They found that only morning glory seeds germinated after being exposed to light roughly 6 million times the dose typically used to sterilize drinking water, conditions that killed the much smaller tobacco and A.
thaliana seeds.
Not exact matches
The research began a decade ago, when astronauts placed about 2000
seeds from tobacco plants and a flowering plant known as Arabidopsis
thaliana on the outside of the International Space Station.
In the plant - model Arabidopsis
thaliana, the state of dormancy is maintained by the endosperm, a single cell layer within the
seed coat surrounding the embryo, which synthesizes and continuously releases ABA towards the embryo.
Seedling Growth - 2 will germinate and grow
seeds of the Arabidopsis
thaliana plant, a member of the mustard family, into tiny seedlings in space.
The team of Luis Lopez - Molina, professor at the Department of Botany and Plant Biology of UNIGE's Faculty of Science, Switzerland, has been interested for a long time in the mechanisms controlling germination, arguably the most critical decision in the life of a plant: «We have discovered that the genes involved in the synthesis of cutin, a waterproof substance, are important for the maintenance of dormancy in
seeds of Arabidopsis
thaliana, a small plant widely used as a model organism to study plant biology.
The APX4 locus regulates
seed vigor and seedling growth in Arabidopsis
thaliana.
This work involves molecular - genetic studies in the model flowering plant Arabidopsis
thaliana and molecular, biophysical and bioinformatic studies in taxa chosen for their key positions in
seed plant phylogeny.
Reduced activity of Arabidopsis
thaliana HMT2, a methionine biosynthetic enzyme, increases
seed methionine content