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Unraveling the Mechanisms Involved in the Drosophila melanogaster Bam Hypomorph Fertility Rescue by Wolbachia pipientis
Unraveling the Mechanisms Involved in the Drosophila melanogaster Bam Hypomorph Fertility ...
Unraveling the Mechanisms Involved in the Drosophila melanogaster Bam Hypomorph Fertility Rescue by Wolbachia pipientis

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20250211150955
ISBN  
9798382841137
DDC  
575
저자명  
Kagemann, Catherine Herminia.
서명/저자  
Unraveling the Mechanisms Involved in the Drosophila melanogaster Bam Hypomorph Fertility Rescue by Wolbachia pipientis
발행사항  
[Sl] : Cornell University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
144 p
주기사항  
Source: Dissertations Abstracts International, Volume: 85-12, Section: B.
주기사항  
Advisor: Aquadro, Charles.
학위논문주기  
Thesis (Ph.D.)--Cornell University, 2024.
초록/해제  
요약Bag of marbles (Bam) is a protein known to play a role in germline stem cell (GSC) daughter cell differentiation and self-renewal in female Drosophila melanogaster. Bam interacts with a maternally inherited endosymbiont, Wolbachia pipientis. W. pipientis are known to infect ~40-75% of insects and manipulate the reproduction of their hosts. W. pipientis infection of female bam hypomorphs rescues the mutant fertility phenotype when otherwise the flies would be partially to completely sterile. We aimed to investigate the mechanisms through which W. pipientis rescues the fertility phenotype associated with the bam hypomorph. We determined that W. pipientis in the ovaries and outside of the ovaries correlates with increases in bam hypomorph fertility. Our RNA-seq analysis of the bam hypomorph showed that W. pipientis does not influence bam transcription but influences transcription of bam's genetic and physical interactors. We functionally confirmed the involvement of candidate genes in the bam hypomorph fertility rescue by W. pipientis using genes identified from our RNA-seq analysis and literature. We identified that ubiquitin-associated genes, Ubi-p63E, CycA, otu, and the testis specific transcript, phf7 have novel interactions with W. pipientis and the knockdown of these genes in the bam hypomorph rescued the mutant fertility phenotype. Together, we find that W. pipientis likely modulates the D. melanogaster hosts ubiquitin processes and restores sexual identity to the female germline to rescue bam hypomorph fertility.
일반주제명  
Genetics
일반주제명  
Microbiology
일반주제명  
Cellular biology
일반주제명  
Biology
키워드  
Bag of marbles
키워드  
Oogenesis
키워드  
Testis specific transcript
키워드  
Ubiquitin
키워드  
Wolbachia pipientis
기타저자  
Cornell University Genetics Genomics and Development
기본자료저록  
Dissertations Abstracts International. 85-12B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■020    ▼a9798382841137
■035    ▼a(MiAaPQ)AAI30993532
■040    ▼aMiAaPQ▼cMiAaPQ
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■1001  ▼aKagemann,  Catherine  Herminia.▼0(orcid)0000-0001-8244-8156
■24510▼aUnraveling  the  Mechanisms  Involved  in  the  Drosophila  melanogaster  Bam  Hypomorph  Fertility  Rescue  by  Wolbachia  pipientis
■260    ▼a[Sl]▼bCornell  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a144  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  85-12,  Section:  B.
■500    ▼aAdvisor:  Aquadro,  Charles.
■5021  ▼aThesis  (Ph.D.)--Cornell  University,  2024.
■520    ▼aBag  of  marbles  (Bam)  is  a  protein  known  to  play  a  role  in  germline  stem  cell  (GSC)  daughter  cell  differentiation  and  self-renewal  in  female  Drosophila  melanogaster.  Bam  interacts  with  a  maternally  inherited  endosymbiont,  Wolbachia  pipientis.  W.  pipientis  are  known  to  infect  ~40-75%  of  insects  and  manipulate  the  reproduction  of  their  hosts.  W.  pipientis  infection  of  female  bam  hypomorphs  rescues  the  mutant  fertility  phenotype  when  otherwise  the  flies  would  be  partially  to  completely  sterile.  We  aimed  to  investigate  the  mechanisms  through  which  W.  pipientis  rescues  the  fertility  phenotype  associated  with  the  bam  hypomorph.  We  determined  that  W.  pipientis  in  the  ovaries  and  outside  of  the  ovaries  correlates  with  increases  in  bam  hypomorph  fertility.  Our  RNA-seq  analysis  of  the  bam  hypomorph  showed  that  W.  pipientis  does  not  influence  bam  transcription  but  influences  transcription  of  bam's  genetic  and  physical  interactors.  We  functionally  confirmed  the  involvement  of  candidate  genes  in  the  bam  hypomorph  fertility  rescue  by  W.  pipientis  using  genes  identified  from  our  RNA-seq  analysis  and  literature.  We  identified  that  ubiquitin-associated  genes,  Ubi-p63E,  CycA,  otu,  and  the  testis  specific  transcript,  phf7  have  novel  interactions  with  W.  pipientis  and  the  knockdown  of  these  genes  in  the  bam  hypomorph  rescued  the  mutant  fertility  phenotype.  Together,  we  find  that  W.  pipientis  likely  modulates  the  D.  melanogaster  hosts  ubiquitin  processes  and  restores  sexual  identity  to  the  female  germline  to  rescue  bam  hypomorph  fertility.
■590    ▼aSchool  code:  0058.
■650  4▼aGenetics
■650  4▼aMicrobiology
■650  4▼aCellular  biology
■650  4▼aBiology
■653    ▼aBag  of  marbles
■653    ▼aOogenesis
■653    ▼aTestis  specific  transcript
■653    ▼aUbiquitin
■653    ▼aWolbachia  pipientis
■690    ▼a0369
■690    ▼a0379
■690    ▼a0410
■690    ▼a0306
■71020▼aCornell  University▼bGenetics,  Genomics  and  Development.
■7730  ▼tDissertations  Abstracts  International▼g85-12B.
■790    ▼a0058
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17160312▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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