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The Circular RNA Landscape of SARS-CoV-2 and Its Contributions to Pathogenesis and Cellular Resilience
The Circular RNA Landscape of SARS-CoV-2 and Its Contributions to Pathogenesis and Cellula...
The Circular RNA Landscape of SARS-CoV-2 and Its Contributions to Pathogenesis and Cellular Resilience

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202105606
ISBN  
9798265426895
DDC  
572.57
저자명  
Grossi-Soyster, Elysse N.
서명/저자  
The Circular RNA Landscape of SARS-CoV-2 and Its Contributions to Pathogenesis and Cellular Resilience
발행사항  
[Sl] : Stanford University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
117 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: A.
주기사항  
Advisor: Sarnow, Peter;Schneider, David.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2025.
초록/해제  
요약Coronaviridae constitute a distinct family of enveloped, single-stranded RNA (ssRNA) viruses that vary broadly in their disease repertoire, from asymptomatic to benign symptoms that cause the "common cold" or severe disease, and host range, restricted to a specific animal species or capable of interspecies transmission. Viruses with ssRNA genomes are notorious for utilizing rapid, often error-prone replication that can result in accelerated viral evolution and the emergence of new viral strains and subvariants. In late 2019, significant evolutionary events led to the emergence of SARS-CoV-2, a distinct coronavirus with high similarity to SARS-CoV, the virus that causes Severe Acute Respiratory Syndrome (SARS) SARS-CoV-2 displayed higher transmissibility and a wide range of symptoms, ranging from asymptomatic cases to severe respiratory damage and pneumonia, which are now collectively described as Coronavirus Disease 2019, or "COVID-19" (since shortened to "COVID"). The rapid replication and heightened transmissibility of SARS-CoV-2 has led to the accumulation of mutations along the genome and the emergence of new SARS-CoV-2 variants7 . Despite the global mobilization to develop vaccines and anti-viral therapies targeting SARS-CoV-2 acute infection, the estimated global death toll of SARS-CoV-2 since its emergence in 2019 is staggering - over 7 million individuals globally, with more than 1.2 million of those reported in the United States.Thanks to previous work on SARS-CoV and other coronaviruses and the collective action of scientists around the world, the interplay between SARS-CoV-2 and human cells during infection is now fairly well characterized, but many aspects of the viral lifecycle remain elusive. As with all scientific inquiry, we are limited by both our technical ability to detect specific phenomena, and by our ability to imagine what we may not yet be able to detect. RNA molecules are often described as a temporary intermediate in the central dogma, wherein DNA is transcribed into RNA in the nucleus, and that RNA is processed, packaged, and transported to the cytoplasm to be translated into proteins. The central dogma emphasizes the protein as the ultimate,functional outcome, yet there is an entire landscape of RNA molecules, such as microRNAs, small interfering RNAs (siRNAs) and long non-coding RNAs (lncRNAs), that are rarely translated but play significant roles in functional pathways. A landmark study in 2012 by Salzman et al. described the endogenous expression of circular RNA molecules (circRNAs) in human tissues9 . Mammalian circRNAs are expressed in a tissue-specific manner by backsplicing mechanisms during RNA processing in the nucleus9 . Depending on the nucleotide sequence contained in each circRNA, they have the potential to interact with and influence many molecules in the cellular environment that modulate metabolism, cell cycle control, transcription and translation, and immune response10,11. Expression of endogenous circRNAs can be altered by viral infections, and some viruses have been shown to express their own circRNA (virus-derived circRNAs, or VcircRNAs)12, illustrating that such functional RNA species are not unique to mammalian viral hosts and are putative components in pathogenic landscapes. The persistent nature of circRNAs and their potential utility during viral infections may shape the way we understand virus-host interactions on a more granular level, and may alter the design of vaccines and therapeutics in the future.
일반주제명  
Adenosine
일반주제명  
Infections
일반주제명  
RNA polymerase
일반주제명  
Phylogenetics
일반주제명  
Ribonucleic acid--RNA
일반주제명  
Severe acute respiratory syndrome coronavirus 2
일반주제명  
Epidemiology
일반주제명  
Genomes
일반주제명  
Autophagy
일반주제명  
Cell cycle
일반주제명  
COVID-19
일반주제명  
Pandemics
일반주제명  
Design
일반주제명  
Viruses
일반주제명  
Pathogenesis
일반주제명  
Zoonoses
일반주제명  
Hepatitis
일반주제명  
Disease transmission
일반주제명  
Animal diseases
일반주제명  
Biochemistry
일반주제명  
Cellular biology
일반주제명  
Genetics
일반주제명  
Pathology
일반주제명  
Virology
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 87-05A.
전자적 위치 및 접속  
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MARC

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■1001  ▼aGrossi-Soyster,  Elysse  N.
■24510▼aThe  Circular  RNA  Landscape  of  SARS-CoV-2  and  Its  Contributions  to  Pathogenesis  and  Cellular  Resilience
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■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-05,  Section:  A.
■500    ▼aAdvisor:  Sarnow,  Peter;Schneider,  David.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2025.
■520    ▼aCoronaviridae  constitute  a  distinct  family  of  enveloped,  single-stranded  RNA  (ssRNA)  viruses  that  vary  broadly  in  their  disease  repertoire,  from  asymptomatic  to  benign  symptoms  that  cause  the  "common  cold"  or  severe  disease,  and  host  range,  restricted  to  a  specific  animal  species  or  capable  of  interspecies  transmission.  Viruses  with  ssRNA  genomes  are  notorious  for  utilizing  rapid,  often  error-prone  replication  that  can  result  in  accelerated  viral  evolution  and  the  emergence  of  new  viral  strains  and  subvariants.  In  late  2019,  significant  evolutionary  events  led  to  the  emergence  of  SARS-CoV-2,  a  distinct  coronavirus  with  high  similarity  to  SARS-CoV,  the  virus  that  causes  Severe  Acute  Respiratory  Syndrome  (SARS)  SARS-CoV-2  displayed  higher  transmissibility  and  a  wide  range  of  symptoms,  ranging  from  asymptomatic  cases  to  severe  respiratory  damage  and  pneumonia,  which  are  now  collectively  described  as  Coronavirus  Disease  2019,  or  "COVID-19"  (since  shortened  to  "COVID").  The  rapid  replication  and  heightened  transmissibility  of  SARS-CoV-2  has  led  to  the  accumulation  of  mutations  along  the  genome  and  the  emergence  of  new  SARS-CoV-2  variants7  .  Despite  the  global  mobilization  to  develop  vaccines  and  anti-viral  therapies  targeting  SARS-CoV-2  acute  infection,  the  estimated  global  death  toll  of  SARS-CoV-2  since  its  emergence  in  2019  is  staggering  -  over  7  million  individuals  globally,  with  more  than  1.2  million  of  those  reported  in  the  United  States.Thanks  to  previous  work  on  SARS-CoV  and  other  coronaviruses  and  the  collective  action  of  scientists  around  the  world,  the  interplay  between  SARS-CoV-2  and  human  cells  during  infection  is  now  fairly  well  characterized,  but  many  aspects  of  the  viral  lifecycle  remain  elusive.  As  with  all  scientific  inquiry,  we  are  limited  by  both  our  technical  ability  to  detect  specific  phenomena,  and  by  our  ability  to  imagine  what  we  may  not  yet  be  able  to  detect.  RNA  molecules  are  often  described  as  a  temporary  intermediate  in  the  central  dogma,  wherein  DNA  is  transcribed  into  RNA  in  the  nucleus,  and  that  RNA  is  processed,  packaged,  and  transported  to  the  cytoplasm  to  be  translated  into  proteins.  The  central  dogma  emphasizes  the  protein  as  the  ultimate,functional  outcome,  yet  there  is  an  entire  landscape  of  RNA  molecules,  such  as  microRNAs,  small  interfering  RNAs  (siRNAs)  and  long  non-coding  RNAs  (lncRNAs),  that  are  rarely  translated  but  play  significant  roles  in  functional  pathways.  A  landmark  study  in  2012  by  Salzman  et  al.  described  the  endogenous  expression  of  circular  RNA  molecules  (circRNAs)  in  human  tissues9  .  Mammalian  circRNAs  are  expressed  in  a  tissue-specific  manner  by  backsplicing  mechanisms  during  RNA  processing  in  the  nucleus9  .  Depending  on  the  nucleotide  sequence  contained  in  each  circRNA,  they  have  the  potential  to  interact  with  and  influence  many  molecules  in  the  cellular  environment  that  modulate  metabolism,  cell  cycle  control,  transcription  and  translation,  and  immune  response10,11.  Expression  of  endogenous  circRNAs  can  be  altered  by  viral  infections,  and  some  viruses  have  been  shown  to  express  their  own  circRNA  (virus-derived  circRNAs,  or  VcircRNAs)12,  illustrating  that  such  functional  RNA  species  are  not  unique  to  mammalian  viral  hosts  and  are  putative  components  in  pathogenic  landscapes.  The  persistent  nature  of  circRNAs  and  their  potential  utility  during  viral  infections  may  shape  the  way  we  understand  virus-host  interactions  on  a  more  granular  level,  and  may  alter  the  design  of  vaccines  and  therapeutics  in  the  future.
■590    ▼aSchool  code:  0212.
■650  4▼aAdenosine
■650  4▼aInfections
■650  4▼aRNA  polymerase
■650  4▼aPhylogenetics
■650  4▼aRibonucleic  acid--RNA
■650  4▼aSevere  acute  respiratory  syndrome  coronavirus  2
■650  4▼aEpidemiology
■650  4▼aGenomes
■650  4▼aAutophagy
■650  4▼aCell  cycle
■650  4▼aCOVID-19
■650  4▼aPandemics
■650  4▼aDesign
■650  4▼aViruses
■650  4▼aPathogenesis
■650  4▼aZoonoses
■650  4▼aHepatitis
■650  4▼aDisease  transmission
■650  4▼aAnimal  diseases
■650  4▼aBiochemistry
■650  4▼aCellular  biology
■650  4▼aGenetics
■650  4▼aPathology
■650  4▼aVirology
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■690    ▼a0720
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g87-05A.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360693▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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