistant Rice Variety

文献类型： 外文期刊

作者： Jing, Shengli 1 ; Geng, Mengjia 1 ; Lu, Bojie 2 ; Wu, Bing 1 ; Shao, Yuhan 1 ; Li, Chenxi 1 ; Yu, Qingqing 1 ; Xu, Jingang 1 ; Hu, Wei 3 ; Liu, Qingsong 1 ; Yu, Bin 1 ;

作者机构： 1.Xinyang Normal Univ, Coll Life Sci, Xinyang 464000, Peoples R China

2.South Cent Minzu Univ, Coll Life Sci, Hubei Prov Key Lab Protect & Applicat Special Plan, Wuhan 430074, Peoples R China

3.Guangdong Acad Agr Sci, Rice Res Inst, Guangdong Prov Key Lab New Technol Rice Breeding, Guangzhou 510640, Peoples R China

4.Henan Univ, Sch Life Sci, State Key Lab Cotton Biobreeding & Integrated Util, Key Lab Plant Stress Biol,State Key Lab Crop Stres, Kaifeng 475004, Peoples R China

关键词： brown planthopper; resistant rice; response mechanism; RNA sequencing; ABC transporters

期刊名称：INSECTS （ 影响因子：2.9； 五年影响因子：3.3 ）

ISSN：

年卷期： 2024 年 15 卷 12 期

页码：

收录情况： SCI

摘要： Brown planthoppers (BPHs, Nilaparvata lugens St & aring;l) are a major threat to rice cultivation in Asia, necessitating the development of pest-resistant varieties for effective management. However, the adaptability of BPHs has resulted in the development of virulent populations, such as biotype Y BPHs, which exhibit significant virulence against the rice variety YHY15 that harbors the resistance gene Bph15. The various response mechanisms of BPH populations to resistant rice varieties are critical yet underexplored. Via RNA sequencing, the present study identified distinct transcriptional profiles in avirulent (biotype 1) and virulent (biotype Y) BPH nymphs both before and after feeding on YHY15 rice. Our findings revealed differential expression patterns of gene clusters involved in protein synthesis, hydrolysis, fatty acid biosynthesis, metabolism, cuticle composition, and translocation. Further analysis elucidated changes in the expression of genes associated with longevity and structural components of cuticles, highlighting specific disruptions in both biotype 1 and biotype Y BPHs. Moreover, the two biotypes showed differences in the expression level of genes involved in ATP-binding cassette (ABC) transporters. A functional assessment of ABC transporter genes revealed a role of NlABCG14 in the honeydew production of biotype Y BPHs to YHY15 rice, without impacting their survival and developmental dynamics. These insights deepen our understanding of the mechanisms of virulent BPHs response to resistant rice varieties and highlight potential targets for improving pest management strategies.

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