The eyespot apparatus (or stigma) is a photoreceptive organelle found in the flagellate or (motile) cells of green algae and other unicellular photosynthetic organisms such as euglenids.

eyespot, a heavily pigmented region in certain one-celled organisms that apparently functions in light reception. The term is also applied to certain light-sensitive cells in the epidermis (skin) of …

Several groups of phytoflagellates developed a photoreceptive organelle called the eyespot apparatus (EA) consisting of two separable components: the eyespot, a cluster of …

Apr 9, 2024 · An eyespot is a specialized, light-sensitive organelle found in certain unicellular organisms, enabling them to detect light direction and intensity, thereby facilitating phototactic …

Dec 21, 2017 · The Chlamydomonas reinhardtii eyespot is the most well-studied photoreceptive structure guiding cellular movement. The eyespot is readily apparent by light microscopy as an …

The ocelloid is an extraordinary eyespot organelle found only in the dinoflagellate family Warnowiaceae. It contains retina- and lens-like structures called the retinal body and the …

Jul 1, 2015 · A diversity of eukaryotic microorganisms perceive light using different kinds of eyespots. One such structure is the eyespot of the green alga Chlamydomonas reinhardtii …

We developed a procedure to purify the eyespot apparatus from the green model alga Chlamydomonas reinhardtii. Its proteomic analysis resulted in the identification of 202 different …

Jan 1, 2023 · This chapter reviews what is known about eyespot composition and placement, signal transduction from light reception by the CHRs to ciliary responses, modulation of …

Jun 6, 2024 · An eyespot, often called a stigma (derived from Greek for "spot"), is a heavily-pigmented organelle located near the cell membrane that seems to function in light reception …