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Pollination and Flower Structure02:40

Pollination and Flower Structure

Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.
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The Phragmoplast01:59

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Related Experiment Video

Updated: Jun 9, 2026

Live Imaging of Arabidopsis Pollen Tube Reception and Double Fertilization Using the Semi-In Vitro Cum Septum Method
06:45

Live Imaging of Arabidopsis Pollen Tube Reception and Double Fertilization Using the Semi-In Vitro Cum Septum Method

Published on: February 24, 2023

Pollen tube development.

Mark A Johnson1, Benedikt Kost

  • 1Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI, USA.

Methods in Molecular Biology (Clifton, N.J.)
|August 25, 2010
PubMed
Summary
This summary is machine-generated.

Researchers identified new factors for pollen tube growth by studying Arabidopsis mutants and analyzing pollen tube proteins in tobacco. This work advances understanding of directional cell expansion in plants.

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Evaluation of Fertilization State by Tracing Sperm Nuclear Morphology in Arabidopsis Double Fertilization
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06:45

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Published on: August 29, 2019

Area of Science:

  • Plant Biology
  • Cell Biology
  • Reproductive Biology

Background:

  • Pollen tubes exhibit rapid, directional growth essential for plant fertilization.
  • Understanding the mechanisms of polarized cell expansion is crucial in plant development.

Purpose of the Study:

  • To identify novel genetic factors regulating polarized pollen tube growth.
  • To functionally characterize key proteins involved in pollen tube development.

Main Methods:

  • Isolation and analysis of Arabidopsis mutants with impaired pollen tube growth.
  • Transient transformation and microscopic analysis of cultured tobacco pollen tubes.

Main Results:

  • Development of methods for identifying novel genes controlling pollen tube polarity.
  • Establishment of techniques for functional analysis of pollen tube proteins.

Conclusions:

  • The described methods facilitate the discovery of essential factors for directional cell growth.
  • This research provides a framework for investigating plant reproductive cell biology.