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Grapevine fanleaf virus: Biology, biotechnology and resistance- [electronic resource]
Grapevine fanleaf virus: Biology, biotechnology and resistance - [electronic resource] / G...
Grapevine fanleaf virus: Biology, biotechnology and resistance- [electronic resource]

상세정보

자료유형  
 학위논문(국외)
자관 청구기호  
기본표목-개인명  
표제와 책임표시사항  
Grapevine fanleaf virus: Biology, biotechnology and resistance - [electronic resource] / Gottula, John Wesley.
발행, 배포, 간사 사항  
[Sl] : Cornell University , 2014
    발행, 배포, 간사 사항  
    Ann Arbor : ProQuest Dissertations & Theses , 2014
      형태사항  
      1 online resource(283 p)
      일반주기  
      Source: Dissertation Abstracts International, Volume: 75-10(E), Section: B.
      일반주기  
      Adviser: Marc Fuchs.
      학위논문주기  
      Thesis (Ph.D.)--Cornell University, 2014.
      이용제한주기  
      This item is not available from ProQuest Dissertations & Theses.
      요약 등 주기  
      요약Grapevine fanleaf virus (GFLV) causes fanleaf degeneration of grapevines. GFLV is present in most grape growing regions and has a bipartite RNA genome. The three goals of this research were to (1) advance our understanding of GFLV biology through studies on its satellite RNA, (2) engineer GFLV into a viral vector for grapevine functional genomics, and (3) discover a source of resistance to GFLV. This author addressed GFLV biology by studying the least understood aspect of GFLV: its satellite RNA. This author sequenced a new GFLV satellite RNA variant and compared it with other satellite RNA sequences. Forensic tracking of the satellite RNA revealed that it originated from an ancestral nepovirus and was likely introduced from Europe into North America. Greenhouse experiments showed that the GFLV satellite RNA has commensal relationship with its helper virus on a herbaceous host. This author engineered GFLV into a biotechnology tool by cloning infectious GFLV genomic cDNAs into binary vectors, with or without further modifications, and using Agrobacterium tumefaciens delivery to infect Nicotiana benthamiana. Tagging GFLV with fluorescent proteins allowed tracking of the virus within N. benthamiana and Chenopodium quinoa tissues, and imbuing GFLV with partial plant gene sequences proved the concept that endogenous plant genes can be knocked down. Infectivity of the viral vector depended on the identity of the GFLV strains or reassortants, on co-application of heterologous silencing suppressors and on lower ambient temperatures. No natural sources of resistance to GFLV exist within Vitis spp., but certain herbaceous hosts such as N. tabacum (tobacco) are resistant. This author used tobacco, its wild relatives, and hybrids between tobacco and wild relatives to evaluate the genomic and physiological basis of resistance. Resistance to GFLV in tobacco is governed by systemic recovery from virus infection that is additively inherited and likely multi-allelic. This research has opened new avenues to understand virus and plant evolution, and furnishes geneticists with a new tool to functionally characterize host genes. This dissertation also includes a history of pathogen-derived resistance with specific reference to plant virus resistance.
      주제명부출표목-일반주제명  
      주제명부출표목-일반주제명  
      주제명부출표목-일반주제명  
      주제명부출표목-일반주제명  
      주제명부출표목-일반주제명  
      부출표목-단체명  
      Cornell University Plant Pathology and Plant-Microbe Biology
        기본자료저록  
        Dissertation Abstracts International. 75-10B(E).
        기본자료저록  
        Dissertation Abstract International
        전자적 위치 및 접속  
         원문정보보기
        소장사항  
        20180515 2018

        MARC

         008180601s2014        us          esm        001c    eng
        ■001MOKWON01257759
        ■00520180518094451
        ■007cr
        ■020    ▼a9781321126143
        ■035    ▼a(MiAaPQ)AAI3583153
        ■040    ▼aMiAaPQ▼cMiAaPQ
        ■090    ▼a전자도서(박사논문)
        ■1001  ▼aGottula,  John  Wesley.
        ■24510▼aGrapevine  fanleaf  virus:  Biology,  biotechnology  and  resistance▼h[electronic  resource]▼cGottula,  John  Wesley.
        ■260    ▼a[Sl]▼bCornell  University▼c2014
        ■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2014
        ■300    ▼a1  online  resource(283  p)
        ■500    ▼aSource:  Dissertation  Abstracts  International,  Volume:  75-10(E),  Section:  B.
        ■500    ▼aAdviser:  Marc  Fuchs.
        ■5021  ▼aThesis  (Ph.D.)--Cornell  University,  2014.
        ■506    ▼aThis  item  is  not  available  from  ProQuest  Dissertations  &  Theses.
        ■520    ▼aGrapevine  fanleaf  virus  (GFLV)  causes  fanleaf  degeneration  of  grapevines.  GFLV  is  present  in  most  grape  growing  regions  and  has  a  bipartite  RNA  genome.  The  three  goals  of  this  research  were  to  (1)  advance  our  understanding  of  GFLV  biology  through  studies  on  its  satellite  RNA,  (2)  engineer  GFLV  into  a  viral  vector  for  grapevine  functional  genomics,  and  (3)  discover  a  source  of  resistance  to  GFLV.  This  author  addressed  GFLV  biology  by  studying  the  least  understood  aspect  of  GFLV:  its  satellite  RNA.  This  author  sequenced  a  new  GFLV  satellite  RNA  variant  and  compared  it  with  other  satellite  RNA  sequences.  Forensic  tracking  of  the  satellite  RNA  revealed  that  it  originated  from  an  ancestral  nepovirus  and  was  likely  introduced  from  Europe  into  North  America.  Greenhouse  experiments  showed  that  the  GFLV  satellite  RNA  has  commensal  relationship  with  its  helper  virus  on  a  herbaceous  host.  This  author  engineered  GFLV  into  a  biotechnology  tool  by  cloning  infectious  GFLV  genomic  cDNAs  into  binary  vectors,  with  or  without  further  modifications,  and  using  Agrobacterium  tumefaciens  delivery  to  infect    Nicotiana  benthamiana.  Tagging  GFLV  with  fluorescent  proteins  allowed  tracking  of  the  virus  within  N.  benthamiana  and    Chenopodium  quinoa  tissues,  and  imbuing  GFLV  with  partial  plant  gene  sequences  proved  the  concept  that  endogenous  plant  genes  can  be  knocked  down.  Infectivity  of  the  viral  vector  depended  on  the  identity  of  the  GFLV  strains  or  reassortants,  on  co-application  of  heterologous  silencing  suppressors  and  on  lower  ambient  temperatures.  No  natural  sources  of  resistance  to  GFLV  exist  within  Vitis  spp.,  but  certain  herbaceous  hosts  such  as    N.  tabacum  (tobacco)  are  resistant.  This  author  used  tobacco,  its  wild  relatives,  and  hybrids  between  tobacco  and  wild  relatives  to  evaluate  the  genomic  and  physiological  basis  of  resistance.  Resistance  to  GFLV  in  tobacco  is  governed  by  systemic  recovery  from  virus  infection  that  is  additively  inherited  and  likely  multi-allelic.  This  research  has  opened  new  avenues  to  understand  virus  and  plant  evolution,  and  furnishes  geneticists  with  a  new  tool  to  functionally  characterize  host  genes.  This  dissertation  also  includes  a  history  of  pathogen-derived  resistance  with  specific  reference  to  plant  virus  resistance.
        ■590    ▼aSchool  code:  0058.
        ■650  4▼aPlant  pathology
        ■650  4▼aBotany
        ■650  4▼aVirology
        ■650  4▼aEvolution  &  development
        ■650  4▼aPlant  sciences
        ■690    ▼a0480
        ■690    ▼a0309
        ■690    ▼a0720
        ■690    ▼a0412
        ■690    ▼a0479
        ■71020▼aCornell  University▼bPlant  Pathology  and  Plant-Microbe  Biology.
        ■7730  ▼tDissertation  Abstracts  International▼g75-10B(E).
        ■773    ▼tDissertation  Abstract  International
        ■790    ▼a0058
        ■791    ▼aPh.D.
        ■792    ▼a2014
        ■793    ▼aEnglish
        ■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T14824061▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.
        ■980    ▼a20180515▼f2018

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