Sentences with phrase «algal cells»

They also collected samples of surface ice and used a field microscope to characterize the algae and count the number of algal cells in each sample.

Also, they noted a growing number of specialised bacterial and algal cells in this microenvironment.

This fractured and strangely eroded sample of summertime snow, collected at Loveland Pass in Colorado, contains several spherical algal cells, including two that have been split apart.

A tree's leaf, a blade of grass, a single algal cell: all make fuel from the simple combination of water, sunlight and carbon dioxide through the miracle of photosynthesis.

Perhaps the most threatening member of the predatory panel is a rotifer, a microscopic organism capable of eating 200 algal cells per minute.

Some of the algae, or phytoplankton, manufacture saxitoxin, a poison so devastating it is the underlying cause of paralytic shellfish poisoning, an often - lethal reaction to shellfish that are storing toxic algal cells.

«By studying both the proteins and metabolites, which interact to form metabolic pathways, we put together a picture of what's happening inside the competitor algal cells when they're extremely stressed.»

At the start of the experiment in late September, the conditions were truly oligotrophic: «The nutrient concentrations were hardly above the detection limit, and the plankton community was dominated by tiny algal cells and microzooplankton species.

Microbes such as algal cells colonize the ice and can accumulate over time given enough sunlight, water and nutrients.

But few studies had examined the darkening effect of algal cells, which naturally grow on the ice sheet.

Weibel and Whitesides successfully steered their «microoxen» by shining light on one side of the algal cells (algae move toward light).

A pyrenoid (blue) is seen in a cross-section of an algal cell by false - colored electron microscopy.

In fact, the team's research showed that ROC40 helps control lipid production when the algal cells were starved of nitrogen.

Researchers think the crustacean is responding to either chemical signals or the touch of an algal cell on its antennae.

Scientists unleashed Metridia longa, a copepod of the northern seas, into tanks of algae and found that an algal cell didn't have to bump into a copepod to be detected.

Scientists at the American Museum of Natural History and Gettysburg College found that this symbiosis, the only known example that includes a vertebrate species, puts stress on algal cells, changing the way they make energy, but does not seem to negatively impact salamander cells.

In the new eLife study, the researchers compared RNA from the cells of five different groups: salamander cells with algae, salamander cells without algae, the algal cells living in salamander cells, the algae living in the egg capsules, and algae cultured in the laboratory.

This finding is significant because Nuclearia lacks a cell wall and has phagotrophic nutrition in which the food source (such as a bacterium or algal cell) is engulfed wholly, unlike fungi and microsporidia which utilize absorptive nutrition.