Sentences with phrase «between organelle»

Pernas» postdoctoral work is beginning to uncover how the interaction between the organelles and the parasite affect the invader's survival.

Not exact matches

As the chlorophyll within this organelle absorbs energy from sunlight, it releases high - energy electrons; vitamin K1 forms a bridge between chlorophyll and several iron - sulfur centers across which these electrons travel, releasing their energy so that the cell can ultimately use it to synthesize glucose..

The research, published and featured in the Spot Light section of the December edition of the Journal of Virology, examines a previously unknown connection between flaviviruses — a classification of viruses that include West Nile virus, Dengue virus and tick - borne encephalitis virus — and organelles (a specialized subunit within a cell) known as peroxisomes that help coordinate the body's immune responses.

«There is no bright line between endosymbionts and organelles,» McCutcheon said.

Given its extreme minuteness and the fact that it must get many essentials from both its host and resident microbes, some suggest that Tremblaya blurs the boundaries between cellular organisms and organelles, specialized structures within cells such as the energy - producing mitochondria.

This study, however, is the first to identify direct physical contact between the two organelles.

«We're just beginning to appreciate that much of cellular function happens at short distances, between nearly touching organelles,» says Dr. Hajnoczky.

They counted each of the contact points between two cellular organelles — the endoplasmic reticulum (ER) and mitochondria — and demonstrated for the first time that the number of these connections, called MAMs, markedly increase during obesity.

«Excessive contact between cellular organelles disrupts metabolism in obesity.»

Other eukaryotic organelles may have also evolved through endosymbiosis; it has been proposed that cilia, flagella, centrioles, and microtubules may have originated from a symbiosis between a Spirochaete bacterium and an early eukaryotic cell, but this is not yet broadly accepted among biologists.

«At least half of the department, six or seven people at the time, were working in one particular area, how you move materials between different organelles,» she says.

METHODS: Electron microscopy and subcellular organelle marker enzyme studies were done in rat small intestine after oral administration of indomethacin (doses varied between 5 and 30 mg / kg).

The test addresses the following areas: - difference between living and nonliving things - semipermeable membrane - the sequence of increasing or decreasing levels of organization of the human body - the cell theory - Hooke and Leeuwenhoek - four common structures found in all cells - prokaryotic vs. eukaryotic cells - functions and structure of microscopes - cell organelles - difference between plant and animal cells - procedure for making a wet - mounted slide