Arabidopsis Thaliana Collection

Roots of Thale cress plant, Arabidopsis thaliana
Root genetics research. Roots of the Thale cress plant, Arabidopsis thaliana, growing in a culture medium. The roots have fine root hairs growing horizontally out of them

Cultured cress plant
Plant genetics research. Thale cress plants, Arabidopsis thaliana, growing in a culture medium. The roots (lower frame) have fine root hairs growing horizontally out of them

Thale cress, mouse-ear cress or arabidopsis, Arabidopsis thaliana, Arabis thaliana, Arabette rameuse
5324509 Thale cress, mouse-ear cress or arabidopsis, Arabidopsis thaliana, Arabis thaliana, Arabette rameuse by Maubert, Louis Joseph Edouard (1806-1879); (add.info.: Thale cress)

Plant hormone regulator, molecular model F006 / 9545
Plant hormone regulator. Molecular model of Ia-amidohydrolase from thale cress (Arabidopsis thaliana). This enzyme acts to release the plant hormone indoe-3-acetic acid from its storage form

Thale cress leaf stoma, SEM C016 / 9460
Thale cress leaf stoma. Coloured scanning electron micrograph (SEM) of a stoma (round, centre) on the surface of a leaf from a thale cress (Arabidopsis thaliana) plant

Thale cress leaf stoma, SEM C016 / 9459
Thale cress leaf stoma. Coloured scanning electron micrograph (SEM) of a stoma (round, centre) on the surface of a leaf from a thale cress (Arabidopsis thaliana) plant

Thale cress, illustration C018 / 0729
Thale cress (Arabidopsis thaliana), illustration. This plant is a model organism in plant biology and genetics, as it has a small genome and is easy to grow

Arabidopsis thaliana embryo, micrograph C014 / 4590
Arabidopsis thaliana embryo. Confocal light micrograph of a section through the embryo of a thale cress (Arabidopsis thaliana) plant

Plant odour research. Tray of thale cress (Arabidopsis thaliana) planets. These plants have been genetically engineered to change colour in response to olfactory stimuli (smells)

Thale cress anther and pollen. Confocal laser scanning micrograph of pollen grains (round) on a thale cress (Arabidopsis thaliana) anther

Plant trichome, fluorescent micrograph
Plant trichome. Confocal laser scanning micrograph of a trichome (leaf hair) on a Arabidopsis thaliana plant. Actin filaments in the trichome are green

Helicase transcriptional silencer protein C016 / 2376
Helicase transcriptional silencer protein. Molecular model of the helicase protein MOM1 acting as a transcriptional silencer

Coloured TEM of cress chloroplast growing plastic

Cultured cress seedlings
Plant genetics research. Silhouette of Thale cress plants, Arabidopsis thaliana, growing in a culture medium. The roots (lower frame) have fine root hairs growing horizontally out of them

Thale cress anther and pollen, micrograph
Thale cress anther and pollenr. Fluorescence micrograph of an anther (male reproductive structure) from a thale cress (Arabidopsis thaliana) flower, showing the pollen grains (round) inside

Thale cress stamens, micrograph
Mitosis. Confocal light micrograph of the stages mitosis (nuclear division) and cytokinesis (cell division). During mitosis the nuclear envelope disintegrates (3rd image) and the chromosomes (purple)

Thale cress flower, micrograph
Thale cress flower. Fluorescence micrograph of a flower from a thale cress (Arabidopsis thaliana) plant. The female reproductive structures - carpel (red) and stigma (yellow) - can be seen at centre

Thale cress anther, micrograph
Thale cress anther. Fluorescence micrograph of an anther (male reproductive structure) from a thale cress (Arabidopsis thaliana) flower, showing the pollen grains (red, round) inside

Thale cress leaf hair, micrograph
Thale cress leaf hair. Fluorescence micrograph showing the microfilaments of a leaf hair (trichome) from a thale cress (Arabidopsis thaliana) plant

Thale cress stigma, micrograph
Thale cress stigma. Fluorescence micrograph of a stigma (female reproductive structure) from a thale cress (Arabidopsis thaliana) flower

Stamens and carpels, micrograph
Stamens and carpels. Fluorescence micrograph of stamens (male reproductive structures, far left) and carpels (female reproductive structures)

Thale cress stigma, micrograph
Thale cress stigma. Fluorescence micrograph of a stigma (female reproductive structure) from a thale cress (Arabidopsis thaliana) flower

Thale cress root with root hairs
Thale cress root. Light micrograph (LM) of the root of a Thale cress plant, Arabidopsis thaliana. The root has many fine root hairs on it

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Arabidopsis thaliana, commonly known as Thale cress or mouse-ear cress, is a small flowering plant that has captivated scientists and researchers worldwide. Its intricate root system serves as the foundation for its growth and survival. In laboratories around the globe, this cultured cress plant has become an invaluable tool in studying various aspects of plant biology. From understanding the role of plant hormones to unraveling the mysteries of embryonic development, it offers endless possibilities. The delicate beauty of its flowers can be seen under a microscope through stunning micrographs. These images reveal the intricate details of Thale cress flower petals, captivating scientists with their mesmerizing patterns. Also referred to by different names like Arabis thaliana and Arabette rameuse, this remarkable plant species continues to amaze researchers with its versatility. Molecular models showcasing plant hormone regulators provide insights into how these tiny molecules orchestrate complex biological processes within Arabidopsis thaliana. Examining Thale cress leaf stomata through scanning electron microscopy reveals fascinating structures responsible for gas exchange in plants. These SEM images offer glimpses into nature's intricacy at a microscopic level. Illustrations depicting Thale cress showcase its unique characteristics and serve as visual aids in scientific studies. Through detailed drawings, researchers gain a deeper understanding of this extraordinary organism's anatomy and morphology. Micrographs capturing Arabidopsis thaliana embryos unveil the early stages of life within this resilient species. The study of these embryos provides crucial insights into developmental biology and genetic mechanisms governing growth and reproduction. Beyond scientific research, it also plays a vital role in exploring plant odour research. By investigating scent production in this humble herbaceous model organism, scientists hope to unlock secrets about communication between plants and their environment. Thale cress anthers brimming with pollen grains illustrate yet another fascinating aspect of this versatile species' reproductive system.