A single-source reference on the biology of algae, the third edition of Algae: Anatomy,
Biochemistry, and Biotechnology examines the most important taxa and structures for …

The second edition of this best-selling handbook is bigger, more comprehensive, and now
completely current. In addition to thorough updates to the discussions featured in the first …

Unicellular organisms use gravity as an environmental guide to reach and stay in regions
optimal for their growth and reproduction. These single cells play a significant role in food …

The ability to sense light can be considered the most fundamental and presumably the most
ancient property of visual systems. This ability is the basis of phototaxis, one of the most …

Though microscopy is most often intended as a technique for providing qualitative
assessment of cellular and subcellular properties, when coupled with other instruments such …

Publisher Summary This chapter describes the structural aspects of different photoreceptive
organelles including their interaction with cytoskeletal elements. It also examines the …

Visual pigments are a class of receptor proteins that absorb light and trigger sensory signals.
Retinal-containing proteins are used in nature as photoreceptors mainly in animals vision …

Euglena is an organism that every student of biology has observed; its morphology has
been a subject of interest since the early microscopic literature for its enigmatic role of “plant …

Among the terrestrial epilithic cyanobacteria isolated from Roman hypogea at extremely low
light intensity, a non-heterocystous strain, belonging to the genus Leptolyngbya, showed a …

We isolated the photoactive protein Erh, isolated from the photoreceptor of the unicellular
photosynthetic flagellate Euglena gracilis. It is a 27 kDa protein with a photocycle …