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Mind the Gap: A Spatio-Temporal Population Genomics Analysis of Bat Stars Along the North Pacific Coastline and the Broader Context of Genetic and Spatial Discontinuities in Marine Species
Mind the Gap: A Spatio-Temporal Population Genomics Analysis of Bat Stars Along the North ...
Mind the Gap: A Spatio-Temporal Population Genomics Analysis of Bat Stars Along the North Pacific Coastline and the Broader Context of Genetic and Spatial Discontinuities in Marine Species

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202104856
ISBN  
9798288818646
DDC  
551.46
저자명  
Pagowski, Veronica.
서명/저자  
Mind the Gap: A Spatio-Temporal Population Genomics Analysis of Bat Stars Along the North Pacific Coastline and the Broader Context of Genetic and Spatial Discontinuities in Marine Species
발행사항  
[Sl] : Stanford University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
222 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-02, Section: B.
주기사항  
Includes supplementary digital materials.
주기사항  
Advisor: Micheli, Fiorenza.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2025.
초록/해제  
요약Larval life stages are ubiquitous at sea. Yet, we understand quite little about this life stage for many species. This life stage, often small and squishy, is challenging to study, but can last many months and has incredibly important ecological implications. This dissertation focuses on this life history stage, using the bat star Patiria miniata as a model to understand different aspects of larval biology. This dissertation spans three chapters, from a deep dive into larval nervous systems to a population genomics study on this species, and a review that provided context for this work. In chapter one, I show that the larval nervous system of P. miniata is composed of distributed, nonuniform components that have expanding and contracting territories throughout the P. miniata larval stage, when complex morphological changes occur, prior to settlement and metamorphosis. In chapters two and three, I investigate the population genomics of this species - first examining a few unique features of this species' range and genetics in a review. P. miniata encompasses an extensive range gap and genetic disjunction, at distinct locations, within its range along the North Pacific coastline. Chapter two investigates how the scientific community studies coastal disjunctions, both range gaps and genetic divides. It also quantifies the mechanisms that we typically attribute to this phenomenon in the context of coastal marine species. In chapter three, I show that meaningful genetic differences exist across the extensive range gap in this species, but that these are not detectable, or barely detectable, when looking at measures of population structure alone. I also find a genomic region that differs based on sex in this species and describe year-to-year variability in the genomics of this species. This chapter provides an illustrative example of a species in which meaningful genomic differences exist in the absence of strong genetic structure.  Cumulatively, these chapters add to our understanding of larval biology, using a set of descriptive molecular studies, along with population genomic approaches that give us a better idea of how dispersal shapes genetic boundaries and divergence over long time periods. 
일반주제명  
Ocean currents
일반주제명  
Antibodies
일반주제명  
Detergents
일반주제명  
Oceanography
일반주제명  
Genetics
일반주제명  
Hybridization
일반주제명  
Biology
일반주제명  
Genomics
일반주제명  
Neurotransmitters
일반주제명  
Stomach
일반주제명  
Coasts
일반주제명  
Aldehydes
일반주제명  
Marine ecology
일반주제명  
Migration
일반주제명  
Regions
일반주제명  
Limnology
일반주제명  
Invertebrates
일반주제명  
Authorship
일반주제명  
Nervous system
일반주제명  
Immunohistochemistry
키워드  
Larval nervous systems
키워드  
P. miniata
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 87-02B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

 008260126s2025        us                              c    eng  d
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■035    ▼a(MiAaPQ)Stanfordxc405pk3022
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a551.46
■1001  ▼aPagowski,  Veronica.
■24510▼aMind  the  Gap:  A  Spatio-Temporal  Population  Genomics  Analysis  of  Bat  Stars  Along  the  North  Pacific  Coastline  and  the  Broader  Context  of  Genetic  and  Spatial  Discontinuities  in  Marine  Species
■260    ▼a[Sl]▼bStanford  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a222  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-02,  Section:  B.
■500    ▼aIncludes  supplementary  digital  materials.
■500    ▼aAdvisor:  Micheli,  Fiorenza.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2025.
■520    ▼aLarval  life  stages  are  ubiquitous  at  sea.  Yet,  we  understand  quite  little  about  this  life  stage  for  many  species.  This  life  stage,  often  small  and  squishy,  is  challenging  to  study,  but  can  last  many  months  and  has  incredibly  important  ecological  implications.  This  dissertation  focuses  on  this  life  history  stage,  using  the  bat  star  Patiria  miniata  as  a  model  to  understand  different  aspects  of  larval  biology.  This  dissertation  spans  three  chapters,  from  a  deep  dive  into  larval  nervous  systems  to  a  population  genomics  study  on  this  species,  and  a  review  that  provided  context  for  this  work. In  chapter  one,  I  show  that  the  larval  nervous  system  of  P.  miniata  is  composed  of  distributed,  nonuniform  components  that  have  expanding  and  contracting  territories  throughout  the  P.  miniata  larval  stage,  when  complex  morphological  changes  occur,  prior  to  settlement  and  metamorphosis.  In  chapters  two  and  three,  I  investigate  the  population  genomics  of  this  species  -  first  examining  a  few  unique  features  of  this  species'  range  and  genetics  in  a  review.  P.  miniata  encompasses  an  extensive  range  gap  and  genetic  disjunction,  at  distinct  locations,  within  its  range  along  the  North  Pacific  coastline.  Chapter  two  investigates  how  the  scientific  community  studies  coastal  disjunctions,  both  range  gaps  and  genetic  divides.  It  also  quantifies  the  mechanisms  that  we  typically  attribute  to  this  phenomenon  in  the  context  of  coastal  marine  species.  In  chapter  three,  I  show  that  meaningful  genetic  differences  exist  across  the  extensive  range  gap  in  this  species,  but  that  these  are  not  detectable,  or  barely  detectable,  when  looking  at  measures  of  population  structure  alone.  I  also  find  a  genomic  region  that  differs  based  on  sex  in  this  species  and  describe  year-to-year  variability  in  the  genomics  of  this  species.  This  chapter provides  an  illustrative  example  of  a  species  in  which  meaningful  genomic  differences  exist  in  the  absence  of  strong  genetic  structure.  Cumulatively,  these  chapters  add  to  our  understanding  of  larval  biology,  using  a  set  of  descriptive  molecular  studies,  along  with  population  genomic  approaches  that  give  us  a  better  idea  of  how  dispersal  shapes  genetic  boundaries  and  divergence  over  long  time  periods. 
■590    ▼aSchool  code:  0212.
■650  4▼aOcean  currents
■650  4▼aAntibodies
■650  4▼aDetergents
■650  4▼aOceanography
■650  4▼aGenetics
■650  4▼aHybridization
■650  4▼aBiology
■650  4▼aGenomics
■650  4▼aNeurotransmitters
■650  4▼aStomach
■650  4▼aCoasts
■650  4▼aAldehydes
■650  4▼aMarine  ecology
■650  4▼aMigration
■650  4▼aRegions
■650  4▼aLimnology
■650  4▼aInvertebrates
■650  4▼aAuthorship
■650  4▼aNervous  system
■650  4▼aImmunohistochemistry
■653    ▼aLarval  nervous  systems
■653    ▼aP.  miniata
■690    ▼a0793
■690    ▼a0306
■690    ▼a0369
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g87-02B.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17359258▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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