您的位置: 专家智库 > >

国家自然科学基金(30730061)

作品数:8 被引量:44H指数:5
相关作者:栾军波刘树生徐婧李萌更多>>
相关机构:浙江大学更多>>
发文基金:国家自然科学基金国家重点基础研究发展计划更多>>
相关领域:农业科学生物学环境科学与工程更多>>

文献类型

  • 8篇期刊文章
  • 4篇会议论文

领域

  • 9篇农业科学
  • 4篇生物学
  • 1篇环境科学与工...

主题

  • 4篇BIOTYP...
  • 4篇INVASI...
  • 3篇入侵
  • 3篇媒介昆虫
  • 3篇昆虫
  • 3篇AN
  • 3篇BIOTYP...
  • 2篇植物
  • 2篇生物入侵
  • 2篇交配
  • 2篇病毒
  • 2篇WHITEF...
  • 1篇烟粉虱
  • 1篇植物病毒
  • 1篇入侵行为
  • 1篇生理机制
  • 1篇外来害虫
  • 1篇扩散
  • 1篇害虫
  • 1篇粉虱

机构

  • 4篇浙江大学

作者

  • 4篇刘树生
  • 4篇栾军波
  • 1篇徐婧
  • 1篇李萌

传媒

  • 2篇Journa...
  • 1篇生物多样性
  • 1篇生命科学
  • 1篇昆虫知识
  • 1篇Journa...
  • 1篇生物安全学报...
  • 1篇Integr...

年份

  • 3篇2012
  • 1篇2011
  • 3篇2010
  • 2篇2009
  • 3篇2008
8 条 记 录,以下是 1-10
排序方式:
重大外来害虫B型烟粉虱的入侵行为和生态机制被引量:7
2008年
烟粉虱Bemisia tabaci(Gennadius)复合种是热带、亚热带及相邻温带地区的主要害虫之一。其中的B型烟粉虱在近20年来随观赏植物的运输在世界范围内广泛传播扩散,并在许多入侵地迅速取代本地的土著烟粉虱,通过直接取食植物汁液、传播植物双生病毒等方式对当地的农业生产造成极大危害。在B型烟粉虱入侵生物学研究方面,作者课题组研究发现,至少有两个主要机制导致或促进了B型烟粉虱的广泛入侵及其所伴随的双生病毒流行:(1)入侵烟粉虱与土著烟粉虱之间的"非对称交配互作";(2)入侵烟粉虱与所传双生病毒之间的间接互惠共生关系。这些研究结果从一定程度上揭示了B型烟粉虱成功入侵的行为和生态机制,并为进一步探讨烟粉虱的入侵机制提供了思路。
徐婧栾军波刘树生
关键词:烟粉虱
Differences in mating behavior lead to asymmetric mating interactions and consequential changes in sex ratio between an invasive and an indigenous whitefly
2012年
The invasive B whitefly and the indigenous ZHJ2 whitefly in China of the Bemisia tabaci complex represent two previously allopatric cryptic species.Laboratory experiments have shown that the invasive B can displace the indigenous ZHJ2.Here,we observed the mating behavior and mating interactions between B and ZHJ2 to elucidate the behavioral mechanisms underlying their competition.The 2 species are able to mate with each oth-er,although at a significantly lower frequency than that between males and females within the same species.Heterospecifically-mated females produce only male progeny,indicating reproductive isolation.Heterospecific mating had only a marginal effect on reproduction of females in either species.Detailed observations on mating interactions between the 2 species showed that B had higher sexual activity than ZHJ2.B males were more like-ly to interrupt courtships initiated by rival males than ZHJ2 males.Compared with ZHJ2 males,B males were also more likely to successfully interrupt courtships initiated by rival heterospecific males than by males of the same species.In addition,B males guarded B females post-copulation,whereas ZHJ2 males did not.When the 2 species co-occurred,the behavioral differences and interactions between them resulted in an increased propor-tion of females produced in the offspring of B but reduced proportion of females in the progeny of ZHJ2.These asymmetric mating interactions might be an important mechanism underlying the displacement of ZHJ2 by B.Our study shows that reproductive interference might contribute to the competitive exclusion between closely related species during biological invasions.
Junbo LUANShusheng LIU
关键词:COURTSHIP
Species Exclusion Between an Invasive and an Indigenous Whitefly on Host Plants with Differential Levels of Suitability被引量:6
2012年
The whitefly Bemisia tabaci has risen to international prominence since the 1980s due to the rapid spread around the globe by the two species B and Q within this species complex.The invasion of B has often been associated with the displacement of indigenous whiteflies.As the genetic structure of B.tabaci is diverse,more case studies of the competitive relationships between B and indigenous species of the whitefly species complex will help to understand further the mechanisms underlying the invasion of B.We examined the competitive interactions between B and ZHJ2,a widely distributed indigenous whitefly in Asia,on host plants with differential levels of suitability to the two species in the laboratory,and also tested the effect of insecticide application on the competitive relationships.Three species of plants were tested including cotton,a plant showing similar levels of suitability to both species,squash,a plant showing higher suitability to B than to ZHJ2,and kidney bean,a plant showing higher suitability to ZHJ2 than to B.In the case of no insecticide application,B displaced ZHJ2 on cotton,squash,and kidney bean by the 6th,3rd and 10th generation,respectively.With the application of imidacloprid,the displacement of ZHJ2 by B on cotton occurred by the 5th generation.As the displacement progressed,the proportion of B females increased,and the proportion of ZHJ2 females decreased on cotton and squash.In contrast,on kidney bean the proportion of B females remained unchanged while that of ZHJ2 increased.These results show the strong capacity of the invasive B to displace ZHJ2,and indicate that host plants with differential levels of suitability to the two species may affect the speed but not the trend of displacement and insecticide application may accelerate the process of displacement.
LUAN Jun-boXU JingLIN Ke-keMyron P ZaluckiLIU Shu-sheng
关键词:INSECTICIDE
p38 MAPK is a Component of the Signal Transduction Pathway Triggering Cold Stress Response in the MED Cryptic Species of Bemisia tabaci被引量:6
2012年
Cold stress responses help insects to survive under low temperatures that would be lethal otherwise.This phenomenon might contribute to the invasion of some Bemisia tabaci cryptic species from subtropical areas to temperate regions.However,the molecular mechanisms regulating cold stress responses in whitefly are yet unclear.Mitogen-activated protein kinases(MAPKs)which including p38,ERK,and JNK,are well known for their roles in regulating metabolic responses to cold stress in many insects.In this study,we explored the possible roles of the MAPKs in response to low temperature stresses in the Mediterranean cryptic species(the Q-biotype)of the B.tabaci species complex.First,we cloned the p38 and ERK genes from the whitefly cDNA library.Next,we analyzed the activation of MAPKs during cold stress in the Mediterranean cryptic species by immuno-blotting.After cold stress,the level of phospho-p38 increased but no significant change was observed in the phosphorylation of ERK and JNK,thus suggesting that the p38 might be responsible for the defense response to low temperature stress.Furthermore,we demonstrated that:i)3 min chilling at 0°C was sufficient for the activation of p38 MAPK pathway in this whitefly;and ii)the amount of phosphorylated p38 increased significantly in the first 20 min of chilling,reversed by 60 min,and then returned to the original level by 120 min.Taken together,our results suggest that the p38 pathway is important during response to low temperature stress in the Mediterranean cryptic species of the B.tabaci species complex.
LI Fang-fangXIA JunLI Jun-minLIU Shu-shengWANG Xiao-wei
关键词:P38PHOSPHORYLATION
Spatial and Temporal Distribution Patterns of Bemisia tabaci biotypes/haplotypes in Zhejiang,China
Introduction:The whitefly Bemisia tabaci consists of 12 major genetic groups distributed throughout tropical a...
Xu Jing,Liu Jian,Liu Shu-Sheng~* (Institute of Insect Sciences,Zhejiang University,Hangzhou 310029,China)
关键词:DISPLACEMENTDISTRIBUTIONZHEJIANG
动物入侵的行为机制被引量:2
2011年
行为特征可在外来动物建立种群和扩张过程中发挥重要作用,因此,要正确理解动物入侵,常常需要仔细研究其行为机制。20世纪80年代以来,随着动物入侵规模在世界各地的迅速加剧,有关其行为机制的研究也受到了广泛关注。最近一些研究表明,一些入侵动物种内攻击和觅食等行为具有可塑性,因此它们能够灵活应对多变的环境条件,这对于种群的建立和维持至关重要;入侵动物与土著物种发生行为互作时,往往占据优势,从而取代土著物种,并有助于其地域扩张;入侵动物长距离扩散可以提高其地域扩张速度,许多行为可与扩散行为结合进一步促进扩张。今后需要加强对入侵动物的行为分析,使之全面地融合到生物入侵的研究之中。这不仅可以提高对外来物种入侵的预警和治理能力,而且为探索动物行为的奥秘以及动物间行为互作在物种进化中的意义提供了独特的机会。
栾军波刘树生
关键词:交配扩散
Competitive Displacement between the Invasive B and Indigenous Zhj2 Biotypes of Bemisia tabaci in Laboratory
<正>The whitefly Bemisia tabaci has risen to international prominence since 1980s due to the global invasion by...
Jun-Bo Luan,Shu-Sheng Liu~* Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Insect Sciences,Zhejiang University,Hangzhou 310029,China
文献传递
媒介昆虫-病毒-植物互作加剧生物入侵的过程和生理机制被引量:1
2010年
烟粉虱(Bemisia tabaci)及其传播的双生病毒是全球性重大入侵生物,给农业生产造成了严重损失。媒介昆虫—病毒—植物互作是决定病害流行和昆虫种群动态的重要因子,但其在生物入侵中所起的作用一直未受到关注。入侵烟粉虱与双生病毒通过寄主植物所形成的间接互惠共生关系可能是其广泛入侵并取代土著近缘生物的一个重要生态机制。现已从植物生理变化、昆虫共生细菌生理功能和昆虫生理反应三个方面综合探讨这种互惠共生关系的生理机制及分子机制,以期深入揭示媒介昆虫与病毒互作在生物入侵中的作用,为发展高效的预警和治理技术体系提供理论基础。
李萌栾军波刘树生
关键词:生物入侵生理机制
媒介昆虫-病毒-植物互作对生物入侵的影响被引量:9
2010年
媒介昆虫-病毒-植物互作关系复杂多样。虽然相关的研究较多,然而有关三者互作对于生物入侵的影响还知之甚少。已有证据表明,寄主植物对病毒的敏感性和对媒介昆虫的适合性、媒介昆虫对寄主的适应能力等因素影响三者互作关系。当寄主植物易感病并且对媒介昆虫的适合性低,而媒介昆虫对寄主植物的适应能力强时,媒介昆虫与植物病毒之间很可能建立间接互惠关系,这种互惠可促进媒介昆虫入侵和病毒病流行。此外,媒介昆虫与植物病毒之间中性或偏害的互作关系对于外来生物入侵的促进作用也不容忽视。鉴于三者互作对于生物入侵的重要性,今后需要对不同物种所组成的多种组合进行比较研究,并采用多种方法揭示互作的生理和分子机制。
栾军波刘树生
关键词:媒介昆虫植物病毒植物生物入侵
Comparison of Performance on TYLCCNV-infected Tomato Plants between the B and ZHJ1 Biotypes of Bemisia tabaci
Introduction:In the last 10 years,with the rapid and widespread invasion of Bemisia tabaci B biotype in China,...
Liu Jian~1,Zhao Hua~1,Jiang Kai~1,Zhou Xue-Ping~2,Liu Shu-Sheng~(1*) (1 Institute of Insect Sciences,Zhejiang University,Hangzhou 310029,China.2 Institute of Biotechnology,Zhejiang University,Hangzhou 310029,China)
关键词:INVASION
共2页<12>
聚类工具0