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4 801 (0,183s) •

Project

Signalling during Pollen-Pistil interaction preceding fertilization; the role of short- and long-distance secreted signals of fertilization (GA15-22720S)

provided evidence that pollen tube growth through the pistil endures diverse signaling depends on precise signaling between the growing pollen tube and the female gametophyte conveyed by secreted ligand molecules. We have ...

ED - Fyziologie

  • 2015 - 2017
    • •
  • 7 968 tis. Kč
    • •
  • 7 968 tis. Kč
    • •
  • GA ČR
Project

The role of Arabidopsis Lorelei-like GPI anchored proteins (LLGs) in pollen tube reception by the female gametophyte (LTAUSA18115)

After pollination, pollen grain germinates into the pollen tube which grows through pistil tissues toward the ovule encasing the female gametophyte. This requires fast and oriented pollen tube growth and the activi...

Plant sciences, botany

  • 2019 - 2022
    • •
  • 6 801 tis. Kč
    • •
  • 6 801 tis. Kč
    • •
  • MŠMT
Project

Metabolome dynamics in growing pollen tubes following their interaction with female gametes (7AMB16AT036)

metabolome and its dynamics during pollen germination and, especially, during the explosive pollen tube growth. Moreover, we plan to describe the differential activity of individual enzymes and metabolic pathways as a consequence o...

EB - Genetika a molekulární biologie

  • 2016 - 2017
    • •
  • 94 tis. Kč
    • •
  • 94 tis. Kč
    • •
  • MŠMT
Project

Cooperation of bZIP transcription factors in developing male gametophyte. (LD11018)

The main objective of this proposal project is to identify interacting partners of individual bZIP proteins that are expressed in pollen and how is this network changed during pollen development. This knowledge could bring ...

ED - Fyziologie

  • 2011 - 2013
    • •
  • 1 237 tis. Kč
    • •
  • 1 208 tis. Kč
    • •
  • MŠMT
Project

The genetic study of supernumerary spikelets (SS) and three pistils (TP) per one floret in wheat (Triticum aestivum L.) (ME10063)

other.The three pistils TP) in a floret is a new mutation where three kernels per floret...

EB - Genetika a molekulární biologie

  • 2010 - 2012
    • •
  • 2 388 tis. Kč
    • •
  • 2 388 tis. Kč
    • •
  • MŠMT
Project

Mechanisms of parasitic RNA propagation and elimination in male germline studied on economically important viroid species. (GC18-10515J)

of viroids within pollen but it can be assumed that viroid RNA interacts specifically of the elimination of parasitic nucleic acids from pollen. Some viroids, parasitic single-stranded circular RNAs, adapted to escape such...

Genetics and heredity (medical genetics to be 3)

  • 2018 - 2021
    • •
  • 11 036 tis. Kč
    • •
  • 10 556 tis. Kč
    • •
  • GA ČR
Project

Long-term spatiotemporal dynamics in a plant-pollinator community and consequences for pollen transfer in a changing world (GN25-17193O)

Plant-pollinator interactions are crucial for the reproduction of the majority of plant species. On the community level, plants usually interact with multiple their pollinators are in direct threat of heterospecific pollen ...

Ecology

  • 2025 - 2028
    • •
  • 5 139 tis. Kč
    • •
  • 5 139 tis. Kč
    • •
  • GA ČR
Project

Regulation of pollen tube growth by the exocyst vesicle-tethering complex functions of multiple isoforms of the EXO70 exocyst subunit (GA15-24711S)

methods, we will test possible interactions of pollen EXO70 isoforms with Rop GTPases that the proper function of the plant exocyst underlies plant morphogenesis, including pollen tube growth. Pollen germination d...

EB - Genetika a molekulární biologie

  • 2015 - 2019
    • •
  • 4 254 tis. Kč
    • •
  • 4 254 tis. Kč
    • •
  • GA ČR
Project

Integrative analysis of the role of bZIP transcription factors in pollen maturation (GA522/09/0858)

of bZIP complexesin late pollen development, 3) to construct an interaction map of male gametophyte, pollen grain. We have a very limited understanding suggest the existence of specific mechanisms of regulation of late

EF - Botanika

  • 2009 - 2012
    • •
  • 5 057 tis. Kč
    • •
  • 5 057 tis. Kč
    • •
  • GA ČR
Project

Role of cytoskeleton in dynamics of ntp303 mRNA distribution, storage and activation in the process of tobacco pollen maturation and tube growth (IAA5038207)

Tobacco pollen specific ntp303 gene represents a natural model of translational regulation of gene expression. Pollen tube growth is dependent on intensive synthesis of the pollen tube wall glycoprotein, p69, and correspond...

EB - Genetika a molekulární biologie

  • 2002 - 2005
    • •
  • 10 105 tis. Kč
    • •
  • 3 254 tis. Kč
    • •
  • AV ČR
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