Genomes of the rice pest brown planthopper and its endosymbionts reveal complex complementary contributions for host adaptation.
Genomes of the rice pest brown planthopper and its endosymbionts reveal complex complementary contributions for host adaptation.
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水稻害虫褐飞虱及其内共生体的基因组揭示了对宿主适应的复杂互补贡献
DOI：
10.1186/s13059-014-0521-0
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发表时间：
2014-12-03
期刊：
影响因子：
12.3
通讯作者：
Cheng JA
中科院分区：
文献类型：
--
作者：
Xue J;Zhou X;Zhang CX;Yu LL;Fan HW;Wang Z;Xu HJ;Xi Y;Zhu ZR;Zhou WW;Pan PL;Li BL;Colbourne JK;Noda H;Suetsugu Y;Kobayashi T;Zheng Y;Liu S;Zhang R;Liu Y;Luo YD;Fang DM;Chen Y;Zhan DL;Lv XD;Cai Y;Wang ZB;Huang HJ;Cheng RL;Zhang XC;Lou YH;Yu B;Zhuo JC;Ye YX;Zhang WQ;Shen ZC;Yang HM;Wang J;Wang J;Bao YY;Cheng JA
褐飞虱，Nilaparvata lugens，是水稻最具破坏性的害虫，是一种典型的单食食草动物，专门以水稻汁液为食，并进行长距离迁徙。在亚洲，大约每三年就会再次爆发一次。它还被用作生态研究和制定有效虫害管理的示范系统。为了更好地了解单食吸油节肢食草动物如何适应其独特的宿主选择，并为改善害虫控制提供见解，我们分析了褐飞虱及其两种内共生体的基因组。结果我们描述了1.14千兆酶的飞虱草图基因组和两种微生物内共生体的基因组，这两种微生物内共生体允许飞虱只在稻田里觅食。在27571个nilaparvata蛋白编码基因中，只有40.8%与本研究中其他14种节肢动物的蛋白质组具有可检测到的共享同源性，反映了包括进化保守的基因家族和生化途径在内的大规模基因丢失。这些独特的基因组特征在功能上与动物独有的植物寄主选择有关。昆虫在营养不平衡的汁液饮食中生存所必需的保守生化途径中缺失的基因存在于其微生物内共生体的基因组中，这些微生物内共生体已经进化到补充宿主的互惠营养需求。结论褐飞虱具有一系列复杂的适应性，涉及多种生物过程，导致其对独家寄主水稻具有高度破坏性的影响。这些发现为有效防治飞虱指明了潜在的方向。
BackgroundThe brown planthopper,Nilaparvata lugens, the most destructive pest of rice, is a typical monophagous herbivore that feeds exclusively on rice sap, which migrates over long distances. Outbreaks of it have re-occurred approximately every three years in Asia. It has also been used as a model system for ecological studies and for developing effective pest management. To better understand how a monophagous sap-sucking arthropod herbivore has adapted to its exclusive host selection and to provide insights to improve pest control, we analyzed the genomes of the brown planthopper and its two endosymbionts.ResultsWe describe the 1.14 gigabase planthopper draft genome and the genomes of two microbial endosymbionts that permit the planthopper to forage exclusively on rice fields. Only 40.8% of the 27,571 identifiedNilaparvataprotein coding genes have detectable shared homology with the proteomes of the other 14 arthropods included in this study, reflecting large-scale gene losses including in evolutionarily conserved gene families and biochemical pathways. These unique genomic features are functionally associated with the animal’s exclusive plant host selection. Genes missing from the insect in conserved biochemical pathways that are essential for its survival on the nutritionally imbalanced sap diet are present in the genomes of its microbial endosymbionts, which have evolved to complement the mutualistic nutritional needs of the host.ConclusionsOur study reveals a series of complex adaptations of the brown planthopper involving a variety of biological processes, that result in its highly destructive impact on the exclusive host rice. All these findings highlight potential directions for effective pest control of the planthopper.
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DOI：
10.1126/science.1197761
发表时间：
2011-02-04
期刊：
Science (New York, N.Y.)
影响因子：
--
作者：
Colbourne JK;Pfrender ME;Gilbert D;Thomas WK;Tucker A;Oakley TH;Tokishita S;Aerts A;Arnold GJ;Basu MK;Bauer DJ;Cáceres CE;Carmel L;Casola C;Choi JH;Detter JC;Dong Q;Dusheyko S;Eads BD;Fröhlich T;Geiler-Samerotte KA;Gerlach D;Hatcher P;Jogdeo S;Krijgsveld J;Kriventseva EV;Kültz D;Laforsch C;Lindquist E;Lopez J;Manak JR;Muller J;Pangilinan J;Patwardhan RP;Pitluck S;Pritham EJ;Rechtsteiner A;Rho M;Rogozin IB;Sakarya O;Salamov A;Schaack S;Shapiro H;Shiga Y;Skalitzky C;Smith Z;Souvorov A;Sung W;Tang Z;Tsuchiya D;Tu H;Vos H;Wang M;Wolf YI;Yamagata H;Yamada T;Ye Y;Shaw JR;Andrews J;Crease TJ;Tang H;Lucas SM;Robertson HM;Bork P;Koonin EV;Zdobnov EM;Grigoriev IV;Lynch M;Boore JL
通讯作者：
Boore JL
影响因子：
14.9
作者：
Bairoch, A;Apweiler, R
通讯作者：
Apweiler, R
影响因子：
2.2
作者：
Chen, Yolanda H.;Bernal, Carmencita C.;Fitzgerald, Melissa A.
通讯作者：
Fitzgerald, Melissa A.
影响因子：
2.3
作者：
CHENIER, JVR;PHILOGENE, BJR
通讯作者：
PHILOGENE, BJR
影响因子：
14.9
作者：
Griffiths-Jones S;Moxon S;Marshall M;Khanna A;Eddy SR;Bateman A
通讯作者：
Bateman A