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23 (0,098s) •

Project

Interspecific sperm competition on sturgeons and fertility of resulting hybrids (GP14-28375P)

Interspecific hybridization of sturgeon species might play very important role to be very serious in endangered population as sturgeons population are undoubtedly interspecific hybridization of sturgeons in respect to the m...

GL - Rybářství

  • 2014 - 2016
    • •
  • 2 400 tis. Kč
    • •
  • 2 400 tis. Kč
    • •
  • GA ČR
Project

Nuclear transfer in fish a chance for restoration of vanishing sturgeon species (GJ17-19714Y)

Sturgeons, family Acipenseridae, often called as “living fossils”, are one of the ancient families of bony fishes. IUCN classifies 16 out of 27 sturgeon species, generally the application has very low success rate in fish. In st...

ED - Fyziologie

  • 2017 - 2019
    • •
  • 6 403 tis. Kč
    • •
  • 6 403 tis. Kč
    • •
  • GA ČR
Project

Genome duplication in sturgeon evolution and impact on their biology (GA18-09323S)

The extant sturgeons (order Acipenseriformes), ancient evolutionary lineage allopolyploidization. During sturgeon evolution, at least three independent whole genome and sturgeons possess the highest ploidy diversity among a...

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

  • 2018 - 2021
    • •
  • 10 134 tis. Kč
    • •
  • 9 175 tis. Kč
    • •
  • GA ČR
Project

Induction of chimerism by transplantation of germ stem cells in critically endangered sturgeons as a tool of their conservation (GA13-26952S)

Most of sturgeons belong to endangered or critically endangered species due sturgeon germ stem cells (GSCs) such as primordial germ cells or subsequently oogonial transplantation. The main goal is to obtain gametes from sturgeon...

EB - Genetika a molekulární biologie

  • 2013 - 2017
    • •
  • 10 730 tis. Kč
    • •
  • 10 730 tis. Kč
    • •
  • GA ČR
Project

DNA damage repair system in developing sturgeon embryos (GJ19-11140Y)

stress response pathways which include DNA damage repair (DDR). Sturgeons to identify the main mechanisms of DDR in sturgeon embryos at different stages of this study will provide new information about mechanisms of DNA recovery in...

Biochemistry and molecular biology

  • 2019 - 2022
    • •
  • 4 278 tis. Kč
    • •
  • 4 278 tis. Kč
    • •
  • GA ČR
Project

Ploidy and hybrid diversity in sturgeons (Acipenseriformes) and its impacts on conservation and breeding (GA14-02940S)

Sturgeons, most probably of (paleo)allopolyploid origin, are of enormous ploidy diversity; species differing with ploidy levels hybridize and give hybrid progeny status analysis of redundant set of genes/genome in allopolyploid sturgeons...

GL - Rybářství

  • 2014 - 2016
    • •
  • 7 562 tis. Kč
    • •
  • 7 535 tis. Kč
    • •
  • GA ČR
Project

Biological and Ecological Aspects of Intensive Breeding of Sturgeon Fry Under Conditions of the Czech Republic (GA507/94/0345)

GL - Rybářství

  • 1994 - 1996
    • •
  • 655 tis. Kč
    • •
  • 1 031 tis. Kč
    • •
  • GA ČR
Project

Sturgeon as a unique model for evolutionary transition from holoblastic to meroblastic cleavage pattern, and for endoderm development in vertebrates (GA20-23836S)

cells contain yolk platelets, which are digested intracellularly. Sturgeon embryos, from our preliminary observations, sturgeon embryos represent a unique transition......

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

  • 2020 - 2022
    • •
  • 8 220 tis. Kč
    • •
  • 8 220 tis. Kč
    • •
  • GA ČR
Project

Fertilization process in sturgeon, function of acrosome and prevention of polyspermy (GPP502/10/P426)

Gametes of sturgeon fishes differ from those of teleost by the multiple micropyles in egg and presence of acrosome in spermatozoon, which are invested with posterolateral projections (PPs) and contain some enzymes similar to those of mammali...

GL - Rybářství

  • 2010 - 2012
    • •
  • 1 212 tis. Kč
    • •
  • 1 212 tis. Kč
    • •
  • GA ČR
Project

Transferrin in the seminal plasma of carp and some sturgeons can help us to identify the role of some proteins in freezing fish sperm (GJ16-02407Y)

Transferrin (Tf) protein is present in carp and sturgeon seminal plasma, it may play an important role in the protection of spermatozoa during cryopreservation through binding with the spermatozoa membrane proteins. To explore this hypothesi...

GL - Rybářství

  • 2016 - 2020
    • •
  • 5 937 tis. Kč
    • •
  • 5 937 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 23