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5 260 (0,097s) •

Project

Why are species separated? Barriers to gene flow between species of the Triturus cristatus superspecies (GA206/01/0695)

What are the mechanisms causing reproductive isolation? There is a long-term debate on contribution of evolutionary factors preventing gene flow between diverging populations. Here, we present an unique model of speciation involving...

EG - Zoologie

  • 2001 - 2003
    • •
  • 3 928 tis. Kč
    • •
  • 3 208 tis. Kč
    • •
  • GA ČR
Project

Genome duplication as an imperfect barrier in speciation? Evolutionary drivers and consequences of inter-ploidy introgression in natural populations (GA20-22783S)

that polyploidy poses an instant barrier to gene flow between diploid and its polyploid derivative. Our genomic survey, however, demonstrated rampant inter-ploidy gene flow speciation-with-gene-<...

Plant sciences, botany

  • 2020 - 2022
    • •
  • 9 787 tis. Kč
    • •
  • 9 787 tis. Kč
    • •
  • GA ČR
Project

Study of biological barriers to gene flow in flycatchers (GA206/03/0215)

, the data for study of gene flow, introgressive hybridization inThe evidence for sexually selected character displacement and reinforcement is scarce. Postzygotic barriers have been little studied in birds and almost nothi...

EG - Zoologie

  • 2003 - 2005
    • •
  • 1 436 tis. Kč
    • •
  • 986 tis. Kč
    • •
  • GA ČR
Project

Barriers to gene flow for different parts of the mouse genome an analysis of a house mouse hybrid zone with microsatellites, SINEs, and SNPs (GA206/03/0205)

. domesticus. It is focused on following questions: How strong a barrier is the hybrid zone forthe gene flow between the two taxa, acting on different parts of the mouse genome the genome which are supposed to play a role i...

EB - Genetika a molekulární biologie

  • 2003 - 2005
    • •
  • 5 293 tis. Kč
    • •
  • 2 616 tis. Kč
    • •
  • GA ČR
Project

Genomic dissection of barriers to gene flow in hybridising fire-bellied toads (GA16-26714S)

will test theoretical predictions about efficient gene flow barriers and delineateThe process of speciation involves the accumulation of genetic factors that reduce gene flow between differentiated popula...

EG - Zoologie

  • 2016 - 2020
    • •
  • 6 080 tis. Kč
    • •
  • 6 080 tis. Kč
    • •
  • GA ČR
Project

Postzygotic barriers of gene flow in flycatchers (GA206/07/0316)

The postzygotic barriers have been little studied in birds including causes creates a unique opportunity to study the mechanisms of postzygotic barriers. In mixed alkaline phosphatase activity combined with radio-telemetry and searc...

EG - Zoologie

  • 2007 - 2009
    • •
  • 996 tis. Kč
    • •
  • 996 tis. Kč
    • •
  • GA ČR
Project

Hybrid sterility and asexuality - two sides of one coin? On the interconnection between asexuality, polyploidy, hybridization and speciation (GA19-21552S)

prevents the gene flow, but tends to arise earlier during species diversification than other species by pre- and postzygotic barriers, such as hybrid sterility barrier during speciation. However, hybrid asexualit...

Biology (theoretical, mathematical, thermal, cryobiology, biological rhythm), Evolutionary biology

  • 2019 - 2022
    • •
  • 7 595 tis. Kč
    • •
  • 7 458 tis. Kč
    • •
  • GA ČR
Project

Behavioural genetic study of fitness components in a mammal hybrid zone (IAA6093201)

of speciation.Natural laboratories to study barriers against gene flow are hybrid zones, where selection, are suitable candidates for mapping genes preventing gene flow between two sterility-1

EB - Genetika a molekulární biologie

  • 2002 - 2004
    • •
  • 3 284 tis. Kč
    • •
  • 2 376 tis. Kč
    • •
  • AV ČR
Project

Where does a species start and end? Speciation in a ring studied in the era of phylogenomics with application to European spined loaches (GPP506/12/P857)

to distinct species and whether divergence with ongoing gene flow is possible or evenThe leading question in speciation studies is whether species can arise in the absence of geographic barriers. An excellent opportunity t...

EG - Zoologie

  • 2012 - 2014
    • •
  • 2 668 tis. Kč
    • •
  • 2 668 tis. Kč
    • •
  • GA ČR
Project

The role of symbionts and pollinating insects in plant speciation along altitudinal gradients (GA15-24571S)

these gradients can lead to local adaptation even in the face of gene flow. Maladaptation and barriers to gene flow can act in concert to drive population level diversification us to investigate the contr...

EH - Ekologie – společenstva

  • 2015 - 2017
    • •
  • 8 873 tis. Kč
    • •
  • 8 873 tis. Kč
    • •
  • GA ČR
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